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Standard_D2s_v3

staff0rd
May 26th, 2019
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  1. Process ID: 90
  2. [00:00:01] Current: 155, peak: 155, connected: 128, disconnected: 0, rate: 128/s
  3. [00:00:02] Current: 299, peak: 299, connected: 144, disconnected: 0, rate: 144/s
  4. [00:00:03] Current: 504, peak: 504, connected: 205, disconnected: 0, rate: 205/s
  5. [00:00:03] Current: 717, peak: 717, connected: 213, disconnected: 0, rate: 213/s
  6. [00:00:05] Current: 929, peak: 929, connected: 212, disconnected: 0, rate: 212/s
  7. [00:00:06] Current: 1176, peak: 1176, connected: 247, disconnected: 0, rate: 247/s
  8. [00:00:07] Current: 1500, peak: 1500, connected: 324, disconnected: 0, rate: 324/s
  9. [00:00:08] Current: 1857, peak: 1857, connected: 357, disconnected: 0, rate: 357/s
  10. [00:00:09] Current: 2210, peak: 2210, connected: 353, disconnected: 0, rate: 353/s
  11. [00:00:10] Current: 2570, peak: 2570, connected: 360, disconnected: 0, rate: 360/s
  12. [00:00:11] Current: 2934, peak: 2934, connected: 364, disconnected: 0, rate: 364/s
  13. [00:00:12] Current: 3336, peak: 3336, connected: 402, disconnected: 0, rate: 402/s
  14. [00:00:13] Current: 3863, peak: 3863, connected: 527, disconnected: 0, rate: 527/s
  15. [00:00:14] Current: 4501, peak: 4501, connected: 638, disconnected: 0, rate: 638/s
  16. [00:00:15] Current: 5221, peak: 5221, connected: 720, disconnected: 0, rate: 720/s
  17. [00:00:16] Current: 5933, peak: 5933, connected: 712, disconnected: 0, rate: 712/s
  18. [00:00:17] Current: 6641, peak: 6641, connected: 708, disconnected: 0, rate: 708/s
  19. [00:00:18] Current: 7389, peak: 7389, connected: 748, disconnected: 0, rate: 748/s
  20. [00:00:19] Current: 8214, peak: 8214, connected: 825, disconnected: 0, rate: 825/s
  21. [00:00:20] Current: 9056, peak: 9056, connected: 842, disconnected: 0, rate: 842/s
  22. [00:00:21] Current: 9621, peak: 9621, connected: 565, disconnected: 0, rate: 565/s
  23. [00:00:22] Current: 10459, peak: 10459, connected: 838, disconnected: 0, rate: 838/s
  24. [00:00:23] Current: 11295, peak: 11295, connected: 836, disconnected: 0, rate: 836/s
  25. [00:00:24] Current: 12125, peak: 12125, connected: 830, disconnected: 0, rate: 830/s
  26. [00:00:25] Current: 13027, peak: 13027, connected: 902, disconnected: 0, rate: 902/s
  27. [00:00:26] Current: 13998, peak: 13998, connected: 971, disconnected: 0, rate: 971/s
  28. [00:00:27] Current: 14953, peak: 14953, connected: 955, disconnected: 0, rate: 955/s
  29. [00:00:28] Current: 15894, peak: 15894, connected: 941, disconnected: 0, rate: 941/s
  30. [00:00:29] Current: 16796, peak: 16796, connected: 902, disconnected: 0, rate: 902/s
  31. [00:00:30] Current: 17647, peak: 17647, connected: 851, disconnected: 0, rate: 851/s
  32. [00:00:31] Current: 17914, peak: 17914, connected: 267, disconnected: 0, rate: 267/s
  33. [00:00:32] Current: 18825, peak: 18825, connected: 911, disconnected: 0, rate: 911/s
  34. [00:00:33] Current: 19733, peak: 19733, connected: 908, disconnected: 0, rate: 908/s
  35. [00:00:34] Current: 20633, peak: 20633, connected: 900, disconnected: 0, rate: 900/s
  36. [00:00:35] Current: 21584, peak: 21584, connected: 951, disconnected: 0, rate: 951/s
  37. [00:00:36] Current: 22428, peak: 22428, connected: 844, disconnected: 0, rate: 844/s
  38. [00:00:37] Current: 23320, peak: 23320, connected: 892, disconnected: 0, rate: 892/s
  39. [00:00:38] Current: 24196, peak: 24196, connected: 876, disconnected: 0, rate: 876/s
  40. [00:00:39] Current: 25060, peak: 25060, connected: 864, disconnected: 0, rate: 864/s
  41. [00:00:41] Current: 25577, peak: 25577, connected: 517, disconnected: 0, rate: 517/s
  42. [00:00:42] Current: 26234, peak: 26234, connected: 657, disconnected: 0, rate: 657/s
  43. [00:00:43] Current: 27122, peak: 27122, connected: 888, disconnected: 0, rate: 888/s
  44. [00:00:44] Current: 27935, peak: 27935, connected: 813, disconnected: 0, rate: 813/s
  45. [00:00:45] Current: 28626, peak: 28626, connected: 691, disconnected: 0, rate: 691/s
  46. [00:00:46] Current: 29526, peak: 29526, connected: 900, disconnected: 0, rate: 900/s
  47. [00:00:47] Current: 30345, peak: 30345, connected: 819, disconnected: 0, rate: 819/s
  48. [00:00:48] Current: 31233, peak: 31233, connected: 888, disconnected: 0, rate: 888/s
  49. [00:00:49] Current: 31921, peak: 31921, connected: 688, disconnected: 0, rate: 688/s
  50. [00:00:51] Current: 32645, peak: 32645, connected: 724, disconnected: 0, rate: 724/s
  51. [00:00:52] Current: 33012, peak: 33012, connected: 367, disconnected: 0, rate: 367/s
  52. [00:00:53] Current: 33871, peak: 33871, connected: 859, disconnected: 0, rate: 859/s
  53. [00:00:54] Current: 34643, peak: 34643, connected: 772, disconnected: 0, rate: 772/s
  54. [00:00:55] Current: 35403, peak: 35403, connected: 760, disconnected: 0, rate: 760/s
  55. [00:00:56] Current: 36088, peak: 36088, connected: 685, disconnected: 0, rate: 685/s
  56. [00:00:57] Current: 36848, peak: 36848, connected: 760, disconnected: 0, rate: 760/s
  57. [00:00:58] Current: 37687, peak: 37687, connected: 839, disconnected: 0, rate: 839/s
  58. [00:00:59] Current: 38257, peak: 38257, connected: 570, disconnected: 0, rate: 570/s
  59. [00:01:01] Current: 38749, peak: 38749, connected: 492, disconnected: 0, rate: 492/s
  60. [00:01:02] Current: 39094, peak: 39094, connected: 345, disconnected: 0, rate: 345/s
  61. [00:01:03] Current: 39666, peak: 39666, connected: 572, disconnected: 0, rate: 572/s
  62. [00:01:04] Current: 40182, peak: 40182, connected: 516, disconnected: 0, rate: 516/s
  63. [00:01:05] Current: 40391, peak: 40391, connected: 209, disconnected: 0, rate: 209/s
  64. [00:01:06] Current: 40819, peak: 40819, connected: 428, disconnected: 0, rate: 428/s
  65. [00:01:07] Current: 41620, peak: 41620, connected: 801, disconnected: 0, rate: 801/s
  66. [00:01:08] Current: 42352, peak: 42352, connected: 732, disconnected: 0, rate: 732/s
  67. [00:01:09] Current: 43023, peak: 43023, connected: 671, disconnected: 0, rate: 671/s
  68. [00:01:11] Current: 43680, peak: 43680, connected: 657, disconnected: 0, rate: 657/s
  69. [00:01:12] Current: 43971, peak: 43971, connected: 291, disconnected: 0, rate: 291/s
  70. [00:01:13] Current: 44577, peak: 44577, connected: 606, disconnected: 0, rate: 606/s
  71. [00:01:14] Current: 45112, peak: 45112, connected: 535, disconnected: 0, rate: 535/s
  72. [00:01:15] Current: 45789, peak: 45789, connected: 677, disconnected: 0, rate: 677/s
  73. [00:01:16] Current: 46519, peak: 46519, connected: 730, disconnected: 0, rate: 730/s
  74. [00:01:17] Current: 47079, peak: 47079, connected: 560, disconnected: 0, rate: 560/s
  75. [00:01:18] Current: 47613, peak: 47613, connected: 534, disconnected: 0, rate: 534/s
  76. [00:01:19] Current: 48304, peak: 48304, connected: 691, disconnected: 0, rate: 691/s
  77. [00:01:21] Current: 48627, peak: 48627, connected: 323, disconnected: 0, rate: 323/s
  78. [00:01:22] Current: 49120, peak: 49120, connected: 493, disconnected: 0, rate: 493/s
  79. [00:01:23] Current: 49672, peak: 49672, connected: 552, disconnected: 0, rate: 552/s
  80. [00:01:24] Current: 50132, peak: 50132, connected: 460, disconnected: 0, rate: 460/s
  81. [00:01:25] Current: 50673, peak: 50673, connected: 541, disconnected: 0, rate: 541/s
  82. [00:01:26] Current: 51452, peak: 51452, connected: 779, disconnected: 0, rate: 779/s
  83. [00:01:27] Current: 52117, peak: 52117, connected: 665, disconnected: 0, rate: 665/s
  84. [00:01:28] Current: 52748, peak: 52748, connected: 631, disconnected: 0, rate: 631/s
  85. [00:01:29] Current: 53257, peak: 53257, connected: 509, disconnected: 0, rate: 509/s
  86. [00:01:30] Current: 53361, peak: 53361, connected: 104, disconnected: 0, rate: 104/s
  87. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  88. Heartbeat took longer than "00:00:01" at "05/21/2019 09:36:40 +00:00".
  89. [00:01:31] Current: 53914, peak: 53914, connected: 553, disconnected: 0, rate: 553/s
  90. [00:01:32] Current: 54625, peak: 54625, connected: 711, disconnected: 0, rate: 711/s
  91. [00:01:34] Current: 54899, peak: 54899, connected: 274, disconnected: 0, rate: 274/s
  92. [00:01:35] Current: 55562, peak: 55562, connected: 663, disconnected: 0, rate: 663/s
  93. [00:01:36] Current: 56248, peak: 56248, connected: 686, disconnected: 0, rate: 686/s
  94. [00:01:37] Current: 56686, peak: 56686, connected: 438, disconnected: 0, rate: 438/s
  95. [00:01:39] Current: 57129, peak: 57129, connected: 443, disconnected: 0, rate: 443/s
  96. [00:01:40] Current: 57165, peak: 57165, connected: 36, disconnected: 0, rate: 36/s
  97. [00:01:41] Current: 57253, peak: 57253, connected: 88, disconnected: 0, rate: 88/s
  98. [00:01:42] Current: 57309, peak: 57309, connected: 56, disconnected: 0, rate: 56/s
  99. [00:01:43] Current: 57460, peak: 57460, connected: 151, disconnected: 0, rate: 151/s
  100. [00:01:44] Current: 57487, peak: 57487, connected: 27, disconnected: 0, rate: 27/s
  101. [00:01:45] Current: 57520, peak: 57520, connected: 33, disconnected: 0, rate: 33/s
  102. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  103. Heartbeat took longer than "00:00:01" at "05/21/2019 09:36:55 +00:00".
  104. [00:01:46] Current: 57883, peak: 57883, connected: 363, disconnected: 0, rate: 363/s
  105. [00:01:47] Current: 58005, peak: 58005, connected: 122, disconnected: 0, rate: 122/s
  106. [00:01:48] Current: 58219, peak: 58219, connected: 214, disconnected: 0, rate: 214/s
  107. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  108. Heartbeat took longer than "00:00:01" at "05/21/2019 09:37:00 +00:00".
  109. [00:01:51] Current: 58300, peak: 58300, connected: 81, disconnected: 0, rate: 81/s
  110. [00:01:52] Current: 58316, peak: 58316, connected: 16, disconnected: 0, rate: 16/s
  111. [00:01:53] Current: 58450, peak: 58450, connected: 134, disconnected: 0, rate: 134/s
  112. [00:01:54] Current: 58848, peak: 58848, connected: 398, disconnected: 0, rate: 398/s
  113. [00:01:55] Current: 59371, peak: 59371, connected: 523, disconnected: 0, rate: 523/s
  114. [00:01:56] Current: 59940, peak: 59940, connected: 569, disconnected: 0, rate: 569/s
  115. [00:01:57] Current: 60577, peak: 60577, connected: 637, disconnected: 0, rate: 637/s
  116. [00:01:58] Current: 61103, peak: 61103, connected: 526, disconnected: 0, rate: 526/s
  117. [00:02:00] Current: 61564, peak: 61564, connected: 461, disconnected: 0, rate: 461/s
  118. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  119. Heartbeat took longer than "00:00:01" at "05/21/2019 09:37:10 +00:00".
  120. [00:02:01] Current: 61595, peak: 61595, connected: 31, disconnected: 0, rate: 31/s
  121. [00:02:02] Current: 61987, peak: 61987, connected: 392, disconnected: 0, rate: 392/s
  122. [00:02:03] Current: 62355, peak: 62355, connected: 368, disconnected: 0, rate: 368/s
  123. [00:02:04] Current: 62889, peak: 62889, connected: 534, disconnected: 0, rate: 534/s
  124. [00:02:05] Current: 63570, peak: 63570, connected: 681, disconnected: 0, rate: 681/s
  125. [00:02:06] Current: 64049, peak: 64049, connected: 479, disconnected: 0, rate: 479/s
  126. [00:02:07] Current: 64220, peak: 64220, connected: 171, disconnected: 0, rate: 171/s
  127. [00:02:08] Current: 64766, peak: 64766, connected: 546, disconnected: 0, rate: 546/s
  128. [00:02:10] Current: 64842, peak: 64842, connected: 76, disconnected: 0, rate: 76/s
  129. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  130. Heartbeat took longer than "00:00:01" at "05/21/2019 09:37:19 +00:00".
  131. [00:02:11] Current: 64843, peak: 64843, connected: 1, disconnected: 0, rate: 1/s
  132. [00:02:12] Current: 64985, peak: 64985, connected: 142, disconnected: 0, rate: 142/s
  133. [00:02:13] Current: 65043, peak: 65043, connected: 58, disconnected: 0, rate: 58/s
  134. [00:02:14] Current: 65531, peak: 65531, connected: 488, disconnected: 0, rate: 488/s
  135. [00:02:15] Current: 65745, peak: 65745, connected: 214, disconnected: 0, rate: 214/s
  136. [00:02:16] Current: 66230, peak: 66230, connected: 485, disconnected: 0, rate: 485/s
  137. [00:02:17] Current: 66467, peak: 66467, connected: 237, disconnected: 0, rate: 237/s
  138. [00:02:18] Current: 66641, peak: 66641, connected: 174, disconnected: 0, rate: 174/s
  139. [00:02:20] Current: 66788, peak: 66788, connected: 147, disconnected: 0, rate: 147/s
  140. [00:02:21] Current: 66795, peak: 66795, connected: 7, disconnected: 0, rate: 7/s
  141. [00:02:22] Current: 66805, peak: 66805, connected: 10, disconnected: 0, rate: 10/s
  142. [00:02:23] Current: 66948, peak: 66948, connected: 143, disconnected: 0, rate: 143/s
  143. [00:02:24] Current: 67004, peak: 67004, connected: 56, disconnected: 0, rate: 56/s
  144. [00:02:25] Current: 67313, peak: 67313, connected: 309, disconnected: 0, rate: 309/s
  145. [00:02:26] Current: 67515, peak: 67515, connected: 202, disconnected: 0, rate: 202/s
  146. [00:02:27] Current: 67540, peak: 67540, connected: 25, disconnected: 0, rate: 25/s
  147. [00:02:28] Current: 67552, peak: 67552, connected: 12, disconnected: 0, rate: 12/s
  148. [00:02:31] Current: 67628, peak: 67628, connected: 76, disconnected: 0, rate: 76/s
  149. [00:02:32] Current: 67628, peak: 67628, connected: 0, disconnected: 0, rate: 0/s
  150. [00:02:33] Current: 67740, peak: 67740, connected: 112, disconnected: 0, rate: 112/s
  151. [00:02:34] Current: 67752, peak: 67752, connected: 12, disconnected: 0, rate: 12/s
  152. [00:02:35] Current: 67875, peak: 67875, connected: 123, disconnected: 0, rate: 123/s
  153. [00:02:36] Current: 67940, peak: 67940, connected: 65, disconnected: 0, rate: 65/s
  154. [00:02:38] Current: 67952, peak: 67952, connected: 12, disconnected: 0, rate: 12/s
  155. [00:02:39] Current: 67952, peak: 67952, connected: 0, disconnected: 0, rate: 0/s
  156. [00:02:40] Current: 68028, peak: 68028, connected: 76, disconnected: 0, rate: 76/s
  157. [00:02:41] Current: 68315, peak: 68315, connected: 287, disconnected: 0, rate: 287/s
  158. [00:02:42] Current: 68437, peak: 68437, connected: 122, disconnected: 0, rate: 122/s
  159. [00:02:43] Current: 68514, peak: 68514, connected: 77, disconnected: 0, rate: 77/s
  160. [00:02:44] Current: 68632, peak: 68632, connected: 118, disconnected: 0, rate: 118/s
  161. [00:02:47] Current: 69113, peak: 69113, connected: 481, disconnected: 0, rate: 481/s
  162. [00:02:48] Current: 69152, peak: 69152, connected: 39, disconnected: 0, rate: 39/s
  163. [00:02:49] Current: 69225, peak: 69225, connected: 73, disconnected: 0, rate: 73/s
  164. [00:02:50] Current: 69325, peak: 69325, connected: 100, disconnected: 0, rate: 100/s
  165. [00:02:51] Current: 69494, peak: 69494, connected: 169, disconnected: 0, rate: 169/s
  166. [00:02:52] Current: 69702, peak: 69702, connected: 208, disconnected: 0, rate: 208/s
  167. [00:02:53] Current: 70260, peak: 70260, connected: 558, disconnected: 0, rate: 558/s
  168. [00:02:54] Current: 70593, peak: 70593, connected: 333, disconnected: 0, rate: 333/s
  169. [00:02:56] Current: 70642, peak: 70642, connected: 49, disconnected: 0, rate: 49/s
  170. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  171. Heartbeat took longer than "00:00:01" at "05/21/2019 09:38:06 +00:00".
  172. [00:02:57] Current: 70657, peak: 70657, connected: 15, disconnected: 0, rate: 15/s
  173. [00:02:58] Current: 70691, peak: 70691, connected: 34, disconnected: 0, rate: 34/s
  174. [00:02:59] Current: 70803, peak: 70803, connected: 112, disconnected: 0, rate: 112/s
  175. [00:03:00] Current: 70842, peak: 70842, connected: 39, disconnected: 0, rate: 39/s
  176. [00:03:01] Current: 71022, peak: 71022, connected: 180, disconnected: 0, rate: 180/s
  177. [00:03:03] Current: 71206, peak: 71206, connected: 184, disconnected: 0, rate: 184/s
  178. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  179. Heartbeat took longer than "00:00:01" at "05/21/2019 09:38:13 +00:00".
  180. [00:03:05] Current: 71312, peak: 71312, connected: 106, disconnected: 0, rate: 106/s
  181. [00:03:06] Current: 71360, peak: 71360, connected: 48, disconnected: 0, rate: 48/s
  182. [00:03:07] Current: 71408, peak: 71408, connected: 48, disconnected: 0, rate: 48/s
  183. [00:03:09] Current: 71519, peak: 71519, connected: 111, disconnected: 0, rate: 111/s
  184. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  185. Heartbeat took longer than "00:00:01" at "05/21/2019 09:38:19 +00:00".
  186. [00:03:10] Current: 71520, peak: 71520, connected: 1, disconnected: 0, rate: 1/s
  187. [00:03:11] Current: 71712, peak: 71712, connected: 192, disconnected: 0, rate: 192/s
  188. [00:03:13] Current: 71752, peak: 71752, connected: 40, disconnected: 0, rate: 40/s
  189. [00:03:14] Current: 71891, peak: 71891, connected: 139, disconnected: 0, rate: 139/s
  190. [00:03:15] Current: 71901, peak: 71901, connected: 10, disconnected: 0, rate: 10/s
  191. [00:03:16] Current: 71901, peak: 71901, connected: 0, disconnected: 0, rate: 0/s
  192. [00:03:17] Current: 71952, peak: 71952, connected: 51, disconnected: 0, rate: 51/s
  193. [00:03:18] Current: 72411, peak: 72411, connected: 459, disconnected: 0, rate: 459/s
  194. [00:03:19] Current: 72714, peak: 72714, connected: 303, disconnected: 0, rate: 303/s
  195. [00:03:21] Current: 72739, peak: 72739, connected: 25, disconnected: 0, rate: 25/s
  196. [00:03:22] Current: 72803, peak: 72803, connected: 64, disconnected: 0, rate: 64/s
  197. [00:03:23] Current: 72893, peak: 72893, connected: 90, disconnected: 0, rate: 90/s
  198. [00:03:24] Current: 73220, peak: 73220, connected: 327, disconnected: 0, rate: 327/s
  199. [00:03:25] Current: 73422, peak: 73422, connected: 202, disconnected: 0, rate: 202/s
  200. [00:03:26] Current: 73622, peak: 73622, connected: 200, disconnected: 0, rate: 200/s
  201. [00:03:27] Current: 73738, peak: 73738, connected: 116, disconnected: 0, rate: 116/s
  202. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  203. Heartbeat took longer than "00:00:01" at "05/21/2019 09:38:39 +00:00".
  204. [00:03:29] Current: 73746, peak: 73746, connected: 8, disconnected: 0, rate: 8/s
  205. [00:03:30] Current: 73746, peak: 73746, connected: 0, disconnected: 0, rate: 0/s
  206. [00:03:32] Current: 73880, peak: 73880, connected: 134, disconnected: 0, rate: 134/s
  207. [00:03:33] Current: 73935, peak: 73935, connected: 55, disconnected: 0, rate: 55/s
  208. [00:03:34] Current: 73944, peak: 73944, connected: 9, disconnected: 0, rate: 9/s
  209. [00:03:35] Current: 73944, peak: 73944, connected: 0, disconnected: 0, rate: 0/s
  210. [00:03:36] Current: 74087, peak: 74087, connected: 143, disconnected: 0, rate: 143/s
  211. [00:03:38] Current: 74126, peak: 74126, connected: 39, disconnected: 0, rate: 39/s
  212. [00:03:39] Current: 74134, peak: 74134, connected: 8, disconnected: 0, rate: 8/s
  213. [00:03:40] Current: 74235, peak: 74235, connected: 101, disconnected: 0, rate: 101/s
  214. [00:03:42] Current: 74323, peak: 74323, connected: 88, disconnected: 0, rate: 88/s
  215. [00:03:43] Current: 74331, peak: 74331, connected: 8, disconnected: 0, rate: 8/s
  216. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  217. Heartbeat took longer than "00:00:01" at "05/21/2019 09:38:53 +00:00".
  218. [00:03:44] Current: 74331, peak: 74331, connected: 0, disconnected: 0, rate: 0/s
  219. [00:03:46] Current: 74477, peak: 74477, connected: 146, disconnected: 0, rate: 146/s
  220. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  221. Heartbeat took longer than "00:00:01" at "05/21/2019 09:39:00 +00:00".
  222. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  223. Heartbeat took longer than "00:00:01" at "05/21/2019 09:39:00 +00:00".
  224. [00:03:51] Current: 74523, peak: 74523, connected: 46, disconnected: 0, rate: 46/s
  225. [00:03:52] Current: 74531, peak: 74531, connected: 8, disconnected: 0, rate: 8/s
  226. [00:03:53] Current: 74531, peak: 74531, connected: 0, disconnected: 0, rate: 0/s
  227. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  228. Heartbeat took longer than "00:00:01" at "05/21/2019 09:39:03 +00:00".
  229. [00:03:56] Current: 74531, peak: 74531, connected: 0, disconnected: 0, rate: 0/s
  230. [00:03:58] Current: 74588, peak: 74588, connected: 57, disconnected: 0, rate: 57/s
  231. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  232. Heartbeat took longer than "00:00:01" at "05/21/2019 09:39:08 +00:00".
  233. [00:03:59] Current: 74588, peak: 74588, connected: 0, disconnected: 0, rate: 0/s
  234. [00:04:00] Current: 74601, peak: 74601, connected: 13, disconnected: 0, rate: 13/s
  235. [00:04:03] Current: 74673, peak: 74673, connected: 72, disconnected: 0, rate: 72/s
  236. [00:04:04] Current: 74677, peak: 74677, connected: 4, disconnected: 0, rate: 4/s
  237. [00:04:06] Current: 74731, peak: 74731, connected: 54, disconnected: 0, rate: 54/s
  238. [00:04:07] Current: 74731, peak: 74731, connected: 0, disconnected: 0, rate: 0/s
  239. [00:04:08] Current: 74731, peak: 74731, connected: 0, disconnected: 0, rate: 0/s
  240. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  241. Heartbeat took longer than "00:00:01" at "05/21/2019 09:39:18 +00:00".
  242. [00:04:09] Current: 74788, peak: 74788, connected: 57, disconnected: 0, rate: 57/s
  243. [00:04:12] Current: 74788, peak: 74788, connected: 0, disconnected: 0, rate: 0/s
  244. [00:04:13] Current: 74788, peak: 74788, connected: 0, disconnected: 0, rate: 0/s
  245. [00:04:14] Current: 74873, peak: 74873, connected: 85, disconnected: 0, rate: 85/s
  246. [00:04:15] Current: 74873, peak: 74873, connected: 0, disconnected: 0, rate: 0/s
  247. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  248. Heartbeat took longer than "00:00:01" at "05/21/2019 09:39:26 +00:00".
  249. [00:04:17] Current: 74873, peak: 74873, connected: 0, disconnected: 0, rate: 0/s
  250. [00:04:18] Current: 74931, peak: 74931, connected: 58, disconnected: 0, rate: 58/s
  251. [00:04:19] Current: 74931, peak: 74931, connected: 0, disconnected: 0, rate: 0/s
  252. [00:04:20] Current: 74988, peak: 74988, connected: 57, disconnected: 0, rate: 57/s
  253. [00:04:21] Current: 74988, peak: 74988, connected: 0, disconnected: 0, rate: 0/s
  254. [00:04:23] Current: 74996, peak: 74996, connected: 8, disconnected: 0, rate: 8/s
  255. [00:04:24] Current: 74998, peak: 74998, connected: 2, disconnected: 0, rate: 2/s
  256. [00:04:25] Current: 75073, peak: 75073, connected: 75, disconnected: 0, rate: 75/s
  257. [00:04:26] Current: 75174, peak: 75174, connected: 101, disconnected: 0, rate: 101/s
  258. [00:04:28] Current: 75196, peak: 75196, connected: 22, disconnected: 0, rate: 22/s
  259. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  260. Heartbeat took longer than "00:00:01" at "05/21/2019 09:39:38 +00:00".
  261. [00:04:29] Current: 75198, peak: 75198, connected: 2, disconnected: 0, rate: 2/s
  262. [00:04:30] Current: 75273, peak: 75273, connected: 75, disconnected: 0, rate: 75/s
  263. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  264. Heartbeat took longer than "00:00:01" at "05/21/2019 09:39:41 +00:00".
  265. [00:04:32] Current: 75273, peak: 75273, connected: 0, disconnected: 0, rate: 0/s
  266. [00:04:33] Current: 75360, peak: 75360, connected: 87, disconnected: 0, rate: 87/s
  267. [00:04:34] Current: 75396, peak: 75396, connected: 36, disconnected: 0, rate: 36/s
  268. [00:04:35] Current: 75396, peak: 75396, connected: 0, disconnected: 0, rate: 0/s
  269. [00:04:36] Current: 75396, peak: 75396, connected: 0, disconnected: 0, rate: 0/s
  270. [00:04:37] Current: 75596, peak: 75596, connected: 200, disconnected: 0, rate: 200/s
  271. [00:04:38] Current: 76069, peak: 76069, connected: 473, disconnected: 0, rate: 473/s
  272. [00:04:39] Current: 76501, peak: 76501, connected: 432, disconnected: 0, rate: 432/s
  273. [00:04:41] Current: 76591, peak: 76591, connected: 90, disconnected: 0, rate: 90/s
  274. [00:04:42] Current: 76627, peak: 76627, connected: 36, disconnected: 0, rate: 36/s
  275. [00:04:43] Current: 76731, peak: 76731, connected: 104, disconnected: 0, rate: 104/s
  276. [00:04:44] Current: 77198, peak: 77198, connected: 467, disconnected: 0, rate: 467/s
  277. [00:04:46] Current: 77272, peak: 77272, connected: 74, disconnected: 0, rate: 74/s
  278. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  279. Heartbeat took longer than "00:00:01" at "05/21/2019 09:39:55 +00:00".
  280. [00:04:47] Current: 77377, peak: 77377, connected: 105, disconnected: 0, rate: 105/s
  281. [00:04:48] Current: 77520, peak: 77520, connected: 143, disconnected: 0, rate: 143/s
  282. [00:04:49] Current: 77634, peak: 77634, connected: 114, disconnected: 0, rate: 114/s
  283. [00:04:50] Current: 77669, peak: 77669, connected: 35, disconnected: 0, rate: 35/s
  284. [00:04:51] Current: 77945, peak: 77945, connected: 276, disconnected: 0, rate: 276/s
  285. [00:04:52] Current: 78529, peak: 78529, connected: 584, disconnected: 0, rate: 584/s
  286. [00:04:54] Current: 78697, peak: 78697, connected: 168, disconnected: 0, rate: 168/s
  287. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  288. Heartbeat took longer than "00:00:01" at "05/21/2019 09:40:03 +00:00".
  289. [00:04:55] Current: 78797, peak: 78797, connected: 100, disconnected: 0, rate: 100/s
  290. [00:04:57] Current: 78853, peak: 78853, connected: 56, disconnected: 0, rate: 56/s
  291. [00:04:58] Current: 78884, peak: 78884, connected: 31, disconnected: 0, rate: 31/s
  292. [00:04:59] Current: 78884, peak: 78884, connected: 0, disconnected: 0, rate: 0/s
  293. [00:05:00] Current: 79053, peak: 79053, connected: 169, disconnected: 0, rate: 169/s
  294. [00:05:01] Current: 79234, peak: 79234, connected: 181, disconnected: 0, rate: 181/s
  295. [00:05:03] Current: 79446, peak: 79446, connected: 212, disconnected: 0, rate: 212/s
  296. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  297. Heartbeat took longer than "00:00:01" at "05/21/2019 09:40:12 +00:00".
  298. [00:05:04] Current: 79508, peak: 79508, connected: 62, disconnected: 0, rate: 62/s
  299. [00:05:05] Current: 79568, peak: 79568, connected: 60, disconnected: 0, rate: 60/s
  300. [00:05:06] Current: 79637, peak: 79637, connected: 69, disconnected: 0, rate: 69/s
  301. [00:05:07] Current: 79785, peak: 79785, connected: 148, disconnected: 0, rate: 148/s
  302. [00:05:08] Current: 79865, peak: 79865, connected: 80, disconnected: 0, rate: 80/s
  303. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  304. Heartbeat took longer than "00:00:01" at "05/21/2019 09:40:18 +00:00".
  305. [00:05:09] Current: 80006, peak: 80006, connected: 141, disconnected: 0, rate: 141/s
  306. [00:05:10] Current: 80102, peak: 80102, connected: 96, disconnected: 0, rate: 96/s
  307. [00:05:11] Current: 80427, peak: 80427, connected: 325, disconnected: 0, rate: 325/s
  308. [00:05:12] Current: 80831, peak: 80831, connected: 404, disconnected: 0, rate: 404/s
  309. [00:05:14] Current: 80928, peak: 80928, connected: 97, disconnected: 0, rate: 97/s
  310. [00:05:15] Current: 80964, peak: 80964, connected: 36, disconnected: 0, rate: 36/s
  311. [00:05:16] Current: 81110, peak: 81110, connected: 146, disconnected: 0, rate: 146/s
  312. [00:05:17] Current: 81156, peak: 81156, connected: 46, disconnected: 0, rate: 46/s
  313. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  314. Heartbeat took longer than "00:00:01" at "05/21/2019 09:40:29 +00:00".
  315. [00:05:20] Current: 81408, peak: 81408, connected: 252, disconnected: 0, rate: 252/s
  316. [00:05:21] Current: 81428, peak: 81428, connected: 20, disconnected: 0, rate: 20/s
  317. [00:05:22] Current: 81497, peak: 81497, connected: 69, disconnected: 0, rate: 69/s
  318. [00:05:24] Current: 81539, peak: 81539, connected: 42, disconnected: 0, rate: 42/s
  319. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  320. Heartbeat took longer than "00:00:01" at "05/21/2019 09:40:33 +00:00".
  321. [00:05:25] Current: 81539, peak: 81539, connected: 0, disconnected: 0, rate: 0/s
  322. [00:05:26] Current: 81539, peak: 81539, connected: 0, disconnected: 0, rate: 0/s
  323. [00:05:27] Current: 81576, peak: 81576, connected: 37, disconnected: 0, rate: 37/s
  324. [00:05:28] Current: 81608, peak: 81608, connected: 32, disconnected: 0, rate: 32/s
  325. [00:05:29] Current: 81707, peak: 81707, connected: 99, disconnected: 0, rate: 99/s
  326. [00:05:30] Current: 81707, peak: 81707, connected: 0, disconnected: 0, rate: 0/s
  327. [00:05:31] Current: 81744, peak: 81744, connected: 37, disconnected: 0, rate: 37/s
  328. [00:05:33] Current: 81744, peak: 81744, connected: 0, disconnected: 0, rate: 0/s
  329. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  330. Heartbeat took longer than "00:00:01" at "05/21/2019 09:40:42 +00:00".
  331. [00:05:34] Current: 81804, peak: 81804, connected: 60, disconnected: 0, rate: 60/s
  332. [00:05:35] Current: 81910, peak: 81910, connected: 106, disconnected: 0, rate: 106/s
  333. [00:05:36] Current: 81935, peak: 81935, connected: 25, disconnected: 0, rate: 25/s
  334. [00:05:37] Current: 81935, peak: 81935, connected: 0, disconnected: 0, rate: 0/s
  335. [00:05:38] Current: 81935, peak: 81935, connected: 0, disconnected: 0, rate: 0/s
  336. [00:05:39] Current: 81935, peak: 81935, connected: 0, disconnected: 0, rate: 0/s
  337. [00:05:42] Current: 81944, peak: 81944, connected: 9, disconnected: 0, rate: 9/s
  338. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  339. Heartbeat took longer than "00:00:01" at "05/21/2019 09:40:52 +00:00".
  340. [00:05:43] Current: 82004, peak: 82004, connected: 60, disconnected: 0, rate: 60/s
  341. [00:05:44] Current: 82004, peak: 82004, connected: 0, disconnected: 0, rate: 0/s
  342. [00:05:46] Current: 82135, peak: 82135, connected: 131, disconnected: 0, rate: 131/s
  343. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  344. Heartbeat took longer than "00:00:01" at "05/21/2019 09:40:55 +00:00".
  345. [00:05:47] Current: 82135, peak: 82135, connected: 0, disconnected: 0, rate: 0/s
  346. [00:05:48] Current: 82144, peak: 82144, connected: 9, disconnected: 0, rate: 9/s
  347. [00:05:49] Current: 82144, peak: 82144, connected: 0, disconnected: 0, rate: 0/s
  348. [00:05:50] Current: 82144, peak: 82144, connected: 0, disconnected: 0, rate: 0/s
  349. [00:05:52] Current: 82204, peak: 82204, connected: 60, disconnected: 0, rate: 60/s
  350. [00:05:53] Current: 82204, peak: 82204, connected: 0, disconnected: 0, rate: 0/s
  351. [00:05:54] Current: 82333, peak: 82333, connected: 129, disconnected: 0, rate: 129/s
  352. [00:05:55] Current: 82335, peak: 82335, connected: 2, disconnected: 0, rate: 2/s
  353. [00:05:56] Current: 82622, peak: 82622, connected: 287, disconnected: 0, rate: 287/s
  354. [00:05:57] Current: 82786, peak: 82786, connected: 164, disconnected: 0, rate: 164/s
  355. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  356. Heartbeat took longer than "00:00:01" at "05/21/2019 09:41:07 +00:00".
  357. [00:05:58] Current: 82839, peak: 82839, connected: 53, disconnected: 0, rate: 53/s
  358. [00:05:59] Current: 82856, peak: 82856, connected: 17, disconnected: 0, rate: 17/s
  359. [00:06:00] Current: 82859, peak: 82859, connected: 3, disconnected: 0, rate: 3/s
  360. [00:06:01] Current: 82906, peak: 82906, connected: 47, disconnected: 0, rate: 47/s
  361. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  362. Heartbeat took longer than "00:00:01" at "05/21/2019 09:41:11 +00:00".
  363. [00:06:02] Current: 82916, peak: 82916, connected: 10, disconnected: 0, rate: 10/s
  364. [00:06:03] Current: 82986, peak: 82986, connected: 70, disconnected: 0, rate: 70/s
  365. [00:06:05] Current: 83018, peak: 83018, connected: 32, disconnected: 0, rate: 32/s
  366. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  367. Heartbeat took longer than "00:00:01" at "05/21/2019 09:41:15 +00:00".
  368. [00:06:06] Current: 83018, peak: 83018, connected: 0, disconnected: 0, rate: 0/s
  369. [00:06:07] Current: 83082, peak: 83082, connected: 64, disconnected: 0, rate: 64/s
  370. [00:06:08] Current: 83082, peak: 83082, connected: 0, disconnected: 0, rate: 0/s
  371. [00:06:10] Current: 83116, peak: 83116, connected: 34, disconnected: 0, rate: 34/s
  372. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  373. Heartbeat took longer than "00:00:01" at "05/21/2019 09:41:20 +00:00".
  374. [00:06:11] Current: 83116, peak: 83116, connected: 0, disconnected: 0, rate: 0/s
  375. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  376. Heartbeat took longer than "00:00:01" at "05/21/2019 09:41:22 +00:00".
  377. [00:06:12] Current: 83186, peak: 83186, connected: 70, disconnected: 0, rate: 70/s
  378. [00:06:13] Current: 83316, peak: 83316, connected: 130, disconnected: 0, rate: 130/s
  379. [00:06:14] Current: 83339, peak: 83339, connected: 23, disconnected: 0, rate: 23/s
  380. [00:06:16] Current: 83339, peak: 83339, connected: 0, disconnected: 0, rate: 0/s
  381. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  382. Heartbeat took longer than "00:00:01" at "05/21/2019 09:41:25 +00:00".
  383. [00:06:17] Current: 83386, peak: 83386, connected: 47, disconnected: 0, rate: 47/s
  384. [00:06:18] Current: 83393, peak: 83393, connected: 7, disconnected: 0, rate: 7/s
  385. [00:06:19] Current: 83498, peak: 83498, connected: 105, disconnected: 0, rate: 105/s
  386. [00:06:20] Current: 83613, peak: 83613, connected: 115, disconnected: 0, rate: 115/s
  387. [00:06:21] Current: 84140, peak: 84140, connected: 527, disconnected: 0, rate: 527/s
  388. [00:06:22] Current: 84270, peak: 84270, connected: 130, disconnected: 0, rate: 130/s
  389. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  390. Heartbeat took longer than "00:00:01" at "05/21/2019 09:41:32 +00:00".
  391. [00:06:23] Current: 84287, peak: 84287, connected: 17, disconnected: 0, rate: 17/s
  392. [00:06:24] Current: 84289, peak: 84289, connected: 2, disconnected: 0, rate: 2/s
  393. [00:06:25] Current: 84355, peak: 84355, connected: 66, disconnected: 0, rate: 66/s
  394. [00:06:27] Current: 84391, peak: 84391, connected: 36, disconnected: 0, rate: 36/s
  395. [00:06:29] Current: 84391, peak: 84391, connected: 0, disconnected: 0, rate: 0/s
  396. [00:06:30] Current: 84413, peak: 84413, connected: 22, disconnected: 0, rate: 22/s
  397. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  398. Heartbeat took longer than "00:00:01" at "05/21/2019 09:41:40 +00:00".
  399. [00:06:32] Current: 84439, peak: 84439, connected: 26, disconnected: 0, rate: 26/s
  400. [00:06:33] Current: 84463, peak: 84463, connected: 24, disconnected: 0, rate: 24/s
  401. [00:06:35] Current: 84484, peak: 84484, connected: 21, disconnected: 0, rate: 21/s
  402. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  403. Heartbeat took longer than "00:00:01" at "05/21/2019 09:41:45 +00:00".
  404. [00:06:36] Current: 84589, peak: 84589, connected: 105, disconnected: 0, rate: 105/s
  405. [00:06:37] Current: 84839, peak: 84839, connected: 250, disconnected: 0, rate: 250/s
  406. [00:06:38] Current: 84902, peak: 84902, connected: 63, disconnected: 0, rate: 63/s
  407. [00:06:39] Current: 84945, peak: 84945, connected: 43, disconnected: 0, rate: 43/s
  408. [00:06:40] Current: 84945, peak: 84945, connected: 0, disconnected: 0, rate: 0/s
  409. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  410. Heartbeat took longer than "00:00:01" at "05/21/2019 09:41:51 +00:00".
  411. [00:06:42] Current: 84971, peak: 84971, connected: 26, disconnected: 0, rate: 26/s
  412. [00:06:44] Current: 85005, peak: 85005, connected: 34, disconnected: 0, rate: 34/s
  413. [00:06:45] Current: 85025, peak: 85025, connected: 20, disconnected: 0, rate: 20/s
  414. [00:06:47] Current: 85038, peak: 85038, connected: 13, disconnected: 0, rate: 13/s
  415. [00:06:48] Current: 85038, peak: 85038, connected: 0, disconnected: 0, rate: 0/s
  416. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  417. Heartbeat took longer than "00:00:01" at "05/21/2019 09:41:57 +00:00".
  418. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  419. Heartbeat took longer than "00:00:01" at "05/21/2019 09:41:57 +00:00".
  420. [00:06:49] Current: 85038, peak: 85038, connected: 0, disconnected: 0, rate: 0/s
  421. [00:06:50] Current: 85039, peak: 85039, connected: 1, disconnected: 0, rate: 1/s
  422. [00:06:52] Current: 85102, peak: 85102, connected: 63, disconnected: 0, rate: 63/s
  423. [00:06:53] Current: 85102, peak: 85102, connected: 0, disconnected: 0, rate: 0/s
  424. [00:06:55] Current: 85145, peak: 85145, connected: 43, disconnected: 0, rate: 43/s
  425. [00:06:59] Current: 85145, peak: 85145, connected: 0, disconnected: 0, rate: 0/s
  426. [00:07:00] Current: 85145, peak: 85145, connected: 0, disconnected: 0, rate: 0/s
  427. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  428. Heartbeat took longer than "00:00:01" at "05/21/2019 09:42:09 +00:00".
  429. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  430. Heartbeat took longer than "00:00:01" at "05/21/2019 09:42:13 +00:00".
  431. [00:07:04] Current: 85205, peak: 85205, connected: 60, disconnected: 0, rate: 60/s
  432. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  433. Heartbeat took longer than "00:00:01" at "05/21/2019 09:42:14 +00:00".
  434. [00:07:05] Current: 85205, peak: 85205, connected: 0, disconnected: 0, rate: 0/s
  435. [00:07:07] Current: 85205, peak: 85205, connected: 0, disconnected: 0, rate: 0/s
  436. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  437. Heartbeat took longer than "00:00:01" at "05/21/2019 09:42:17 +00:00".
  438. [00:07:08] Current: 85205, peak: 85205, connected: 0, disconnected: 0, rate: 0/s
  439. [00:07:09] Current: 85205, peak: 85205, connected: 0, disconnected: 0, rate: 0/s
  440. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  441. Heartbeat took longer than "00:00:01" at "05/21/2019 09:42:26 +00:00".
  442. [00:07:19] Current: 85205, peak: 85205, connected: 0, disconnected: 0, rate: 0/s
  443. [00:07:20] Current: 85205, peak: 85205, connected: 0, disconnected: 0, rate: 0/s
  444. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  445. Heartbeat took longer than "00:00:01" at "05/21/2019 09:42:30 +00:00".
  446. [00:07:21] Current: 85205, peak: 85205, connected: 0, disconnected: 0, rate: 0/s
  447. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  448. Heartbeat took longer than "00:00:01" at "05/21/2019 09:42:32 +00:00".
  449. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  450. Heartbeat took longer than "00:00:01" at "05/21/2019 09:42:32 +00:00".
  451. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  452. Failed writing message. Aborting connection.
  453. System.InvalidOperationException: Writing is not allowed after writer was completed.
  454. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  455. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  456. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  457. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  458. [00:07:27] Current: 85204, peak: 85205, connected: 0, disconnected: 1, rate: -1/s
  459. [00:07:28] Current: 85203, peak: 85205, connected: 0, disconnected: 1, rate: -1/s
  460. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  461. Heartbeat took longer than "00:00:01" at "05/21/2019 09:42:38 +00:00".
  462. [00:07:29] Current: 85197, peak: 85205, connected: 0, disconnected: 6, rate: -6/s
  463. [00:07:31] Current: 85194, peak: 85205, connected: 0, disconnected: 3, rate: -3/s
  464. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  465. Heartbeat took longer than "00:00:01" at "05/21/2019 09:42:41 +00:00".
  466. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  467. Heartbeat took longer than "00:00:01" at "05/21/2019 09:42:41 +00:00".
  468. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  469. Failed writing message. Aborting connection.
  470. System.InvalidOperationException: Writing is not allowed after writer was completed.
  471. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  472. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  473. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  474. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  475. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  476. Failed writing message. Aborting connection.
  477. System.InvalidOperationException: Writing is not allowed after writer was completed.
  478. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  479. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  480. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  481. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  482. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  483. Failed writing message. Aborting connection.
  484. System.InvalidOperationException: Writing is not allowed after writer was completed.
  485. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  486. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  487. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  488. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  489. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  490. Failed writing message. Aborting connection.
  491. System.InvalidOperationException: Writing is not allowed after writer was completed.
  492. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  493. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  494. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  495. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  496. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  497. Heartbeat took longer than "00:00:01" at "05/21/2019 09:42:44 +00:00".
  498. [00:07:36] Current: 85127, peak: 85205, connected: 0, disconnected: 67, rate: -67/s
  499. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  500. Failed writing message. Aborting connection.
  501. System.InvalidOperationException: Writing is not allowed after writer was completed.
  502. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  503. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  504. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  505. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  506. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  507. Failed writing message. Aborting connection.
  508. System.InvalidOperationException: Writing is not allowed after writer was completed.
  509. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  510. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  511. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  512. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  513. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  514. Failed writing message. Aborting connection.
  515. System.InvalidOperationException: Writing is not allowed after writer was completed.
  516. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  517. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  518. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  519. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  520. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  521. Failed writing message. Aborting connection.
  522. System.InvalidOperationException: Writing is not allowed after writer was completed.
  523. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  524. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  525. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  526. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  527. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  528. Failed writing message. Aborting connection.
  529. System.InvalidOperationException: Writing is not allowed after writer was completed.
  530. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  531. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  532. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  533. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  534. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  535. Failed writing message. Aborting connection.
  536. System.InvalidOperationException: Writing is not allowed after writer was completed.
  537. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  538. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  539. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  540. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  541. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  542. Heartbeat took longer than "00:00:01" at "05/21/2019 09:42:46 +00:00".
  543. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  544. Heartbeat took longer than "00:00:01" at "05/21/2019 09:42:46 +00:00".
  545. [00:07:37] Current: 85127, peak: 85205, connected: 0, disconnected: 0, rate: 0/s
  546. [00:07:38] Current: 85127, peak: 85205, connected: 0, disconnected: 0, rate: 0/s
  547. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  548. Heartbeat took longer than "00:00:01" at "05/21/2019 09:42:48 +00:00".
  549. [00:07:39] Current: 85127, peak: 85205, connected: 0, disconnected: 0, rate: 0/s
  550. [00:07:40] Current: 85125, peak: 85205, connected: 0, disconnected: 2, rate: -2/s
  551. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  552. Heartbeat took longer than "00:00:01" at "05/21/2019 09:42:50 +00:00".
  553. [00:07:41] Current: 85109, peak: 85205, connected: 0, disconnected: 16, rate: -16/s
  554. [00:07:42] Current: 85108, peak: 85205, connected: 0, disconnected: 1, rate: -1/s
  555. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  556. Heartbeat took longer than "00:00:01" at "05/21/2019 09:42:53 +00:00".
  557. [00:07:44] Current: 85147, peak: 85205, connected: 39, disconnected: 0, rate: 39/s
  558. [00:07:46] Current: 85168, peak: 85205, connected: 21, disconnected: 0, rate: 21/s
  559. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  560. Heartbeat took longer than "00:00:01" at "05/21/2019 09:42:56 +00:00".
  561. [00:07:47] Current: 85168, peak: 85205, connected: 0, disconnected: 0, rate: 0/s
  562. [00:07:48] Current: 85168, peak: 85205, connected: 0, disconnected: 0, rate: 0/s
  563. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  564. Heartbeat took longer than "00:00:01" at "05/21/2019 09:42:58 +00:00".
  565. [00:07:50] Current: 85168, peak: 85205, connected: 0, disconnected: 0, rate: 0/s
  566. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  567. Heartbeat took longer than "00:00:01" at "05/21/2019 09:43:00 +00:00".
  568. [00:07:51] Current: 85168, peak: 85205, connected: 0, disconnected: 0, rate: 0/s
  569. [00:07:52] Current: 85168, peak: 85205, connected: 0, disconnected: 0, rate: 0/s
  570. [00:07:53] Current: 85201, peak: 85205, connected: 33, disconnected: 0, rate: 33/s
  571. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  572. Heartbeat took longer than "00:00:01" at "05/21/2019 09:43:04 +00:00".
  573. [00:07:55] Current: 85265, peak: 85265, connected: 64, disconnected: 0, rate: 64/s
  574. [00:07:56] Current: 85265, peak: 85265, connected: 0, disconnected: 0, rate: 0/s
  575. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  576. Heartbeat took longer than "00:00:01" at "05/21/2019 09:43:05 +00:00".
  577. [00:07:57] Current: 85238, peak: 85265, connected: 0, disconnected: 27, rate: -27/s
  578. [00:07:58] Current: 85238, peak: 85265, connected: 0, disconnected: 0, rate: 0/s
  579. [00:07:59] Current: 85238, peak: 85265, connected: 0, disconnected: 0, rate: 0/s
  580. [00:08:00] Current: 85238, peak: 85265, connected: 0, disconnected: 0, rate: 0/s
  581. [00:08:01] Current: 85281, peak: 85281, connected: 43, disconnected: 0, rate: 43/s
  582. [00:08:03] Current: 85284, peak: 85284, connected: 3, disconnected: 0, rate: 3/s
  583. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  584. Heartbeat took longer than "00:00:01" at "05/21/2019 09:43:12 +00:00".
  585. [00:08:04] Current: 85284, peak: 85284, connected: 0, disconnected: 0, rate: 0/s
  586. [00:08:05] Current: 85322, peak: 85322, connected: 38, disconnected: 0, rate: 38/s
  587. [00:08:06] Current: 85341, peak: 85341, connected: 19, disconnected: 0, rate: 19/s
  588. [00:08:08] Current: 85341, peak: 85341, connected: 0, disconnected: 0, rate: 0/s
  589. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  590. Heartbeat took longer than "00:00:01" at "05/21/2019 09:43:18 +00:00".
  591. [00:08:09] Current: 85439, peak: 85439, connected: 98, disconnected: 0, rate: 98/s
  592. [00:08:10] Current: 85439, peak: 85439, connected: 0, disconnected: 0, rate: 0/s
  593. [00:08:11] Current: 85439, peak: 85439, connected: 0, disconnected: 0, rate: 0/s
  594. [00:08:12] Current: 85480, peak: 85480, connected: 41, disconnected: 0, rate: 41/s
  595. [00:08:13] Current: 85481, peak: 85481, connected: 1, disconnected: 0, rate: 1/s
  596. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  597. Heartbeat took longer than "00:00:01" at "05/21/2019 09:43:23 +00:00".
  598. [00:08:14] Current: 85481, peak: 85481, connected: 0, disconnected: 0, rate: 0/s
  599. [00:08:15] Current: 85484, peak: 85484, connected: 3, disconnected: 0, rate: 3/s
  600. [00:08:17] Current: 85484, peak: 85484, connected: 0, disconnected: 0, rate: 0/s
  601. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  602. Heartbeat took longer than "00:00:01" at "05/21/2019 09:43:26 +00:00".
  603. [00:08:18] Current: 85484, peak: 85484, connected: 0, disconnected: 0, rate: 0/s
  604. [00:08:19] Current: 85484, peak: 85484, connected: 0, disconnected: 0, rate: 0/s
  605. [00:08:20] Current: 85542, peak: 85542, connected: 58, disconnected: 0, rate: 58/s
  606. [00:08:21] Current: 85654, peak: 85654, connected: 112, disconnected: 0, rate: 112/s
  607. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  608. Heartbeat took longer than "00:00:01" at "05/21/2019 09:43:32 +00:00".
  609. [00:08:22] Current: 85655, peak: 85655, connected: 1, disconnected: 0, rate: 1/s
  610. [00:08:23] Current: 85680, peak: 85680, connected: 25, disconnected: 0, rate: 25/s
  611. [00:08:24] Current: 85680, peak: 85680, connected: 0, disconnected: 0, rate: 0/s
  612. [00:08:26] Current: 85684, peak: 85684, connected: 4, disconnected: 0, rate: 4/s
  613. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  614. Heartbeat took longer than "00:00:01" at "05/21/2019 09:43:36 +00:00".
  615. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  616. Heartbeat took longer than "00:00:01" at "05/21/2019 09:43:36 +00:00".
  617. [00:08:27] Current: 85684, peak: 85684, connected: 0, disconnected: 0, rate: 0/s
  618. [00:08:28] Current: 85684, peak: 85684, connected: 0, disconnected: 0, rate: 0/s
  619. [00:08:29] Current: 85684, peak: 85684, connected: 0, disconnected: 0, rate: 0/s
  620. [00:08:30] Current: 85721, peak: 85721, connected: 37, disconnected: 0, rate: 37/s
  621. [00:08:31] Current: 85742, peak: 85742, connected: 21, disconnected: 0, rate: 21/s
  622. [00:08:32] Current: 85742, peak: 85742, connected: 0, disconnected: 0, rate: 0/s
  623. [00:08:33] Current: 85742, peak: 85742, connected: 0, disconnected: 0, rate: 0/s
  624. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  625. Heartbeat took longer than "00:00:01" at "05/21/2019 09:43:43 +00:00".
  626. [00:08:34] Current: 85801, peak: 85801, connected: 59, disconnected: 0, rate: 59/s
  627. [00:08:35] Current: 85859, peak: 85859, connected: 58, disconnected: 0, rate: 58/s
  628. [00:08:36] Current: 85884, peak: 85884, connected: 25, disconnected: 0, rate: 25/s
  629. [00:08:37] Current: 85884, peak: 85884, connected: 0, disconnected: 0, rate: 0/s
  630. [00:08:39] Current: 85884, peak: 85884, connected: 0, disconnected: 0, rate: 0/s
  631. [00:08:41] Current: 85915, peak: 85915, connected: 31, disconnected: 0, rate: 31/s
  632. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  633. Heartbeat took longer than "00:00:01" at "05/21/2019 09:43:51 +00:00".
  634. [00:08:42] Current: 85942, peak: 85942, connected: 27, disconnected: 0, rate: 27/s
  635. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  636. Heartbeat took longer than "00:00:01" at "05/21/2019 09:43:52 +00:00".
  637. [00:08:43] Current: 85942, peak: 85942, connected: 0, disconnected: 0, rate: 0/s
  638. [00:08:44] Current: 85942, peak: 85942, connected: 0, disconnected: 0, rate: 0/s
  639. [00:08:46] Current: 85955, peak: 85955, connected: 13, disconnected: 0, rate: 13/s
  640. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  641. Heartbeat took longer than "00:00:01" at "05/21/2019 09:43:56 +00:00".
  642. [00:08:47] Current: 86051, peak: 86051, connected: 96, disconnected: 0, rate: 96/s
  643. [00:08:48] Current: 86059, peak: 86059, connected: 8, disconnected: 0, rate: 8/s
  644. [00:08:49] Current: 86059, peak: 86059, connected: 0, disconnected: 0, rate: 0/s
  645. [00:08:51] Current: 86059, peak: 86059, connected: 0, disconnected: 0, rate: 0/s
  646. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  647. Heartbeat took longer than "00:00:01" at "05/21/2019 09:44:01 +00:00".
  648. [00:08:52] Current: 86059, peak: 86059, connected: 0, disconnected: 0, rate: 0/s
  649. [00:08:54] Current: 86059, peak: 86059, connected: 0, disconnected: 0, rate: 0/s
  650. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  651. Heartbeat took longer than "00:00:01" at "05/21/2019 09:44:04 +00:00".
  652. [00:08:55] Current: 86059, peak: 86059, connected: 0, disconnected: 0, rate: 0/s
  653. [00:08:56] Current: 86084, peak: 86084, connected: 25, disconnected: 0, rate: 25/s
  654. [00:08:58] Current: 86090, peak: 86090, connected: 6, disconnected: 0, rate: 6/s
  655. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  656. Heartbeat took longer than "00:00:01" at "05/21/2019 09:44:08 +00:00".
  657. [00:08:59] Current: 86090, peak: 86090, connected: 0, disconnected: 0, rate: 0/s
  658. [00:09:00] Current: 86111, peak: 86111, connected: 21, disconnected: 0, rate: 21/s
  659. [00:09:01] Current: 86140, peak: 86140, connected: 29, disconnected: 0, rate: 29/s
  660. [00:09:03] Current: 86155, peak: 86155, connected: 15, disconnected: 0, rate: 15/s
  661. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  662. Heartbeat took longer than "00:00:01" at "05/21/2019 09:44:13 +00:00".
  663. [00:09:04] Current: 86155, peak: 86155, connected: 0, disconnected: 0, rate: 0/s
  664. [00:09:05] Current: 86201, peak: 86201, connected: 46, disconnected: 0, rate: 46/s
  665. [00:09:06] Current: 86261, peak: 86261, connected: 60, disconnected: 0, rate: 60/s
  666. [00:09:07] Current: 86261, peak: 86261, connected: 0, disconnected: 0, rate: 0/s
  667. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  668. Heartbeat took longer than "00:00:01" at "05/21/2019 09:44:18 +00:00".
  669. [00:09:08] Current: 86261, peak: 86261, connected: 0, disconnected: 0, rate: 0/s
  670. [00:09:10] Current: 86261, peak: 86261, connected: 0, disconnected: 0, rate: 0/s
  671. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  672. Heartbeat took longer than "00:00:01" at "05/21/2019 09:44:20 +00:00".
  673. [00:09:12] Current: 86261, peak: 86261, connected: 0, disconnected: 0, rate: 0/s
  674. [00:09:13] Current: 86261, peak: 86261, connected: 0, disconnected: 0, rate: 0/s
  675. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  676. Heartbeat took longer than "00:00:01" at "05/21/2019 09:44:23 +00:00".
  677. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  678. Heartbeat took longer than "00:00:01" at "05/21/2019 09:44:23 +00:00".
  679. [00:09:14] Current: 86290, peak: 86290, connected: 29, disconnected: 0, rate: 29/s
  680. [00:09:15] Current: 86290, peak: 86290, connected: 0, disconnected: 0, rate: 0/s
  681. [00:09:16] Current: 86290, peak: 86290, connected: 0, disconnected: 0, rate: 0/s
  682. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  683. Heartbeat took longer than "00:00:01" at "05/21/2019 09:44:26 +00:00".
  684. [00:09:17] Current: 86290, peak: 86290, connected: 0, disconnected: 0, rate: 0/s
  685. [00:09:18] Current: 86290, peak: 86290, connected: 0, disconnected: 0, rate: 0/s
  686. [00:09:19] Current: 86290, peak: 86290, connected: 0, disconnected: 0, rate: 0/s
  687. [00:09:20] Current: 86312, peak: 86312, connected: 22, disconnected: 0, rate: 22/s
  688. [00:09:21] Current: 86355, peak: 86355, connected: 43, disconnected: 0, rate: 43/s
  689. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  690. Heartbeat took longer than "00:00:01" at "05/21/2019 09:44:33 +00:00".
  691. [00:09:23] Current: 86355, peak: 86355, connected: 0, disconnected: 0, rate: 0/s
  692. [00:09:24] Current: 86355, peak: 86355, connected: 0, disconnected: 0, rate: 0/s
  693. [00:09:26] Current: 86355, peak: 86355, connected: 0, disconnected: 0, rate: 0/s
  694. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  695. Heartbeat took longer than "00:00:01" at "05/21/2019 09:44:36 +00:00".
  696. [00:09:29] Current: 86355, peak: 86355, connected: 0, disconnected: 0, rate: 0/s
  697. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  698. Heartbeat took longer than "00:00:01" at "05/21/2019 09:44:39 +00:00".
  699. [00:09:30] Current: 86435, peak: 86435, connected: 80, disconnected: 0, rate: 80/s
  700. [00:09:31] Current: 86461, peak: 86461, connected: 26, disconnected: 0, rate: 26/s
  701. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  702. Heartbeat took longer than "00:00:01" at "05/21/2019 09:44:41 +00:00".
  703. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  704. Heartbeat took longer than "00:00:01" at "05/21/2019 09:44:41 +00:00".
  705. [00:09:32] Current: 86461, peak: 86461, connected: 0, disconnected: 0, rate: 0/s
  706. [00:09:33] Current: 86461, peak: 86461, connected: 0, disconnected: 0, rate: 0/s
  707. [00:09:34] Current: 86461, peak: 86461, connected: 0, disconnected: 0, rate: 0/s
  708. [00:09:36] Current: 86461, peak: 86461, connected: 0, disconnected: 0, rate: 0/s
  709. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  710. Heartbeat took longer than "00:00:01" at "05/21/2019 09:44:46 +00:00".
  711. [00:09:37] Current: 86462, peak: 86462, connected: 1, disconnected: 0, rate: 1/s
  712. [00:09:38] Current: 86467, peak: 86467, connected: 5, disconnected: 0, rate: 5/s
  713. [00:09:39] Current: 86490, peak: 86490, connected: 23, disconnected: 0, rate: 23/s
  714. [00:09:40] Current: 86490, peak: 86490, connected: 0, disconnected: 0, rate: 0/s
  715. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  716. Heartbeat took longer than "00:00:01" at "05/21/2019 09:44:50 +00:00".
  717. [00:09:41] Current: 86490, peak: 86490, connected: 0, disconnected: 0, rate: 0/s
  718. [00:09:42] Current: 86490, peak: 86490, connected: 0, disconnected: 0, rate: 0/s
  719. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  720. Heartbeat took longer than "00:00:01" at "05/21/2019 09:44:52 +00:00".
  721. [00:09:43] Current: 86490, peak: 86490, connected: 0, disconnected: 0, rate: 0/s
  722. [00:09:45] Current: 86490, peak: 86490, connected: 0, disconnected: 0, rate: 0/s
  723. [00:09:46] Current: 86490, peak: 86490, connected: 0, disconnected: 0, rate: 0/s
  724. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  725. Heartbeat took longer than "00:00:01" at "05/21/2019 09:44:56 +00:00".
  726. [00:09:47] Current: 86490, peak: 86490, connected: 0, disconnected: 0, rate: 0/s
  727. [00:09:48] Current: 86553, peak: 86553, connected: 63, disconnected: 0, rate: 63/s
  728. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  729. Heartbeat took longer than "00:00:01" at "05/21/2019 09:44:58 +00:00".
  730. [00:09:49] Current: 86555, peak: 86555, connected: 2, disconnected: 0, rate: 2/s
  731. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  732. Heartbeat took longer than "00:00:01" at "05/21/2019 09:44:59 +00:00".
  733. [00:09:51] Current: 86555, peak: 86555, connected: 0, disconnected: 0, rate: 0/s
  734. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  735. Heartbeat took longer than "00:00:01" at "05/21/2019 09:45:01 +00:00".
  736. [00:09:53] Current: 86555, peak: 86555, connected: 0, disconnected: 0, rate: 0/s
  737. [00:09:54] Current: 86555, peak: 86555, connected: 0, disconnected: 0, rate: 0/s
  738. [00:09:55] Current: 86555, peak: 86555, connected: 0, disconnected: 0, rate: 0/s
  739. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  740. Heartbeat took longer than "00:00:01" at "05/21/2019 09:45:05 +00:00".
  741. [00:09:57] Current: 86555, peak: 86555, connected: 0, disconnected: 0, rate: 0/s
  742. [00:09:58] Current: 86555, peak: 86555, connected: 0, disconnected: 0, rate: 0/s
  743. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  744. Heartbeat took longer than "00:00:01" at "05/21/2019 09:45:08 +00:00".
  745. [00:09:59] Current: 86603, peak: 86603, connected: 48, disconnected: 0, rate: 48/s
  746. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  747. Heartbeat took longer than "00:00:01" at "05/21/2019 09:45:09 +00:00".
  748. [00:10:01] Current: 86661, peak: 86661, connected: 58, disconnected: 0, rate: 58/s
  749. [00:10:02] Current: 86660, peak: 86661, connected: 0, disconnected: 1, rate: -1/s
  750. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  751. Heartbeat took longer than "00:00:01" at "05/21/2019 09:45:12 +00:00".
  752. [00:10:03] Current: 86660, peak: 86661, connected: 0, disconnected: 0, rate: 0/s
  753. [00:10:04] Current: 86660, peak: 86661, connected: 0, disconnected: 0, rate: 0/s
  754. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  755. Heartbeat took longer than "00:00:01" at "05/21/2019 09:45:14 +00:00".
  756. [00:10:05] Current: 86660, peak: 86661, connected: 0, disconnected: 0, rate: 0/s
  757. [00:10:06] Current: 86660, peak: 86661, connected: 0, disconnected: 0, rate: 0/s
  758. [00:10:07] Current: 86666, peak: 86666, connected: 6, disconnected: 0, rate: 6/s
  759. [00:10:09] Current: 86689, peak: 86689, connected: 23, disconnected: 0, rate: 23/s
  760. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  761. Heartbeat took longer than "00:00:01" at "05/21/2019 09:45:19 +00:00".
  762. [00:10:10] Current: 86689, peak: 86689, connected: 0, disconnected: 0, rate: 0/s
  763. [00:10:12] Current: 86689, peak: 86689, connected: 0, disconnected: 0, rate: 0/s
  764. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  765. Heartbeat took longer than "00:00:01" at "05/21/2019 09:45:22 +00:00".
  766. [00:10:13] Current: 86689, peak: 86689, connected: 0, disconnected: 0, rate: 0/s
  767. [00:10:15] Current: 86689, peak: 86689, connected: 0, disconnected: 0, rate: 0/s
  768. [00:10:16] Current: 86689, peak: 86689, connected: 0, disconnected: 0, rate: 0/s
  769. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  770. Heartbeat took longer than "00:00:01" at "05/21/2019 09:45:27 +00:00".
  771. [00:10:18] Current: 86689, peak: 86689, connected: 0, disconnected: 0, rate: 0/s
  772. [00:10:19] Current: 86689, peak: 86689, connected: 0, disconnected: 0, rate: 0/s
  773. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  774. Heartbeat took longer than "00:00:01" at "05/21/2019 09:45:29 +00:00".
  775. [00:10:20] Current: 86689, peak: 86689, connected: 0, disconnected: 0, rate: 0/s
  776. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  777. Heartbeat took longer than "00:00:01" at "05/21/2019 09:45:30 +00:00".
  778. [00:10:23] Current: 86689, peak: 86689, connected: 0, disconnected: 0, rate: 0/s
  779. [00:10:24] Current: 86689, peak: 86689, connected: 0, disconnected: 0, rate: 0/s
  780. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  781. Heartbeat took longer than "00:00:01" at "05/21/2019 09:45:34 +00:00".
  782. [00:10:25] Current: 86754, peak: 86754, connected: 65, disconnected: 0, rate: 65/s
  783. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  784. Heartbeat took longer than "00:00:01" at "05/21/2019 09:45:37 +00:00".
  785. [00:10:27] Current: 86754, peak: 86754, connected: 0, disconnected: 0, rate: 0/s
  786. [00:10:28] Current: 86754, peak: 86754, connected: 0, disconnected: 0, rate: 0/s
  787. [00:10:30] Current: 86754, peak: 86754, connected: 0, disconnected: 0, rate: 0/s
  788. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  789. Heartbeat took longer than "00:00:01" at "05/21/2019 09:45:39 +00:00".
  790. [00:10:31] Current: 86754, peak: 86754, connected: 0, disconnected: 0, rate: 0/s
  791. [00:10:32] Current: 86754, peak: 86754, connected: 0, disconnected: 0, rate: 0/s
  792. [00:10:33] Current: 86754, peak: 86754, connected: 0, disconnected: 0, rate: 0/s
  793. [00:10:34] Current: 86754, peak: 86754, connected: 0, disconnected: 0, rate: 0/s
  794. [00:10:36] Current: 86754, peak: 86754, connected: 0, disconnected: 0, rate: 0/s
  795. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  796. Heartbeat took longer than "00:00:01" at "05/21/2019 09:45:47 +00:00".
  797. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  798. Heartbeat took longer than "00:00:01" at "05/21/2019 09:45:48 +00:00".
  799. [00:10:40] Current: 86754, peak: 86754, connected: 0, disconnected: 0, rate: 0/s
  800. [00:10:41] Current: 86754, peak: 86754, connected: 0, disconnected: 0, rate: 0/s
  801. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  802. Heartbeat took longer than "00:00:01" at "05/21/2019 09:45:51 +00:00".
  803. [00:10:42] Current: 86754, peak: 86754, connected: 0, disconnected: 0, rate: 0/s
  804. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  805. Heartbeat took longer than "00:00:01" at "05/21/2019 09:45:52 +00:00".
  806. [00:10:46] Current: 86689, peak: 86754, connected: 0, disconnected: 65, rate: -65/s
  807. [00:10:47] Current: 86689, peak: 86754, connected: 0, disconnected: 0, rate: 0/s
  808. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  809. Heartbeat took longer than "00:00:01" at "05/21/2019 09:45:57 +00:00".
  810. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  811. Heartbeat took longer than "00:00:01" at "05/21/2019 09:46:00 +00:00".
  812. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  813. Heartbeat took longer than "00:00:01" at "05/21/2019 09:46:01 +00:00".
  814. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  815. Heartbeat took longer than "00:00:01" at "05/21/2019 09:46:03 +00:00".
  816. [00:10:54] Current: 86669, peak: 86754, connected: 0, disconnected: 20, rate: -20/s
  817. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  818. Heartbeat took longer than "00:00:01" at "05/21/2019 09:46:04 +00:00".
  819. [00:10:55] Current: 86658, peak: 86754, connected: 0, disconnected: 11, rate: -11/s
  820. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  821. Heartbeat took longer than "00:00:01" at "05/21/2019 09:46:06 +00:00".
  822. [00:10:56] Current: 86657, peak: 86754, connected: 0, disconnected: 1, rate: -1/s
  823. [00:11:07] Current: 86523, peak: 86754, connected: 0, disconnected: 134, rate: -134/s
  824. [00:11:09] Current: 86479, peak: 86754, connected: 0, disconnected: 44, rate: -44/s
  825. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  826. Heartbeat took longer than "00:00:01" at "05/21/2019 09:46:19 +00:00".
  827. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  828. Heartbeat took longer than "00:00:01" at "05/21/2019 09:46:19 +00:00".
  829. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  830. Heartbeat took longer than "00:00:01" at "05/21/2019 09:46:21 +00:00".
  831. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  832. Heartbeat took longer than "00:00:01" at "05/21/2019 09:46:23 +00:00".
  833. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  834. Heartbeat took longer than "00:00:01" at "05/21/2019 09:46:25 +00:00".
  835. [00:11:18] Current: 84797, peak: 86754, connected: 0, disconnected: 1682, rate: -1682/s
  836. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  837. Heartbeat took longer than "00:00:01" at "05/21/2019 09:46:28 +00:00".
  838. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  839. Heartbeat took longer than "00:00:01" at "05/21/2019 09:46:28 +00:00".
  840. [00:11:19] Current: 81954, peak: 86754, connected: 0, disconnected: 2843, rate: -2843/s
  841. [00:11:20] Current: 81568, peak: 86754, connected: 0, disconnected: 386, rate: -386/s
  842. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  843. Heartbeat took longer than "00:00:01" at "05/21/2019 09:46:31 +00:00".
  844. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  845. Heartbeat took longer than "00:00:01" at "05/21/2019 09:46:31 +00:00".
  846. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  847. Heartbeat took longer than "00:00:01" at "05/21/2019 09:46:36 +00:00".
  848. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  849. Heartbeat took longer than "00:00:01" at "05/21/2019 09:46:37 +00:00".
  850. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  851. Heartbeat took longer than "00:00:01" at "05/21/2019 09:46:38 +00:00".
  852. [00:11:29] Current: 80942, peak: 86754, connected: 0, disconnected: 626, rate: -626/s
  853. [00:11:30] Current: 80922, peak: 86754, connected: 0, disconnected: 20, rate: -20/s
  854. [00:11:31] Current: 80285, peak: 86754, connected: 0, disconnected: 637, rate: -637/s
  855. [00:11:32] Current: 80157, peak: 86754, connected: 0, disconnected: 128, rate: -128/s
  856. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  857. Heartbeat took longer than "00:00:01" at "05/21/2019 09:46:42 +00:00".
  858. [00:11:33] Current: 79712, peak: 86754, connected: 0, disconnected: 445, rate: -445/s
  859. [00:11:34] Current: 79421, peak: 86754, connected: 0, disconnected: 291, rate: -291/s
  860. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  861. Heartbeat took longer than "00:00:01" at "05/21/2019 09:46:44 +00:00".
  862. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  863. Heartbeat took longer than "00:00:01" at "05/21/2019 09:46:44 +00:00".
  864. [00:11:35] Current: 79038, peak: 86754, connected: 0, disconnected: 383, rate: -383/s
  865. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  866. Heartbeat took longer than "00:00:01" at "05/21/2019 09:46:47 +00:00".
  867. [00:11:39] Current: 69107, peak: 86754, connected: 0, disconnected: 9931, rate: -9931/s
  868. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  869. Heartbeat took longer than "00:00:01" at "05/21/2019 09:46:49 +00:00".
  870. [00:11:40] Current: 65634, peak: 86754, connected: 0, disconnected: 3473, rate: -3473/s
  871. [00:11:41] Current: 51162, peak: 86754, connected: 0, disconnected: 14472, rate: -14472/s
  872. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  873. Heartbeat took longer than "00:00:01" at "05/21/2019 09:46:53 +00:00".
  874. [00:11:44] Current: 37333, peak: 86754, connected: 0, disconnected: 13829, rate: -13829/s
  875. [00:11:45] Current: 35528, peak: 86754, connected: 0, disconnected: 1805, rate: -1805/s
  876. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  877. Heartbeat took longer than "00:00:01" at "05/21/2019 09:46:55 +00:00".
  878. [00:11:46] Current: 35528, peak: 86754, connected: 0, disconnected: 0, rate: 0/s
  879. [00:11:47] Current: 35529, peak: 86754, connected: 1, disconnected: 0, rate: 1/s
  880. [00:11:48] Current: 35663, peak: 86754, connected: 134, disconnected: 0, rate: 134/s
  881. [00:11:49] Current: 36473, peak: 86754, connected: 810, disconnected: 0, rate: 810/s
  882. [00:11:50] Current: 37271, peak: 86754, connected: 798, disconnected: 0, rate: 798/s
  883. [00:11:51] Current: 37443, peak: 86754, connected: 172, disconnected: 0, rate: 172/s
  884. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  885. Heartbeat took longer than "00:00:01" at "05/21/2019 09:47:01 +00:00".
  886. [00:11:52] Current: 37855, peak: 86754, connected: 412, disconnected: 0, rate: 412/s
  887. [00:11:53] Current: 38381, peak: 86754, connected: 526, disconnected: 0, rate: 526/s
  888. [00:11:54] Current: 38931, peak: 86754, connected: 550, disconnected: 0, rate: 550/s
  889. [00:11:55] Current: 39133, peak: 86754, connected: 202, disconnected: 0, rate: 202/s
  890. [00:11:56] Current: 39886, peak: 86754, connected: 753, disconnected: 0, rate: 753/s
  891. [00:11:57] Current: 40813, peak: 86754, connected: 927, disconnected: 0, rate: 927/s
  892. [00:11:58] Current: 41515, peak: 86754, connected: 702, disconnected: 0, rate: 702/s
  893. [00:11:59] Current: 42099, peak: 86754, connected: 584, disconnected: 0, rate: 584/s
  894. [00:12:00] Current: 42890, peak: 86754, connected: 791, disconnected: 0, rate: 791/s
  895. [00:12:01] Current: 43172, peak: 86754, connected: 282, disconnected: 0, rate: 282/s
  896. [00:12:02] Current: 43960, peak: 86754, connected: 788, disconnected: 0, rate: 788/s
  897. [00:12:03] Current: 44861, peak: 86754, connected: 901, disconnected: 0, rate: 901/s
  898. [00:12:05] Current: 45694, peak: 86754, connected: 833, disconnected: 0, rate: 833/s
  899. [00:12:06] Current: 46547, peak: 86754, connected: 853, disconnected: 0, rate: 853/s
  900. [00:12:07] Current: 47424, peak: 86754, connected: 877, disconnected: 0, rate: 877/s
  901. [00:12:08] Current: 48230, peak: 86754, connected: 806, disconnected: 0, rate: 806/s
  902. [00:12:09] Current: 48418, peak: 86754, connected: 188, disconnected: 0, rate: 188/s
  903. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  904. Heartbeat took longer than "00:00:01" at "05/21/2019 09:47:19 +00:00".
  905. [00:12:10] Current: 48732, peak: 86754, connected: 314, disconnected: 0, rate: 314/s
  906. [00:12:11] Current: 49224, peak: 86754, connected: 492, disconnected: 0, rate: 492/s
  907. [00:12:12] Current: 50035, peak: 86754, connected: 811, disconnected: 0, rate: 811/s
  908. [00:12:14] Current: 50109, peak: 86754, connected: 74, disconnected: 0, rate: 74/s
  909. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  910. Heartbeat took longer than "00:00:01" at "05/21/2019 09:47:24 +00:00".
  911. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  912. Heartbeat took longer than "00:00:01" at "05/21/2019 09:47:24 +00:00".
  913. [00:12:15] Current: 50235, peak: 86754, connected: 126, disconnected: 0, rate: 126/s
  914. [00:12:16] Current: 50304, peak: 86754, connected: 69, disconnected: 0, rate: 69/s
  915. [00:12:17] Current: 51025, peak: 86754, connected: 721, disconnected: 0, rate: 721/s
  916. [00:12:18] Current: 51219, peak: 86754, connected: 194, disconnected: 0, rate: 194/s
  917. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  918. Heartbeat took longer than "00:00:01" at "05/21/2019 09:47:28 +00:00".
  919. [00:12:19] Current: 51685, peak: 86754, connected: 466, disconnected: 0, rate: 466/s
  920. [00:12:20] Current: 51976, peak: 86754, connected: 291, disconnected: 0, rate: 291/s
  921. [00:12:21] Current: 52583, peak: 86754, connected: 607, disconnected: 0, rate: 607/s
  922. [00:12:22] Current: 52943, peak: 86754, connected: 360, disconnected: 0, rate: 360/s
  923. [00:12:23] Current: 53184, peak: 86754, connected: 241, disconnected: 0, rate: 241/s
  924. [00:12:24] Current: 53320, peak: 86754, connected: 136, disconnected: 0, rate: 136/s
  925. [00:12:25] Current: 53540, peak: 86754, connected: 220, disconnected: 0, rate: 220/s
  926. [00:12:27] Current: 53872, peak: 86754, connected: 332, disconnected: 0, rate: 332/s
  927. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  928. Heartbeat took longer than "00:00:01" at "05/21/2019 09:47:37 +00:00".
  929. [00:12:28] Current: 54204, peak: 86754, connected: 332, disconnected: 0, rate: 332/s
  930. [00:12:29] Current: 54690, peak: 86754, connected: 486, disconnected: 0, rate: 486/s
  931. [00:12:30] Current: 55109, peak: 86754, connected: 419, disconnected: 0, rate: 419/s
  932. [00:12:31] Current: 55199, peak: 86754, connected: 90, disconnected: 0, rate: 90/s
  933. [00:12:32] Current: 55973, peak: 86754, connected: 774, disconnected: 0, rate: 774/s
  934. [00:12:33] Current: 56284, peak: 86754, connected: 311, disconnected: 0, rate: 311/s
  935. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  936. Heartbeat took longer than "00:00:01" at "05/21/2019 09:47:43 +00:00".
  937. [00:12:34] Current: 56852, peak: 86754, connected: 568, disconnected: 0, rate: 568/s
  938. [00:12:35] Current: 57054, peak: 86754, connected: 202, disconnected: 0, rate: 202/s
  939. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  940. Heartbeat took longer than "00:00:01" at "05/21/2019 09:47:45 +00:00".
  941. [00:12:36] Current: 57439, peak: 86754, connected: 385, disconnected: 0, rate: 385/s
  942. [00:12:37] Current: 57925, peak: 86754, connected: 486, disconnected: 0, rate: 486/s
  943. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  944. Heartbeat took longer than "00:00:01" at "05/21/2019 09:47:47 +00:00".
  945. [00:12:38] Current: 58509, peak: 86754, connected: 584, disconnected: 0, rate: 584/s
  946. [00:12:39] Current: 58730, peak: 86754, connected: 221, disconnected: 0, rate: 221/s
  947. [00:12:40] Current: 59193, peak: 86754, connected: 463, disconnected: 0, rate: 463/s
  948. [00:12:41] Current: 59387, peak: 86754, connected: 194, disconnected: 0, rate: 194/s
  949. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  950. Heartbeat took longer than "00:00:01" at "05/21/2019 09:47:51 +00:00".
  951. [00:12:42] Current: 59768, peak: 86754, connected: 381, disconnected: 0, rate: 381/s
  952. [00:12:43] Current: 59995, peak: 86754, connected: 227, disconnected: 0, rate: 227/s
  953. [00:12:44] Current: 60543, peak: 86754, connected: 548, disconnected: 0, rate: 548/s
  954. [00:12:45] Current: 60851, peak: 86754, connected: 308, disconnected: 0, rate: 308/s
  955. [00:12:46] Current: 60951, peak: 86754, connected: 100, disconnected: 0, rate: 100/s
  956. [00:12:47] Current: 61221, peak: 86754, connected: 270, disconnected: 0, rate: 270/s
  957. [00:12:48] Current: 61461, peak: 86754, connected: 240, disconnected: 0, rate: 240/s
  958. [00:12:49] Current: 61979, peak: 86754, connected: 518, disconnected: 0, rate: 518/s
  959. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  960. Heartbeat took longer than "00:00:01" at "05/21/2019 09:48:00 +00:00".
  961. [00:12:50] Current: 62044, peak: 86754, connected: 65, disconnected: 0, rate: 65/s
  962. [00:12:51] Current: 62506, peak: 86754, connected: 462, disconnected: 0, rate: 462/s
  963. [00:12:52] Current: 62550, peak: 86754, connected: 44, disconnected: 0, rate: 44/s
  964. [00:12:53] Current: 62862, peak: 86754, connected: 312, disconnected: 0, rate: 312/s
  965. [00:12:55] Current: 63220, peak: 86754, connected: 358, disconnected: 0, rate: 358/s
  966. [00:12:56] Current: 63322, peak: 86754, connected: 102, disconnected: 0, rate: 102/s
  967. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  968. Heartbeat took longer than "00:00:01" at "05/21/2019 09:48:06 +00:00".
  969. [00:12:57] Current: 63341, peak: 86754, connected: 19, disconnected: 0, rate: 19/s
  970. [00:12:58] Current: 63369, peak: 86754, connected: 28, disconnected: 0, rate: 28/s
  971. [00:12:59] Current: 63729, peak: 86754, connected: 360, disconnected: 0, rate: 360/s
  972. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  973. Heartbeat took longer than "00:00:01" at "05/21/2019 09:48:09 +00:00".
  974. [00:13:00] Current: 63913, peak: 86754, connected: 184, disconnected: 0, rate: 184/s
  975. [00:13:01] Current: 64084, peak: 86754, connected: 171, disconnected: 0, rate: 171/s
  976. [00:13:02] Current: 64378, peak: 86754, connected: 294, disconnected: 0, rate: 294/s
  977. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  978. Heartbeat took longer than "00:00:01" at "05/21/2019 09:48:12 +00:00".
  979. [00:13:03] Current: 64587, peak: 86754, connected: 209, disconnected: 0, rate: 209/s
  980. [00:13:04] Current: 64893, peak: 86754, connected: 306, disconnected: 0, rate: 306/s
  981. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  982. Heartbeat took longer than "00:00:01" at "05/21/2019 09:48:14 +00:00".
  983. [00:13:05] Current: 65647, peak: 86754, connected: 754, disconnected: 0, rate: 754/s
  984. [00:13:06] Current: 65874, peak: 86754, connected: 227, disconnected: 0, rate: 227/s
  985. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  986. Heartbeat took longer than "00:00:01" at "05/21/2019 09:48:16 +00:00".
  987. [00:13:07] Current: 66193, peak: 86754, connected: 319, disconnected: 0, rate: 319/s
  988. [00:13:08] Current: 66358, peak: 86754, connected: 165, disconnected: 0, rate: 165/s
  989. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  990. Heartbeat took longer than "00:00:01" at "05/21/2019 09:48:18 +00:00".
  991. [00:13:09] Current: 66923, peak: 86754, connected: 565, disconnected: 0, rate: 565/s
  992. [00:13:10] Current: 67100, peak: 86754, connected: 177, disconnected: 0, rate: 177/s
  993. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  994. Heartbeat took longer than "00:00:01" at "05/21/2019 09:48:20 +00:00".
  995. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  996. Heartbeat took longer than "00:00:01" at "05/21/2019 09:48:21 +00:00".
  997. [00:13:11] Current: 67249, peak: 86754, connected: 149, disconnected: 0, rate: 149/s
  998. [00:13:12] Current: 67250, peak: 86754, connected: 1, disconnected: 0, rate: 1/s
  999. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  1000. Heartbeat took longer than "00:00:01" at "05/21/2019 09:48:23 +00:00".
  1001. [00:13:13] Current: 67326, peak: 86754, connected: 76, disconnected: 0, rate: 76/s
  1002. [00:13:14] Current: 67333, peak: 86754, connected: 7, disconnected: 0, rate: 7/s
  1003. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  1004. Heartbeat took longer than "00:00:01" at "05/21/2019 09:48:25 +00:00".
  1005. [00:13:15] Current: 67417, peak: 86754, connected: 84, disconnected: 0, rate: 84/s
  1006. [00:13:16] Current: 67419, peak: 86754, connected: 2, disconnected: 0, rate: 2/s
  1007. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  1008. Heartbeat took longer than "00:00:01" at "05/21/2019 09:48:27 +00:00".
  1009. [00:13:17] Current: 67451, peak: 86754, connected: 32, disconnected: 0, rate: 32/s
  1010. [00:13:18] Current: 67451, peak: 86754, connected: 0, disconnected: 0, rate: 0/s
  1011. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  1012. Heartbeat took longer than "00:00:01" at "05/21/2019 09:48:29 +00:00".
  1013. [00:13:19] Current: 67505, peak: 86754, connected: 54, disconnected: 0, rate: 54/s
  1014. [00:13:21] Current: 67527, peak: 86754, connected: 22, disconnected: 0, rate: 22/s
  1015. [00:13:23] Current: 67534, peak: 86754, connected: 7, disconnected: 0, rate: 7/s
  1016. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  1017. Heartbeat took longer than "00:00:01" at "05/21/2019 09:48:33 +00:00".
  1018. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  1019. Heartbeat took longer than "00:00:01" at "05/21/2019 09:48:34 +00:00".
  1020. [00:13:25] Current: 67568, peak: 86754, connected: 34, disconnected: 0, rate: 34/s
  1021. [00:13:26] Current: 67614, peak: 86754, connected: 46, disconnected: 0, rate: 46/s
  1022. [00:13:27] Current: 67618, peak: 86754, connected: 4, disconnected: 0, rate: 4/s
  1023. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  1024. Heartbeat took longer than "00:00:01" at "05/21/2019 09:48:37 +00:00".
  1025. [00:13:28] Current: 67618, peak: 86754, connected: 0, disconnected: 0, rate: 0/s
  1026. [00:13:29] Current: 67619, peak: 86754, connected: 1, disconnected: 0, rate: 1/s
  1027. [00:13:30] Current: 67620, peak: 86754, connected: 1, disconnected: 0, rate: 1/s
  1028. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  1029. Heartbeat took longer than "00:00:01" at "05/21/2019 09:48:40 +00:00".
  1030. [00:13:31] Current: 67633, peak: 86754, connected: 13, disconnected: 0, rate: 13/s
  1031. [00:13:32] Current: 67646, peak: 86754, connected: 13, disconnected: 0, rate: 13/s
  1032. [00:13:33] Current: 67649, peak: 86754, connected: 3, disconnected: 0, rate: 3/s
  1033. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  1034. Heartbeat took longer than "00:00:01" at "05/21/2019 09:48:43 +00:00".
  1035. [00:13:34] Current: 67651, peak: 86754, connected: 2, disconnected: 0, rate: 2/s
  1036. [00:13:35] Current: 67666, peak: 86754, connected: 15, disconnected: 0, rate: 15/s
  1037. [00:13:36] Current: 67729, peak: 86754, connected: 63, disconnected: 0, rate: 63/s
  1038. [00:13:37] Current: 67729, peak: 86754, connected: 0, disconnected: 0, rate: 0/s
  1039. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  1040. Heartbeat took longer than "00:00:01" at "05/21/2019 09:48:47 +00:00".
  1041. [00:13:38] Current: 67769, peak: 86754, connected: 40, disconnected: 0, rate: 40/s
  1042. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  1043. Heartbeat took longer than "00:00:01" at "05/21/2019 09:48:49 +00:00".
  1044. [00:13:39] Current: 67820, peak: 86754, connected: 51, disconnected: 0, rate: 51/s
  1045. [00:13:40] Current: 67837, peak: 86754, connected: 17, disconnected: 0, rate: 17/s
  1046. [00:13:41] Current: 68120, peak: 86754, connected: 283, disconnected: 0, rate: 283/s
  1047. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  1048. Heartbeat took longer than "00:00:01" at "05/21/2019 09:48:52 +00:00".
  1049. [00:13:42] Current: 68208, peak: 86754, connected: 88, disconnected: 0, rate: 88/s
  1050. [00:13:43] Current: 68640, peak: 86754, connected: 432, disconnected: 0, rate: 432/s
  1051. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  1052. Heartbeat took longer than "00:00:01" at "05/21/2019 09:48:54 +00:00".
  1053. [00:13:44] Current: 68722, peak: 86754, connected: 82, disconnected: 0, rate: 82/s
  1054. [00:13:45] Current: 68884, peak: 86754, connected: 162, disconnected: 0, rate: 162/s
  1055. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  1056. Heartbeat took longer than "00:00:01" at "05/21/2019 09:48:56 +00:00".
  1057. [00:13:46] Current: 68905, peak: 86754, connected: 21, disconnected: 0, rate: 21/s
  1058. [00:13:47] Current: 69101, peak: 86754, connected: 196, disconnected: 0, rate: 196/s
  1059. [00:13:48] Current: 69130, peak: 86754, connected: 29, disconnected: 0, rate: 29/s
  1060. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  1061. Heartbeat took longer than "00:00:01" at "05/21/2019 09:48:58 +00:00".
  1062. [00:13:49] Current: 69306, peak: 86754, connected: 176, disconnected: 0, rate: 176/s
  1063. [00:13:51] Current: 69331, peak: 86754, connected: 25, disconnected: 0, rate: 25/s
  1064. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  1065. Heartbeat took longer than "00:00:01" at "05/21/2019 09:49:01 +00:00".
  1066. [00:13:52] Current: 69506, peak: 86754, connected: 175, disconnected: 0, rate: 175/s
  1067. [00:13:53] Current: 69601, peak: 86754, connected: 95, disconnected: 0, rate: 95/s
  1068. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  1069. Heartbeat took longer than "00:00:01" at "05/21/2019 09:49:03 +00:00".
  1070. [00:13:54] Current: 69737, peak: 86754, connected: 136, disconnected: 0, rate: 136/s
  1071. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  1072. Heartbeat took longer than "00:00:01" at "05/21/2019 09:49:05 +00:00".
  1073. [00:13:55] Current: 69747, peak: 86754, connected: 10, disconnected: 0, rate: 10/s
  1074. [00:13:57] Current: 69808, peak: 86754, connected: 61, disconnected: 0, rate: 61/s
  1075. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  1076. Heartbeat took longer than "00:00:01" at "05/21/2019 09:49:07 +00:00".
  1077. [00:13:58] Current: 69945, peak: 86754, connected: 137, disconnected: 0, rate: 137/s
  1078. [00:13:59] Current: 69949, peak: 86754, connected: 4, disconnected: 0, rate: 4/s
  1079. [00:14:00] Current: 70038, peak: 86754, connected: 89, disconnected: 0, rate: 89/s
  1080. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  1081. Heartbeat took longer than "00:00:01" at "05/21/2019 09:49:10 +00:00".
  1082. [00:14:01] Current: 70147, peak: 86754, connected: 109, disconnected: 0, rate: 109/s
  1083. [00:14:03] Current: 70457, peak: 86754, connected: 310, disconnected: 0, rate: 310/s
  1084. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  1085. Heartbeat took longer than "00:00:01" at "05/21/2019 09:49:13 +00:00".
  1086. [00:14:04] Current: 70679, peak: 86754, connected: 222, disconnected: 0, rate: 222/s
  1087. [00:14:05] Current: 71028, peak: 86754, connected: 349, disconnected: 0, rate: 349/s
  1088. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  1089. Heartbeat took longer than "00:00:01" at "05/21/2019 09:49:15 +00:00".
  1090. [00:14:06] Current: 71065, peak: 86754, connected: 37, disconnected: 0, rate: 37/s
  1091. [00:14:07] Current: 71109, peak: 86754, connected: 44, disconnected: 0, rate: 44/s
  1092. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  1093. Heartbeat took longer than "00:00:01" at "05/21/2019 09:49:17 +00:00".
  1094. [00:14:08] Current: 71171, peak: 86754, connected: 62, disconnected: 0, rate: 62/s
  1095. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  1096. Heartbeat took longer than "00:00:01" at "05/21/2019 09:49:19 +00:00".
  1097. [00:14:09] Current: 71218, peak: 86754, connected: 47, disconnected: 0, rate: 47/s
  1098. [00:14:11] Current: 71218, peak: 86754, connected: 0, disconnected: 0, rate: 0/s
  1099. [00:14:12] Current: 71224, peak: 86754, connected: 6, disconnected: 0, rate: 6/s
  1100. [00:14:13] Current: 71238, peak: 86754, connected: 14, disconnected: 0, rate: 14/s
  1101. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  1102. Heartbeat took longer than "00:00:01" at "05/21/2019 09:49:23 +00:00".
  1103. [00:14:14] Current: 71254, peak: 86754, connected: 16, disconnected: 0, rate: 16/s
  1104. [00:14:15] Current: 71314, peak: 86754, connected: 60, disconnected: 0, rate: 60/s
  1105. [00:14:16] Current: 71329, peak: 86754, connected: 15, disconnected: 0, rate: 15/s
  1106. [00:14:17] Current: 71418, peak: 86754, connected: 89, disconnected: 0, rate: 89/s
  1107. [00:14:18] Current: 71439, peak: 86754, connected: 21, disconnected: 0, rate: 21/s
  1108. [00:14:19] Current: 71478, peak: 86754, connected: 39, disconnected: 0, rate: 39/s
  1109. [00:14:20] Current: 71518, peak: 86754, connected: 40, disconnected: 0, rate: 40/s
  1110. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  1111. Heartbeat took longer than "00:00:01" at "05/21/2019 09:49:30 +00:00".
  1112. [00:14:21] Current: 71639, peak: 86754, connected: 121, disconnected: 0, rate: 121/s
  1113. [00:14:22] Current: 71639, peak: 86754, connected: 0, disconnected: 0, rate: 0/s
  1114. [00:14:23] Current: 71639, peak: 86754, connected: 0, disconnected: 0, rate: 0/s
  1115. [00:14:25] Current: 71639, peak: 86754, connected: 0, disconnected: 0, rate: 0/s
  1116. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  1117. Heartbeat took longer than "00:00:01" at "05/21/2019 09:49:34 +00:00".
  1118. [00:14:26] Current: 71639, peak: 86754, connected: 0, disconnected: 0, rate: 0/s
  1119. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  1120. Heartbeat took longer than "00:00:01" at "05/21/2019 09:49:36 +00:00".
  1121. [00:14:27] Current: 71639, peak: 86754, connected: 0, disconnected: 0, rate: 0/s
  1122. [00:14:28] Current: 71639, peak: 86754, connected: 0, disconnected: 0, rate: 0/s
  1123. [00:14:29] Current: 71685, peak: 86754, connected: 46, disconnected: 0, rate: 46/s
  1124. [00:14:30] Current: 71685, peak: 86754, connected: 0, disconnected: 0, rate: 0/s
  1125. [00:14:31] Current: 71718, peak: 86754, connected: 33, disconnected: 0, rate: 33/s
  1126. [00:14:32] Current: 71814, peak: 86754, connected: 96, disconnected: 0, rate: 96/s
  1127. [00:14:33] Current: 71814, peak: 86754, connected: 0, disconnected: 0, rate: 0/s
  1128. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  1129. Heartbeat took longer than "00:00:01" at "05/21/2019 09:49:43 +00:00".
  1130. [00:14:34] Current: 71839, peak: 86754, connected: 25, disconnected: 0, rate: 25/s
  1131. [00:14:35] Current: 71839, peak: 86754, connected: 0, disconnected: 0, rate: 0/s
  1132. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  1133. Heartbeat took longer than "00:00:01" at "05/21/2019 09:49:45 +00:00".
  1134. [00:14:37] Current: 71845, peak: 86754, connected: 6, disconnected: 0, rate: 6/s
  1135. [00:14:38] Current: 71845, peak: 86754, connected: 0, disconnected: 0, rate: 0/s
  1136. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  1137. Heartbeat took longer than "00:00:01" at "05/21/2019 09:49:48 +00:00".
  1138. [00:14:39] Current: 71888, peak: 86754, connected: 43, disconnected: 0, rate: 43/s
  1139. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  1140. Heartbeat took longer than "00:00:01" at "05/21/2019 09:49:49 +00:00".
  1141. [00:14:40] Current: 71889, peak: 86754, connected: 1, disconnected: 0, rate: 1/s
  1142. [00:14:41] Current: 71889, peak: 86754, connected: 0, disconnected: 0, rate: 0/s
  1143. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  1144. Heartbeat took longer than "00:00:01" at "05/21/2019 09:49:51 +00:00".
  1145. [00:14:42] Current: 72015, peak: 86754, connected: 126, disconnected: 0, rate: 126/s
  1146. [00:14:43] Current: 72015, peak: 86754, connected: 0, disconnected: 0, rate: 0/s
  1147. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  1148. Heartbeat took longer than "00:00:01" at "05/21/2019 09:49:53 +00:00".
  1149. [00:14:44] Current: 72015, peak: 86754, connected: 0, disconnected: 0, rate: 0/s
  1150. [00:14:45] Current: 72032, peak: 86754, connected: 17, disconnected: 0, rate: 17/s
  1151. [00:14:47] Current: 72034, peak: 86754, connected: 2, disconnected: 0, rate: 2/s
  1152. [00:14:48] Current: 72034, peak: 86754, connected: 0, disconnected: 0, rate: 0/s
  1153. [00:14:49] Current: 72039, peak: 86754, connected: 5, disconnected: 0, rate: 5/s
  1154. [00:14:50] Current: 72039, peak: 86754, connected: 0, disconnected: 0, rate: 0/s
  1155. [00:14:51] Current: 72039, peak: 86754, connected: 0, disconnected: 0, rate: 0/s
  1156. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  1157. Heartbeat took longer than "00:00:01" at "05/21/2019 09:50:01 +00:00".
  1158. [00:14:52] Current: 72039, peak: 86754, connected: 0, disconnected: 0, rate: 0/s
  1159. [00:14:53] Current: 72039, peak: 86754, connected: 0, disconnected: 0, rate: 0/s
  1160. [00:14:54] Current: 72039, peak: 86754, connected: 0, disconnected: 0, rate: 0/s
  1161. [00:14:55] Current: 72042, peak: 86754, connected: 3, disconnected: 0, rate: 3/s
  1162. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  1163. Heartbeat took longer than "00:00:01" at "05/21/2019 09:50:05 +00:00".
  1164. [00:14:56] Current: 72043, peak: 86754, connected: 1, disconnected: 0, rate: 1/s
  1165. [00:14:57] Current: 72043, peak: 86754, connected: 0, disconnected: 0, rate: 0/s
  1166. [00:14:58] Current: 72045, peak: 86754, connected: 2, disconnected: 0, rate: 2/s
  1167. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  1168. Heartbeat took longer than "00:00:01" at "05/21/2019 09:50:08 +00:00".
  1169. [00:14:59] Current: 72050, peak: 86754, connected: 5, disconnected: 0, rate: 5/s
  1170. [00:15:00] Current: 72050, peak: 86754, connected: 0, disconnected: 0, rate: 0/s
  1171. [00:15:01] Current: 72050, peak: 86754, connected: 0, disconnected: 0, rate: 0/s
  1172. [00:15:02] Current: 72050, peak: 86754, connected: 0, disconnected: 0, rate: 0/s
  1173. [00:15:04] Current: 72050, peak: 86754, connected: 0, disconnected: 0, rate: 0/s
  1174. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  1175. Heartbeat took longer than "00:00:01" at "05/21/2019 09:50:14 +00:00".
  1176. [00:15:05] Current: 72051, peak: 86754, connected: 1, disconnected: 0, rate: 1/s
  1177. [00:15:06] Current: 72093, peak: 86754, connected: 42, disconnected: 0, rate: 42/s
  1178. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  1179. Heartbeat took longer than "00:00:01" at "05/21/2019 09:50:16 +00:00".
  1180. [00:15:08] Current: 72093, peak: 86754, connected: 0, disconnected: 0, rate: 0/s
  1181. [00:15:09] Current: 72094, peak: 86754, connected: 1, disconnected: 0, rate: 1/s
  1182. [00:15:10] Current: 72215, peak: 86754, connected: 121, disconnected: 0, rate: 121/s
  1183. [00:15:11] Current: 72215, peak: 86754, connected: 0, disconnected: 0, rate: 0/s
  1184. [00:15:12] Current: 72215, peak: 86754, connected: 0, disconnected: 0, rate: 0/s
  1185. [00:15:14] Current: 72215, peak: 86754, connected: 0, disconnected: 0, rate: 0/s
  1186. [00:15:15] Current: 72234, peak: 86754, connected: 19, disconnected: 0, rate: 19/s
  1187. [00:15:16] Current: 72234, peak: 86754, connected: 0, disconnected: 0, rate: 0/s
  1188. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  1189. Heartbeat took longer than "00:00:01" at "05/21/2019 09:50:26 +00:00".
  1190. [00:15:17] Current: 72239, peak: 86754, connected: 5, disconnected: 0, rate: 5/s
  1191. [00:15:18] Current: 72239, peak: 86754, connected: 0, disconnected: 0, rate: 0/s
  1192. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  1193. Heartbeat took longer than "00:00:01" at "05/21/2019 09:50:28 +00:00".
  1194. [00:15:20] Current: 72250, peak: 86754, connected: 11, disconnected: 0, rate: 11/s
  1195. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  1196. Heartbeat took longer than "00:00:01" at "05/21/2019 09:50:30 +00:00".
  1197. [00:15:21] Current: 72250, peak: 86754, connected: 0, disconnected: 0, rate: 0/s
  1198. [00:15:22] Current: 72293, peak: 86754, connected: 43, disconnected: 0, rate: 43/s
  1199. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  1200. Heartbeat took longer than "00:00:01" at "05/21/2019 09:50:32 +00:00".
  1201. [00:15:23] Current: 72294, peak: 86754, connected: 1, disconnected: 0, rate: 1/s
  1202. [00:15:24] Current: 72415, peak: 86754, connected: 121, disconnected: 0, rate: 121/s
  1203. [00:15:25] Current: 72415, peak: 86754, connected: 0, disconnected: 0, rate: 0/s
  1204. [00:15:27] Current: 72435, peak: 86754, connected: 20, disconnected: 0, rate: 20/s
  1205. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  1206. Heartbeat took longer than "00:00:01" at "05/21/2019 09:50:37 +00:00".
  1207. [00:15:29] Current: 72435, peak: 86754, connected: 0, disconnected: 0, rate: 0/s
  1208. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  1209. Heartbeat took longer than "00:00:01" at "05/21/2019 09:50:39 +00:00".
  1210. [00:15:30] Current: 72446, peak: 86754, connected: 11, disconnected: 0, rate: 11/s
  1211. [00:15:31] Current: 72458, peak: 86754, connected: 12, disconnected: 0, rate: 12/s
  1212. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  1213. Heartbeat took longer than "00:00:01" at "05/21/2019 09:50:41 +00:00".
  1214. [00:15:32] Current: 72458, peak: 86754, connected: 0, disconnected: 0, rate: 0/s
  1215. [00:15:34] Current: 72615, peak: 86754, connected: 157, disconnected: 0, rate: 157/s
  1216. [00:15:35] Current: 72617, peak: 86754, connected: 2, disconnected: 0, rate: 2/s
  1217. [00:15:36] Current: 72635, peak: 86754, connected: 18, disconnected: 0, rate: 18/s
  1218. [00:15:37] Current: 72635, peak: 86754, connected: 0, disconnected: 0, rate: 0/s
  1219. [00:15:38] Current: 72729, peak: 86754, connected: 94, disconnected: 0, rate: 94/s
  1220. [00:15:39] Current: 72849, peak: 86754, connected: 120, disconnected: 0, rate: 120/s
  1221. [00:15:40] Current: 73107, peak: 86754, connected: 258, disconnected: 0, rate: 258/s
  1222. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  1223. Heartbeat took longer than "00:00:01" at "05/21/2019 09:50:50 +00:00".
  1224. [00:15:41] Current: 73122, peak: 86754, connected: 15, disconnected: 0, rate: 15/s
  1225. [00:15:42] Current: 73262, peak: 86754, connected: 140, disconnected: 0, rate: 140/s
  1226. [00:15:43] Current: 73316, peak: 86754, connected: 54, disconnected: 0, rate: 54/s
  1227. [00:15:44] Current: 73425, peak: 86754, connected: 109, disconnected: 0, rate: 109/s
  1228. [00:15:45] Current: 73462, peak: 86754, connected: 37, disconnected: 0, rate: 37/s
  1229. [00:15:46] Current: 73516, peak: 86754, connected: 54, disconnected: 0, rate: 54/s
  1230. [00:15:48] Current: 73931, peak: 86754, connected: 415, disconnected: 0, rate: 415/s
  1231. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  1232. Heartbeat took longer than "00:00:01" at "05/21/2019 09:50:58 +00:00".
  1233. [00:15:49] Current: 74045, peak: 86754, connected: 114, disconnected: 0, rate: 114/s
  1234. [00:15:50] Current: 74077, peak: 86754, connected: 32, disconnected: 0, rate: 32/s
  1235. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  1236. Heartbeat took longer than "00:00:01" at "05/21/2019 09:51:00 +00:00".
  1237. [00:15:51] Current: 74111, peak: 86754, connected: 34, disconnected: 0, rate: 34/s
  1238. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  1239. Heartbeat took longer than "00:00:01" at "05/21/2019 09:51:02 +00:00".
  1240. [00:15:52] Current: 74128, peak: 86754, connected: 17, disconnected: 0, rate: 17/s
  1241. [00:15:54] Current: 74128, peak: 86754, connected: 0, disconnected: 0, rate: 0/s
  1242. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  1243. Heartbeat took longer than "00:00:01" at "05/21/2019 09:51:04 +00:00".
  1244. [00:15:55] Current: 74134, peak: 86754, connected: 6, disconnected: 0, rate: 6/s
  1245. [00:15:56] Current: 74135, peak: 86754, connected: 1, disconnected: 0, rate: 1/s
  1246. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  1247. Heartbeat took longer than "00:00:01" at "05/21/2019 09:51:06 +00:00".
  1248. [00:15:57] Current: 74135, peak: 86754, connected: 0, disconnected: 0, rate: 0/s
  1249. [00:15:58] Current: 74135, peak: 86754, connected: 0, disconnected: 0, rate: 0/s
  1250. [00:15:59] Current: 74277, peak: 86754, connected: 142, disconnected: 0, rate: 142/s
  1251. [00:16:00] Current: 74277, peak: 86754, connected: 0, disconnected: 0, rate: 0/s
  1252. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  1253. Heartbeat took longer than "00:00:01" at "05/21/2019 09:51:10 +00:00".
  1254. [00:16:01] Current: 74277, peak: 86754, connected: 0, disconnected: 0, rate: 0/s
  1255. [00:16:02] Current: 74277, peak: 86754, connected: 0, disconnected: 0, rate: 0/s
  1256. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  1257. Heartbeat took longer than "00:00:01" at "05/21/2019 09:51:13 +00:00".
  1258. [00:16:03] Current: 74291, peak: 86754, connected: 14, disconnected: 0, rate: 14/s
  1259. [00:16:05] Current: 74328, peak: 86754, connected: 37, disconnected: 0, rate: 37/s
  1260. [00:16:06] Current: 74328, peak: 86754, connected: 0, disconnected: 0, rate: 0/s
  1261. [00:16:07] Current: 74335, peak: 86754, connected: 7, disconnected: 0, rate: 7/s
  1262. [00:16:08] Current: 74335, peak: 86754, connected: 0, disconnected: 0, rate: 0/s
  1263. [00:16:09] Current: 74335, peak: 86754, connected: 0, disconnected: 0, rate: 0/s
  1264. [00:16:10] Current: 74335, peak: 86754, connected: 0, disconnected: 0, rate: 0/s
  1265. [00:16:11] Current: 74477, peak: 86754, connected: 142, disconnected: 0, rate: 142/s
  1266. [00:16:12] Current: 74477, peak: 86754, connected: 0, disconnected: 0, rate: 0/s
  1267. [00:16:14] Current: 74528, peak: 86754, connected: 51, disconnected: 0, rate: 51/s
  1268. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  1269. Heartbeat took longer than "00:00:01" at "05/21/2019 09:51:24 +00:00".
  1270. [00:16:15] Current: 74528, peak: 86754, connected: 0, disconnected: 0, rate: 0/s
  1271. [00:16:16] Current: 74540, peak: 86754, connected: 12, disconnected: 0, rate: 12/s
  1272. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  1273. Heartbeat took longer than "00:00:01" at "05/21/2019 09:51:26 +00:00".
  1274. [00:16:17] Current: 74540, peak: 86754, connected: 0, disconnected: 0, rate: 0/s
  1275. [00:16:18] Current: 74679, peak: 86754, connected: 139, disconnected: 0, rate: 139/s
  1276. [00:16:19] Current: 74685, peak: 86754, connected: 6, disconnected: 0, rate: 6/s
  1277. [00:16:21] Current: 74728, peak: 86754, connected: 43, disconnected: 0, rate: 43/s
  1278. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  1279. Heartbeat took longer than "00:00:01" at "05/21/2019 09:51:31 +00:00".
  1280. [00:16:22] Current: 74728, peak: 86754, connected: 0, disconnected: 0, rate: 0/s
  1281. [00:16:23] Current: 74728, peak: 86754, connected: 0, disconnected: 0, rate: 0/s
  1282. [00:16:25] Current: 74741, peak: 86754, connected: 13, disconnected: 0, rate: 13/s
  1283. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  1284. Heartbeat took longer than "00:00:01" at "05/21/2019 09:51:35 +00:00".
  1285. [00:16:26] Current: 74741, peak: 86754, connected: 0, disconnected: 0, rate: 0/s
  1286. [00:16:27] Current: 74880, peak: 86754, connected: 139, disconnected: 0, rate: 139/s
  1287. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  1288. Heartbeat took longer than "00:00:01" at "05/21/2019 09:51:37 +00:00".
  1289. [00:16:29] Current: 74880, peak: 86754, connected: 0, disconnected: 0, rate: 0/s
  1290. [00:16:30] Current: 74929, peak: 86754, connected: 49, disconnected: 0, rate: 49/s
  1291. [00:16:31] Current: 74929, peak: 86754, connected: 0, disconnected: 0, rate: 0/s
  1292. [00:16:32] Current: 74929, peak: 86754, connected: 0, disconnected: 0, rate: 0/s
  1293. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  1294. Heartbeat took longer than "00:00:01" at "05/21/2019 09:51:42 +00:00".
  1295. [00:16:33] Current: 74941, peak: 86754, connected: 12, disconnected: 0, rate: 12/s
  1296. [00:16:34] Current: 74941, peak: 86754, connected: 0, disconnected: 0, rate: 0/s
  1297. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  1298. Heartbeat took longer than "00:00:01" at "05/21/2019 09:51:44 +00:00".
  1299. [00:16:36] Current: 75080, peak: 86754, connected: 139, disconnected: 0, rate: 139/s
  1300. [00:16:37] Current: 75093, peak: 86754, connected: 13, disconnected: 0, rate: 13/s
  1301. [00:16:38] Current: 75132, peak: 86754, connected: 39, disconnected: 0, rate: 39/s
  1302. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  1303. Heartbeat took longer than "00:00:01" at "05/21/2019 09:51:48 +00:00".
  1304. [00:16:39] Current: 75141, peak: 86754, connected: 9, disconnected: 0, rate: 9/s
  1305. [00:16:40] Current: 75223, peak: 86754, connected: 82, disconnected: 0, rate: 82/s
  1306. [00:16:41] Current: 75286, peak: 86754, connected: 63, disconnected: 0, rate: 63/s
  1307. [00:16:43] Current: 75807, peak: 86754, connected: 521, disconnected: 0, rate: 521/s
  1308. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  1309. Heartbeat took longer than "00:00:01" at "05/21/2019 09:51:53 +00:00".
  1310. [00:16:44] Current: 75842, peak: 86754, connected: 35, disconnected: 0, rate: 35/s
  1311. [00:16:45] Current: 75979, peak: 86754, connected: 137, disconnected: 0, rate: 137/s
  1312. [00:16:46] Current: 76059, peak: 86754, connected: 80, disconnected: 0, rate: 80/s
  1313. [00:16:47] Current: 76184, peak: 86754, connected: 125, disconnected: 0, rate: 125/s
  1314. [00:16:49] Current: 76248, peak: 86754, connected: 64, disconnected: 0, rate: 64/s
  1315. [00:16:50] Current: 76303, peak: 86754, connected: 55, disconnected: 0, rate: 55/s
  1316. [00:16:51] Current: 76324, peak: 86754, connected: 21, disconnected: 0, rate: 21/s
  1317. [00:16:52] Current: 76324, peak: 86754, connected: 0, disconnected: 0, rate: 0/s
  1318. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  1319. Heartbeat took longer than "00:00:01" at "05/21/2019 09:52:02 +00:00".
  1320. [00:16:53] Current: 76379, peak: 86754, connected: 55, disconnected: 0, rate: 55/s
  1321. [00:16:54] Current: 76379, peak: 86754, connected: 0, disconnected: 0, rate: 0/s
  1322. [00:16:56] Current: 76379, peak: 86754, connected: 0, disconnected: 0, rate: 0/s
  1323. [00:16:57] Current: 76383, peak: 86754, connected: 4, disconnected: 0, rate: 4/s
  1324. [00:16:58] Current: 76383, peak: 86754, connected: 0, disconnected: 0, rate: 0/s
  1325. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  1326. Heartbeat took longer than "00:00:01" at "05/21/2019 09:52:09 +00:00".
  1327. [00:16:59] Current: 76384, peak: 86754, connected: 1, disconnected: 0, rate: 1/s
  1328. [00:17:00] Current: 76384, peak: 86754, connected: 0, disconnected: 0, rate: 0/s
  1329. [00:17:01] Current: 76384, peak: 86754, connected: 0, disconnected: 0, rate: 0/s
  1330. [00:17:02] Current: 76386, peak: 86754, connected: 2, disconnected: 0, rate: 2/s
  1331. [00:17:03] Current: 76386, peak: 86754, connected: 0, disconnected: 0, rate: 0/s
  1332. [00:17:04] Current: 76386, peak: 86754, connected: 0, disconnected: 0, rate: 0/s
  1333. [00:17:06] Current: 76399, peak: 86754, connected: 13, disconnected: 0, rate: 13/s
  1334. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  1335. Heartbeat took longer than "00:00:01" at "05/21/2019 09:52:15 +00:00".
  1336. [00:17:07] Current: 76446, peak: 86754, connected: 47, disconnected: 0, rate: 47/s
  1337. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  1338. Heartbeat took longer than "00:00:01" at "05/21/2019 09:52:17 +00:00".
  1339. [00:17:08] Current: 76446, peak: 86754, connected: 0, disconnected: 0, rate: 0/s
  1340. [00:17:09] Current: 76446, peak: 86754, connected: 0, disconnected: 0, rate: 0/s
  1341. [00:17:10] Current: 76450, peak: 86754, connected: 4, disconnected: 0, rate: 4/s
  1342. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  1343. Heartbeat took longer than "00:00:01" at "05/21/2019 09:52:21 +00:00".
  1344. [00:17:11] Current: 76450, peak: 86754, connected: 0, disconnected: 0, rate: 0/s
  1345. [00:17:12] Current: 76450, peak: 86754, connected: 0, disconnected: 0, rate: 0/s
  1346. [00:17:14] Current: 76503, peak: 86754, connected: 53, disconnected: 0, rate: 53/s
  1347. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  1348. Heartbeat took longer than "00:00:01" at "05/21/2019 09:52:23 +00:00".
  1349. [00:17:15] Current: 76503, peak: 86754, connected: 0, disconnected: 0, rate: 0/s
  1350. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  1351. Heartbeat took longer than "00:00:01" at "05/21/2019 09:52:25 +00:00".
  1352. [00:17:16] Current: 76503, peak: 86754, connected: 0, disconnected: 0, rate: 0/s
  1353. [00:17:17] Current: 76503, peak: 86754, connected: 0, disconnected: 0, rate: 0/s
  1354. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  1355. Heartbeat took longer than "00:00:01" at "05/21/2019 09:52:28 +00:00".
  1356. [00:17:18] Current: 76503, peak: 86754, connected: 0, disconnected: 0, rate: 0/s
  1357. [00:17:19] Current: 76524, peak: 86754, connected: 21, disconnected: 0, rate: 21/s
  1358. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  1359. Heartbeat took longer than "00:00:01" at "05/21/2019 09:52:30 +00:00".
  1360. [00:17:20] Current: 76524, peak: 86754, connected: 0, disconnected: 0, rate: 0/s
  1361. [00:17:21] Current: 76524, peak: 86754, connected: 0, disconnected: 0, rate: 0/s
  1362. [00:17:22] Current: 76524, peak: 86754, connected: 0, disconnected: 0, rate: 0/s
  1363. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  1364. Heartbeat took longer than "00:00:01" at "05/21/2019 09:52:33 +00:00".
  1365. [00:17:23] Current: 76577, peak: 86754, connected: 53, disconnected: 0, rate: 53/s
  1366. [00:17:24] Current: 76579, peak: 86754, connected: 2, disconnected: 0, rate: 2/s
  1367. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  1368. Heartbeat took longer than "00:00:01" at "05/21/2019 09:52:35 +00:00".
  1369. [00:17:25] Current: 76579, peak: 86754, connected: 0, disconnected: 0, rate: 0/s
  1370. [00:17:27] Current: 76580, peak: 86754, connected: 1, disconnected: 0, rate: 1/s
  1371. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  1372. Heartbeat took longer than "00:00:01" at "05/21/2019 09:52:37 +00:00".
  1373. [00:17:28] Current: 76584, peak: 86754, connected: 4, disconnected: 0, rate: 4/s
  1374. [00:17:30] Current: 76584, peak: 86754, connected: 0, disconnected: 0, rate: 0/s
  1375. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  1376. Heartbeat took longer than "00:00:01" at "05/21/2019 09:52:40 +00:00".
  1377. [00:17:31] Current: 76585, peak: 86754, connected: 1, disconnected: 0, rate: 1/s
  1378. [00:17:32] Current: 76585, peak: 86754, connected: 0, disconnected: 0, rate: 0/s
  1379. [00:17:33] Current: 76585, peak: 86754, connected: 0, disconnected: 0, rate: 0/s
  1380. [00:17:34] Current: 76646, peak: 86754, connected: 61, disconnected: 0, rate: 61/s
  1381. [00:17:36] Current: 76646, peak: 86754, connected: 0, disconnected: 0, rate: 0/s
  1382. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  1383. Heartbeat took longer than "00:00:01" at "05/21/2019 09:52:46 +00:00".
  1384. [00:17:37] Current: 76650, peak: 86754, connected: 4, disconnected: 0, rate: 4/s
  1385. [00:17:38] Current: 76650, peak: 86754, connected: 0, disconnected: 0, rate: 0/s
  1386. [00:17:40] Current: 76724, peak: 86754, connected: 74, disconnected: 0, rate: 74/s
  1387. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  1388. Heartbeat took longer than "00:00:01" at "05/21/2019 09:52:50 +00:00".
  1389. [00:17:41] Current: 76779, peak: 86754, connected: 55, disconnected: 0, rate: 55/s
  1390. [00:17:42] Current: 76779, peak: 86754, connected: 0, disconnected: 0, rate: 0/s
  1391. [00:17:43] Current: 76779, peak: 86754, connected: 0, disconnected: 0, rate: 0/s
  1392. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  1393. Heartbeat took longer than "00:00:01" at "05/21/2019 09:52:53 +00:00".
  1394. [00:17:44] Current: 76779, peak: 86754, connected: 0, disconnected: 0, rate: 0/s
  1395. [00:17:46] Current: 76784, peak: 86754, connected: 5, disconnected: 0, rate: 5/s
  1396. [00:17:47] Current: 76785, peak: 86754, connected: 1, disconnected: 0, rate: 1/s
  1397. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  1398. Heartbeat took longer than "00:00:01" at "05/21/2019 09:52:57 +00:00".
  1399. [00:17:48] Current: 76785, peak: 86754, connected: 0, disconnected: 0, rate: 0/s
  1400. [00:17:49] Current: 76829, peak: 86754, connected: 44, disconnected: 0, rate: 44/s
  1401. [00:17:50] Current: 76846, peak: 86754, connected: 17, disconnected: 0, rate: 17/s
  1402. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  1403. Heartbeat took longer than "00:00:01" at "05/21/2019 09:53:00 +00:00".
  1404. [00:17:51] Current: 76850, peak: 86754, connected: 4, disconnected: 0, rate: 4/s
  1405. [00:17:52] Current: 76911, peak: 86754, connected: 61, disconnected: 0, rate: 61/s
  1406. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  1407. Heartbeat took longer than "00:00:01" at "05/21/2019 09:53:02 +00:00".
  1408. [00:17:54] Current: 76923, peak: 86754, connected: 12, disconnected: 0, rate: 12/s
  1409. [00:17:55] Current: 76924, peak: 86754, connected: 1, disconnected: 0, rate: 1/s
  1410. [00:17:56] Current: 76979, peak: 86754, connected: 55, disconnected: 0, rate: 55/s
  1411. [00:17:57] Current: 76979, peak: 86754, connected: 0, disconnected: 0, rate: 0/s
  1412. [00:17:58] Current: 76979, peak: 86754, connected: 0, disconnected: 0, rate: 0/s
  1413. [00:18:00] Current: 76979, peak: 86754, connected: 0, disconnected: 0, rate: 0/s
  1414. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  1415. Heartbeat took longer than "00:00:01" at "05/21/2019 09:53:09 +00:00".
  1416. [00:18:01] Current: 76984, peak: 86754, connected: 5, disconnected: 0, rate: 5/s
  1417. [00:18:02] Current: 76984, peak: 86754, connected: 0, disconnected: 0, rate: 0/s
  1418. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  1419. Heartbeat took longer than "00:00:01" at "05/21/2019 09:53:12 +00:00".
  1420. [00:18:03] Current: 77013, peak: 86754, connected: 29, disconnected: 0, rate: 29/s
  1421. [00:18:04] Current: 77013, peak: 86754, connected: 0, disconnected: 0, rate: 0/s
  1422. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  1423. Heartbeat took longer than "00:00:01" at "05/21/2019 09:53:14 +00:00".
  1424. [00:18:05] Current: 77049, peak: 86754, connected: 36, disconnected: 0, rate: 36/s
  1425. [00:18:06] Current: 77126, peak: 86754, connected: 77, disconnected: 0, rate: 77/s
  1426. [00:18:07] Current: 77132, peak: 86754, connected: 6, disconnected: 0, rate: 6/s
  1427. [00:18:08] Current: 77213, peak: 86754, connected: 81, disconnected: 0, rate: 81/s
  1428. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  1429. Heartbeat took longer than "00:00:01" at "05/21/2019 09:53:19 +00:00".
  1430. [00:18:09] Current: 77213, peak: 86754, connected: 0, disconnected: 0, rate: 0/s
  1431. [00:18:10] Current: 77326, peak: 86754, connected: 113, disconnected: 0, rate: 113/s
  1432. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  1433. Heartbeat took longer than "00:00:01" at "05/21/2019 09:53:21 +00:00".
  1434. [00:18:11] Current: 77326, peak: 86754, connected: 0, disconnected: 0, rate: 0/s
  1435. [00:18:12] Current: 77327, peak: 86754, connected: 1, disconnected: 0, rate: 1/s
  1436. [00:18:13] Current: 77401, peak: 86754, connected: 74, disconnected: 0, rate: 74/s
  1437. [00:18:14] Current: 77419, peak: 86754, connected: 18, disconnected: 0, rate: 18/s
  1438. [00:18:15] Current: 77525, peak: 86754, connected: 106, disconnected: 0, rate: 106/s
  1439. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  1440. Heartbeat took longer than "00:00:01" at "05/21/2019 09:53:26 +00:00".
  1441. [00:18:16] Current: 77535, peak: 86754, connected: 10, disconnected: 0, rate: 10/s
  1442. [00:18:18] Current: 77619, peak: 86754, connected: 84, disconnected: 0, rate: 84/s
  1443. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  1444. Heartbeat took longer than "00:00:01" at "05/21/2019 09:53:28 +00:00".
  1445. [00:18:19] Current: 77620, peak: 86754, connected: 1, disconnected: 0, rate: 1/s
  1446. [00:18:20] Current: 77620, peak: 86754, connected: 0, disconnected: 0, rate: 0/s
  1447. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  1448. Heartbeat took longer than "00:00:01" at "05/21/2019 09:53:30 +00:00".
  1449. [00:18:21] Current: 77735, peak: 86754, connected: 115, disconnected: 0, rate: 115/s
  1450. [00:18:22] Current: 77819, peak: 86754, connected: 84, disconnected: 0, rate: 84/s
  1451. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  1452. Heartbeat took longer than "00:00:01" at "05/21/2019 09:53:32 +00:00".
  1453. [00:18:24] Current: 77866, peak: 86754, connected: 47, disconnected: 0, rate: 47/s
  1454. [00:18:25] Current: 77970, peak: 86754, connected: 104, disconnected: 0, rate: 104/s
  1455. [00:18:26] Current: 77985, peak: 86754, connected: 15, disconnected: 0, rate: 15/s
  1456. [00:18:27] Current: 77994, peak: 86754, connected: 9, disconnected: 0, rate: 9/s
  1457. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  1458. Heartbeat took longer than "00:00:01" at "05/21/2019 09:53:37 +00:00".
  1459. [00:18:28] Current: 78020, peak: 86754, connected: 26, disconnected: 0, rate: 26/s
  1460. [00:18:29] Current: 78020, peak: 86754, connected: 0, disconnected: 0, rate: 0/s
  1461. [00:18:30] Current: 78056, peak: 86754, connected: 36, disconnected: 0, rate: 36/s
  1462. [00:18:31] Current: 78067, peak: 86754, connected: 11, disconnected: 0, rate: 11/s
  1463. [00:18:32] Current: 78195, peak: 86754, connected: 128, disconnected: 0, rate: 128/s
  1464. [00:18:33] Current: 78256, peak: 86754, connected: 61, disconnected: 0, rate: 61/s
  1465. [00:18:35] Current: 78320, peak: 86754, connected: 64, disconnected: 0, rate: 64/s
  1466. [00:18:36] Current: 78320, peak: 86754, connected: 0, disconnected: 0, rate: 0/s
  1467. [00:18:37] Current: 78395, peak: 86754, connected: 75, disconnected: 0, rate: 75/s
  1468. [00:18:38] Current: 78457, peak: 86754, connected: 62, disconnected: 0, rate: 62/s
  1469. [00:18:40] Current: 78457, peak: 86754, connected: 0, disconnected: 0, rate: 0/s
  1470. [00:18:41] Current: 78521, peak: 86754, connected: 64, disconnected: 0, rate: 64/s
  1471. [00:18:42] Current: 78757, peak: 86754, connected: 236, disconnected: 0, rate: 236/s
  1472. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  1473. Heartbeat took longer than "00:00:01" at "05/21/2019 09:53:52 +00:00".
  1474. [00:18:43] Current: 78801, peak: 86754, connected: 44, disconnected: 0, rate: 44/s
  1475. [00:18:44] Current: 78917, peak: 86754, connected: 116, disconnected: 0, rate: 116/s
  1476. [00:18:45] Current: 79277, peak: 86754, connected: 360, disconnected: 0, rate: 360/s
  1477. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  1478. Heartbeat took longer than "00:00:01" at "05/21/2019 09:53:56 +00:00".
  1479. [00:18:47] Current: 79283, peak: 86754, connected: 6, disconnected: 0, rate: 6/s
  1480. [00:18:49] Current: 79313, peak: 86754, connected: 30, disconnected: 0, rate: 30/s
  1481. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  1482. Heartbeat took longer than "00:00:01" at "05/21/2019 09:53:59 +00:00".
  1483. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  1484. Heartbeat took longer than "00:00:01" at "05/21/2019 09:53:59 +00:00".
  1485. [00:18:50] Current: 79475, peak: 86754, connected: 162, disconnected: 0, rate: 162/s
  1486. [00:18:51] Current: 79475, peak: 86754, connected: 0, disconnected: 0, rate: 0/s
  1487. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  1488. Heartbeat took longer than "00:00:01" at "05/21/2019 09:54:01 +00:00".
  1489. [00:18:53] Current: 79475, peak: 86754, connected: 0, disconnected: 0, rate: 0/s
  1490. [00:18:54] Current: 79477, peak: 86754, connected: 2, disconnected: 0, rate: 2/s
  1491. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  1492. Heartbeat took longer than "00:00:01" at "05/21/2019 09:54:04 +00:00".
  1493. [00:18:55] Current: 79477, peak: 86754, connected: 0, disconnected: 0, rate: 0/s
  1494. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  1495. Heartbeat took longer than "00:00:01" at "05/21/2019 09:54:05 +00:00".
  1496. [00:18:57] Current: 79477, peak: 86754, connected: 0, disconnected: 0, rate: 0/s
  1497. [00:18:58] Current: 79483, peak: 86754, connected: 6, disconnected: 0, rate: 6/s
  1498. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  1499. Heartbeat took longer than "00:00:01" at "05/21/2019 09:54:08 +00:00".
  1500. [00:18:59] Current: 79483, peak: 86754, connected: 0, disconnected: 0, rate: 0/s
  1501. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  1502. Heartbeat took longer than "00:00:01" at "05/21/2019 09:54:09 +00:00".
  1503. [00:19:00] Current: 79483, peak: 86754, connected: 0, disconnected: 0, rate: 0/s
  1504. [00:19:01] Current: 79483, peak: 86754, connected: 0, disconnected: 0, rate: 0/s
  1505. [00:19:02] Current: 79487, peak: 86754, connected: 4, disconnected: 0, rate: 4/s
  1506. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  1507. Heartbeat took longer than "00:00:01" at "05/21/2019 09:54:12 +00:00".
  1508. [00:19:05] Current: 79509, peak: 86754, connected: 22, disconnected: 0, rate: 22/s
  1509. [00:19:06] Current: 79622, peak: 86754, connected: 113, disconnected: 0, rate: 113/s
  1510. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  1511. Heartbeat took longer than "00:00:01" at "05/21/2019 09:54:16 +00:00".
  1512. [00:19:09] Current: 79661, peak: 86754, connected: 39, disconnected: 0, rate: 39/s
  1513. [00:19:10] Current: 79661, peak: 86754, connected: 0, disconnected: 0, rate: 0/s
  1514. [00:19:11] Current: 79677, peak: 86754, connected: 16, disconnected: 0, rate: 16/s
  1515. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  1516. Heartbeat took longer than "00:00:01" at "05/21/2019 09:54:21 +00:00".
  1517. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  1518. Heartbeat took longer than "00:00:01" at "05/21/2019 09:54:23 +00:00".
  1519. [00:19:16] Current: 79677, peak: 86754, connected: 0, disconnected: 0, rate: 0/s
  1520. [00:19:17] Current: 79677, peak: 86754, connected: 0, disconnected: 0, rate: 0/s
  1521. [00:19:19] Current: 79677, peak: 86754, connected: 0, disconnected: 0, rate: 0/s
  1522. [00:19:20] Current: 79677, peak: 86754, connected: 0, disconnected: 0, rate: 0/s
  1523. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  1524. Heartbeat took longer than "00:00:01" at "05/21/2019 09:54:30 +00:00".
  1525. [00:19:21] Current: 79677, peak: 86754, connected: 0, disconnected: 0, rate: 0/s
  1526. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  1527. Heartbeat took longer than "00:00:01" at "05/21/2019 09:54:31 +00:00".
  1528. [00:19:22] Current: 79683, peak: 86754, connected: 6, disconnected: 0, rate: 6/s
  1529. [00:19:24] Current: 79683, peak: 86754, connected: 0, disconnected: 0, rate: 0/s
  1530. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  1531. Heartbeat took longer than "00:00:01" at "05/21/2019 09:54:34 +00:00".
  1532. [00:19:25] Current: 79683, peak: 86754, connected: 0, disconnected: 0, rate: 0/s
  1533. [00:19:26] Current: 79683, peak: 86754, connected: 0, disconnected: 0, rate: 0/s
  1534. [00:19:27] Current: 79683, peak: 86754, connected: 0, disconnected: 0, rate: 0/s
  1535. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  1536. Heartbeat took longer than "00:00:01" at "05/21/2019 09:54:37 +00:00".
  1537. [00:19:29] Current: 79683, peak: 86754, connected: 0, disconnected: 0, rate: 0/s
  1538. [00:19:30] Current: 79683, peak: 86754, connected: 0, disconnected: 0, rate: 0/s
  1539. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  1540. Heartbeat took longer than "00:00:01" at "05/21/2019 09:54:40 +00:00".
  1541. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  1542. Heartbeat took longer than "00:00:01" at "05/21/2019 09:54:40 +00:00".
  1543. [00:19:31] Current: 79687, peak: 86754, connected: 4, disconnected: 0, rate: 4/s
  1544. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  1545. Heartbeat took longer than "00:00:01" at "05/21/2019 09:54:41 +00:00".
  1546. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  1547. Heartbeat took longer than "00:00:01" at "05/21/2019 09:54:41 +00:00".
  1548. [00:19:32] Current: 79687, peak: 86754, connected: 0, disconnected: 0, rate: 0/s
  1549. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  1550. Heartbeat took longer than "00:00:01" at "05/21/2019 09:54:42 +00:00".
  1551. [00:19:35] Current: 79861, peak: 86754, connected: 174, disconnected: 0, rate: 174/s
  1552. [00:19:37] Current: 79861, peak: 86754, connected: 0, disconnected: 0, rate: 0/s
  1553. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  1554. Heartbeat took longer than "00:00:01" at "05/21/2019 09:54:46 +00:00".
  1555. [00:19:38] Current: 79855, peak: 86754, connected: 0, disconnected: 6, rate: -6/s
  1556. [00:19:39] Current: 79855, peak: 86754, connected: 0, disconnected: 0, rate: 0/s
  1557. [00:19:40] Current: 79855, peak: 86754, connected: 0, disconnected: 0, rate: 0/s
  1558. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  1559. Heartbeat took longer than "00:00:01" at "05/21/2019 09:54:50 +00:00".
  1560. [00:19:43] Current: 79851, peak: 86754, connected: 0, disconnected: 4, rate: -4/s
  1561. [00:19:44] Current: 79851, peak: 86754, connected: 0, disconnected: 0, rate: 0/s
  1562. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  1563. Heartbeat took longer than "00:00:01" at "05/21/2019 09:54:54 +00:00".
  1564. [00:19:46] Current: 79867, peak: 86754, connected: 16, disconnected: 0, rate: 16/s
  1565. [00:19:47] Current: 79738, peak: 86754, connected: 0, disconnected: 129, rate: -129/s
  1566. [00:19:48] Current: 79738, peak: 86754, connected: 0, disconnected: 0, rate: 0/s
  1567. [00:19:49] Current: 79693, peak: 86754, connected: 0, disconnected: 45, rate: -45/s
  1568. [00:19:50] Current: 79693, peak: 86754, connected: 0, disconnected: 0, rate: 0/s
  1569. [00:19:51] Current: 79693, peak: 86754, connected: 0, disconnected: 0, rate: 0/s
  1570. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  1571. Heartbeat took longer than "00:00:01" at "05/21/2019 09:55:01 +00:00".
  1572. [00:19:52] Current: 79699, peak: 86754, connected: 6, disconnected: 0, rate: 6/s
  1573. [00:19:54] Current: 79699, peak: 86754, connected: 0, disconnected: 0, rate: 0/s
  1574. [00:19:55] Current: 79699, peak: 86754, connected: 0, disconnected: 0, rate: 0/s
  1575. [00:19:56] Current: 79699, peak: 86754, connected: 0, disconnected: 0, rate: 0/s
  1576. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  1577. Heartbeat took longer than "00:00:01" at "05/21/2019 09:55:06 +00:00".
  1578. [00:19:57] Current: 79699, peak: 86754, connected: 0, disconnected: 0, rate: 0/s
  1579. [00:19:58] Current: 79699, peak: 86754, connected: 0, disconnected: 0, rate: 0/s
  1580. [00:19:59] Current: 79826, peak: 86754, connected: 127, disconnected: 0, rate: 127/s
  1581. [00:20:01] Current: 79826, peak: 86754, connected: 0, disconnected: 0, rate: 0/s
  1582. [00:20:02] Current: 79826, peak: 86754, connected: 0, disconnected: 0, rate: 0/s
  1583. [00:20:06] Current: 79826, peak: 86754, connected: 0, disconnected: 0, rate: 0/s
  1584. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  1585. Heartbeat took longer than "00:00:01" at "05/21/2019 09:55:16 +00:00".
  1586. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  1587. Heartbeat took longer than "00:00:01" at "05/21/2019 09:55:16 +00:00".
  1588. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  1589. Heartbeat took longer than "00:00:01" at "05/21/2019 09:55:16 +00:00".
  1590. [00:20:10] Current: 79877, peak: 86754, connected: 51, disconnected: 0, rate: 51/s
  1591. [00:20:11] Current: 79877, peak: 86754, connected: 0, disconnected: 0, rate: 0/s
  1592. [00:20:12] Current: 79877, peak: 86754, connected: 0, disconnected: 0, rate: 0/s
  1593. [00:20:13] Current: 79877, peak: 86754, connected: 0, disconnected: 0, rate: 0/s
  1594. [00:20:14] Current: 79877, peak: 86754, connected: 0, disconnected: 0, rate: 0/s
  1595. [00:20:16] Current: 79889, peak: 86754, connected: 16, disconnected: 4, rate: 12/s
  1596. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  1597. Heartbeat took longer than "00:00:01" at "05/21/2019 09:55:26 +00:00".
  1598. [00:20:18] Current: 79715, peak: 86754, connected: 0, disconnected: 174, rate: -174/s
  1599. [00:20:19] Current: 79721, peak: 86754, connected: 6, disconnected: 0, rate: 6/s
  1600. [00:20:20] Current: 79721, peak: 86754, connected: 0, disconnected: 0, rate: 0/s
  1601. [00:20:21] Current: 79721, peak: 86754, connected: 0, disconnected: 0, rate: 0/s
  1602. [00:20:22] Current: 79848, peak: 86754, connected: 127, disconnected: 0, rate: 127/s
  1603. [00:20:24] Current: 79899, peak: 86754, connected: 51, disconnected: 0, rate: 51/s
  1604. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  1605. Heartbeat took longer than "00:00:01" at "05/21/2019 09:55:34 +00:00".
  1606. [00:20:25] Current: 79899, peak: 86754, connected: 0, disconnected: 0, rate: 0/s
  1607. [00:20:26] Current: 79915, peak: 86754, connected: 16, disconnected: 0, rate: 16/s
  1608. [00:20:27] Current: 79996, peak: 86754, connected: 81, disconnected: 0, rate: 81/s
  1609. [00:20:28] Current: 80046, peak: 86754, connected: 50, disconnected: 0, rate: 50/s
  1610. [00:20:29] Current: 80099, peak: 86754, connected: 53, disconnected: 0, rate: 53/s
  1611. [00:20:30] Current: 80141, peak: 86754, connected: 42, disconnected: 0, rate: 42/s
  1612. [00:20:31] Current: 80628, peak: 86754, connected: 487, disconnected: 0, rate: 487/s
  1613. [00:20:33] Current: 80962, peak: 86754, connected: 334, disconnected: 0, rate: 334/s
  1614. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  1615. Heartbeat took longer than "00:00:01" at "05/21/2019 09:55:43 +00:00".
  1616. [00:20:34] Current: 80991, peak: 86754, connected: 29, disconnected: 0, rate: 29/s
  1617. [00:20:35] Current: 81136, peak: 86754, connected: 145, disconnected: 0, rate: 145/s
  1618. [00:20:36] Current: 81165, peak: 86754, connected: 29, disconnected: 0, rate: 29/s
  1619. [00:20:37] Current: 81474, peak: 86754, connected: 309, disconnected: 0, rate: 309/s
  1620. [00:20:38] Current: 82267, peak: 86754, connected: 793, disconnected: 0, rate: 793/s
  1621. [00:20:39] Current: 82683, peak: 86754, connected: 416, disconnected: 0, rate: 416/s
  1622. [00:20:42] Current: 82895, peak: 86754, connected: 212, disconnected: 0, rate: 212/s
  1623. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  1624. Heartbeat took longer than "00:00:01" at "05/21/2019 09:55:51 +00:00".
  1625. [00:20:43] Current: 82954, peak: 86754, connected: 59, disconnected: 0, rate: 59/s
  1626. [00:20:44] Current: 83017, peak: 86754, connected: 63, disconnected: 0, rate: 63/s
  1627. [00:20:45] Current: 83083, peak: 86754, connected: 66, disconnected: 0, rate: 66/s
  1628. [00:20:46] Current: 83097, peak: 86754, connected: 14, disconnected: 0, rate: 14/s
  1629. [00:20:47] Current: 83234, peak: 86754, connected: 137, disconnected: 0, rate: 137/s
  1630. [00:20:48] Current: 83866, peak: 86754, connected: 632, disconnected: 0, rate: 632/s
  1631. [00:20:50] Current: 84234, peak: 86754, connected: 368, disconnected: 0, rate: 368/s
  1632. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  1633. Heartbeat took longer than "00:00:01" at "05/21/2019 09:56:00 +00:00".
  1634. [00:20:51] Current: 84269, peak: 86754, connected: 35, disconnected: 0, rate: 35/s
  1635. [00:20:52] Current: 84346, peak: 86754, connected: 77, disconnected: 0, rate: 77/s
  1636. [00:20:53] Current: 84425, peak: 86754, connected: 79, disconnected: 0, rate: 79/s
  1637. [00:20:55] Current: 84425, peak: 86754, connected: 0, disconnected: 0, rate: 0/s
  1638. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  1639. Heartbeat took longer than "00:00:01" at "05/21/2019 09:56:05 +00:00".
  1640. [00:20:56] Current: 84425, peak: 86754, connected: 0, disconnected: 0, rate: 0/s
  1641. [00:20:57] Current: 84425, peak: 86754, connected: 0, disconnected: 0, rate: 0/s
  1642. [00:20:58] Current: 84434, peak: 86754, connected: 9, disconnected: 0, rate: 9/s
  1643. [00:20:59] Current: 84546, peak: 86754, connected: 112, disconnected: 0, rate: 112/s
  1644. [00:21:00] Current: 84600, peak: 86754, connected: 54, disconnected: 0, rate: 54/s
  1645. [00:21:01] Current: 84624, peak: 86754, connected: 24, disconnected: 0, rate: 24/s
  1646. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  1647. Heartbeat took longer than "00:00:01" at "05/21/2019 09:56:13 +00:00".
  1648. [00:21:03] Current: 84626, peak: 86754, connected: 2, disconnected: 0, rate: 2/s
  1649. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  1650. Heartbeat took longer than "00:00:01" at "05/21/2019 09:56:13 +00:00".
  1651. [00:21:04] Current: 84632, peak: 86754, connected: 6, disconnected: 0, rate: 6/s
  1652. [00:21:05] Current: 84824, peak: 86754, connected: 192, disconnected: 0, rate: 192/s
  1653. [00:21:06] Current: 85050, peak: 86754, connected: 226, disconnected: 0, rate: 226/s
  1654. [00:21:07] Current: 85321, peak: 86754, connected: 271, disconnected: 0, rate: 271/s
  1655. [00:21:08] Current: 85365, peak: 86754, connected: 44, disconnected: 0, rate: 44/s
  1656. [00:21:09] Current: 85882, peak: 86754, connected: 517, disconnected: 0, rate: 517/s
  1657. [00:21:10] Current: 86557, peak: 86754, connected: 675, disconnected: 0, rate: 675/s
  1658. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  1659. Heartbeat took longer than "00:00:01" at "05/21/2019 09:56:21 +00:00".
  1660. [00:21:12] Current: 86612, peak: 86754, connected: 55, disconnected: 0, rate: 55/s
  1661. [00:21:13] Current: 86663, peak: 86754, connected: 51, disconnected: 0, rate: 51/s
  1662. [00:21:14] Current: 86751, peak: 86754, connected: 88, disconnected: 0, rate: 88/s
  1663. [00:21:15] Current: 86756, peak: 86756, connected: 5, disconnected: 0, rate: 5/s
  1664. [00:21:16] Current: 86775, peak: 86775, connected: 19, disconnected: 0, rate: 19/s
  1665. [00:21:17] Current: 86789, peak: 86789, connected: 14, disconnected: 0, rate: 14/s
  1666. [00:21:18] Current: 86843, peak: 86843, connected: 54, disconnected: 0, rate: 54/s
  1667. [00:21:19] Current: 87071, peak: 87071, connected: 228, disconnected: 0, rate: 228/s
  1668. [00:21:21] Current: 87541, peak: 87541, connected: 470, disconnected: 0, rate: 470/s
  1669. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  1670. Heartbeat took longer than "00:00:01" at "05/21/2019 09:56:31 +00:00".
  1671. [00:21:23] Current: 87618, peak: 87618, connected: 77, disconnected: 0, rate: 77/s
  1672. [00:21:24] Current: 87622, peak: 87622, connected: 4, disconnected: 0, rate: 4/s
  1673. [00:21:25] Current: 87737, peak: 87737, connected: 115, disconnected: 0, rate: 115/s
  1674. [00:21:26] Current: 87743, peak: 87743, connected: 6, disconnected: 0, rate: 6/s
  1675. [00:21:27] Current: 88148, peak: 88148, connected: 405, disconnected: 0, rate: 405/s
  1676. [00:21:28] Current: 88693, peak: 88693, connected: 545, disconnected: 0, rate: 545/s
  1677. [00:21:30] Current: 88752, peak: 88752, connected: 59, disconnected: 0, rate: 59/s
  1678. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  1679. Heartbeat took longer than "00:00:01" at "05/21/2019 09:56:40 +00:00".
  1680. [00:21:32] Current: 88798, peak: 88798, connected: 46, disconnected: 0, rate: 46/s
  1681. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  1682. Heartbeat took longer than "00:00:01" at "05/21/2019 09:56:42 +00:00".
  1683. [00:21:33] Current: 88819, peak: 88819, connected: 21, disconnected: 0, rate: 21/s
  1684. [00:21:34] Current: 88819, peak: 88819, connected: 0, disconnected: 0, rate: 0/s
  1685. [00:21:35] Current: 88820, peak: 88820, connected: 1, disconnected: 0, rate: 1/s
  1686. [00:21:36] Current: 88821, peak: 88821, connected: 1, disconnected: 0, rate: 1/s
  1687. [00:21:37] Current: 88884, peak: 88884, connected: 63, disconnected: 0, rate: 63/s
  1688. [00:21:39] Current: 88996, peak: 88996, connected: 112, disconnected: 0, rate: 112/s
  1689. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  1690. Heartbeat took longer than "00:00:01" at "05/21/2019 09:56:49 +00:00".
  1691. [00:21:40] Current: 89010, peak: 89010, connected: 14, disconnected: 0, rate: 14/s
  1692. [00:21:41] Current: 89065, peak: 89065, connected: 55, disconnected: 0, rate: 55/s
  1693. [00:21:42] Current: 89090, peak: 89090, connected: 25, disconnected: 0, rate: 25/s
  1694. [00:21:43] Current: 89178, peak: 89178, connected: 88, disconnected: 0, rate: 88/s
  1695. [00:21:44] Current: 89297, peak: 89297, connected: 119, disconnected: 0, rate: 119/s
  1696. [00:21:45] Current: 89371, peak: 89371, connected: 74, disconnected: 0, rate: 74/s
  1697. [00:21:48] Current: 89423, peak: 89423, connected: 52, disconnected: 0, rate: 52/s
  1698. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  1699. Heartbeat took longer than "00:00:01" at "05/21/2019 09:56:57 +00:00".
  1700. [00:21:49] Current: 89450, peak: 89450, connected: 27, disconnected: 0, rate: 27/s
  1701. [00:21:50] Current: 89450, peak: 89450, connected: 0, disconnected: 0, rate: 0/s
  1702. [00:21:51] Current: 89477, peak: 89477, connected: 27, disconnected: 0, rate: 27/s
  1703. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  1704. Heartbeat took longer than "00:00:01" at "05/21/2019 09:57:01 +00:00".
  1705. [00:21:52] Current: 89477, peak: 89477, connected: 0, disconnected: 0, rate: 0/s
  1706. [00:21:53] Current: 89477, peak: 89477, connected: 0, disconnected: 0, rate: 0/s
  1707. [00:21:54] Current: 89557, peak: 89557, connected: 80, disconnected: 0, rate: 80/s
  1708. [00:21:56] Current: 89558, peak: 89558, connected: 1, disconnected: 0, rate: 1/s
  1709. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  1710. Heartbeat took longer than "00:00:01" at "05/21/2019 09:57:06 +00:00".
  1711. [00:21:57] Current: 89558, peak: 89558, connected: 0, disconnected: 0, rate: 0/s
  1712. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  1713. Heartbeat took longer than "00:00:01" at "05/21/2019 09:57:08 +00:00".
  1714. [00:21:58] Current: 89626, peak: 89626, connected: 68, disconnected: 0, rate: 68/s
  1715. [00:21:59] Current: 89634, peak: 89634, connected: 8, disconnected: 0, rate: 8/s
  1716. [00:22:00] Current: 89661, peak: 89661, connected: 27, disconnected: 0, rate: 27/s
  1717. [00:22:01] Current: 89661, peak: 89661, connected: 0, disconnected: 0, rate: 0/s
  1718. [00:22:02] Current: 89678, peak: 89678, connected: 17, disconnected: 0, rate: 17/s
  1719. [00:22:03] Current: 89742, peak: 89742, connected: 64, disconnected: 0, rate: 64/s
  1720. [00:22:05] Current: 89818, peak: 89818, connected: 76, disconnected: 0, rate: 76/s
  1721. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  1722. Heartbeat took longer than "00:00:01" at "05/21/2019 09:57:15 +00:00".
  1723. [00:22:06] Current: 89818, peak: 89818, connected: 0, disconnected: 0, rate: 0/s
  1724. [00:22:07] Current: 89845, peak: 89845, connected: 27, disconnected: 0, rate: 27/s
  1725. [00:22:08] Current: 89845, peak: 89845, connected: 0, disconnected: 0, rate: 0/s
  1726. [00:22:09] Current: 89926, peak: 89926, connected: 81, disconnected: 0, rate: 81/s
  1727. [00:22:10] Current: 90001, peak: 90001, connected: 75, disconnected: 0, rate: 75/s
  1728. [00:22:11] Current: 90028, peak: 90028, connected: 27, disconnected: 0, rate: 27/s
  1729. [00:22:14] Current: 90169, peak: 90169, connected: 141, disconnected: 0, rate: 141/s
  1730. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  1731. Heartbeat took longer than "00:00:01" at "05/21/2019 09:57:24 +00:00".
  1732. [00:22:15] Current: 90189, peak: 90189, connected: 20, disconnected: 0, rate: 20/s
  1733. [00:22:16] Current: 90230, peak: 90230, connected: 41, disconnected: 0, rate: 41/s
  1734. [00:22:17] Current: 90351, peak: 90351, connected: 121, disconnected: 0, rate: 121/s
  1735. [00:22:19] Current: 90351, peak: 90351, connected: 0, disconnected: 0, rate: 0/s
  1736. [00:22:20] Current: 90351, peak: 90351, connected: 0, disconnected: 0, rate: 0/s
  1737. [00:22:21] Current: 90351, peak: 90351, connected: 0, disconnected: 0, rate: 0/s
  1738. [00:22:22] Current: 90351, peak: 90351, connected: 0, disconnected: 0, rate: 0/s
  1739. [00:22:23] Current: 90367, peak: 90367, connected: 16, disconnected: 0, rate: 16/s
  1740. [00:22:24] Current: 90371, peak: 90371, connected: 4, disconnected: 0, rate: 4/s
  1741. [00:22:25] Current: 90532, peak: 90532, connected: 161, disconnected: 0, rate: 161/s
  1742. [00:22:26] Current: 90532, peak: 90532, connected: 0, disconnected: 0, rate: 0/s
  1743. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  1744. Heartbeat took longer than "00:00:01" at "05/21/2019 09:57:36 +00:00".
  1745. [00:22:28] Current: 90532, peak: 90532, connected: 0, disconnected: 0, rate: 0/s
  1746. [00:22:29] Current: 90533, peak: 90533, connected: 1, disconnected: 0, rate: 1/s
  1747. [00:22:30] Current: 90671, peak: 90671, connected: 138, disconnected: 0, rate: 138/s
  1748. [00:22:31] Current: 90886, peak: 90886, connected: 215, disconnected: 0, rate: 215/s
  1749. [00:22:32] Current: 90981, peak: 90981, connected: 95, disconnected: 0, rate: 95/s
  1750. [00:22:34] Current: 90981, peak: 90981, connected: 0, disconnected: 0, rate: 0/s
  1751. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  1752. Heartbeat took longer than "00:00:01" at "05/21/2019 09:57:43 +00:00".
  1753. [00:22:35] Current: 90981, peak: 90981, connected: 0, disconnected: 0, rate: 0/s
  1754. [00:22:36] Current: 90988, peak: 90988, connected: 7, disconnected: 0, rate: 7/s
  1755. [00:22:37] Current: 91065, peak: 91065, connected: 77, disconnected: 0, rate: 77/s
  1756. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  1757. Heartbeat took longer than "00:00:01" at "05/21/2019 09:57:47 +00:00".
  1758. [00:22:38] Current: 91160, peak: 91160, connected: 95, disconnected: 0, rate: 95/s
  1759. [00:22:40] Current: 91160, peak: 91160, connected: 0, disconnected: 0, rate: 0/s
  1760. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  1761. Heartbeat took longer than "00:00:01" at "05/21/2019 09:57:49 +00:00".
  1762. [00:22:41] Current: 91160, peak: 91160, connected: 0, disconnected: 0, rate: 0/s
  1763. [00:22:42] Current: 91167, peak: 91167, connected: 7, disconnected: 0, rate: 7/s
  1764. [00:22:43] Current: 91257, peak: 91257, connected: 90, disconnected: 0, rate: 90/s
  1765. [00:22:44] Current: 91339, peak: 91339, connected: 82, disconnected: 0, rate: 82/s
  1766. [00:22:45] Current: 91592, peak: 91592, connected: 253, disconnected: 0, rate: 253/s
  1767. [00:22:46] Current: 91802, peak: 91802, connected: 210, disconnected: 0, rate: 210/s
  1768. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  1769. Heartbeat took longer than "00:00:01" at "05/21/2019 09:57:57 +00:00".
  1770. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  1771. Heartbeat took longer than "00:00:01" at "05/21/2019 09:57:58 +00:00".
  1772. [00:22:48] Current: 91831, peak: 91831, connected: 29, disconnected: 0, rate: 29/s
  1773. [00:22:49] Current: 91836, peak: 91836, connected: 5, disconnected: 0, rate: 5/s
  1774. [00:22:50] Current: 91869, peak: 91869, connected: 33, disconnected: 0, rate: 33/s
  1775. [00:22:52] Current: 91939, peak: 91939, connected: 70, disconnected: 0, rate: 70/s
  1776. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  1777. Heartbeat took longer than "00:00:01" at "05/21/2019 09:58:01 +00:00".
  1778. [00:22:53] Current: 91975, peak: 91975, connected: 36, disconnected: 0, rate: 36/s
  1779. [00:22:54] Current: 91995, peak: 91995, connected: 20, disconnected: 0, rate: 20/s
  1780. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  1781. Heartbeat took longer than "00:00:01" at "05/21/2019 09:58:04 +00:00".
  1782. [00:22:55] Current: 91995, peak: 91995, connected: 0, disconnected: 0, rate: 0/s
  1783. [00:22:56] Current: 91997, peak: 91997, connected: 2, disconnected: 0, rate: 2/s
  1784. [00:22:58] Current: 91999, peak: 91999, connected: 2, disconnected: 0, rate: 2/s
  1785. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  1786. Heartbeat took longer than "00:00:01" at "05/21/2019 09:58:08 +00:00".
  1787. [00:22:59] Current: 91999, peak: 91999, connected: 0, disconnected: 0, rate: 0/s
  1788. [00:23:00] Current: 92007, peak: 92007, connected: 8, disconnected: 0, rate: 8/s
  1789. [00:23:01] Current: 92008, peak: 92008, connected: 1, disconnected: 0, rate: 1/s
  1790. [00:23:02] Current: 92011, peak: 92011, connected: 3, disconnected: 0, rate: 3/s
  1791. [00:23:03] Current: 92028, peak: 92028, connected: 17, disconnected: 0, rate: 17/s
  1792. [00:23:05] Current: 92031, peak: 92031, connected: 3, disconnected: 0, rate: 3/s
  1793. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  1794. Heartbeat took longer than "00:00:01" at "05/21/2019 09:58:14 +00:00".
  1795. [00:23:06] Current: 92039, peak: 92039, connected: 8, disconnected: 0, rate: 8/s
  1796. [00:23:07] Current: 92169, peak: 92169, connected: 130, disconnected: 0, rate: 130/s
  1797. [00:23:08] Current: 92169, peak: 92169, connected: 0, disconnected: 0, rate: 0/s
  1798. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  1799. Heartbeat took longer than "00:00:01" at "05/21/2019 09:58:19 +00:00".
  1800. [00:23:10] Current: 92169, peak: 92169, connected: 0, disconnected: 0, rate: 0/s
  1801. [00:23:11] Current: 92169, peak: 92169, connected: 0, disconnected: 0, rate: 0/s
  1802. [00:23:12] Current: 92171, peak: 92171, connected: 2, disconnected: 0, rate: 2/s
  1803. [00:23:13] Current: 92181, peak: 92181, connected: 10, disconnected: 0, rate: 10/s
  1804. [00:23:14] Current: 92181, peak: 92181, connected: 0, disconnected: 0, rate: 0/s
  1805. [00:23:15] Current: 92181, peak: 92181, connected: 0, disconnected: 0, rate: 0/s
  1806. [00:23:16] Current: 92181, peak: 92181, connected: 0, disconnected: 0, rate: 0/s
  1807. [00:23:18] Current: 92205, peak: 92205, connected: 24, disconnected: 0, rate: 24/s
  1808. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  1809. Heartbeat took longer than "00:00:01" at "05/21/2019 09:58:28 +00:00".
  1810. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  1811. Heartbeat took longer than "00:00:01" at "05/21/2019 09:58:28 +00:00".
  1812. [00:23:19] Current: 92205, peak: 92205, connected: 0, disconnected: 0, rate: 0/s
  1813. [00:23:22] Current: 92250, peak: 92250, connected: 45, disconnected: 0, rate: 45/s
  1814. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  1815. Heartbeat took longer than "00:00:01" at "05/21/2019 09:58:31 +00:00".
  1816. [00:23:23] Current: 92341, peak: 92341, connected: 91, disconnected: 0, rate: 91/s
  1817. [00:23:24] Current: 92341, peak: 92341, connected: 0, disconnected: 0, rate: 0/s
  1818. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  1819. Heartbeat took longer than "00:00:01" at "05/21/2019 09:58:34 +00:00".
  1820. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  1821. Heartbeat took longer than "00:00:01" at "05/21/2019 09:58:34 +00:00".
  1822. [00:23:25] Current: 92341, peak: 92341, connected: 0, disconnected: 0, rate: 0/s
  1823. [00:23:26] Current: 92341, peak: 92341, connected: 0, disconnected: 0, rate: 0/s
  1824. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  1825. Heartbeat took longer than "00:00:01" at "05/21/2019 09:58:37 +00:00".
  1826. [00:23:28] Current: 92343, peak: 92343, connected: 2, disconnected: 0, rate: 2/s
  1827. [00:23:29] Current: 92353, peak: 92353, connected: 10, disconnected: 0, rate: 10/s
  1828. [00:23:31] Current: 92353, peak: 92353, connected: 0, disconnected: 0, rate: 0/s
  1829. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  1830. Heartbeat took longer than "00:00:01" at "05/21/2019 09:58:41 +00:00".
  1831. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  1832. Heartbeat took longer than "00:00:01" at "05/21/2019 09:58:41 +00:00".
  1833. [00:23:32] Current: 92353, peak: 92353, connected: 0, disconnected: 0, rate: 0/s
  1834. [00:23:33] Current: 92353, peak: 92353, connected: 0, disconnected: 0, rate: 0/s
  1835. [00:23:34] Current: 92353, peak: 92353, connected: 0, disconnected: 0, rate: 0/s
  1836. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  1837. Heartbeat took longer than "00:00:01" at "05/21/2019 09:58:45 +00:00".
  1838. [00:23:36] Current: 92353, peak: 92353, connected: 0, disconnected: 0, rate: 0/s
  1839. [00:23:37] Current: 92370, peak: 92370, connected: 17, disconnected: 0, rate: 17/s
  1840. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  1841. Heartbeat took longer than "00:00:01" at "05/21/2019 09:58:47 +00:00".
  1842. [00:23:38] Current: 92377, peak: 92377, connected: 7, disconnected: 0, rate: 7/s
  1843. [00:23:39] Current: 92377, peak: 92377, connected: 0, disconnected: 0, rate: 0/s
  1844. [00:23:40] Current: 92377, peak: 92377, connected: 0, disconnected: 0, rate: 0/s
  1845. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  1846. Heartbeat took longer than "00:00:01" at "05/21/2019 09:58:50 +00:00".
  1847. [00:23:41] Current: 92377, peak: 92377, connected: 0, disconnected: 0, rate: 0/s
  1848. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  1849. Heartbeat took longer than "00:00:01" at "05/21/2019 09:58:51 +00:00".
  1850. [00:23:44] Current: 92377, peak: 92377, connected: 0, disconnected: 0, rate: 0/s
  1851. [00:23:45] Current: 92377, peak: 92377, connected: 0, disconnected: 0, rate: 0/s
  1852. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  1853. Heartbeat took longer than "00:00:01" at "05/21/2019 09:58:55 +00:00".
  1854. [00:23:46] Current: 92377, peak: 92377, connected: 0, disconnected: 0, rate: 0/s
  1855. [00:23:47] Current: 92377, peak: 92377, connected: 0, disconnected: 0, rate: 0/s
  1856. [00:23:48] Current: 92385, peak: 92385, connected: 8, disconnected: 0, rate: 8/s
  1857. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  1858. Heartbeat took longer than "00:00:01" at "05/21/2019 09:58:58 +00:00".
  1859. [00:23:49] Current: 92385, peak: 92385, connected: 0, disconnected: 0, rate: 0/s
  1860. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  1861. Heartbeat took longer than "00:00:01" at "05/21/2019 09:59:00 +00:00".
  1862. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  1863. Heartbeat took longer than "00:00:01" at "05/21/2019 09:59:00 +00:00".
  1864. [00:23:51] Current: 92390, peak: 92390, connected: 5, disconnected: 0, rate: 5/s
  1865. [00:23:52] Current: 92390, peak: 92390, connected: 0, disconnected: 0, rate: 0/s
  1866. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  1867. Heartbeat took longer than "00:00:01" at "05/21/2019 09:59:05 +00:00".
  1868. [00:23:55] Current: 92417, peak: 92417, connected: 27, disconnected: 0, rate: 27/s
  1869. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  1870. Heartbeat took longer than "00:00:01" at "05/21/2019 09:59:05 +00:00".
  1871. [00:23:57] Current: 92417, peak: 92417, connected: 0, disconnected: 0, rate: 0/s
  1872. [00:23:58] Current: 92417, peak: 92417, connected: 0, disconnected: 0, rate: 0/s
  1873. [00:24:00] Current: 92417, peak: 92417, connected: 0, disconnected: 0, rate: 0/s
  1874. [00:24:01] Current: 92417, peak: 92417, connected: 0, disconnected: 0, rate: 0/s
  1875. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  1876. Heartbeat took longer than "00:00:01" at "05/21/2019 09:59:11 +00:00".
  1877. [00:24:02] Current: 92506, peak: 92506, connected: 89, disconnected: 0, rate: 89/s
  1878. [00:24:03] Current: 92506, peak: 92506, connected: 0, disconnected: 0, rate: 0/s
  1879. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  1880. Heartbeat took longer than "00:00:01" at "05/21/2019 09:59:12 +00:00".
  1881. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  1882. Heartbeat took longer than "00:00:01" at "05/21/2019 09:59:13 +00:00".
  1883. [00:24:04] Current: 92506, peak: 92506, connected: 0, disconnected: 0, rate: 0/s
  1884. [00:24:05] Current: 92506, peak: 92506, connected: 0, disconnected: 0, rate: 0/s
  1885. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  1886. Heartbeat took longer than "00:00:01" at "05/21/2019 09:59:14 +00:00".
  1887. [00:24:07] Current: 92506, peak: 92506, connected: 0, disconnected: 0, rate: 0/s
  1888. [00:24:08] Current: 92506, peak: 92506, connected: 0, disconnected: 0, rate: 0/s
  1889. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  1890. Heartbeat took longer than "00:00:01" at "05/21/2019 09:59:18 +00:00".
  1891. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  1892. Heartbeat took longer than "00:00:01" at "05/21/2019 09:59:18 +00:00".
  1893. [00:24:13] Current: 92498, peak: 92506, connected: 0, disconnected: 8, rate: -8/s
  1894. [00:24:14] Current: 92498, peak: 92506, connected: 0, disconnected: 0, rate: 0/s
  1895. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  1896. Heartbeat took longer than "00:00:01" at "05/21/2019 09:59:24 +00:00".
  1897. [00:24:15] Current: 92493, peak: 92506, connected: 0, disconnected: 5, rate: -5/s
  1898. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  1899. Heartbeat took longer than "00:00:01" at "05/21/2019 09:59:25 +00:00".
  1900. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  1901. Heartbeat took longer than "00:00:01" at "05/21/2019 09:59:26 +00:00".
  1902. [00:24:16] Current: 92486, peak: 92506, connected: 0, disconnected: 7, rate: -7/s
  1903. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  1904. Heartbeat took longer than "00:00:01" at "05/21/2019 09:59:26 +00:00".
  1905. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  1906. Heartbeat took longer than "00:00:01" at "05/21/2019 09:59:28 +00:00".
  1907. [00:24:24] Current: 92427, peak: 92506, connected: 0, disconnected: 59, rate: -59/s
  1908. [00:24:25] Current: 92418, peak: 92506, connected: 0, disconnected: 9, rate: -9/s
  1909. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  1910. Heartbeat took longer than "00:00:01" at "05/21/2019 09:59:36 +00:00".
  1911. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  1912. Heartbeat took longer than "00:00:01" at "05/21/2019 09:59:36 +00:00".
  1913. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  1914. Heartbeat took longer than "00:00:01" at "05/21/2019 09:59:38 +00:00".
  1915. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  1916. Heartbeat took longer than "00:00:01" at "05/21/2019 09:59:43 +00:00".
  1917. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  1918. Heartbeat took longer than "00:00:01" at "05/21/2019 09:59:46 +00:00".
  1919. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  1920. Heartbeat took longer than "00:00:01" at "05/21/2019 09:59:47 +00:00".
  1921. [00:24:38] Current: 91869, peak: 92506, connected: 0, disconnected: 549, rate: -549/s
  1922. [00:24:39] Current: 91763, peak: 92506, connected: 0, disconnected: 106, rate: -106/s
  1923. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  1924. Heartbeat took longer than "00:00:01" at "05/21/2019 09:59:49 +00:00".
  1925. [00:24:41] Current: 91400, peak: 92506, connected: 0, disconnected: 363, rate: -363/s
  1926. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  1927. Heartbeat took longer than "00:00:01" at "05/21/2019 09:59:51 +00:00".
  1928. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  1929. Heartbeat took longer than "00:00:01" at "05/21/2019 09:59:51 +00:00".
  1930. [00:24:42] Current: 91398, peak: 92506, connected: 0, disconnected: 2, rate: -2/s
  1931. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  1932. Heartbeat took longer than "00:00:01" at "05/21/2019 09:59:52 +00:00".
  1933. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  1934. Heartbeat took longer than "00:00:01" at "05/21/2019 09:59:52 +00:00".
  1935. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  1936. Heartbeat took longer than "00:00:01" at "05/21/2019 09:59:53 +00:00".
  1937. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  1938. Heartbeat took longer than "00:00:01" at "05/21/2019 09:59:58 +00:00".
  1939. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  1940. Failed writing message. Aborting connection.
  1941. System.InvalidOperationException: Writing is not allowed after writer was completed.
  1942. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  1943. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1944. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1945. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  1946. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  1947. Heartbeat took longer than "00:00:01" at "05/21/2019 10:00:00 +00:00".
  1948. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  1949. Failed writing message. Aborting connection.
  1950. System.InvalidOperationException: Writing is not allowed after writer was completed.
  1951. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  1952. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1953. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1954. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  1955. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  1956. Failed writing message. Aborting connection.
  1957. System.InvalidOperationException: Writing is not allowed after writer was completed.
  1958. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  1959. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1960. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1961. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  1962. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  1963. Failed writing message. Aborting connection.
  1964. System.InvalidOperationException: Writing is not allowed after writer was completed.
  1965. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  1966. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1967. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1968. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  1969. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  1970. Failed writing message. Aborting connection.
  1971. System.InvalidOperationException: Writing is not allowed after writer was completed.
  1972. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  1973. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1974. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1975. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  1976. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  1977. Failed writing message. Aborting connection.
  1978. System.InvalidOperationException: Writing is not allowed after writer was completed.
  1979. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  1980. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1981. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1982. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  1983. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  1984. Failed writing message. Aborting connection.
  1985. System.InvalidOperationException: Writing is not allowed after writer was completed.
  1986. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  1987. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1988. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1989. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  1990. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  1991. Failed writing message. Aborting connection.
  1992. System.InvalidOperationException: Writing is not allowed after writer was completed.
  1993. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  1994. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1995. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1996. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  1997. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  1998. Failed writing message. Aborting connection.
  1999. System.InvalidOperationException: Writing is not allowed after writer was completed.
  2000. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  2001. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2002. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2003. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  2004. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  2005. Failed writing message. Aborting connection.
  2006. System.InvalidOperationException: Writing is not allowed after writer was completed.
  2007. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  2008. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2009. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2010. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  2011. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  2012. Failed writing message. Aborting connection.
  2013. System.InvalidOperationException: Writing is not allowed after writer was completed.
  2014. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  2015. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2016. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2017. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  2018. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  2019. Failed writing message. Aborting connection.
  2020. System.InvalidOperationException: Writing is not allowed after writer was completed.
  2021. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  2022. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2023. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2024. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  2025. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  2026. Failed writing message. Aborting connection.
  2027. System.InvalidOperationException: Writing is not allowed after writer was completed.
  2028. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  2029. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2030. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2031. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  2032. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  2033. Failed writing message. Aborting connection.
  2034. System.InvalidOperationException: Writing is not allowed after writer was completed.
  2035. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  2036. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2037. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2038. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  2039. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  2040. Failed writing message. Aborting connection.
  2041. System.InvalidOperationException: Writing is not allowed after writer was completed.
  2042. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  2043. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2044. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2045. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  2046. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  2047. Failed writing message. Aborting connection.
  2048. System.InvalidOperationException: Writing is not allowed after writer was completed.
  2049. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  2050. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2051. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2052. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  2053. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  2054. Failed writing message. Aborting connection.
  2055. System.InvalidOperationException: Writing is not allowed after writer was completed.
  2056. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  2057. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2058. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2059. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  2060. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  2061. Failed writing message. Aborting connection.
  2062. System.InvalidOperationException: Writing is not allowed after writer was completed.
  2063. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  2064. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2065. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2066. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  2067. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  2068. Failed writing message. Aborting connection.
  2069. System.InvalidOperationException: Writing is not allowed after writer was completed.
  2070. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  2071. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2072. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2073. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  2074. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  2075. Failed writing message. Aborting connection.
  2076. System.InvalidOperationException: Writing is not allowed after writer was completed.
  2077. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  2078. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2079. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2080. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  2081. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  2082. Failed writing message. Aborting connection.
  2083. System.InvalidOperationException: Writing is not allowed after writer was completed.
  2084. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  2085. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2086. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2087. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  2088. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  2089. Failed writing message. Aborting connection.
  2090. System.InvalidOperationException: Writing is not allowed after writer was completed.
  2091. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  2092. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2093. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2094. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  2095. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  2096. Failed writing message. Aborting connection.
  2097. System.InvalidOperationException: Writing is not allowed after writer was completed.
  2098. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  2099. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2100. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2101. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  2102. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  2103. Failed writing message. Aborting connection.
  2104. System.InvalidOperationException: Writing is not allowed after writer was completed.
  2105. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  2106. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2107. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2108. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  2109. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  2110. Failed writing message. Aborting connection.
  2111. System.InvalidOperationException: Writing is not allowed after writer was completed.
  2112. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  2113. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2114. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2115. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  2116. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  2117. Failed writing message. Aborting connection.
  2118. System.InvalidOperationException: Writing is not allowed after writer was completed.
  2119. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  2120. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2121. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2122. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  2123. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  2124. Failed writing message. Aborting connection.
  2125. System.InvalidOperationException: Writing is not allowed after writer was completed.
  2126. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  2127. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2128. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2129. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  2130. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  2131. Failed writing message. Aborting connection.
  2132. System.InvalidOperationException: Writing is not allowed after writer was completed.
  2133. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  2134. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2135. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2136. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  2137. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  2138. Failed writing message. Aborting connection.
  2139. System.InvalidOperationException: Writing is not allowed after writer was completed.
  2140. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  2141. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2142. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2143. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  2144. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  2145. Failed writing message. Aborting connection.
  2146. System.InvalidOperationException: Writing is not allowed after writer was completed.
  2147. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  2148. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2149. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2150. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  2151. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  2152. Failed writing message. Aborting connection.
  2153. System.InvalidOperationException: Writing is not allowed after writer was completed.
  2154. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  2155. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2156. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2157. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  2158. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  2159. Failed writing message. Aborting connection.
  2160. System.InvalidOperationException: Writing is not allowed after writer was completed.
  2161. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  2162. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2163. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2164. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  2165. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  2166. Failed writing message. Aborting connection.
  2167. System.InvalidOperationException: Writing is not allowed after writer was completed.
  2168. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  2169. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2170. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2171. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  2172. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  2173. Failed writing message. Aborting connection.
  2174. System.InvalidOperationException: Writing is not allowed after writer was completed.
  2175. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  2176. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2177. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2178. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  2179. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  2180. Failed writing message. Aborting connection.
  2181. System.InvalidOperationException: Writing is not allowed after writer was completed.
  2182. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  2183. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2184. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2185. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  2186. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  2187. Failed writing message. Aborting connection.
  2188. System.InvalidOperationException: Writing is not allowed after writer was completed.
  2189. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  2190. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2191. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2192. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  2193. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  2194. Failed writing message. Aborting connection.
  2195. System.InvalidOperationException: Writing is not allowed after writer was completed.
  2196. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  2197. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2198. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2199. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  2200. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  2201. Failed writing message. Aborting connection.
  2202. System.InvalidOperationException: Writing is not allowed after writer was completed.
  2203. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  2204. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2205. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2206. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  2207. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  2208. Failed writing message. Aborting connection.
  2209. System.InvalidOperationException: Writing is not allowed after writer was completed.
  2210. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  2211. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2212. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2213. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  2214. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  2215. Failed writing message. Aborting connection.
  2216. System.InvalidOperationException: Writing is not allowed after writer was completed.
  2217. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  2218. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2219. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2220. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  2221. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  2222. Failed writing message. Aborting connection.
  2223. System.InvalidOperationException: Writing is not allowed after writer was completed.
  2224. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  2225. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2226. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2227. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  2228. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  2229. Failed writing message. Aborting connection.
  2230. System.InvalidOperationException: Writing is not allowed after writer was completed.
  2231. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  2232. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2233. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2234. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  2235. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  2236. Failed writing message. Aborting connection.
  2237. System.InvalidOperationException: Writing is not allowed after writer was completed.
  2238. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  2239. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2240. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2241. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  2242. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  2243. Failed writing message. Aborting connection.
  2244. System.InvalidOperationException: Writing is not allowed after writer was completed.
  2245. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  2246. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2247. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2248. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  2249. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  2250. Failed writing message. Aborting connection.
  2251. System.InvalidOperationException: Writing is not allowed after writer was completed.
  2252. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  2253. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2254. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2255. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  2256. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  2257. Failed writing message. Aborting connection.
  2258. System.InvalidOperationException: Writing is not allowed after writer was completed.
  2259. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  2260. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2261. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2262. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  2263. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  2264. Failed writing message. Aborting connection.
  2265. System.InvalidOperationException: Writing is not allowed after writer was completed.
  2266. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  2267. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2268. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2269. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  2270. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  2271. Failed writing message. Aborting connection.
  2272. System.InvalidOperationException: Writing is not allowed after writer was completed.
  2273. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  2274. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2275. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2276. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  2277. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  2278. Failed writing message. Aborting connection.
  2279. System.InvalidOperationException: Writing is not allowed after writer was completed.
  2280. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  2281. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2282. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2283. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  2284. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  2285. Failed writing message. Aborting connection.
  2286. System.InvalidOperationException: Writing is not allowed after writer was completed.
  2287. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  2288. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2289. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2290. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  2291. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  2292. Failed writing message. Aborting connection.
  2293. System.InvalidOperationException: Writing is not allowed after writer was completed.
  2294. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  2295. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2296. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2297. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  2298. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  2299. Failed writing message. Aborting connection.
  2300. System.InvalidOperationException: Writing is not allowed after writer was completed.
  2301. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  2302. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2303. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2304. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  2305. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  2306. Failed writing message. Aborting connection.
  2307. System.InvalidOperationException: Writing is not allowed after writer was completed.
  2308. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  2309. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2310. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2311. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  2312. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  2313. Failed writing message. Aborting connection.
  2314. System.InvalidOperationException: Writing is not allowed after writer was completed.
  2315. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  2316. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2317. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2318. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  2319. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  2320. Failed writing message. Aborting connection.
  2321. System.InvalidOperationException: Writing is not allowed after writer was completed.
  2322. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  2323. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2324. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2325. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  2326. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  2327. Heartbeat took longer than "00:00:01" at "05/21/2019 10:00:04 +00:00".
  2328. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  2329. Failed writing message. Aborting connection.
  2330. System.InvalidOperationException: Writing is not allowed after writer was completed.
  2331. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  2332. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2333. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2334. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  2335. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  2336. Failed writing message. Aborting connection.
  2337. System.InvalidOperationException: Writing is not allowed after writer was completed.
  2338. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  2339. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2340. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2341. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  2342. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  2343. Failed writing message. Aborting connection.
  2344. System.InvalidOperationException: Writing is not allowed after writer was completed.
  2345. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  2346. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2347. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2348. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  2349. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  2350. Failed writing message. Aborting connection.
  2351. System.InvalidOperationException: Writing is not allowed after writer was completed.
  2352. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  2353. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2354. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2355. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  2356. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  2357. Failed writing message. Aborting connection.
  2358. System.InvalidOperationException: Writing is not allowed after writer was completed.
  2359. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  2360. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2361. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2362. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  2363. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  2364. Failed writing message. Aborting connection.
  2365. System.InvalidOperationException: Writing is not allowed after writer was completed.
  2366. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  2367. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2368. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2369. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  2370. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  2371. Failed writing message. Aborting connection.
  2372. System.InvalidOperationException: Writing is not allowed after writer was completed.
  2373. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  2374. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2375. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2376. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  2377. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  2378. Failed writing message. Aborting connection.
  2379. System.InvalidOperationException: Writing is not allowed after writer was completed.
  2380. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  2381. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2382. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2383. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  2384. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  2385. Failed writing message. Aborting connection.
  2386. System.InvalidOperationException: Writing is not allowed after writer was completed.
  2387. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  2388. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2389. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2390. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  2391. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  2392. Failed writing message. Aborting connection.
  2393. System.InvalidOperationException: Writing is not allowed after writer was completed.
  2394. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  2395. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2396. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2397. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  2398. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  2399. Failed writing message. Aborting connection.
  2400. System.InvalidOperationException: Writing is not allowed after writer was completed.
  2401. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  2402. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2403. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2404. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  2405. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  2406. Failed writing message. Aborting connection.
  2407. System.InvalidOperationException: Writing is not allowed after writer was completed.
  2408. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  2409. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2410. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2411. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  2412. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  2413. Failed writing message. Aborting connection.
  2414. System.InvalidOperationException: Writing is not allowed after writer was completed.
  2415. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  2416. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2417. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2418. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  2419. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  2420. Failed writing message. Aborting connection.
  2421. System.InvalidOperationException: Writing is not allowed after writer was completed.
  2422. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  2423. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2424. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2425. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  2426. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  2427. Failed writing message. Aborting connection.
  2428. System.InvalidOperationException: Writing is not allowed after writer was completed.
  2429. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  2430. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2431. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2432. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  2433. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  2434. Failed writing message. Aborting connection.
  2435. System.InvalidOperationException: Writing is not allowed after writer was completed.
  2436. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  2437. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2438. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2439. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  2440. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  2441. Failed writing message. Aborting connection.
  2442. System.InvalidOperationException: Writing is not allowed after writer was completed.
  2443. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  2444. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2445. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2446. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  2447. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  2448. Failed writing message. Aborting connection.
  2449. System.InvalidOperationException: Writing is not allowed after writer was completed.
  2450. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  2451. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2452. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2453. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  2454. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  2455. Failed writing message. Aborting connection.
  2456. System.InvalidOperationException: Writing is not allowed after writer was completed.
  2457. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  2458. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2459. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2460. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  2461. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  2462. Failed writing message. Aborting connection.
  2463. System.InvalidOperationException: Writing is not allowed after writer was completed.
  2464. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  2465. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2466. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2467. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  2468. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  2469. Failed writing message. Aborting connection.
  2470. System.InvalidOperationException: Writing is not allowed after writer was completed.
  2471. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  2472. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2473. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2474. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  2475. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  2476. Failed writing message. Aborting connection.
  2477. System.InvalidOperationException: Writing is not allowed after writer was completed.
  2478. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  2479. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2480. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2481. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  2482. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  2483. Failed writing message. Aborting connection.
  2484. System.InvalidOperationException: Writing is not allowed after writer was completed.
  2485. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  2486. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2487. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2488. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  2489. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  2490. Failed writing message. Aborting connection.
  2491. System.InvalidOperationException: Writing is not allowed after writer was completed.
  2492. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  2493. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2494. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2495. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  2496. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  2497. Failed writing message. Aborting connection.
  2498. System.InvalidOperationException: Writing is not allowed after writer was completed.
  2499. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  2500. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2501. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2502. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  2503. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  2504. Failed writing message. Aborting connection.
  2505. System.InvalidOperationException: Writing is not allowed after writer was completed.
  2506. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  2507. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2508. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2509. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  2510. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  2511. Failed writing message. Aborting connection.
  2512. System.InvalidOperationException: Writing is not allowed after writer was completed.
  2513. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  2514. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2515. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2516. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  2517. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  2518. Failed writing message. Aborting connection.
  2519. System.InvalidOperationException: Writing is not allowed after writer was completed.
  2520. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  2521. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2522. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2523. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  2524. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  2525. Failed writing message. Aborting connection.
  2526. System.InvalidOperationException: Writing is not allowed after writer was completed.
  2527. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  2528. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2529. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2530. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  2531. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  2532. Failed writing message. Aborting connection.
  2533. System.InvalidOperationException: Writing is not allowed after writer was completed.
  2534. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  2535. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2536. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2537. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  2538. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  2539. Failed writing message. Aborting connection.
  2540. System.InvalidOperationException: Writing is not allowed after writer was completed.
  2541. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  2542. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2543. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2544. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  2545. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  2546. Failed writing message. Aborting connection.
  2547. System.InvalidOperationException: Writing is not allowed after writer was completed.
  2548. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  2549. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2550. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2551. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  2552. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  2553. Failed writing message. Aborting connection.
  2554. System.InvalidOperationException: Writing is not allowed after writer was completed.
  2555. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  2556. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2557. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2558. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  2559. [00:24:58] Current: 90129, peak: 92506, connected: 0, disconnected: 1269, rate: -1269/s
  2560. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  2561. Failed writing message. Aborting connection.
  2562. System.InvalidOperationException: Writing is not allowed after writer was completed.
  2563. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  2564. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2565. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2566. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  2567. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  2568. Failed writing message. Aborting connection.
  2569. System.InvalidOperationException: Writing is not allowed after writer was completed.
  2570. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  2571. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2572. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2573. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  2574. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  2575. Failed writing message. Aborting connection.
  2576. System.InvalidOperationException: Writing is not allowed after writer was completed.
  2577. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  2578. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2579. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2580. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  2581. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  2582. Failed writing message. Aborting connection.
  2583. System.InvalidOperationException: Writing is not allowed after writer was completed.
  2584. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  2585. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2586. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2587. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  2588. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  2589. Failed writing message. Aborting connection.
  2590. System.InvalidOperationException: Writing is not allowed after writer was completed.
  2591. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  2592. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2593. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2594. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  2595. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  2596. Failed writing message. Aborting connection.
  2597. System.InvalidOperationException: Writing is not allowed after writer was completed.
  2598. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  2599. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2600. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2601. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  2602. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  2603. Failed writing message. Aborting connection.
  2604. System.InvalidOperationException: Writing is not allowed after writer was completed.
  2605. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  2606. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2607. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2608. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  2609. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  2610. Failed writing message. Aborting connection.
  2611. System.InvalidOperationException: Writing is not allowed after writer was completed.
  2612. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  2613. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2614. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2615. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  2616. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  2617. Failed writing message. Aborting connection.
  2618. System.InvalidOperationException: Writing is not allowed after writer was completed.
  2619. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  2620. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2621. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2622. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  2623. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  2624. Failed writing message. Aborting connection.
  2625. System.InvalidOperationException: Writing is not allowed after writer was completed.
  2626. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  2627. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2628. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2629. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  2630. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  2631. Failed writing message. Aborting connection.
  2632. System.InvalidOperationException: Writing is not allowed after writer was completed.
  2633. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  2634. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2635. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2636. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  2637. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  2638. Failed writing message. Aborting connection.
  2639. System.InvalidOperationException: Writing is not allowed after writer was completed.
  2640. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  2641. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2642. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2643. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  2644. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  2645. Failed writing message. Aborting connection.
  2646. System.InvalidOperationException: Writing is not allowed after writer was completed.
  2647. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  2648. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2649. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2650. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  2651. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  2652. Failed writing message. Aborting connection.
  2653. System.InvalidOperationException: Writing is not allowed after writer was completed.
  2654. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  2655. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2656. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2657. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  2658. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  2659. Failed writing message. Aborting connection.
  2660. System.InvalidOperationException: Writing is not allowed after writer was completed.
  2661. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  2662. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2663. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2664. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  2665. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  2666. Failed writing message. Aborting connection.
  2667. System.InvalidOperationException: Writing is not allowed after writer was completed.
  2668. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  2669. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2670. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2671. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  2672. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  2673. Failed writing message. Aborting connection.
  2674. System.InvalidOperationException: Writing is not allowed after writer was completed.
  2675. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  2676. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2677. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2678. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  2679. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  2680. Failed writing message. Aborting connection.
  2681. System.InvalidOperationException: Writing is not allowed after writer was completed.
  2682. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  2683. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2684. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2685. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  2686. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  2687. Failed writing message. Aborting connection.
  2688. System.InvalidOperationException: Writing is not allowed after writer was completed.
  2689. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  2690. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2691. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2692. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  2693. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  2694. Failed writing message. Aborting connection.
  2695. System.InvalidOperationException: Writing is not allowed after writer was completed.
  2696. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  2697. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2698. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2699. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  2700. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  2701. Failed writing message. Aborting connection.
  2702. System.InvalidOperationException: Writing is not allowed after writer was completed.
  2703. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  2704. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2705. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2706. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  2707. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  2708. Failed writing message. Aborting connection.
  2709. System.InvalidOperationException: Writing is not allowed after writer was completed.
  2710. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  2711. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2712. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2713. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  2714. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  2715. Failed writing message. Aborting connection.
  2716. System.InvalidOperationException: Writing is not allowed after writer was completed.
  2717. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  2718. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2719. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2720. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  2721. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  2722. Failed writing message. Aborting connection.
  2723. System.InvalidOperationException: Writing is not allowed after writer was completed.
  2724. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  2725. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2726. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2727. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  2728. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  2729. Failed writing message. Aborting connection.
  2730. System.InvalidOperationException: Writing is not allowed after writer was completed.
  2731. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  2732. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2733. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2734. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  2735. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  2736. Failed writing message. Aborting connection.
  2737. System.InvalidOperationException: Writing is not allowed after writer was completed.
  2738. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  2739. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2740. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2741. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  2742. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  2743. Failed writing message. Aborting connection.
  2744. System.InvalidOperationException: Writing is not allowed after writer was completed.
  2745. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  2746. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2747. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2748. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  2749. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  2750. Failed writing message. Aborting connection.
  2751. System.InvalidOperationException: Writing is not allowed after writer was completed.
  2752. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  2753. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2754. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2755. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  2756. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  2757. Failed writing message. Aborting connection.
  2758. System.InvalidOperationException: Writing is not allowed after writer was completed.
  2759. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  2760. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2761. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2762. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  2763. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  2764. Failed writing message. Aborting connection.
  2765. System.InvalidOperationException: Writing is not allowed after writer was completed.
  2766. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  2767. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2768. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2769. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  2770. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  2771. Failed writing message. Aborting connection.
  2772. System.InvalidOperationException: Writing is not allowed after writer was completed.
  2773. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  2774. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2775. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2776. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  2777. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  2778. Failed writing message. Aborting connection.
  2779. System.InvalidOperationException: Writing is not allowed after writer was completed.
  2780. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  2781. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2782. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2783. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  2784. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  2785. Failed writing message. Aborting connection.
  2786. System.InvalidOperationException: Writing is not allowed after writer was completed.
  2787. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  2788. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2789. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2790. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  2791. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  2792. Failed writing message. Aborting connection.
  2793. System.InvalidOperationException: Writing is not allowed after writer was completed.
  2794. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  2795. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2796. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2797. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  2798. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  2799. Failed writing message. Aborting connection.
  2800. System.InvalidOperationException: Writing is not allowed after writer was completed.
  2801. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  2802. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2803. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2804. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  2805. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  2806. Failed writing message. Aborting connection.
  2807. System.InvalidOperationException: Writing is not allowed after writer was completed.
  2808. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  2809. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2810. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2811. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  2812. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  2813. Failed writing message. Aborting connection.
  2814. System.InvalidOperationException: Writing is not allowed after writer was completed.
  2815. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  2816. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2817. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2818. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  2819. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  2820. Failed writing message. Aborting connection.
  2821. System.InvalidOperationException: Writing is not allowed after writer was completed.
  2822. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  2823. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2824. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2825. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  2826. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  2827. Failed writing message. Aborting connection.
  2828. System.InvalidOperationException: Writing is not allowed after writer was completed.
  2829. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  2830. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2831. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2832. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  2833. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  2834. Failed writing message. Aborting connection.
  2835. System.InvalidOperationException: Writing is not allowed after writer was completed.
  2836. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  2837. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2838. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2839. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  2840. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  2841. Failed writing message. Aborting connection.
  2842. System.InvalidOperationException: Writing is not allowed after writer was completed.
  2843. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  2844. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2845. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2846. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  2847. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  2848. Failed writing message. Aborting connection.
  2849. System.InvalidOperationException: Writing is not allowed after writer was completed.
  2850. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  2851. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2852. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2853. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  2854. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  2855. Failed writing message. Aborting connection.
  2856. System.InvalidOperationException: Writing is not allowed after writer was completed.
  2857. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  2858. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2859. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2860. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  2861. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  2862. Failed writing message. Aborting connection.
  2863. System.InvalidOperationException: Writing is not allowed after writer was completed.
  2864. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  2865. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2866. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2867. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  2868. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  2869. Failed writing message. Aborting connection.
  2870. System.InvalidOperationException: Writing is not allowed after writer was completed.
  2871. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  2872. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2873. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2874. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  2875. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  2876. Failed writing message. Aborting connection.
  2877. System.InvalidOperationException: Writing is not allowed after writer was completed.
  2878. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  2879. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2880. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2881. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  2882. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  2883. Failed writing message. Aborting connection.
  2884. System.InvalidOperationException: Writing is not allowed after writer was completed.
  2885. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  2886. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2887. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2888. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  2889. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  2890. Failed writing message. Aborting connection.
  2891. System.InvalidOperationException: Writing is not allowed after writer was completed.
  2892. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  2893. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2894. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2895. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  2896. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  2897. Failed writing message. Aborting connection.
  2898. System.InvalidOperationException: Writing is not allowed after writer was completed.
  2899. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  2900. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2901. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2902. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  2903. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  2904. Failed writing message. Aborting connection.
  2905. System.InvalidOperationException: Writing is not allowed after writer was completed.
  2906. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  2907. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2908. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2909. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  2910. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  2911. Failed writing message. Aborting connection.
  2912. System.InvalidOperationException: Writing is not allowed after writer was completed.
  2913. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  2914. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2915. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2916. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  2917. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  2918. Failed writing message. Aborting connection.
  2919. System.InvalidOperationException: Writing is not allowed after writer was completed.
  2920. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  2921. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2922. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2923. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  2924. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  2925. Failed writing message. Aborting connection.
  2926. System.InvalidOperationException: Writing is not allowed after writer was completed.
  2927. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  2928. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2929. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2930. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  2931. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  2932. Failed writing message. Aborting connection.
  2933. System.InvalidOperationException: Writing is not allowed after writer was completed.
  2934. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  2935. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2936. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2937. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  2938. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  2939. Failed writing message. Aborting connection.
  2940. System.InvalidOperationException: Writing is not allowed after writer was completed.
  2941. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  2942. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2943. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2944. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  2945. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  2946. Failed writing message. Aborting connection.
  2947. System.InvalidOperationException: Writing is not allowed after writer was completed.
  2948. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  2949. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2950. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2951. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  2952. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  2953. Failed writing message. Aborting connection.
  2954. System.InvalidOperationException: Writing is not allowed after writer was completed.
  2955. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  2956. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2957. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2958. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  2959. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  2960. Failed writing message. Aborting connection.
  2961. System.InvalidOperationException: Writing is not allowed after writer was completed.
  2962. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  2963. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2964. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2965. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  2966. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  2967. Failed writing message. Aborting connection.
  2968. System.InvalidOperationException: Writing is not allowed after writer was completed.
  2969. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  2970. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2971. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2972. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  2973. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  2974. Failed writing message. Aborting connection.
  2975. System.InvalidOperationException: Writing is not allowed after writer was completed.
  2976. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  2977. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2978. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2979. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  2980. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  2981. Failed writing message. Aborting connection.
  2982. System.InvalidOperationException: Writing is not allowed after writer was completed.
  2983. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  2984. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2985. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2986. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  2987. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  2988. Failed writing message. Aborting connection.
  2989. System.InvalidOperationException: Writing is not allowed after writer was completed.
  2990. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  2991. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2992. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2993. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  2994. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  2995. Failed writing message. Aborting connection.
  2996. System.InvalidOperationException: Writing is not allowed after writer was completed.
  2997. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  2998. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2999. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3000. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  3001. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  3002. Failed writing message. Aborting connection.
  3003. System.InvalidOperationException: Writing is not allowed after writer was completed.
  3004. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  3005. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3006. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3007. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  3008. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  3009. Failed writing message. Aborting connection.
  3010. System.InvalidOperationException: Writing is not allowed after writer was completed.
  3011. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  3012. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3013. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3014. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  3015. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  3016. Failed writing message. Aborting connection.
  3017. System.InvalidOperationException: Writing is not allowed after writer was completed.
  3018. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  3019. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3020. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3021. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  3022. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  3023. Failed writing message. Aborting connection.
  3024. System.InvalidOperationException: Writing is not allowed after writer was completed.
  3025. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  3026. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3027. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3028. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  3029. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  3030. Failed writing message. Aborting connection.
  3031. System.InvalidOperationException: Writing is not allowed after writer was completed.
  3032. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  3033. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3034. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3035. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  3036. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  3037. Failed writing message. Aborting connection.
  3038. System.InvalidOperationException: Writing is not allowed after writer was completed.
  3039. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  3040. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3041. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3042. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  3043. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  3044. Failed writing message. Aborting connection.
  3045. System.InvalidOperationException: Writing is not allowed after writer was completed.
  3046. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  3047. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3048. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3049. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  3050. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  3051. Failed writing message. Aborting connection.
  3052. System.InvalidOperationException: Writing is not allowed after writer was completed.
  3053. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  3054. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3055. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3056. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  3057. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  3058. Failed writing message. Aborting connection.
  3059. System.InvalidOperationException: Writing is not allowed after writer was completed.
  3060. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  3061. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3062. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3063. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  3064. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  3065. Failed writing message. Aborting connection.
  3066. System.InvalidOperationException: Writing is not allowed after writer was completed.
  3067. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  3068. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3069. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3070. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  3071. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  3072. Failed writing message. Aborting connection.
  3073. System.InvalidOperationException: Writing is not allowed after writer was completed.
  3074. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  3075. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3076. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3077. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  3078. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  3079. Heartbeat took longer than "00:00:01" at "05/21/2019 10:00:08 +00:00".
  3080. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  3081. Failed writing message. Aborting connection.
  3082. System.InvalidOperationException: Writing is not allowed after writer was completed.
  3083. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  3084. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3085. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3086. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  3087. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  3088. Failed writing message. Aborting connection.
  3089. System.InvalidOperationException: Writing is not allowed after writer was completed.
  3090. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  3091. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3092. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3093. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  3094. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  3095. Failed writing message. Aborting connection.
  3096. System.InvalidOperationException: Writing is not allowed after writer was completed.
  3097. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  3098. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3099. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3100. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  3101. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  3102. Failed writing message. Aborting connection.
  3103. System.InvalidOperationException: Writing is not allowed after writer was completed.
  3104. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  3105. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3106. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3107. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  3108. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  3109. Failed writing message. Aborting connection.
  3110. System.InvalidOperationException: Writing is not allowed after writer was completed.
  3111. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  3112. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3113. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3114. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  3115. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  3116. Failed writing message. Aborting connection.
  3117. System.InvalidOperationException: Writing is not allowed after writer was completed.
  3118. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  3119. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3120. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3121. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  3122. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  3123. Failed writing message. Aborting connection.
  3124. System.InvalidOperationException: Writing is not allowed after writer was completed.
  3125. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  3126. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3127. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3128. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  3129. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  3130. Failed writing message. Aborting connection.
  3131. System.InvalidOperationException: Writing is not allowed after writer was completed.
  3132. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  3133. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3134. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3135. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  3136. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  3137. Failed writing message. Aborting connection.
  3138. System.InvalidOperationException: Writing is not allowed after writer was completed.
  3139. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  3140. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3141. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3142. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  3143. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  3144. Failed writing message. Aborting connection.
  3145. System.InvalidOperationException: Writing is not allowed after writer was completed.
  3146. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  3147. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3148. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3149. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  3150. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  3151. Failed writing message. Aborting connection.
  3152. System.InvalidOperationException: Writing is not allowed after writer was completed.
  3153. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  3154. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3155. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3156. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  3157. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  3158. Failed writing message. Aborting connection.
  3159. System.InvalidOperationException: Writing is not allowed after writer was completed.
  3160. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  3161. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3162. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3163. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  3164. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  3165. Failed writing message. Aborting connection.
  3166. System.InvalidOperationException: Writing is not allowed after writer was completed.
  3167. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  3168. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3169. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3170. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  3171. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  3172. Failed writing message. Aborting connection.
  3173. System.InvalidOperationException: Writing is not allowed after writer was completed.
  3174. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  3175. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3176. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3177. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  3178. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  3179. Failed writing message. Aborting connection.
  3180. System.InvalidOperationException: Writing is not allowed after writer was completed.
  3181. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  3182. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3183. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3184. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  3185. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  3186. Failed writing message. Aborting connection.
  3187. System.InvalidOperationException: Writing is not allowed after writer was completed.
  3188. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  3189. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3190. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3191. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  3192. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  3193. Failed writing message. Aborting connection.
  3194. System.InvalidOperationException: Writing is not allowed after writer was completed.
  3195. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  3196. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3197. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3198. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  3199. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  3200. Failed writing message. Aborting connection.
  3201. System.InvalidOperationException: Writing is not allowed after writer was completed.
  3202. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  3203. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3204. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3205. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  3206. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  3207. Failed writing message. Aborting connection.
  3208. System.InvalidOperationException: Writing is not allowed after writer was completed.
  3209. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  3210. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3211. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3212. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  3213. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  3214. Failed writing message. Aborting connection.
  3215. System.InvalidOperationException: Writing is not allowed after writer was completed.
  3216. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  3217. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3218. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3219. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  3220. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  3221. Failed writing message. Aborting connection.
  3222. System.InvalidOperationException: Writing is not allowed after writer was completed.
  3223. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  3224. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3225. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3226. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  3227. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  3228. Failed writing message. Aborting connection.
  3229. System.InvalidOperationException: Writing is not allowed after writer was completed.
  3230. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  3231. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3232. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3233. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  3234. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  3235. Failed writing message. Aborting connection.
  3236. System.InvalidOperationException: Writing is not allowed after writer was completed.
  3237. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  3238. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3239. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3240. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  3241. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  3242. Failed writing message. Aborting connection.
  3243. System.InvalidOperationException: Writing is not allowed after writer was completed.
  3244. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  3245. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3246. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3247. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  3248. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  3249. Failed writing message. Aborting connection.
  3250. System.InvalidOperationException: Writing is not allowed after writer was completed.
  3251. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  3252. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3253. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3254. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  3255. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  3256. Failed writing message. Aborting connection.
  3257. System.InvalidOperationException: Writing is not allowed after writer was completed.
  3258. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  3259. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3260. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3261. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  3262. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  3263. Failed writing message. Aborting connection.
  3264. System.InvalidOperationException: Writing is not allowed after writer was completed.
  3265. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  3266. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3267. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3268. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  3269. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  3270. Failed writing message. Aborting connection.
  3271. System.InvalidOperationException: Writing is not allowed after writer was completed.
  3272. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  3273. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3274. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3275. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  3276. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  3277. Failed writing message. Aborting connection.
  3278. System.InvalidOperationException: Writing is not allowed after writer was completed.
  3279. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  3280. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3281. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3282. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  3283. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  3284. Failed writing message. Aborting connection.
  3285. System.InvalidOperationException: Writing is not allowed after writer was completed.
  3286. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  3287. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3288. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3289. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  3290. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  3291. Failed writing message. Aborting connection.
  3292. System.InvalidOperationException: Writing is not allowed after writer was completed.
  3293. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  3294. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3295. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3296. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  3297. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  3298. Failed writing message. Aborting connection.
  3299. System.InvalidOperationException: Writing is not allowed after writer was completed.
  3300. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  3301. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3302. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3303. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  3304. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  3305. Failed writing message. Aborting connection.
  3306. System.InvalidOperationException: Writing is not allowed after writer was completed.
  3307. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  3308. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3309. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3310. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  3311. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  3312. Failed writing message. Aborting connection.
  3313. System.InvalidOperationException: Writing is not allowed after writer was completed.
  3314. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  3315. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3316. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3317. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  3318. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  3319. Failed writing message. Aborting connection.
  3320. System.InvalidOperationException: Writing is not allowed after writer was completed.
  3321. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  3322. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3323. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3324. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  3325. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  3326. Failed writing message. Aborting connection.
  3327. System.InvalidOperationException: Writing is not allowed after writer was completed.
  3328. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  3329. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3330. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3331. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  3332. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  3333. Failed writing message. Aborting connection.
  3334. System.InvalidOperationException: Writing is not allowed after writer was completed.
  3335. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  3336. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3337. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3338. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  3339. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  3340. Failed writing message. Aborting connection.
  3341. System.InvalidOperationException: Writing is not allowed after writer was completed.
  3342. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  3343. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3344. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3345. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  3346. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  3347. Failed writing message. Aborting connection.
  3348. System.InvalidOperationException: Writing is not allowed after writer was completed.
  3349. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  3350. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3351. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3352. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  3353. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  3354. Failed writing message. Aborting connection.
  3355. System.InvalidOperationException: Writing is not allowed after writer was completed.
  3356. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  3357. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3358. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3359. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  3360. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  3361. Failed writing message. Aborting connection.
  3362. System.InvalidOperationException: Writing is not allowed after writer was completed.
  3363. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  3364. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3365. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3366. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  3367. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  3368. Failed writing message. Aborting connection.
  3369. System.InvalidOperationException: Writing is not allowed after writer was completed.
  3370. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  3371. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3372. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3373. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  3374. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  3375. Failed writing message. Aborting connection.
  3376. System.InvalidOperationException: Writing is not allowed after writer was completed.
  3377. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  3378. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3379. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3380. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  3381. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  3382. Failed writing message. Aborting connection.
  3383. System.InvalidOperationException: Writing is not allowed after writer was completed.
  3384. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  3385. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3386. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3387. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  3388. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  3389. Failed writing message. Aborting connection.
  3390. System.InvalidOperationException: Writing is not allowed after writer was completed.
  3391. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  3392. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3393. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3394. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  3395. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  3396. Failed writing message. Aborting connection.
  3397. System.InvalidOperationException: Writing is not allowed after writer was completed.
  3398. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  3399. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3400. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3401. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  3402. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  3403. Failed writing message. Aborting connection.
  3404. System.InvalidOperationException: Writing is not allowed after writer was completed.
  3405. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  3406. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3407. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3408. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  3409. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  3410. Failed writing message. Aborting connection.
  3411. System.InvalidOperationException: Writing is not allowed after writer was completed.
  3412. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  3413. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3414. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3415. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  3416. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  3417. Failed writing message. Aborting connection.
  3418. System.InvalidOperationException: Writing is not allowed after writer was completed.
  3419. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  3420. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3421. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3422. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  3423. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  3424. Failed writing message. Aborting connection.
  3425. System.InvalidOperationException: Writing is not allowed after writer was completed.
  3426. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  3427. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3428. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3429. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  3430. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  3431. Failed writing message. Aborting connection.
  3432. System.InvalidOperationException: Writing is not allowed after writer was completed.
  3433. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  3434. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3435. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3436. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  3437. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  3438. Failed writing message. Aborting connection.
  3439. System.InvalidOperationException: Writing is not allowed after writer was completed.
  3440. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  3441. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3442. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3443. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  3444. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  3445. Failed writing message. Aborting connection.
  3446. System.InvalidOperationException: Writing is not allowed after writer was completed.
  3447. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  3448. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3449. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3450. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  3451. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  3452. Failed writing message. Aborting connection.
  3453. System.InvalidOperationException: Writing is not allowed after writer was completed.
  3454. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  3455. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3456. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3457. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  3458. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  3459. Failed writing message. Aborting connection.
  3460. System.InvalidOperationException: Writing is not allowed after writer was completed.
  3461. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  3462. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3463. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3464. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  3465. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  3466. Failed writing message. Aborting connection.
  3467. System.InvalidOperationException: Writing is not allowed after writer was completed.
  3468. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  3469. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3470. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3471. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  3472. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  3473. Failed writing message. Aborting connection.
  3474. System.InvalidOperationException: Writing is not allowed after writer was completed.
  3475. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  3476. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3477. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3478. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  3479. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  3480. Failed writing message. Aborting connection.
  3481. System.InvalidOperationException: Writing is not allowed after writer was completed.
  3482. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  3483. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3484. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3485. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  3486. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  3487. Failed writing message. Aborting connection.
  3488. System.InvalidOperationException: Writing is not allowed after writer was completed.
  3489. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  3490. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3491. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3492. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  3493. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  3494. Failed writing message. Aborting connection.
  3495. System.InvalidOperationException: Writing is not allowed after writer was completed.
  3496. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  3497. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3498. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3499. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  3500. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  3501. Failed writing message. Aborting connection.
  3502. System.InvalidOperationException: Writing is not allowed after writer was completed.
  3503. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  3504. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3505. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3506. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  3507. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  3508. Failed writing message. Aborting connection.
  3509. System.InvalidOperationException: Writing is not allowed after writer was completed.
  3510. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  3511. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3512. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3513. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  3514. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  3515. Failed writing message. Aborting connection.
  3516. System.InvalidOperationException: Writing is not allowed after writer was completed.
  3517. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  3518. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3519. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3520. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  3521. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  3522. Failed writing message. Aborting connection.
  3523. System.InvalidOperationException: Writing is not allowed after writer was completed.
  3524. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  3525. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3526. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3527. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  3528. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  3529. Failed writing message. Aborting connection.
  3530. System.InvalidOperationException: Writing is not allowed after writer was completed.
  3531. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  3532. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3533. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3534. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  3535. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  3536. Failed writing message. Aborting connection.
  3537. System.InvalidOperationException: Writing is not allowed after writer was completed.
  3538. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  3539. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3540. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3541. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  3542. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  3543. Failed writing message. Aborting connection.
  3544. System.InvalidOperationException: Writing is not allowed after writer was completed.
  3545. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  3546. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3547. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3548. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  3549. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  3550. Failed writing message. Aborting connection.
  3551. System.InvalidOperationException: Writing is not allowed after writer was completed.
  3552. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  3553. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3554. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3555. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  3556. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  3557. Failed writing message. Aborting connection.
  3558. System.InvalidOperationException: Writing is not allowed after writer was completed.
  3559. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  3560. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3561. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3562. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  3563. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  3564. Failed writing message. Aborting connection.
  3565. System.InvalidOperationException: Writing is not allowed after writer was completed.
  3566. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  3567. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3568. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3569. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  3570. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  3571. Failed writing message. Aborting connection.
  3572. System.InvalidOperationException: Writing is not allowed after writer was completed.
  3573. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  3574. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3575. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3576. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  3577. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  3578. Failed writing message. Aborting connection.
  3579. System.InvalidOperationException: Writing is not allowed after writer was completed.
  3580. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  3581. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3582. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3583. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  3584. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  3585. Failed writing message. Aborting connection.
  3586. System.InvalidOperationException: Writing is not allowed after writer was completed.
  3587. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  3588. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3589. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3590. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  3591. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  3592. Failed writing message. Aborting connection.
  3593. System.InvalidOperationException: Writing is not allowed after writer was completed.
  3594. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  3595. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3596. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3597. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  3598. [00:24:59] Current: 89700, peak: 92506, connected: 0, disconnected: 429, rate: -429/s
  3599. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  3600. Failed writing message. Aborting connection.
  3601. System.InvalidOperationException: Writing is not allowed after writer was completed.
  3602. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  3603. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3604. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3605. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  3606. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  3607. Failed writing message. Aborting connection.
  3608. System.InvalidOperationException: Writing is not allowed after writer was completed.
  3609. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  3610. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3611. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3612. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  3613. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  3614. Failed writing message. Aborting connection.
  3615. System.InvalidOperationException: Writing is not allowed after writer was completed.
  3616. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  3617. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3618. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3619. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  3620. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  3621. Failed writing message. Aborting connection.
  3622. System.InvalidOperationException: Writing is not allowed after writer was completed.
  3623. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  3624. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3625. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3626. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  3627. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  3628. Failed writing message. Aborting connection.
  3629. System.InvalidOperationException: Writing is not allowed after writer was completed.
  3630. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  3631. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3632. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3633. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  3634. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  3635. Failed writing message. Aborting connection.
  3636. System.InvalidOperationException: Writing is not allowed after writer was completed.
  3637. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  3638. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3639. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3640. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  3641. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  3642. Failed writing message. Aborting connection.
  3643. System.InvalidOperationException: Writing is not allowed after writer was completed.
  3644. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  3645. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3646. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3647. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  3648. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  3649. Failed writing message. Aborting connection.
  3650. System.InvalidOperationException: Writing is not allowed after writer was completed.
  3651. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  3652. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3653. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3654. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  3655. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  3656. Failed writing message. Aborting connection.
  3657. System.InvalidOperationException: Writing is not allowed after writer was completed.
  3658. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  3659. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3660. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3661. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  3662. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  3663. Failed writing message. Aborting connection.
  3664. System.InvalidOperationException: Writing is not allowed after writer was completed.
  3665. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  3666. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3667. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3668. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  3669. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  3670. Failed writing message. Aborting connection.
  3671. System.InvalidOperationException: Writing is not allowed after writer was completed.
  3672. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  3673. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3674. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3675. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  3676. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  3677. Failed writing message. Aborting connection.
  3678. System.InvalidOperationException: Writing is not allowed after writer was completed.
  3679. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  3680. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3681. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3682. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  3683. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  3684. Failed writing message. Aborting connection.
  3685. System.InvalidOperationException: Writing is not allowed after writer was completed.
  3686. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  3687. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3688. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3689. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  3690. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  3691. Failed writing message. Aborting connection.
  3692. System.InvalidOperationException: Writing is not allowed after writer was completed.
  3693. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  3694. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3695. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3696. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  3697. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  3698. Failed writing message. Aborting connection.
  3699. System.InvalidOperationException: Writing is not allowed after writer was completed.
  3700. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  3701. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3702. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3703. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  3704. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  3705. Failed writing message. Aborting connection.
  3706. System.InvalidOperationException: Writing is not allowed after writer was completed.
  3707. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  3708. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3709. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3710. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  3711. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  3712. Failed writing message. Aborting connection.
  3713. System.InvalidOperationException: Writing is not allowed after writer was completed.
  3714. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  3715. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3716. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3717. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  3718. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  3719. Failed writing message. Aborting connection.
  3720. System.InvalidOperationException: Writing is not allowed after writer was completed.
  3721. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  3722. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3723. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3724. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  3725. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  3726. Failed writing message. Aborting connection.
  3727. System.InvalidOperationException: Writing is not allowed after writer was completed.
  3728. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  3729. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3730. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3731. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  3732. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  3733. Failed writing message. Aborting connection.
  3734. System.InvalidOperationException: Writing is not allowed after writer was completed.
  3735. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  3736. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3737. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3738. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  3739. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  3740. Failed writing message. Aborting connection.
  3741. System.InvalidOperationException: Writing is not allowed after writer was completed.
  3742. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  3743. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3744. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3745. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  3746. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  3747. Failed writing message. Aborting connection.
  3748. System.InvalidOperationException: Writing is not allowed after writer was completed.
  3749. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  3750. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3751. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3752. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  3753. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  3754. Failed writing message. Aborting connection.
  3755. System.InvalidOperationException: Writing is not allowed after writer was completed.
  3756. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  3757. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3758. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3759. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  3760. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  3761. Failed writing message. Aborting connection.
  3762. System.InvalidOperationException: Writing is not allowed after writer was completed.
  3763. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  3764. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3765. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3766. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  3767. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  3768. Failed writing message. Aborting connection.
  3769. System.InvalidOperationException: Writing is not allowed after writer was completed.
  3770. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  3771. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3772. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3773. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  3774. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  3775. Failed writing message. Aborting connection.
  3776. System.InvalidOperationException: Writing is not allowed after writer was completed.
  3777. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  3778. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3779. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3780. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  3781. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  3782. Failed writing message. Aborting connection.
  3783. System.InvalidOperationException: Writing is not allowed after writer was completed.
  3784. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  3785. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3786. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3787. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  3788. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  3789. Failed writing message. Aborting connection.
  3790. System.InvalidOperationException: Writing is not allowed after writer was completed.
  3791. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  3792. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3793. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3794. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  3795. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  3796. Failed writing message. Aborting connection.
  3797. System.InvalidOperationException: Writing is not allowed after writer was completed.
  3798. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  3799. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3800. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3801. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  3802. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  3803. Failed writing message. Aborting connection.
  3804. System.InvalidOperationException: Writing is not allowed after writer was completed.
  3805. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  3806. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3807. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3808. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  3809. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  3810. Failed writing message. Aborting connection.
  3811. System.InvalidOperationException: Writing is not allowed after writer was completed.
  3812. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  3813. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3814. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3815. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  3816. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  3817. Failed writing message. Aborting connection.
  3818. System.InvalidOperationException: Writing is not allowed after writer was completed.
  3819. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  3820. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3821. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3822. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  3823. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  3824. Failed writing message. Aborting connection.
  3825. System.InvalidOperationException: Writing is not allowed after writer was completed.
  3826. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  3827. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3828. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3829. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  3830. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  3831. Failed writing message. Aborting connection.
  3832. System.InvalidOperationException: Writing is not allowed after writer was completed.
  3833. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  3834. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3835. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3836. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  3837. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  3838. Failed writing message. Aborting connection.
  3839. System.InvalidOperationException: Writing is not allowed after writer was completed.
  3840. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  3841. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3842. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3843. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  3844. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  3845. Failed writing message. Aborting connection.
  3846. System.InvalidOperationException: Writing is not allowed after writer was completed.
  3847. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  3848. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3849. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3850. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  3851. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  3852. Failed writing message. Aborting connection.
  3853. System.InvalidOperationException: Writing is not allowed after writer was completed.
  3854. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  3855. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3856. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3857. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  3858. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  3859. Failed writing message. Aborting connection.
  3860. System.InvalidOperationException: Writing is not allowed after writer was completed.
  3861. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  3862. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3863. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3864. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  3865. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  3866. Failed writing message. Aborting connection.
  3867. System.InvalidOperationException: Writing is not allowed after writer was completed.
  3868. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  3869. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3870. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3871. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  3872. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  3873. Failed writing message. Aborting connection.
  3874. System.InvalidOperationException: Writing is not allowed after writer was completed.
  3875. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  3876. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3877. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3878. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  3879. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  3880. Failed writing message. Aborting connection.
  3881. System.InvalidOperationException: Writing is not allowed after writer was completed.
  3882. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  3883. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3884. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3885. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  3886. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  3887. Failed writing message. Aborting connection.
  3888. System.InvalidOperationException: Writing is not allowed after writer was completed.
  3889. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  3890. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3891. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3892. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  3893. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  3894. Failed writing message. Aborting connection.
  3895. System.InvalidOperationException: Writing is not allowed after writer was completed.
  3896. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  3897. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3898. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3899. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  3900. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  3901. Failed writing message. Aborting connection.
  3902. System.InvalidOperationException: Writing is not allowed after writer was completed.
  3903. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  3904. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3905. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3906. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  3907. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  3908. Failed writing message. Aborting connection.
  3909. System.InvalidOperationException: Writing is not allowed after writer was completed.
  3910. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  3911. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3912. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3913. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  3914. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  3915. Failed writing message. Aborting connection.
  3916. System.InvalidOperationException: Writing is not allowed after writer was completed.
  3917. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  3918. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3919. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3920. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  3921. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  3922. Failed writing message. Aborting connection.
  3923. System.InvalidOperationException: Writing is not allowed after writer was completed.
  3924. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  3925. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3926. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3927. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  3928. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  3929. Failed writing message. Aborting connection.
  3930. System.InvalidOperationException: Writing is not allowed after writer was completed.
  3931. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  3932. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3933. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3934. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  3935. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  3936. Failed writing message. Aborting connection.
  3937. System.InvalidOperationException: Writing is not allowed after writer was completed.
  3938. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  3939. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3940. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3941. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  3942. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  3943. Failed writing message. Aborting connection.
  3944. System.InvalidOperationException: Writing is not allowed after writer was completed.
  3945. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  3946. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3947. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3948. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  3949. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  3950. Failed writing message. Aborting connection.
  3951. System.InvalidOperationException: Writing is not allowed after writer was completed.
  3952. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  3953. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3954. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3955. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  3956. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  3957. Failed writing message. Aborting connection.
  3958. System.InvalidOperationException: Writing is not allowed after writer was completed.
  3959. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  3960. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3961. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3962. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  3963. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  3964. Failed writing message. Aborting connection.
  3965. System.InvalidOperationException: Writing is not allowed after writer was completed.
  3966. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  3967. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3968. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3969. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  3970. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  3971. Failed writing message. Aborting connection.
  3972. System.InvalidOperationException: Writing is not allowed after writer was completed.
  3973. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  3974. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3975. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3976. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  3977. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  3978. Failed writing message. Aborting connection.
  3979. System.InvalidOperationException: Writing is not allowed after writer was completed.
  3980. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  3981. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3982. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3983. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  3984. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  3985. Failed writing message. Aborting connection.
  3986. System.InvalidOperationException: Writing is not allowed after writer was completed.
  3987. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  3988. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3989. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3990. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  3991. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  3992. Failed writing message. Aborting connection.
  3993. System.InvalidOperationException: Writing is not allowed after writer was completed.
  3994. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  3995. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3996. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3997. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  3998. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  3999. Failed writing message. Aborting connection.
  4000. System.InvalidOperationException: Writing is not allowed after writer was completed.
  4001. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  4002. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4003. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4004. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  4005. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  4006. Failed writing message. Aborting connection.
  4007. System.InvalidOperationException: Writing is not allowed after writer was completed.
  4008. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  4009. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4010. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4011. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  4012. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  4013. Failed writing message. Aborting connection.
  4014. System.InvalidOperationException: Writing is not allowed after writer was completed.
  4015. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  4016. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4017. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4018. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  4019. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  4020. Failed writing message. Aborting connection.
  4021. System.InvalidOperationException: Writing is not allowed after writer was completed.
  4022. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  4023. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4024. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4025. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  4026. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  4027. Failed writing message. Aborting connection.
  4028. System.InvalidOperationException: Writing is not allowed after writer was completed.
  4029. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  4030. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4031. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4032. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  4033. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  4034. Failed writing message. Aborting connection.
  4035. System.InvalidOperationException: Writing is not allowed after writer was completed.
  4036. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  4037. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4038. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4039. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  4040. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  4041. Failed writing message. Aborting connection.
  4042. System.InvalidOperationException: Writing is not allowed after writer was completed.
  4043. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  4044. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4045. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4046. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  4047. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  4048. Failed writing message. Aborting connection.
  4049. System.InvalidOperationException: Writing is not allowed after writer was completed.
  4050. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  4051. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4052. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4053. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  4054. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  4055. Failed writing message. Aborting connection.
  4056. System.InvalidOperationException: Writing is not allowed after writer was completed.
  4057. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  4058. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4059. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4060. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  4061. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  4062. Failed writing message. Aborting connection.
  4063. System.InvalidOperationException: Writing is not allowed after writer was completed.
  4064. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  4065. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4066. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4067. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  4068. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  4069. Failed writing message. Aborting connection.
  4070. System.InvalidOperationException: Writing is not allowed after writer was completed.
  4071. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  4072. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4073. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4074. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  4075. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  4076. Failed writing message. Aborting connection.
  4077. System.InvalidOperationException: Writing is not allowed after writer was completed.
  4078. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  4079. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4080. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4081. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  4082. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  4083. Failed writing message. Aborting connection.
  4084. System.InvalidOperationException: Writing is not allowed after writer was completed.
  4085. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  4086. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4087. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4088. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  4089. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  4090. Failed writing message. Aborting connection.
  4091. System.InvalidOperationException: Writing is not allowed after writer was completed.
  4092. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  4093. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4094. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4095. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  4096. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  4097. Failed writing message. Aborting connection.
  4098. System.InvalidOperationException: Writing is not allowed after writer was completed.
  4099. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  4100. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4101. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4102. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  4103. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  4104. Failed writing message. Aborting connection.
  4105. System.InvalidOperationException: Writing is not allowed after writer was completed.
  4106. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  4107. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4108. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4109. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  4110. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  4111. Failed writing message. Aborting connection.
  4112. System.InvalidOperationException: Writing is not allowed after writer was completed.
  4113. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  4114. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4115. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4116. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  4117. [00:25:00] Current: 87530, peak: 92506, connected: 0, disconnected: 2170, rate: -2170/s
  4118. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  4119. Failed writing message. Aborting connection.
  4120. System.InvalidOperationException: Writing is not allowed after writer was completed.
  4121. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  4122. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4123. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4124. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  4125. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  4126. Failed writing message. Aborting connection.
  4127. System.InvalidOperationException: Writing is not allowed after writer was completed.
  4128. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  4129. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4130. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4131. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  4132. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  4133. Failed writing message. Aborting connection.
  4134. System.InvalidOperationException: Writing is not allowed after writer was completed.
  4135. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  4136. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4137. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4138. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  4139. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  4140. Failed writing message. Aborting connection.
  4141. System.InvalidOperationException: Writing is not allowed after writer was completed.
  4142. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  4143. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4144. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4145. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  4146. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  4147. Failed writing message. Aborting connection.
  4148. System.InvalidOperationException: Writing is not allowed after writer was completed.
  4149. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  4150. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4151. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4152. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  4153. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  4154. Failed writing message. Aborting connection.
  4155. System.InvalidOperationException: Writing is not allowed after writer was completed.
  4156. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  4157. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4158. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4159. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  4160. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  4161. Failed writing message. Aborting connection.
  4162. System.InvalidOperationException: Writing is not allowed after writer was completed.
  4163. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  4164. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4165. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4166. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  4167. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  4168. Failed writing message. Aborting connection.
  4169. System.InvalidOperationException: Writing is not allowed after writer was completed.
  4170. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  4171. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4172. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4173. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  4174. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  4175. Failed writing message. Aborting connection.
  4176. System.InvalidOperationException: Writing is not allowed after writer was completed.
  4177. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  4178. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4179. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4180. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  4181. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  4182. Failed writing message. Aborting connection.
  4183. System.InvalidOperationException: Writing is not allowed after writer was completed.
  4184. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  4185. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4186. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4187. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  4188. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  4189. Failed writing message. Aborting connection.
  4190. System.InvalidOperationException: Writing is not allowed after writer was completed.
  4191. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  4192. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4193. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4194. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  4195. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  4196. Failed writing message. Aborting connection.
  4197. System.InvalidOperationException: Writing is not allowed after writer was completed.
  4198. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  4199. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4200. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4201. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  4202. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  4203. Failed writing message. Aborting connection.
  4204. System.InvalidOperationException: Writing is not allowed after writer was completed.
  4205. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  4206. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4207. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4208. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  4209. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  4210. Failed writing message. Aborting connection.
  4211. System.InvalidOperationException: Writing is not allowed after writer was completed.
  4212. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  4213. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4214. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4215. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  4216. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  4217. Failed writing message. Aborting connection.
  4218. System.InvalidOperationException: Writing is not allowed after writer was completed.
  4219. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  4220. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4221. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4222. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  4223. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  4224. Failed writing message. Aborting connection.
  4225. System.InvalidOperationException: Writing is not allowed after writer was completed.
  4226. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  4227. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4228. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4229. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  4230. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  4231. Failed writing message. Aborting connection.
  4232. System.InvalidOperationException: Writing is not allowed after writer was completed.
  4233. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  4234. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4235. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4236. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  4237. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  4238. Failed writing message. Aborting connection.
  4239. System.InvalidOperationException: Writing is not allowed after writer was completed.
  4240. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  4241. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4242. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4243. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  4244. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  4245. Failed writing message. Aborting connection.
  4246. System.InvalidOperationException: Writing is not allowed after writer was completed.
  4247. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  4248. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4249. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4250. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  4251. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  4252. Failed writing message. Aborting connection.
  4253. System.InvalidOperationException: Writing is not allowed after writer was completed.
  4254. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  4255. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4256. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4257. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  4258. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  4259. Failed writing message. Aborting connection.
  4260. System.InvalidOperationException: Writing is not allowed after writer was completed.
  4261. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  4262. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4263. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4264. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  4265. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  4266. Failed writing message. Aborting connection.
  4267. System.InvalidOperationException: Writing is not allowed after writer was completed.
  4268. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  4269. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4270. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4271. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  4272. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  4273. Failed writing message. Aborting connection.
  4274. System.InvalidOperationException: Writing is not allowed after writer was completed.
  4275. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  4276. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4277. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4278. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  4279. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  4280. Failed writing message. Aborting connection.
  4281. System.InvalidOperationException: Writing is not allowed after writer was completed.
  4282. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  4283. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4284. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4285. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  4286. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  4287. Failed writing message. Aborting connection.
  4288. System.InvalidOperationException: Writing is not allowed after writer was completed.
  4289. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  4290. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4291. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4292. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  4293. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  4294. Failed writing message. Aborting connection.
  4295. System.InvalidOperationException: Writing is not allowed after writer was completed.
  4296. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  4297. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4298. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4299. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  4300. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  4301. Failed writing message. Aborting connection.
  4302. System.InvalidOperationException: Writing is not allowed after writer was completed.
  4303. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  4304. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4305. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4306. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  4307. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  4308. Failed writing message. Aborting connection.
  4309. System.InvalidOperationException: Writing is not allowed after writer was completed.
  4310. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  4311. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4312. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4313. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  4314. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  4315. Failed writing message. Aborting connection.
  4316. System.InvalidOperationException: Writing is not allowed after writer was completed.
  4317. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  4318. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4319. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4320. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  4321. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  4322. Failed writing message. Aborting connection.
  4323. System.InvalidOperationException: Writing is not allowed after writer was completed.
  4324. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  4325. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4326. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4327. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  4328. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  4329. Failed writing message. Aborting connection.
  4330. System.InvalidOperationException: Writing is not allowed after writer was completed.
  4331. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  4332. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4333. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4334. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  4335. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  4336. Failed writing message. Aborting connection.
  4337. System.InvalidOperationException: Writing is not allowed after writer was completed.
  4338. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  4339. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4340. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4341. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  4342. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  4343. Failed writing message. Aborting connection.
  4344. System.InvalidOperationException: Writing is not allowed after writer was completed.
  4345. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  4346. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4347. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4348. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  4349. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  4350. Failed writing message. Aborting connection.
  4351. System.InvalidOperationException: Writing is not allowed after writer was completed.
  4352. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  4353. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4354. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4355. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  4356. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  4357. Failed writing message. Aborting connection.
  4358. System.InvalidOperationException: Writing is not allowed after writer was completed.
  4359. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  4360. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4361. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4362. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  4363. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  4364. Failed writing message. Aborting connection.
  4365. System.InvalidOperationException: Writing is not allowed after writer was completed.
  4366. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  4367. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4368. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4369. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  4370. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  4371. Failed writing message. Aborting connection.
  4372. System.InvalidOperationException: Writing is not allowed after writer was completed.
  4373. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  4374. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4375. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4376. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  4377. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  4378. Failed writing message. Aborting connection.
  4379. System.InvalidOperationException: Writing is not allowed after writer was completed.
  4380. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  4381. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4382. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4383. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  4384. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  4385. Failed writing message. Aborting connection.
  4386. System.InvalidOperationException: Writing is not allowed after writer was completed.
  4387. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  4388. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4389. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4390. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  4391. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  4392. Failed writing message. Aborting connection.
  4393. System.InvalidOperationException: Writing is not allowed after writer was completed.
  4394. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  4395. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4396. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4397. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  4398. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  4399. Failed writing message. Aborting connection.
  4400. System.InvalidOperationException: Writing is not allowed after writer was completed.
  4401. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  4402. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4403. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4404. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  4405. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  4406. Failed writing message. Aborting connection.
  4407. System.InvalidOperationException: Writing is not allowed after writer was completed.
  4408. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  4409. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4410. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4411. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  4412. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  4413. Failed writing message. Aborting connection.
  4414. System.InvalidOperationException: Writing is not allowed after writer was completed.
  4415. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  4416. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4417. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4418. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  4419. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  4420. Failed writing message. Aborting connection.
  4421. System.InvalidOperationException: Writing is not allowed after writer was completed.
  4422. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  4423. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4424. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4425. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  4426. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  4427. Failed writing message. Aborting connection.
  4428. System.InvalidOperationException: Writing is not allowed after writer was completed.
  4429. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  4430. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4431. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4432. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  4433. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  4434. Failed writing message. Aborting connection.
  4435. System.InvalidOperationException: Writing is not allowed after writer was completed.
  4436. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  4437. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4438. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4439. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  4440. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  4441. Failed writing message. Aborting connection.
  4442. System.InvalidOperationException: Writing is not allowed after writer was completed.
  4443. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  4444. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4445. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4446. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  4447. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  4448. Failed writing message. Aborting connection.
  4449. System.InvalidOperationException: Writing is not allowed after writer was completed.
  4450. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  4451. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4452. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4453. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  4454. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  4455. Failed writing message. Aborting connection.
  4456. System.InvalidOperationException: Writing is not allowed after writer was completed.
  4457. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  4458. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4459. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4460. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  4461. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  4462. Failed writing message. Aborting connection.
  4463. System.InvalidOperationException: Writing is not allowed after writer was completed.
  4464. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  4465. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4466. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4467. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  4468. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  4469. Failed writing message. Aborting connection.
  4470. System.InvalidOperationException: Writing is not allowed after writer was completed.
  4471. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  4472. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4473. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4474. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  4475. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  4476. Failed writing message. Aborting connection.
  4477. System.InvalidOperationException: Writing is not allowed after writer was completed.
  4478. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  4479. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4480. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4481. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  4482. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  4483. Failed writing message. Aborting connection.
  4484. System.InvalidOperationException: Writing is not allowed after writer was completed.
  4485. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  4486. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4487. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4488. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  4489. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  4490. Failed writing message. Aborting connection.
  4491. System.InvalidOperationException: Writing is not allowed after writer was completed.
  4492. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  4493. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4494. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4495. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  4496. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  4497. Failed writing message. Aborting connection.
  4498. System.InvalidOperationException: Writing is not allowed after writer was completed.
  4499. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  4500. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4501. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4502. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  4503. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  4504. Failed writing message. Aborting connection.
  4505. System.InvalidOperationException: Writing is not allowed after writer was completed.
  4506. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  4507. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4508. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4509. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  4510. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  4511. Failed writing message. Aborting connection.
  4512. System.InvalidOperationException: Writing is not allowed after writer was completed.
  4513. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  4514. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4515. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4516. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  4517. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  4518. Failed writing message. Aborting connection.
  4519. System.InvalidOperationException: Writing is not allowed after writer was completed.
  4520. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  4521. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4522. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4523. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  4524. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  4525. Failed writing message. Aborting connection.
  4526. System.InvalidOperationException: Writing is not allowed after writer was completed.
  4527. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  4528. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4529. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4530. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  4531. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  4532. Failed writing message. Aborting connection.
  4533. System.InvalidOperationException: Writing is not allowed after writer was completed.
  4534. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  4535. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4536. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4537. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  4538. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  4539. Failed writing message. Aborting connection.
  4540. System.InvalidOperationException: Writing is not allowed after writer was completed.
  4541. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  4542. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4543. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4544. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  4545. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  4546. Failed writing message. Aborting connection.
  4547. System.InvalidOperationException: Writing is not allowed after writer was completed.
  4548. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  4549. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4550. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4551. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  4552. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  4553. Failed writing message. Aborting connection.
  4554. System.InvalidOperationException: Writing is not allowed after writer was completed.
  4555. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  4556. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4557. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4558. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  4559. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  4560. Failed writing message. Aborting connection.
  4561. System.InvalidOperationException: Writing is not allowed after writer was completed.
  4562. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  4563. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4564. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4565. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  4566. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  4567. Failed writing message. Aborting connection.
  4568. System.InvalidOperationException: Writing is not allowed after writer was completed.
  4569. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  4570. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4571. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4572. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  4573. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  4574. Failed writing message. Aborting connection.
  4575. System.InvalidOperationException: Writing is not allowed after writer was completed.
  4576. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  4577. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4578. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4579. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  4580. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  4581. Failed writing message. Aborting connection.
  4582. System.InvalidOperationException: Writing is not allowed after writer was completed.
  4583. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  4584. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4585. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4586. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  4587. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  4588. Failed writing message. Aborting connection.
  4589. System.InvalidOperationException: Writing is not allowed after writer was completed.
  4590. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  4591. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4592. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4593. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  4594. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  4595. Failed writing message. Aborting connection.
  4596. System.InvalidOperationException: Writing is not allowed after writer was completed.
  4597. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  4598. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4599. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4600. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  4601. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  4602. Failed writing message. Aborting connection.
  4603. System.InvalidOperationException: Writing is not allowed after writer was completed.
  4604. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  4605. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4606. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4607. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  4608. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  4609. Failed writing message. Aborting connection.
  4610. System.InvalidOperationException: Writing is not allowed after writer was completed.
  4611. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  4612. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4613. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4614. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  4615. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  4616. Failed writing message. Aborting connection.
  4617. System.InvalidOperationException: Writing is not allowed after writer was completed.
  4618. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  4619. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4620. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4621. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  4622. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  4623. Failed writing message. Aborting connection.
  4624. System.InvalidOperationException: Writing is not allowed after writer was completed.
  4625. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  4626. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4627. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4628. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  4629. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  4630. Failed writing message. Aborting connection.
  4631. System.InvalidOperationException: Writing is not allowed after writer was completed.
  4632. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  4633. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4634. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4635. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  4636. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  4637. Failed writing message. Aborting connection.
  4638. System.InvalidOperationException: Writing is not allowed after writer was completed.
  4639. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  4640. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4641. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4642. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  4643. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  4644. Failed writing message. Aborting connection.
  4645. System.InvalidOperationException: Writing is not allowed after writer was completed.
  4646. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  4647. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4648. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4649. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  4650. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  4651. Failed writing message. Aborting connection.
  4652. System.InvalidOperationException: Writing is not allowed after writer was completed.
  4653. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  4654. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4655. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4656. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  4657. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  4658. Failed writing message. Aborting connection.
  4659. System.InvalidOperationException: Writing is not allowed after writer was completed.
  4660. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  4661. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4662. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4663. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  4664. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  4665. Failed writing message. Aborting connection.
  4666. System.InvalidOperationException: Writing is not allowed after writer was completed.
  4667. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  4668. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4669. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4670. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  4671. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  4672. Failed writing message. Aborting connection.
  4673. System.InvalidOperationException: Writing is not allowed after writer was completed.
  4674. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  4675. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4676. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4677. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  4678. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  4679. Failed writing message. Aborting connection.
  4680. System.InvalidOperationException: Writing is not allowed after writer was completed.
  4681. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  4682. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4683. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4684. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  4685. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  4686. Failed writing message. Aborting connection.
  4687. System.InvalidOperationException: Writing is not allowed after writer was completed.
  4688. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  4689. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4690. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4691. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  4692. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  4693. Failed writing message. Aborting connection.
  4694. System.InvalidOperationException: Writing is not allowed after writer was completed.
  4695. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  4696. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4697. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4698. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  4699. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  4700. Failed writing message. Aborting connection.
  4701. System.InvalidOperationException: Writing is not allowed after writer was completed.
  4702. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  4703. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4704. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4705. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  4706. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  4707. Failed writing message. Aborting connection.
  4708. System.InvalidOperationException: Writing is not allowed after writer was completed.
  4709. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  4710. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4711. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4712. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  4713. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  4714. Failed writing message. Aborting connection.
  4715. System.InvalidOperationException: Writing is not allowed after writer was completed.
  4716. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  4717. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4718. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4719. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  4720. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  4721. Failed writing message. Aborting connection.
  4722. System.InvalidOperationException: Writing is not allowed after writer was completed.
  4723. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  4724. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4725. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4726. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  4727. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  4728. Failed writing message. Aborting connection.
  4729. System.InvalidOperationException: Writing is not allowed after writer was completed.
  4730. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  4731. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4732. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4733. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  4734. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  4735. Failed writing message. Aborting connection.
  4736. System.InvalidOperationException: Writing is not allowed after writer was completed.
  4737. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  4738. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4739. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4740. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  4741. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  4742. Failed writing message. Aborting connection.
  4743. System.InvalidOperationException: Writing is not allowed after writer was completed.
  4744. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  4745. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4746. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4747. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  4748. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  4749. Failed writing message. Aborting connection.
  4750. System.InvalidOperationException: Writing is not allowed after writer was completed.
  4751. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  4752. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4753. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4754. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  4755. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  4756. Failed writing message. Aborting connection.
  4757. System.InvalidOperationException: Writing is not allowed after writer was completed.
  4758. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  4759. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4760. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4761. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  4762. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  4763. Failed writing message. Aborting connection.
  4764. System.InvalidOperationException: Writing is not allowed after writer was completed.
  4765. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  4766. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4767. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4768. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  4769. [00:25:01] Current: 87403, peak: 92506, connected: 0, disconnected: 127, rate: -127/s
  4770. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  4771. Failed writing message. Aborting connection.
  4772. System.InvalidOperationException: Writing is not allowed after writer was completed.
  4773. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  4774. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4775. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4776. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  4777. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  4778. Failed writing message. Aborting connection.
  4779. System.InvalidOperationException: Writing is not allowed after writer was completed.
  4780. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  4781. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4782. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4783. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  4784. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  4785. Failed writing message. Aborting connection.
  4786. System.InvalidOperationException: Writing is not allowed after writer was completed.
  4787. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  4788. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4789. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4790. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  4791. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  4792. Failed writing message. Aborting connection.
  4793. System.InvalidOperationException: Writing is not allowed after writer was completed.
  4794. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  4795. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4796. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4797. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  4798. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  4799. Failed writing message. Aborting connection.
  4800. System.InvalidOperationException: Writing is not allowed after writer was completed.
  4801. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  4802. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4803. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4804. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  4805. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  4806. Failed writing message. Aborting connection.
  4807. System.InvalidOperationException: Writing is not allowed after writer was completed.
  4808. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  4809. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4810. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4811. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  4812. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  4813. Failed writing message. Aborting connection.
  4814. System.InvalidOperationException: Writing is not allowed after writer was completed.
  4815. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  4816. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4817. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4818. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  4819. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  4820. Failed writing message. Aborting connection.
  4821. System.InvalidOperationException: Writing is not allowed after writer was completed.
  4822. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  4823. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4824. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4825. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  4826. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  4827. Failed writing message. Aborting connection.
  4828. System.InvalidOperationException: Writing is not allowed after writer was completed.
  4829. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  4830. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4831. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4832. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  4833. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  4834. Failed writing message. Aborting connection.
  4835. System.InvalidOperationException: Writing is not allowed after writer was completed.
  4836. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  4837. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4838. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4839. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  4840. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  4841. Failed writing message. Aborting connection.
  4842. System.InvalidOperationException: Writing is not allowed after writer was completed.
  4843. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  4844. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4845. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4846. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  4847. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  4848. Failed writing message. Aborting connection.
  4849. System.InvalidOperationException: Writing is not allowed after writer was completed.
  4850. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  4851. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4852. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4853. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  4854. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  4855. Failed writing message. Aborting connection.
  4856. System.InvalidOperationException: Writing is not allowed after writer was completed.
  4857. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  4858. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4859. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4860. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  4861. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  4862. Failed writing message. Aborting connection.
  4863. System.InvalidOperationException: Writing is not allowed after writer was completed.
  4864. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  4865. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4866. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4867. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  4868. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  4869. Failed writing message. Aborting connection.
  4870. System.InvalidOperationException: Writing is not allowed after writer was completed.
  4871. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  4872. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4873. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4874. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  4875. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  4876. Failed writing message. Aborting connection.
  4877. System.InvalidOperationException: Writing is not allowed after writer was completed.
  4878. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  4879. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4880. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4881. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  4882. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  4883. Failed writing message. Aborting connection.
  4884. System.InvalidOperationException: Writing is not allowed after writer was completed.
  4885. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  4886. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4887. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4888. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  4889. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  4890. Failed writing message. Aborting connection.
  4891. System.InvalidOperationException: Writing is not allowed after writer was completed.
  4892. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  4893. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4894. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4895. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  4896. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  4897. Failed writing message. Aborting connection.
  4898. System.InvalidOperationException: Writing is not allowed after writer was completed.
  4899. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  4900. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4901. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4902. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  4903. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  4904. Failed writing message. Aborting connection.
  4905. System.InvalidOperationException: Writing is not allowed after writer was completed.
  4906. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  4907. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4908. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4909. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  4910. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  4911. Failed writing message. Aborting connection.
  4912. System.InvalidOperationException: Writing is not allowed after writer was completed.
  4913. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  4914. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4915. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4916. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  4917. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  4918. Failed writing message. Aborting connection.
  4919. System.InvalidOperationException: Writing is not allowed after writer was completed.
  4920. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  4921. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4922. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4923. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  4924. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  4925. Failed writing message. Aborting connection.
  4926. System.InvalidOperationException: Writing is not allowed after writer was completed.
  4927. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  4928. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4929. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4930. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  4931. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  4932. Failed writing message. Aborting connection.
  4933. System.InvalidOperationException: Writing is not allowed after writer was completed.
  4934. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  4935. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4936. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4937. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  4938. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  4939. Failed writing message. Aborting connection.
  4940. System.InvalidOperationException: Writing is not allowed after writer was completed.
  4941. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  4942. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4943. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4944. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  4945. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  4946. Failed writing message. Aborting connection.
  4947. System.InvalidOperationException: Writing is not allowed after writer was completed.
  4948. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  4949. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4950. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4951. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  4952. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  4953. Failed writing message. Aborting connection.
  4954. System.InvalidOperationException: Writing is not allowed after writer was completed.
  4955. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  4956. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4957. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4958. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  4959. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  4960. Failed writing message. Aborting connection.
  4961. System.InvalidOperationException: Writing is not allowed after writer was completed.
  4962. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  4963. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4964. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4965. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  4966. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  4967. Failed writing message. Aborting connection.
  4968. System.InvalidOperationException: Writing is not allowed after writer was completed.
  4969. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  4970. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4971. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4972. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  4973. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  4974. Failed writing message. Aborting connection.
  4975. System.InvalidOperationException: Writing is not allowed after writer was completed.
  4976. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  4977. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4978. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4979. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  4980. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  4981. Failed writing message. Aborting connection.
  4982. System.InvalidOperationException: Writing is not allowed after writer was completed.
  4983. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  4984. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4985. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4986. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  4987. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  4988. Failed writing message. Aborting connection.
  4989. System.InvalidOperationException: Writing is not allowed after writer was completed.
  4990. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  4991. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4992. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4993. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  4994. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  4995. Failed writing message. Aborting connection.
  4996. System.InvalidOperationException: Writing is not allowed after writer was completed.
  4997. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  4998. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4999. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5000. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  5001. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  5002. Failed writing message. Aborting connection.
  5003. System.InvalidOperationException: Writing is not allowed after writer was completed.
  5004. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  5005. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5006. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5007. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  5008. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  5009. Failed writing message. Aborting connection.
  5010. System.InvalidOperationException: Writing is not allowed after writer was completed.
  5011. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  5012. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5013. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5014. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  5015. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  5016. Failed writing message. Aborting connection.
  5017. System.InvalidOperationException: Writing is not allowed after writer was completed.
  5018. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  5019. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5020. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5021. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  5022. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  5023. Failed writing message. Aborting connection.
  5024. System.InvalidOperationException: Writing is not allowed after writer was completed.
  5025. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  5026. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5027. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5028. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  5029. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  5030. Failed writing message. Aborting connection.
  5031. System.InvalidOperationException: Writing is not allowed after writer was completed.
  5032. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  5033. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5034. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5035. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  5036. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  5037. Failed writing message. Aborting connection.
  5038. System.InvalidOperationException: Writing is not allowed after writer was completed.
  5039. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  5040. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5041. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5042. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  5043. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  5044. Failed writing message. Aborting connection.
  5045. System.InvalidOperationException: Writing is not allowed after writer was completed.
  5046. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  5047. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5048. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5049. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  5050. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  5051. Failed writing message. Aborting connection.
  5052. System.InvalidOperationException: Writing is not allowed after writer was completed.
  5053. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  5054. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5055. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5056. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  5057. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  5058. Failed writing message. Aborting connection.
  5059. System.InvalidOperationException: Writing is not allowed after writer was completed.
  5060. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  5061. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5062. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5063. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  5064. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  5065. Failed writing message. Aborting connection.
  5066. System.InvalidOperationException: Writing is not allowed after writer was completed.
  5067. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  5068. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5069. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5070. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  5071. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  5072. Failed writing message. Aborting connection.
  5073. System.InvalidOperationException: Writing is not allowed after writer was completed.
  5074. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  5075. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5076. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5077. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  5078. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  5079. Failed writing message. Aborting connection.
  5080. System.InvalidOperationException: Writing is not allowed after writer was completed.
  5081. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  5082. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5083. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5084. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  5085. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  5086. Failed writing message. Aborting connection.
  5087. System.InvalidOperationException: Writing is not allowed after writer was completed.
  5088. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  5089. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5090. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5091. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  5092. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  5093. Failed writing message. Aborting connection.
  5094. System.InvalidOperationException: Writing is not allowed after writer was completed.
  5095. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  5096. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5097. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5098. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  5099. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  5100. Failed writing message. Aborting connection.
  5101. System.InvalidOperationException: Writing is not allowed after writer was completed.
  5102. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  5103. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5104. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5105. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  5106. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  5107. Failed writing message. Aborting connection.
  5108. System.InvalidOperationException: Writing is not allowed after writer was completed.
  5109. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  5110. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5111. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5112. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  5113. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  5114. Failed writing message. Aborting connection.
  5115. System.InvalidOperationException: Writing is not allowed after writer was completed.
  5116. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  5117. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5118. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5119. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  5120. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  5121. Failed writing message. Aborting connection.
  5122. System.InvalidOperationException: Writing is not allowed after writer was completed.
  5123. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  5124. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5125. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5126. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  5127. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  5128. Failed writing message. Aborting connection.
  5129. System.InvalidOperationException: Writing is not allowed after writer was completed.
  5130. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  5131. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5132. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5133. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  5134. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  5135. Failed writing message. Aborting connection.
  5136. System.InvalidOperationException: Writing is not allowed after writer was completed.
  5137. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  5138. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5139. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5140. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  5141. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  5142. Failed writing message. Aborting connection.
  5143. System.InvalidOperationException: Writing is not allowed after writer was completed.
  5144. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  5145. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5146. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5147. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  5148. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  5149. Failed writing message. Aborting connection.
  5150. System.InvalidOperationException: Writing is not allowed after writer was completed.
  5151. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  5152. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5153. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5154. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  5155. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  5156. Failed writing message. Aborting connection.
  5157. System.InvalidOperationException: Writing is not allowed after writer was completed.
  5158. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  5159. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5160. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5161. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  5162. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  5163. Failed writing message. Aborting connection.
  5164. System.InvalidOperationException: Writing is not allowed after writer was completed.
  5165. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  5166. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5167. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5168. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  5169. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  5170. Failed writing message. Aborting connection.
  5171. System.InvalidOperationException: Writing is not allowed after writer was completed.
  5172. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  5173. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5174. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5175. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  5176. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  5177. Failed writing message. Aborting connection.
  5178. System.InvalidOperationException: Writing is not allowed after writer was completed.
  5179. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  5180. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5181. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5182. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  5183. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  5184. Failed writing message. Aborting connection.
  5185. System.InvalidOperationException: Writing is not allowed after writer was completed.
  5186. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  5187. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5188. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5189. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  5190. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  5191. Failed writing message. Aborting connection.
  5192. System.InvalidOperationException: Writing is not allowed after writer was completed.
  5193. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  5194. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5195. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5196. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  5197. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  5198. Failed writing message. Aborting connection.
  5199. System.InvalidOperationException: Writing is not allowed after writer was completed.
  5200. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  5201. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5202. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5203. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  5204. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  5205. Failed writing message. Aborting connection.
  5206. System.InvalidOperationException: Writing is not allowed after writer was completed.
  5207. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  5208. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5209. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5210. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  5211. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  5212. Failed writing message. Aborting connection.
  5213. System.InvalidOperationException: Writing is not allowed after writer was completed.
  5214. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  5215. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5216. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5217. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  5218. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  5219. Failed writing message. Aborting connection.
  5220. System.InvalidOperationException: Writing is not allowed after writer was completed.
  5221. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  5222. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5223. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5224. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  5225. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  5226. Failed writing message. Aborting connection.
  5227. System.InvalidOperationException: Writing is not allowed after writer was completed.
  5228. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  5229. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5230. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5231. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  5232. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  5233. Heartbeat took longer than "00:00:01" at "05/21/2019 10:00:11 +00:00".
  5234. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  5235. Failed writing message. Aborting connection.
  5236. System.InvalidOperationException: Writing is not allowed after writer was completed.
  5237. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  5238. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5239. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5240. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  5241. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  5242. Failed writing message. Aborting connection.
  5243. System.InvalidOperationException: Writing is not allowed after writer was completed.
  5244. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  5245. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5246. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5247. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  5248. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  5249. Failed writing message. Aborting connection.
  5250. System.InvalidOperationException: Writing is not allowed after writer was completed.
  5251. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  5252. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5253. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5254. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  5255. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  5256. Failed writing message. Aborting connection.
  5257. System.InvalidOperationException: Writing is not allowed after writer was completed.
  5258. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  5259. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5260. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5261. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  5262. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  5263. Failed writing message. Aborting connection.
  5264. System.InvalidOperationException: Writing is not allowed after writer was completed.
  5265. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  5266. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5267. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5268. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  5269. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  5270. Failed writing message. Aborting connection.
  5271. System.InvalidOperationException: Writing is not allowed after writer was completed.
  5272. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  5273. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5274. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5275. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  5276. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  5277. Failed writing message. Aborting connection.
  5278. System.InvalidOperationException: Writing is not allowed after writer was completed.
  5279. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  5280. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5281. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5282. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  5283. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  5284. Failed writing message. Aborting connection.
  5285. System.InvalidOperationException: Writing is not allowed after writer was completed.
  5286. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  5287. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5288. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5289. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  5290. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  5291. Failed writing message. Aborting connection.
  5292. System.InvalidOperationException: Writing is not allowed after writer was completed.
  5293. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  5294. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5295. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5296. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  5297. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  5298. Failed writing message. Aborting connection.
  5299. System.InvalidOperationException: Writing is not allowed after writer was completed.
  5300. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  5301. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5302. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5303. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  5304. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  5305. Failed writing message. Aborting connection.
  5306. System.InvalidOperationException: Writing is not allowed after writer was completed.
  5307. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  5308. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5309. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5310. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  5311. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  5312. Failed writing message. Aborting connection.
  5313. System.InvalidOperationException: Writing is not allowed after writer was completed.
  5314. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  5315. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5316. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5317. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  5318. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  5319. Failed writing message. Aborting connection.
  5320. System.InvalidOperationException: Writing is not allowed after writer was completed.
  5321. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  5322. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5323. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5324. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  5325. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  5326. Failed writing message. Aborting connection.
  5327. System.InvalidOperationException: Writing is not allowed after writer was completed.
  5328. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  5329. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5330. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5331. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  5332. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  5333. Failed writing message. Aborting connection.
  5334. System.InvalidOperationException: Writing is not allowed after writer was completed.
  5335. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  5336. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5337. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5338. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  5339. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  5340. Failed writing message. Aborting connection.
  5341. System.InvalidOperationException: Writing is not allowed after writer was completed.
  5342. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  5343. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5344. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5345. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  5346. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  5347. Failed writing message. Aborting connection.
  5348. System.InvalidOperationException: Writing is not allowed after writer was completed.
  5349. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  5350. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5351. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5352. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  5353. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  5354. Failed writing message. Aborting connection.
  5355. System.InvalidOperationException: Writing is not allowed after writer was completed.
  5356. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  5357. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5358. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5359. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  5360. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  5361. Failed writing message. Aborting connection.
  5362. System.InvalidOperationException: Writing is not allowed after writer was completed.
  5363. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  5364. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5365. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5366. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  5367. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  5368. Failed writing message. Aborting connection.
  5369. System.InvalidOperationException: Writing is not allowed after writer was completed.
  5370. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  5371. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5372. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5373. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  5374. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  5375. Failed writing message. Aborting connection.
  5376. System.InvalidOperationException: Writing is not allowed after writer was completed.
  5377. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  5378. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5379. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5380. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  5381. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  5382. Failed writing message. Aborting connection.
  5383. System.InvalidOperationException: Writing is not allowed after writer was completed.
  5384. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  5385. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5386. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5387. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  5388. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  5389. Failed writing message. Aborting connection.
  5390. System.InvalidOperationException: Writing is not allowed after writer was completed.
  5391. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  5392. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5393. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5394. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  5395. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  5396. Failed writing message. Aborting connection.
  5397. System.InvalidOperationException: Writing is not allowed after writer was completed.
  5398. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  5399. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5400. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5401. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  5402. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  5403. Failed writing message. Aborting connection.
  5404. System.InvalidOperationException: Writing is not allowed after writer was completed.
  5405. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  5406. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5407. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5408. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  5409. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  5410. Failed writing message. Aborting connection.
  5411. System.InvalidOperationException: Writing is not allowed after writer was completed.
  5412. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  5413. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5414. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5415. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  5416. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  5417. Failed writing message. Aborting connection.
  5418. System.InvalidOperationException: Writing is not allowed after writer was completed.
  5419. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  5420. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5421. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5422. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  5423. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  5424. Failed writing message. Aborting connection.
  5425. System.InvalidOperationException: Writing is not allowed after writer was completed.
  5426. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  5427. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5428. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5429. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  5430. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  5431. Failed writing message. Aborting connection.
  5432. System.InvalidOperationException: Writing is not allowed after writer was completed.
  5433. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  5434. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5435. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5436. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  5437. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  5438. Failed writing message. Aborting connection.
  5439. System.InvalidOperationException: Writing is not allowed after writer was completed.
  5440. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  5441. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5442. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5443. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  5444. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  5445. Failed writing message. Aborting connection.
  5446. System.InvalidOperationException: Writing is not allowed after writer was completed.
  5447. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  5448. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5449. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5450. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  5451. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  5452. Failed writing message. Aborting connection.
  5453. System.InvalidOperationException: Writing is not allowed after writer was completed.
  5454. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  5455. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5456. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5457. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  5458. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  5459. Failed writing message. Aborting connection.
  5460. System.InvalidOperationException: Writing is not allowed after writer was completed.
  5461. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  5462. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5463. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5464. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  5465. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  5466. Failed writing message. Aborting connection.
  5467. System.InvalidOperationException: Writing is not allowed after writer was completed.
  5468. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  5469. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5470. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5471. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  5472. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  5473. Failed writing message. Aborting connection.
  5474. System.InvalidOperationException: Writing is not allowed after writer was completed.
  5475. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  5476. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5477. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5478. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  5479. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  5480. Failed writing message. Aborting connection.
  5481. System.InvalidOperationException: Writing is not allowed after writer was completed.
  5482. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  5483. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5484. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5485. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  5486. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  5487. Failed writing message. Aborting connection.
  5488. System.InvalidOperationException: Writing is not allowed after writer was completed.
  5489. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  5490. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5491. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5492. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  5493. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  5494. Failed writing message. Aborting connection.
  5495. System.InvalidOperationException: Writing is not allowed after writer was completed.
  5496. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  5497. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5498. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5499. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  5500. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  5501. Failed writing message. Aborting connection.
  5502. System.InvalidOperationException: Writing is not allowed after writer was completed.
  5503. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  5504. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5505. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5506. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  5507. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  5508. Failed writing message. Aborting connection.
  5509. System.InvalidOperationException: Writing is not allowed after writer was completed.
  5510. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  5511. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5512. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5513. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  5514. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  5515. Failed writing message. Aborting connection.
  5516. System.InvalidOperationException: Writing is not allowed after writer was completed.
  5517. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  5518. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5519. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5520. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  5521. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  5522. Failed writing message. Aborting connection.
  5523. System.InvalidOperationException: Writing is not allowed after writer was completed.
  5524. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  5525. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5526. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5527. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  5528. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  5529. Failed writing message. Aborting connection.
  5530. System.InvalidOperationException: Writing is not allowed after writer was completed.
  5531. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  5532. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5533. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5534. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  5535. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  5536. Failed writing message. Aborting connection.
  5537. System.InvalidOperationException: Writing is not allowed after writer was completed.
  5538. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  5539. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5540. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5541. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  5542. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  5543. Failed writing message. Aborting connection.
  5544. System.InvalidOperationException: Writing is not allowed after writer was completed.
  5545. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  5546. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5547. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5548. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  5549. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  5550. Failed writing message. Aborting connection.
  5551. System.InvalidOperationException: Writing is not allowed after writer was completed.
  5552. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  5553. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5554. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5555. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  5556. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  5557. Failed writing message. Aborting connection.
  5558. System.InvalidOperationException: Writing is not allowed after writer was completed.
  5559. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  5560. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5561. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5562. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  5563. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  5564. Failed writing message. Aborting connection.
  5565. System.InvalidOperationException: Writing is not allowed after writer was completed.
  5566. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  5567. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5568. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5569. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  5570. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  5571. Failed writing message. Aborting connection.
  5572. System.InvalidOperationException: Writing is not allowed after writer was completed.
  5573. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  5574. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5575. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5576. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  5577. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  5578. Failed writing message. Aborting connection.
  5579. System.InvalidOperationException: Writing is not allowed after writer was completed.
  5580. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  5581. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5582. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5583. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  5584. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  5585. Failed writing message. Aborting connection.
  5586. System.InvalidOperationException: Writing is not allowed after writer was completed.
  5587. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  5588. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5589. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5590. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  5591. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  5592. Failed writing message. Aborting connection.
  5593. System.InvalidOperationException: Writing is not allowed after writer was completed.
  5594. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  5595. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5596. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5597. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  5598. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  5599. Failed writing message. Aborting connection.
  5600. System.InvalidOperationException: Writing is not allowed after writer was completed.
  5601. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  5602. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5603. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5604. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  5605. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  5606. Failed writing message. Aborting connection.
  5607. System.InvalidOperationException: Writing is not allowed after writer was completed.
  5608. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  5609. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5610. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5611. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  5612. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  5613. Failed writing message. Aborting connection.
  5614. System.InvalidOperationException: Writing is not allowed after writer was completed.
  5615. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  5616. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5617. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5618. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  5619. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  5620. Failed writing message. Aborting connection.
  5621. System.InvalidOperationException: Writing is not allowed after writer was completed.
  5622. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  5623. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5624. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5625. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  5626. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  5627. Failed writing message. Aborting connection.
  5628. System.InvalidOperationException: Writing is not allowed after writer was completed.
  5629. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  5630. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5631. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5632. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  5633. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  5634. Failed writing message. Aborting connection.
  5635. System.InvalidOperationException: Writing is not allowed after writer was completed.
  5636. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  5637. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5638. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5639. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  5640. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  5641. Failed writing message. Aborting connection.
  5642. System.InvalidOperationException: Writing is not allowed after writer was completed.
  5643. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  5644. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5645. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5646. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  5647. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  5648. Failed writing message. Aborting connection.
  5649. System.InvalidOperationException: Writing is not allowed after writer was completed.
  5650. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  5651. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5652. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5653. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  5654. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  5655. Failed writing message. Aborting connection.
  5656. System.InvalidOperationException: Writing is not allowed after writer was completed.
  5657. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  5658. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5659. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5660. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  5661. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  5662. Failed writing message. Aborting connection.
  5663. System.InvalidOperationException: Writing is not allowed after writer was completed.
  5664. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  5665. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5666. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5667. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  5668. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  5669. Failed writing message. Aborting connection.
  5670. System.InvalidOperationException: Writing is not allowed after writer was completed.
  5671. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  5672. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5673. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5674. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  5675. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  5676. Failed writing message. Aborting connection.
  5677. System.InvalidOperationException: Writing is not allowed after writer was completed.
  5678. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  5679. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5680. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5681. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  5682. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  5683. Failed writing message. Aborting connection.
  5684. System.InvalidOperationException: Writing is not allowed after writer was completed.
  5685. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  5686. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5687. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5688. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  5689. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  5690. Failed writing message. Aborting connection.
  5691. System.InvalidOperationException: Writing is not allowed after writer was completed.
  5692. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  5693. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5694. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5695. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  5696. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  5697. Failed writing message. Aborting connection.
  5698. System.InvalidOperationException: Writing is not allowed after writer was completed.
  5699. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  5700. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5701. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5702. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  5703. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  5704. Failed writing message. Aborting connection.
  5705. System.InvalidOperationException: Writing is not allowed after writer was completed.
  5706. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  5707. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5708. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5709. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  5710. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  5711. Failed writing message. Aborting connection.
  5712. System.InvalidOperationException: Writing is not allowed after writer was completed.
  5713. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  5714. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5715. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5716. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  5717. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  5718. Failed writing message. Aborting connection.
  5719. System.InvalidOperationException: Writing is not allowed after writer was completed.
  5720. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  5721. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5722. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5723. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  5724. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  5725. Failed writing message. Aborting connection.
  5726. System.InvalidOperationException: Writing is not allowed after writer was completed.
  5727. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  5728. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5729. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5730. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  5731. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  5732. Failed writing message. Aborting connection.
  5733. System.InvalidOperationException: Writing is not allowed after writer was completed.
  5734. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  5735. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5736. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5737. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  5738. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  5739. Failed writing message. Aborting connection.
  5740. System.InvalidOperationException: Writing is not allowed after writer was completed.
  5741. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  5742. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5743. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5744. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  5745. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  5746. Failed writing message. Aborting connection.
  5747. System.InvalidOperationException: Writing is not allowed after writer was completed.
  5748. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  5749. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5750. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5751. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  5752. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  5753. Failed writing message. Aborting connection.
  5754. System.InvalidOperationException: Writing is not allowed after writer was completed.
  5755. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  5756. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5757. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5758. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  5759. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  5760. Failed writing message. Aborting connection.
  5761. System.InvalidOperationException: Writing is not allowed after writer was completed.
  5762. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  5763. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5764. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5765. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  5766. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  5767. Failed writing message. Aborting connection.
  5768. System.InvalidOperationException: Writing is not allowed after writer was completed.
  5769. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  5770. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5771. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5772. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  5773. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  5774. Failed writing message. Aborting connection.
  5775. System.InvalidOperationException: Writing is not allowed after writer was completed.
  5776. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  5777. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5778. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5779. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  5780. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  5781. Failed writing message. Aborting connection.
  5782. System.InvalidOperationException: Writing is not allowed after writer was completed.
  5783. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  5784. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5785. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5786. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  5787. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  5788. Failed writing message. Aborting connection.
  5789. System.InvalidOperationException: Writing is not allowed after writer was completed.
  5790. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  5791. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5792. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5793. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  5794. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  5795. Failed writing message. Aborting connection.
  5796. System.InvalidOperationException: Writing is not allowed after writer was completed.
  5797. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  5798. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5799. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5800. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  5801. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  5802. Failed writing message. Aborting connection.
  5803. System.InvalidOperationException: Writing is not allowed after writer was completed.
  5804. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  5805. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5806. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5807. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  5808. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  5809. Failed writing message. Aborting connection.
  5810. System.InvalidOperationException: Writing is not allowed after writer was completed.
  5811. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  5812. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5813. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5814. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  5815. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  5816. Failed writing message. Aborting connection.
  5817. System.InvalidOperationException: Writing is not allowed after writer was completed.
  5818. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  5819. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5820. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5821. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  5822. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  5823. Failed writing message. Aborting connection.
  5824. System.InvalidOperationException: Writing is not allowed after writer was completed.
  5825. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  5826. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5827. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5828. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  5829. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  5830. Failed writing message. Aborting connection.
  5831. System.InvalidOperationException: Writing is not allowed after writer was completed.
  5832. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  5833. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5834. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5835. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  5836. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  5837. Failed writing message. Aborting connection.
  5838. System.InvalidOperationException: Writing is not allowed after writer was completed.
  5839. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  5840. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5841. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5842. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  5843. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  5844. Failed writing message. Aborting connection.
  5845. System.InvalidOperationException: Writing is not allowed after writer was completed.
  5846. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  5847. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5848. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5849. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  5850. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  5851. Failed writing message. Aborting connection.
  5852. System.InvalidOperationException: Writing is not allowed after writer was completed.
  5853. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  5854. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5855. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5856. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  5857. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  5858. Failed writing message. Aborting connection.
  5859. System.InvalidOperationException: Writing is not allowed after writer was completed.
  5860. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  5861. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5862. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5863. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  5864. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  5865. Failed writing message. Aborting connection.
  5866. System.InvalidOperationException: Writing is not allowed after writer was completed.
  5867. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  5868. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5869. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5870. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  5871. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  5872. Failed writing message. Aborting connection.
  5873. System.InvalidOperationException: Writing is not allowed after writer was completed.
  5874. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  5875. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5876. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5877. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  5878. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  5879. Failed writing message. Aborting connection.
  5880. System.InvalidOperationException: Writing is not allowed after writer was completed.
  5881. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  5882. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5883. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5884. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  5885. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  5886. Failed writing message. Aborting connection.
  5887. System.InvalidOperationException: Writing is not allowed after writer was completed.
  5888. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  5889. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5890. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5891. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  5892. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  5893. Failed writing message. Aborting connection.
  5894. System.InvalidOperationException: Writing is not allowed after writer was completed.
  5895. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  5896. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5897. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5898. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  5899. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  5900. Failed writing message. Aborting connection.
  5901. System.InvalidOperationException: Writing is not allowed after writer was completed.
  5902. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  5903. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5904. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5905. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  5906. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  5907. Failed writing message. Aborting connection.
  5908. System.InvalidOperationException: Writing is not allowed after writer was completed.
  5909. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  5910. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5911. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5912. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  5913. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  5914. Failed writing message. Aborting connection.
  5915. System.InvalidOperationException: Writing is not allowed after writer was completed.
  5916. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  5917. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5918. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5919. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  5920. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  5921. Failed writing message. Aborting connection.
  5922. System.InvalidOperationException: Writing is not allowed after writer was completed.
  5923. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  5924. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5925. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5926. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  5927. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  5928. Failed writing message. Aborting connection.
  5929. System.InvalidOperationException: Writing is not allowed after writer was completed.
  5930. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  5931. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5932. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5933. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  5934. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  5935. Failed writing message. Aborting connection.
  5936. System.InvalidOperationException: Writing is not allowed after writer was completed.
  5937. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  5938. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5939. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5940. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  5941. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  5942. Failed writing message. Aborting connection.
  5943. System.InvalidOperationException: Writing is not allowed after writer was completed.
  5944. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  5945. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5946. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5947. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  5948. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  5949. Failed writing message. Aborting connection.
  5950. System.InvalidOperationException: Writing is not allowed after writer was completed.
  5951. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  5952. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5953. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5954. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  5955. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  5956. Failed writing message. Aborting connection.
  5957. System.InvalidOperationException: Writing is not allowed after writer was completed.
  5958. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  5959. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5960. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5961. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  5962. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  5963. Failed writing message. Aborting connection.
  5964. System.InvalidOperationException: Writing is not allowed after writer was completed.
  5965. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  5966. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5967. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5968. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  5969. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  5970. Failed writing message. Aborting connection.
  5971. System.InvalidOperationException: Writing is not allowed after writer was completed.
  5972. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  5973. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5974. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5975. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  5976. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  5977. Failed writing message. Aborting connection.
  5978. System.InvalidOperationException: Writing is not allowed after writer was completed.
  5979. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  5980. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5981. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5982. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  5983. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  5984. Failed writing message. Aborting connection.
  5985. System.InvalidOperationException: Writing is not allowed after writer was completed.
  5986. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  5987. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5988. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5989. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  5990. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  5991. Failed writing message. Aborting connection.
  5992. System.InvalidOperationException: Writing is not allowed after writer was completed.
  5993. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  5994. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5995. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5996. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  5997. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  5998. Failed writing message. Aborting connection.
  5999. System.InvalidOperationException: Writing is not allowed after writer was completed.
  6000. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  6001. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6002. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6003. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  6004. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  6005. Failed writing message. Aborting connection.
  6006. System.InvalidOperationException: Writing is not allowed after writer was completed.
  6007. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  6008. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6009. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6010. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  6011. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  6012. Failed writing message. Aborting connection.
  6013. System.InvalidOperationException: Writing is not allowed after writer was completed.
  6014. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  6015. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6016. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6017. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  6018. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  6019. Failed writing message. Aborting connection.
  6020. System.InvalidOperationException: Writing is not allowed after writer was completed.
  6021. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  6022. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6023. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6024. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  6025. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  6026. Failed writing message. Aborting connection.
  6027. System.InvalidOperationException: Writing is not allowed after writer was completed.
  6028. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  6029. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6030. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6031. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  6032. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  6033. Failed writing message. Aborting connection.
  6034. System.InvalidOperationException: Writing is not allowed after writer was completed.
  6035. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  6036. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6037. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6038. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  6039. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  6040. Failed writing message. Aborting connection.
  6041. System.InvalidOperationException: Writing is not allowed after writer was completed.
  6042. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  6043. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6044. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6045. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  6046. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  6047. Failed writing message. Aborting connection.
  6048. System.InvalidOperationException: Writing is not allowed after writer was completed.
  6049. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  6050. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6051. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6052. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  6053. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  6054. Failed writing message. Aborting connection.
  6055. System.InvalidOperationException: Writing is not allowed after writer was completed.
  6056. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  6057. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6058. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6059. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  6060. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  6061. Failed writing message. Aborting connection.
  6062. System.InvalidOperationException: Writing is not allowed after writer was completed.
  6063. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  6064. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6065. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6066. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  6067. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  6068. Failed writing message. Aborting connection.
  6069. System.InvalidOperationException: Writing is not allowed after writer was completed.
  6070. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  6071. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6072. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6073. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  6074. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  6075. Failed writing message. Aborting connection.
  6076. System.InvalidOperationException: Writing is not allowed after writer was completed.
  6077. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  6078. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6079. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6080. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  6081. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  6082. Failed writing message. Aborting connection.
  6083. System.InvalidOperationException: Writing is not allowed after writer was completed.
  6084. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  6085. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6086. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6087. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  6088. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  6089. Failed writing message. Aborting connection.
  6090. System.InvalidOperationException: Writing is not allowed after writer was completed.
  6091. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  6092. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6093. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6094. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  6095. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  6096. Failed writing message. Aborting connection.
  6097. System.InvalidOperationException: Writing is not allowed after writer was completed.
  6098. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  6099. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6100. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6101. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  6102. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  6103. Failed writing message. Aborting connection.
  6104. System.InvalidOperationException: Writing is not allowed after writer was completed.
  6105. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  6106. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6107. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6108. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  6109. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  6110. Failed writing message. Aborting connection.
  6111. System.InvalidOperationException: Writing is not allowed after writer was completed.
  6112. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  6113. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6114. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6115. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  6116. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  6117. Failed writing message. Aborting connection.
  6118. System.InvalidOperationException: Writing is not allowed after writer was completed.
  6119. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  6120. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6121. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6122. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  6123. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  6124. Failed writing message. Aborting connection.
  6125. System.InvalidOperationException: Writing is not allowed after writer was completed.
  6126. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  6127. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6128. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6129. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  6130. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  6131. Failed writing message. Aborting connection.
  6132. System.InvalidOperationException: Writing is not allowed after writer was completed.
  6133. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  6134. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6135. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6136. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  6137. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  6138. Failed writing message. Aborting connection.
  6139. System.InvalidOperationException: Writing is not allowed after writer was completed.
  6140. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  6141. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6142. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6143. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  6144. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  6145. Failed writing message. Aborting connection.
  6146. System.InvalidOperationException: Writing is not allowed after writer was completed.
  6147. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  6148. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6149. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6150. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  6151. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  6152. Failed writing message. Aborting connection.
  6153. System.InvalidOperationException: Writing is not allowed after writer was completed.
  6154. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  6155. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6156. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6157. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  6158. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  6159. Failed writing message. Aborting connection.
  6160. System.InvalidOperationException: Writing is not allowed after writer was completed.
  6161. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  6162. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6163. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6164. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  6165. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  6166. Failed writing message. Aborting connection.
  6167. System.InvalidOperationException: Writing is not allowed after writer was completed.
  6168. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  6169. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6170. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6171. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  6172. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  6173. Failed writing message. Aborting connection.
  6174. System.InvalidOperationException: Writing is not allowed after writer was completed.
  6175. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  6176. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6177. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6178. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  6179. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  6180. Failed writing message. Aborting connection.
  6181. System.InvalidOperationException: Writing is not allowed after writer was completed.
  6182. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  6183. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6184. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6185. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  6186. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  6187. Failed writing message. Aborting connection.
  6188. System.InvalidOperationException: Writing is not allowed after writer was completed.
  6189. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  6190. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6191. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6192. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  6193. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  6194. Failed writing message. Aborting connection.
  6195. System.InvalidOperationException: Writing is not allowed after writer was completed.
  6196. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  6197. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6198. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6199. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  6200. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  6201. Failed writing message. Aborting connection.
  6202. System.InvalidOperationException: Writing is not allowed after writer was completed.
  6203. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  6204. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6205. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6206. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  6207. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  6208. Failed writing message. Aborting connection.
  6209. System.InvalidOperationException: Writing is not allowed after writer was completed.
  6210. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  6211. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6212. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6213. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  6214. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  6215. Failed writing message. Aborting connection.
  6216. System.InvalidOperationException: Writing is not allowed after writer was completed.
  6217. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  6218. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6219. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6220. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  6221. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  6222. Failed writing message. Aborting connection.
  6223. System.InvalidOperationException: Writing is not allowed after writer was completed.
  6224. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  6225. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6226. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6227. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  6228. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  6229. Failed writing message. Aborting connection.
  6230. System.InvalidOperationException: Writing is not allowed after writer was completed.
  6231. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  6232. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6233. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6234. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  6235. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  6236. Failed writing message. Aborting connection.
  6237. System.InvalidOperationException: Writing is not allowed after writer was completed.
  6238. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  6239. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6240. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6241. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  6242. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  6243. Failed writing message. Aborting connection.
  6244. System.InvalidOperationException: Writing is not allowed after writer was completed.
  6245. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  6246. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6247. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6248. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  6249. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  6250. Failed writing message. Aborting connection.
  6251. System.InvalidOperationException: Writing is not allowed after writer was completed.
  6252. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  6253. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6254. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6255. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  6256. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  6257. Failed writing message. Aborting connection.
  6258. System.InvalidOperationException: Writing is not allowed after writer was completed.
  6259. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  6260. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6261. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6262. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  6263. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  6264. Failed writing message. Aborting connection.
  6265. System.InvalidOperationException: Writing is not allowed after writer was completed.
  6266. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  6267. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6268. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6269. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  6270. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  6271. Failed writing message. Aborting connection.
  6272. System.InvalidOperationException: Writing is not allowed after writer was completed.
  6273. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  6274. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6275. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6276. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  6277. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  6278. Failed writing message. Aborting connection.
  6279. System.InvalidOperationException: Writing is not allowed after writer was completed.
  6280. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  6281. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6282. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6283. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  6284. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  6285. Failed writing message. Aborting connection.
  6286. System.InvalidOperationException: Writing is not allowed after writer was completed.
  6287. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  6288. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6289. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6290. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  6291. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  6292. Failed writing message. Aborting connection.
  6293. System.InvalidOperationException: Writing is not allowed after writer was completed.
  6294. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  6295. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6296. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6297. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  6298. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  6299. Failed writing message. Aborting connection.
  6300. System.InvalidOperationException: Writing is not allowed after writer was completed.
  6301. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  6302. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6303. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6304. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  6305. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  6306. Failed writing message. Aborting connection.
  6307. System.InvalidOperationException: Writing is not allowed after writer was completed.
  6308. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  6309. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6310. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6311. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  6312. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  6313. Failed writing message. Aborting connection.
  6314. System.InvalidOperationException: Writing is not allowed after writer was completed.
  6315. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  6316. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6317. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6318. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  6319. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  6320. Failed writing message. Aborting connection.
  6321. System.InvalidOperationException: Writing is not allowed after writer was completed.
  6322. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  6323. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6324. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6325. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  6326. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  6327. Failed writing message. Aborting connection.
  6328. System.InvalidOperationException: Writing is not allowed after writer was completed.
  6329. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  6330. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6331. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6332. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  6333. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  6334. Failed writing message. Aborting connection.
  6335. System.InvalidOperationException: Writing is not allowed after writer was completed.
  6336. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  6337. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6338. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6339. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  6340. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  6341. Failed writing message. Aborting connection.
  6342. System.InvalidOperationException: Writing is not allowed after writer was completed.
  6343. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  6344. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6345. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6346. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  6347. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  6348. Failed writing message. Aborting connection.
  6349. System.InvalidOperationException: Writing is not allowed after writer was completed.
  6350. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  6351. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6352. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6353. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  6354. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  6355. Failed writing message. Aborting connection.
  6356. System.InvalidOperationException: Writing is not allowed after writer was completed.
  6357. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  6358. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6359. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6360. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  6361. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  6362. Failed writing message. Aborting connection.
  6363. System.InvalidOperationException: Writing is not allowed after writer was completed.
  6364. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  6365. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6366. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6367. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  6368. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  6369. Failed writing message. Aborting connection.
  6370. System.InvalidOperationException: Writing is not allowed after writer was completed.
  6371. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  6372. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6373. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6374. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  6375. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  6376. Failed writing message. Aborting connection.
  6377. System.InvalidOperationException: Writing is not allowed after writer was completed.
  6378. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  6379. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6380. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6381. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  6382. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  6383. Failed writing message. Aborting connection.
  6384. System.InvalidOperationException: Writing is not allowed after writer was completed.
  6385. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  6386. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6387. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6388. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  6389. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  6390. Failed writing message. Aborting connection.
  6391. System.InvalidOperationException: Writing is not allowed after writer was completed.
  6392. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  6393. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6394. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6395. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  6396. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  6397. Failed writing message. Aborting connection.
  6398. System.InvalidOperationException: Writing is not allowed after writer was completed.
  6399. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  6400. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6401. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6402. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  6403. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  6404. Failed writing message. Aborting connection.
  6405. System.InvalidOperationException: Writing is not allowed after writer was completed.
  6406. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  6407. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6408. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6409. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  6410. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  6411. Failed writing message. Aborting connection.
  6412. System.InvalidOperationException: Writing is not allowed after writer was completed.
  6413. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  6414. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6415. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6416. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  6417. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  6418. Failed writing message. Aborting connection.
  6419. System.InvalidOperationException: Writing is not allowed after writer was completed.
  6420. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  6421. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6422. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6423. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  6424. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  6425. Failed writing message. Aborting connection.
  6426. System.InvalidOperationException: Writing is not allowed after writer was completed.
  6427. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  6428. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6429. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6430. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  6431. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  6432. Failed writing message. Aborting connection.
  6433. System.InvalidOperationException: Writing is not allowed after writer was completed.
  6434. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  6435. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6436. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6437. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  6438. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  6439. Failed writing message. Aborting connection.
  6440. System.InvalidOperationException: Writing is not allowed after writer was completed.
  6441. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  6442. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6443. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6444. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  6445. [00:25:02] Current: 87020, peak: 92506, connected: 0, disconnected: 383, rate: -383/s
  6446. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  6447. Failed writing message. Aborting connection.
  6448. System.InvalidOperationException: Writing is not allowed after writer was completed.
  6449. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  6450. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6451. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6452. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  6453. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  6454. Failed writing message. Aborting connection.
  6455. System.InvalidOperationException: Writing is not allowed after writer was completed.
  6456. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  6457. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6458. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6459. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  6460. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  6461. Failed writing message. Aborting connection.
  6462. System.InvalidOperationException: Writing is not allowed after writer was completed.
  6463. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  6464. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6465. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6466. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  6467. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  6468. Failed writing message. Aborting connection.
  6469. System.InvalidOperationException: Writing is not allowed after writer was completed.
  6470. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  6471. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6472. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6473. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  6474. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  6475. Failed writing message. Aborting connection.
  6476. System.InvalidOperationException: Writing is not allowed after writer was completed.
  6477. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  6478. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6479. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6480. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  6481. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  6482. Failed writing message. Aborting connection.
  6483. System.InvalidOperationException: Writing is not allowed after writer was completed.
  6484. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  6485. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6486. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6487. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  6488. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  6489. Failed writing message. Aborting connection.
  6490. System.InvalidOperationException: Writing is not allowed after writer was completed.
  6491. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  6492. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6493. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6494. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  6495. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  6496. Failed writing message. Aborting connection.
  6497. System.InvalidOperationException: Writing is not allowed after writer was completed.
  6498. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  6499. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6500. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6501. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  6502. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  6503. Failed writing message. Aborting connection.
  6504. System.InvalidOperationException: Writing is not allowed after writer was completed.
  6505. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  6506. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6507. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6508. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  6509. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  6510. Failed writing message. Aborting connection.
  6511. System.InvalidOperationException: Writing is not allowed after writer was completed.
  6512. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  6513. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6514. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6515. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  6516. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  6517. Failed writing message. Aborting connection.
  6518. System.InvalidOperationException: Writing is not allowed after writer was completed.
  6519. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  6520. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6521. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6522. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  6523. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  6524. Failed writing message. Aborting connection.
  6525. System.InvalidOperationException: Writing is not allowed after writer was completed.
  6526. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  6527. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6528. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6529. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  6530. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  6531. Failed writing message. Aborting connection.
  6532. System.InvalidOperationException: Writing is not allowed after writer was completed.
  6533. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  6534. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6535. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6536. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  6537. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  6538. Failed writing message. Aborting connection.
  6539. System.InvalidOperationException: Writing is not allowed after writer was completed.
  6540. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  6541. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6542. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6543. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  6544. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  6545. Failed writing message. Aborting connection.
  6546. System.InvalidOperationException: Writing is not allowed after writer was completed.
  6547. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  6548. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6549. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6550. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  6551. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  6552. Failed writing message. Aborting connection.
  6553. System.InvalidOperationException: Writing is not allowed after writer was completed.
  6554. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  6555. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6556. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6557. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  6558. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  6559. Failed writing message. Aborting connection.
  6560. System.InvalidOperationException: Writing is not allowed after writer was completed.
  6561. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  6562. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6563. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6564. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  6565. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  6566. Failed writing message. Aborting connection.
  6567. System.InvalidOperationException: Writing is not allowed after writer was completed.
  6568. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  6569. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6570. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6571. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  6572. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  6573. Failed writing message. Aborting connection.
  6574. System.InvalidOperationException: Writing is not allowed after writer was completed.
  6575. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  6576. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6577. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6578. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  6579. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  6580. Failed writing message. Aborting connection.
  6581. System.InvalidOperationException: Writing is not allowed after writer was completed.
  6582. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  6583. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6584. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6585. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  6586. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  6587. Failed writing message. Aborting connection.
  6588. System.InvalidOperationException: Writing is not allowed after writer was completed.
  6589. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  6590. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6591. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6592. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  6593. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  6594. Failed writing message. Aborting connection.
  6595. System.InvalidOperationException: Writing is not allowed after writer was completed.
  6596. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  6597. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6598. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6599. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  6600. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  6601. Failed writing message. Aborting connection.
  6602. System.InvalidOperationException: Writing is not allowed after writer was completed.
  6603. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  6604. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6605. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6606. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  6607. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  6608. Failed writing message. Aborting connection.
  6609. System.InvalidOperationException: Writing is not allowed after writer was completed.
  6610. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  6611. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6612. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6613. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  6614. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  6615. Failed writing message. Aborting connection.
  6616. System.InvalidOperationException: Writing is not allowed after writer was completed.
  6617. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  6618. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6619. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6620. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  6621. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  6622. Failed writing message. Aborting connection.
  6623. System.InvalidOperationException: Writing is not allowed after writer was completed.
  6624. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  6625. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6626. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6627. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  6628. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  6629. Failed writing message. Aborting connection.
  6630. System.InvalidOperationException: Writing is not allowed after writer was completed.
  6631. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  6632. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6633. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6634. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  6635. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  6636. Failed writing message. Aborting connection.
  6637. System.InvalidOperationException: Writing is not allowed after writer was completed.
  6638. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  6639. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6640. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6641. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  6642. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  6643. Failed writing message. Aborting connection.
  6644. System.InvalidOperationException: Writing is not allowed after writer was completed.
  6645. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  6646. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6647. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6648. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  6649. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  6650. Failed writing message. Aborting connection.
  6651. System.InvalidOperationException: Writing is not allowed after writer was completed.
  6652. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  6653. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6654. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6655. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  6656. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  6657. Failed writing message. Aborting connection.
  6658. System.InvalidOperationException: Writing is not allowed after writer was completed.
  6659. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  6660. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6661. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6662. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  6663. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  6664. Failed writing message. Aborting connection.
  6665. System.InvalidOperationException: Writing is not allowed after writer was completed.
  6666. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  6667. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6668. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6669. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  6670. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  6671. Failed writing message. Aborting connection.
  6672. System.InvalidOperationException: Writing is not allowed after writer was completed.
  6673. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  6674. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6675. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6676. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  6677. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  6678. Failed writing message. Aborting connection.
  6679. System.InvalidOperationException: Writing is not allowed after writer was completed.
  6680. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  6681. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6682. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6683. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  6684. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  6685. Failed writing message. Aborting connection.
  6686. System.InvalidOperationException: Writing is not allowed after writer was completed.
  6687. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  6688. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6689. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6690. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  6691. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  6692. Failed writing message. Aborting connection.
  6693. System.InvalidOperationException: Writing is not allowed after writer was completed.
  6694. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  6695. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6696. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6697. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  6698. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  6699. Failed writing message. Aborting connection.
  6700. System.InvalidOperationException: Writing is not allowed after writer was completed.
  6701. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  6702. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6703. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6704. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  6705. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  6706. Failed writing message. Aborting connection.
  6707. System.InvalidOperationException: Writing is not allowed after writer was completed.
  6708. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  6709. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6710. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6711. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  6712. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  6713. Failed writing message. Aborting connection.
  6714. System.InvalidOperationException: Writing is not allowed after writer was completed.
  6715. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  6716. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6717. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6718. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  6719. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  6720. Failed writing message. Aborting connection.
  6721. System.InvalidOperationException: Writing is not allowed after writer was completed.
  6722. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  6723. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6724. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6725. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  6726. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  6727. Failed writing message. Aborting connection.
  6728. System.InvalidOperationException: Writing is not allowed after writer was completed.
  6729. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  6730. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6731. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6732. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  6733. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  6734. Failed writing message. Aborting connection.
  6735. System.InvalidOperationException: Writing is not allowed after writer was completed.
  6736. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  6737. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6738. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6739. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  6740. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  6741. Failed writing message. Aborting connection.
  6742. System.InvalidOperationException: Writing is not allowed after writer was completed.
  6743. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  6744. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6745. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6746. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  6747. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  6748. Failed writing message. Aborting connection.
  6749. System.InvalidOperationException: Writing is not allowed after writer was completed.
  6750. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  6751. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6752. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6753. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  6754. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  6755. Failed writing message. Aborting connection.
  6756. System.InvalidOperationException: Writing is not allowed after writer was completed.
  6757. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  6758. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6759. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6760. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  6761. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  6762. Failed writing message. Aborting connection.
  6763. System.InvalidOperationException: Writing is not allowed after writer was completed.
  6764. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  6765. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6766. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6767. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  6768. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  6769. Failed writing message. Aborting connection.
  6770. System.InvalidOperationException: Writing is not allowed after writer was completed.
  6771. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  6772. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6773. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6774. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  6775. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  6776. Failed writing message. Aborting connection.
  6777. System.InvalidOperationException: Writing is not allowed after writer was completed.
  6778. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  6779. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6780. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6781. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  6782. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  6783. Failed writing message. Aborting connection.
  6784. System.InvalidOperationException: Writing is not allowed after writer was completed.
  6785. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  6786. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6787. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6788. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  6789. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  6790. Failed writing message. Aborting connection.
  6791. System.InvalidOperationException: Writing is not allowed after writer was completed.
  6792. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  6793. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6794. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6795. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  6796. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  6797. Failed writing message. Aborting connection.
  6798. System.InvalidOperationException: Writing is not allowed after writer was completed.
  6799. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  6800. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6801. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6802. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  6803. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  6804. Failed writing message. Aborting connection.
  6805. System.InvalidOperationException: Writing is not allowed after writer was completed.
  6806. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  6807. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6808. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6809. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  6810. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  6811. Failed writing message. Aborting connection.
  6812. System.InvalidOperationException: Writing is not allowed after writer was completed.
  6813. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  6814. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6815. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6816. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  6817. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  6818. Failed writing message. Aborting connection.
  6819. System.InvalidOperationException: Writing is not allowed after writer was completed.
  6820. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  6821. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6822. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6823. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  6824. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  6825. Heartbeat took longer than "00:00:01" at "05/21/2019 10:00:13 +00:00".
  6826. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  6827. Failed writing message. Aborting connection.
  6828. System.InvalidOperationException: Writing is not allowed after writer was completed.
  6829. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  6830. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6831. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6832. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  6833. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  6834. Failed writing message. Aborting connection.
  6835. System.InvalidOperationException: Writing is not allowed after writer was completed.
  6836. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  6837. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6838. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6839. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  6840. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  6841. Failed writing message. Aborting connection.
  6842. System.InvalidOperationException: Writing is not allowed after writer was completed.
  6843. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  6844. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6845. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6846. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  6847. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  6848. Failed writing message. Aborting connection.
  6849. System.InvalidOperationException: Writing is not allowed after writer was completed.
  6850. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  6851. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6852. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6853. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  6854. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  6855. Failed writing message. Aborting connection.
  6856. System.InvalidOperationException: Writing is not allowed after writer was completed.
  6857. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  6858. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6859. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6860. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  6861. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  6862. Failed writing message. Aborting connection.
  6863. System.InvalidOperationException: Writing is not allowed after writer was completed.
  6864. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  6865. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6866. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6867. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  6868. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  6869. Failed writing message. Aborting connection.
  6870. System.InvalidOperationException: Writing is not allowed after writer was completed.
  6871. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  6872. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6873. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6874. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  6875. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  6876. Failed writing message. Aborting connection.
  6877. System.InvalidOperationException: Writing is not allowed after writer was completed.
  6878. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  6879. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6880. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6881. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  6882. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  6883. Failed writing message. Aborting connection.
  6884. System.InvalidOperationException: Writing is not allowed after writer was completed.
  6885. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  6886. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6887. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6888. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  6889. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  6890. Failed writing message. Aborting connection.
  6891. System.InvalidOperationException: Writing is not allowed after writer was completed.
  6892. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  6893. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6894. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6895. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  6896. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  6897. Failed writing message. Aborting connection.
  6898. System.InvalidOperationException: Writing is not allowed after writer was completed.
  6899. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  6900. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6901. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6902. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  6903. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  6904. Failed writing message. Aborting connection.
  6905. System.InvalidOperationException: Writing is not allowed after writer was completed.
  6906. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  6907. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6908. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6909. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  6910. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  6911. Failed writing message. Aborting connection.
  6912. System.InvalidOperationException: Writing is not allowed after writer was completed.
  6913. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  6914. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6915. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6916. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  6917. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  6918. Failed writing message. Aborting connection.
  6919. System.InvalidOperationException: Writing is not allowed after writer was completed.
  6920. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  6921. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6922. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6923. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  6924. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  6925. Failed writing message. Aborting connection.
  6926. System.InvalidOperationException: Writing is not allowed after writer was completed.
  6927. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  6928. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6929. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6930. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  6931. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  6932. Failed writing message. Aborting connection.
  6933. System.InvalidOperationException: Writing is not allowed after writer was completed.
  6934. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  6935. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6936. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6937. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  6938. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  6939. Failed writing message. Aborting connection.
  6940. System.InvalidOperationException: Writing is not allowed after writer was completed.
  6941. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  6942. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6943. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6944. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  6945. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  6946. Failed writing message. Aborting connection.
  6947. System.InvalidOperationException: Writing is not allowed after writer was completed.
  6948. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  6949. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6950. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6951. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  6952. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  6953. Failed writing message. Aborting connection.
  6954. System.InvalidOperationException: Writing is not allowed after writer was completed.
  6955. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  6956. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6957. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6958. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  6959. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  6960. Failed writing message. Aborting connection.
  6961. System.InvalidOperationException: Writing is not allowed after writer was completed.
  6962. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  6963. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6964. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6965. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  6966. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  6967. Failed writing message. Aborting connection.
  6968. System.InvalidOperationException: Writing is not allowed after writer was completed.
  6969. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  6970. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6971. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6972. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  6973. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  6974. Failed writing message. Aborting connection.
  6975. System.InvalidOperationException: Writing is not allowed after writer was completed.
  6976. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  6977. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6978. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6979. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  6980. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  6981. Failed writing message. Aborting connection.
  6982. System.InvalidOperationException: Writing is not allowed after writer was completed.
  6983. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  6984. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6985. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6986. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  6987. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  6988. Failed writing message. Aborting connection.
  6989. System.InvalidOperationException: Writing is not allowed after writer was completed.
  6990. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  6991. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6992. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6993. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  6994. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  6995. Failed writing message. Aborting connection.
  6996. System.InvalidOperationException: Writing is not allowed after writer was completed.
  6997. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  6998. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6999. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  7000. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  7001. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  7002. Failed writing message. Aborting connection.
  7003. System.InvalidOperationException: Writing is not allowed after writer was completed.
  7004. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  7005. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  7006. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  7007. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  7008. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  7009. Failed writing message. Aborting connection.
  7010. System.InvalidOperationException: Writing is not allowed after writer was completed.
  7011. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  7012. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  7013. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  7014. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  7015. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  7016. Failed writing message. Aborting connection.
  7017. System.InvalidOperationException: Writing is not allowed after writer was completed.
  7018. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  7019. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  7020. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  7021. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  7022. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  7023. Failed writing message. Aborting connection.
  7024. System.InvalidOperationException: Writing is not allowed after writer was completed.
  7025. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  7026. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  7027. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  7028. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  7029. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  7030. Failed writing message. Aborting connection.
  7031. System.InvalidOperationException: Writing is not allowed after writer was completed.
  7032. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  7033. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  7034. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  7035. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  7036. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  7037. Failed writing message. Aborting connection.
  7038. System.InvalidOperationException: Writing is not allowed after writer was completed.
  7039. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  7040. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  7041. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  7042. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  7043. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  7044. Failed writing message. Aborting connection.
  7045. System.InvalidOperationException: Writing is not allowed after writer was completed.
  7046. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  7047. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  7048. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  7049. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  7050. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  7051. Failed writing message. Aborting connection.
  7052. System.InvalidOperationException: Writing is not allowed after writer was completed.
  7053. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  7054. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  7055. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  7056. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  7057. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  7058. Failed writing message. Aborting connection.
  7059. System.InvalidOperationException: Writing is not allowed after writer was completed.
  7060. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  7061. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  7062. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  7063. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  7064. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  7065. Failed writing message. Aborting connection.
  7066. System.InvalidOperationException: Writing is not allowed after writer was completed.
  7067. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  7068. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  7069. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  7070. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  7071. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  7072. Failed writing message. Aborting connection.
  7073. System.InvalidOperationException: Writing is not allowed after writer was completed.
  7074. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  7075. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  7076. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  7077. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  7078. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  7079. Failed writing message. Aborting connection.
  7080. System.InvalidOperationException: Writing is not allowed after writer was completed.
  7081. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  7082. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  7083. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  7084. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  7085. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  7086. Failed writing message. Aborting connection.
  7087. System.InvalidOperationException: Writing is not allowed after writer was completed.
  7088. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  7089. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  7090. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  7091. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  7092. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  7093. Failed writing message. Aborting connection.
  7094. System.InvalidOperationException: Writing is not allowed after writer was completed.
  7095. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  7096. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  7097. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  7098. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  7099. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  7100. Failed writing message. Aborting connection.
  7101. System.InvalidOperationException: Writing is not allowed after writer was completed.
  7102. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  7103. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  7104. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  7105. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  7106. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  7107. Failed writing message. Aborting connection.
  7108. System.InvalidOperationException: Writing is not allowed after writer was completed.
  7109. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  7110. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  7111. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  7112. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  7113. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  7114. Failed writing message. Aborting connection.
  7115. System.InvalidOperationException: Writing is not allowed after writer was completed.
  7116. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  7117. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  7118. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  7119. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  7120. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  7121. Failed writing message. Aborting connection.
  7122. System.InvalidOperationException: Writing is not allowed after writer was completed.
  7123. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  7124. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  7125. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  7126. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  7127. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  7128. Failed writing message. Aborting connection.
  7129. System.InvalidOperationException: Writing is not allowed after writer was completed.
  7130. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  7131. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  7132. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  7133. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  7134. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  7135. Failed writing message. Aborting connection.
  7136. System.InvalidOperationException: Writing is not allowed after writer was completed.
  7137. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  7138. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  7139. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  7140. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  7141. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  7142. Failed writing message. Aborting connection.
  7143. System.InvalidOperationException: Writing is not allowed after writer was completed.
  7144. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  7145. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  7146. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  7147. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  7148. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  7149. Failed writing message. Aborting connection.
  7150. System.InvalidOperationException: Writing is not allowed after writer was completed.
  7151. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  7152. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  7153. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  7154. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  7155. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  7156. Failed writing message. Aborting connection.
  7157. System.InvalidOperationException: Writing is not allowed after writer was completed.
  7158. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  7159. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  7160. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  7161. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  7162. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  7163. Failed writing message. Aborting connection.
  7164. System.InvalidOperationException: Writing is not allowed after writer was completed.
  7165. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  7166. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  7167. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  7168. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  7169. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  7170. Failed writing message. Aborting connection.
  7171. System.InvalidOperationException: Writing is not allowed after writer was completed.
  7172. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  7173. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  7174. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  7175. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  7176. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  7177. Heartbeat took longer than "00:00:01" at "05/21/2019 10:00:14 +00:00".
  7178. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  7179. Failed writing message. Aborting connection.
  7180. System.InvalidOperationException: Writing is not allowed after writer was completed.
  7181. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  7182. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  7183. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  7184. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  7185. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  7186. Failed writing message. Aborting connection.
  7187. System.InvalidOperationException: Writing is not allowed after writer was completed.
  7188. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  7189. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  7190. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  7191. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  7192. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  7193. Failed writing message. Aborting connection.
  7194. System.InvalidOperationException: Writing is not allowed after writer was completed.
  7195. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  7196. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  7197. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  7198. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  7199. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  7200. Failed writing message. Aborting connection.
  7201. System.InvalidOperationException: Writing is not allowed after writer was completed.
  7202. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  7203. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  7204. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  7205. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  7206. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  7207. Failed writing message. Aborting connection.
  7208. System.InvalidOperationException: Writing is not allowed after writer was completed.
  7209. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  7210. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  7211. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  7212. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  7213. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  7214. Failed writing message. Aborting connection.
  7215. System.InvalidOperationException: Writing is not allowed after writer was completed.
  7216. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  7217. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  7218. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  7219. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  7220. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  7221. Failed writing message. Aborting connection.
  7222. System.InvalidOperationException: Writing is not allowed after writer was completed.
  7223. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  7224. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  7225. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  7226. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  7227. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  7228. Failed writing message. Aborting connection.
  7229. System.InvalidOperationException: Writing is not allowed after writer was completed.
  7230. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  7231. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  7232. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  7233. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  7234. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  7235. Failed writing message. Aborting connection.
  7236. System.InvalidOperationException: Writing is not allowed after writer was completed.
  7237. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  7238. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  7239. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  7240. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  7241. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  7242. Failed writing message. Aborting connection.
  7243. System.InvalidOperationException: Writing is not allowed after writer was completed.
  7244. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  7245. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  7246. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  7247. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  7248. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  7249. Failed writing message. Aborting connection.
  7250. System.InvalidOperationException: Writing is not allowed after writer was completed.
  7251. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  7252. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  7253. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  7254. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  7255. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  7256. Failed writing message. Aborting connection.
  7257. System.InvalidOperationException: Writing is not allowed after writer was completed.
  7258. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  7259. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  7260. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  7261. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  7262. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  7263. Failed writing message. Aborting connection.
  7264. System.InvalidOperationException: Writing is not allowed after writer was completed.
  7265. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  7266. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  7267. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  7268. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  7269. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  7270. Failed writing message. Aborting connection.
  7271. System.InvalidOperationException: Writing is not allowed after writer was completed.
  7272. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  7273. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  7274. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  7275. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  7276. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  7277. Failed writing message. Aborting connection.
  7278. System.InvalidOperationException: Writing is not allowed after writer was completed.
  7279. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  7280. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  7281. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  7282. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  7283. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  7284. Failed writing message. Aborting connection.
  7285. System.InvalidOperationException: Writing is not allowed after writer was completed.
  7286. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  7287. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  7288. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  7289. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  7290. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  7291. Failed writing message. Aborting connection.
  7292. System.InvalidOperationException: Writing is not allowed after writer was completed.
  7293. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  7294. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  7295. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  7296. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  7297. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  7298. Failed writing message. Aborting connection.
  7299. System.InvalidOperationException: Writing is not allowed after writer was completed.
  7300. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  7301. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  7302. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  7303. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  7304. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  7305. Failed writing message. Aborting connection.
  7306. System.InvalidOperationException: Writing is not allowed after writer was completed.
  7307. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  7308. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  7309. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  7310. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  7311. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  7312. Failed writing message. Aborting connection.
  7313. System.InvalidOperationException: Writing is not allowed after writer was completed.
  7314. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  7315. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  7316. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  7317. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  7318. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  7319. Failed writing message. Aborting connection.
  7320. System.InvalidOperationException: Writing is not allowed after writer was completed.
  7321. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  7322. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  7323. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  7324. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  7325. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  7326. Failed writing message. Aborting connection.
  7327. System.InvalidOperationException: Writing is not allowed after writer was completed.
  7328. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  7329. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  7330. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  7331. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  7332. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  7333. Failed writing message. Aborting connection.
  7334. System.InvalidOperationException: Writing is not allowed after writer was completed.
  7335. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  7336. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  7337. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  7338. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  7339. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  7340. Failed writing message. Aborting connection.
  7341. System.InvalidOperationException: Writing is not allowed after writer was completed.
  7342. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  7343. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  7344. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  7345. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  7346. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  7347. Failed writing message. Aborting connection.
  7348. System.InvalidOperationException: Writing is not allowed after writer was completed.
  7349. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  7350. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  7351. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  7352. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  7353. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  7354. Failed writing message. Aborting connection.
  7355. System.InvalidOperationException: Writing is not allowed after writer was completed.
  7356. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  7357. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  7358. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  7359. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  7360. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  7361. Failed writing message. Aborting connection.
  7362. System.InvalidOperationException: Writing is not allowed after writer was completed.
  7363. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  7364. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  7365. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  7366. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  7367. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  7368. Failed writing message. Aborting connection.
  7369. System.InvalidOperationException: Writing is not allowed after writer was completed.
  7370. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  7371. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  7372. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  7373. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  7374. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  7375. Failed writing message. Aborting connection.
  7376. System.InvalidOperationException: Writing is not allowed after writer was completed.
  7377. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  7378. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  7379. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  7380. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  7381. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  7382. Failed writing message. Aborting connection.
  7383. System.InvalidOperationException: Writing is not allowed after writer was completed.
  7384. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  7385. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  7386. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  7387. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  7388. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  7389. Failed writing message. Aborting connection.
  7390. System.InvalidOperationException: Writing is not allowed after writer was completed.
  7391. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  7392. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  7393. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  7394. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  7395. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  7396. Failed writing message. Aborting connection.
  7397. System.InvalidOperationException: Writing is not allowed after writer was completed.
  7398. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  7399. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  7400. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  7401. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  7402. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  7403. Failed writing message. Aborting connection.
  7404. System.InvalidOperationException: Writing is not allowed after writer was completed.
  7405. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  7406. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  7407. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  7408. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  7409. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  7410. Failed writing message. Aborting connection.
  7411. System.InvalidOperationException: Writing is not allowed after writer was completed.
  7412. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  7413. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  7414. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  7415. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  7416. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  7417. Failed writing message. Aborting connection.
  7418. System.InvalidOperationException: Writing is not allowed after writer was completed.
  7419. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  7420. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  7421. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  7422. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  7423. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  7424. Failed writing message. Aborting connection.
  7425. System.InvalidOperationException: Writing is not allowed after writer was completed.
  7426. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  7427. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  7428. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  7429. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  7430. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  7431. Failed writing message. Aborting connection.
  7432. System.InvalidOperationException: Writing is not allowed after writer was completed.
  7433. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  7434. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  7435. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  7436. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  7437. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  7438. Failed writing message. Aborting connection.
  7439. System.InvalidOperationException: Writing is not allowed after writer was completed.
  7440. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  7441. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  7442. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  7443. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  7444. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  7445. Failed writing message. Aborting connection.
  7446. System.InvalidOperationException: Writing is not allowed after writer was completed.
  7447. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  7448. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  7449. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  7450. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  7451. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  7452. Failed writing message. Aborting connection.
  7453. System.InvalidOperationException: Writing is not allowed after writer was completed.
  7454. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  7455. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  7456. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  7457. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  7458. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  7459. Failed writing message. Aborting connection.
  7460. System.InvalidOperationException: Writing is not allowed after writer was completed.
  7461. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  7462. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  7463. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  7464. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  7465. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  7466. Failed writing message. Aborting connection.
  7467. System.InvalidOperationException: Writing is not allowed after writer was completed.
  7468. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  7469. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  7470. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  7471. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  7472. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  7473. Failed writing message. Aborting connection.
  7474. System.InvalidOperationException: Writing is not allowed after writer was completed.
  7475. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  7476. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  7477. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  7478. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  7479. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  7480. Failed writing message. Aborting connection.
  7481. System.InvalidOperationException: Writing is not allowed after writer was completed.
  7482. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  7483. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  7484. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  7485. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  7486. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  7487. Failed writing message. Aborting connection.
  7488. System.InvalidOperationException: Writing is not allowed after writer was completed.
  7489. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  7490. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  7491. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  7492. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  7493. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  7494. Failed writing message. Aborting connection.
  7495. System.InvalidOperationException: Writing is not allowed after writer was completed.
  7496. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  7497. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  7498. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  7499. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  7500. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  7501. Failed writing message. Aborting connection.
  7502. System.InvalidOperationException: Writing is not allowed after writer was completed.
  7503. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  7504. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  7505. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  7506. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  7507. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  7508. Failed writing message. Aborting connection.
  7509. System.InvalidOperationException: Writing is not allowed after writer was completed.
  7510. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  7511. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  7512. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  7513. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  7514. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  7515. Failed writing message. Aborting connection.
  7516. System.InvalidOperationException: Writing is not allowed after writer was completed.
  7517. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  7518. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  7519. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  7520. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  7521. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  7522. Failed writing message. Aborting connection.
  7523. System.InvalidOperationException: Writing is not allowed after writer was completed.
  7524. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  7525. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  7526. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  7527. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  7528. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  7529. Failed writing message. Aborting connection.
  7530. System.InvalidOperationException: Writing is not allowed after writer was completed.
  7531. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  7532. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  7533. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  7534. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  7535. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  7536. Failed writing message. Aborting connection.
  7537. System.InvalidOperationException: Writing is not allowed after writer was completed.
  7538. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  7539. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  7540. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  7541. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  7542. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  7543. Failed writing message. Aborting connection.
  7544. System.InvalidOperationException: Writing is not allowed after writer was completed.
  7545. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  7546. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  7547. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  7548. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  7549. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  7550. Failed writing message. Aborting connection.
  7551. System.InvalidOperationException: Writing is not allowed after writer was completed.
  7552. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  7553. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  7554. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  7555. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  7556. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  7557. Failed writing message. Aborting connection.
  7558. System.InvalidOperationException: Writing is not allowed after writer was completed.
  7559. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  7560. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  7561. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  7562. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  7563. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  7564. Failed writing message. Aborting connection.
  7565. System.InvalidOperationException: Writing is not allowed after writer was completed.
  7566. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  7567. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  7568. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  7569. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  7570. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  7571. Failed writing message. Aborting connection.
  7572. System.InvalidOperationException: Writing is not allowed after writer was completed.
  7573. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  7574. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  7575. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  7576. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  7577. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  7578. Failed writing message. Aborting connection.
  7579. System.InvalidOperationException: Writing is not allowed after writer was completed.
  7580. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  7581. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  7582. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  7583. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  7584. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  7585. Failed writing message. Aborting connection.
  7586. System.InvalidOperationException: Writing is not allowed after writer was completed.
  7587. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  7588. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  7589. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  7590. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  7591. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  7592. Failed writing message. Aborting connection.
  7593. System.InvalidOperationException: Writing is not allowed after writer was completed.
  7594. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  7595. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  7596. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  7597. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  7598. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  7599. Failed writing message. Aborting connection.
  7600. System.InvalidOperationException: Writing is not allowed after writer was completed.
  7601. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  7602. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  7603. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  7604. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  7605. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  7606. Failed writing message. Aborting connection.
  7607. System.InvalidOperationException: Writing is not allowed after writer was completed.
  7608. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  7609. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  7610. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  7611. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  7612. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  7613. Failed writing message. Aborting connection.
  7614. System.InvalidOperationException: Writing is not allowed after writer was completed.
  7615. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  7616. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  7617. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  7618. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  7619. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  7620. Failed writing message. Aborting connection.
  7621. System.InvalidOperationException: Writing is not allowed after writer was completed.
  7622. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  7623. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  7624. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  7625. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  7626. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  7627. Failed writing message. Aborting connection.
  7628. System.InvalidOperationException: Writing is not allowed after writer was completed.
  7629. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  7630. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  7631. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  7632. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  7633. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  7634. Failed writing message. Aborting connection.
  7635. System.InvalidOperationException: Writing is not allowed after writer was completed.
  7636. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  7637. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  7638. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  7639. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  7640. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  7641. Failed writing message. Aborting connection.
  7642. System.InvalidOperationException: Writing is not allowed after writer was completed.
  7643. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  7644. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  7645. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  7646. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  7647. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  7648. Failed writing message. Aborting connection.
  7649. System.InvalidOperationException: Writing is not allowed after writer was completed.
  7650. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  7651. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  7652. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  7653. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  7654. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  7655. Failed writing message. Aborting connection.
  7656. System.InvalidOperationException: Writing is not allowed after writer was completed.
  7657. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  7658. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  7659. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  7660. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  7661. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  7662. Failed writing message. Aborting connection.
  7663. System.InvalidOperationException: Writing is not allowed after writer was completed.
  7664. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  7665. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  7666. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  7667. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  7668. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  7669. Failed writing message. Aborting connection.
  7670. System.InvalidOperationException: Writing is not allowed after writer was completed.
  7671. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  7672. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  7673. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  7674. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  7675. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  7676. Failed writing message. Aborting connection.
  7677. System.InvalidOperationException: Writing is not allowed after writer was completed.
  7678. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  7679. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  7680. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  7681. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  7682. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  7683. Failed writing message. Aborting connection.
  7684. System.InvalidOperationException: Writing is not allowed after writer was completed.
  7685. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  7686. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  7687. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  7688. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  7689. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  7690. Failed writing message. Aborting connection.
  7691. System.InvalidOperationException: Writing is not allowed after writer was completed.
  7692. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  7693. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  7694. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  7695. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  7696. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  7697. Failed writing message. Aborting connection.
  7698. System.InvalidOperationException: Writing is not allowed after writer was completed.
  7699. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  7700. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  7701. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  7702. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  7703. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  7704. Failed writing message. Aborting connection.
  7705. System.InvalidOperationException: Writing is not allowed after writer was completed.
  7706. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  7707. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  7708. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  7709. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  7710. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  7711. Failed writing message. Aborting connection.
  7712. System.InvalidOperationException: Writing is not allowed after writer was completed.
  7713. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  7714. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  7715. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  7716. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  7717. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  7718. Failed writing message. Aborting connection.
  7719. System.InvalidOperationException: Writing is not allowed after writer was completed.
  7720. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  7721. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  7722. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  7723. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  7724. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  7725. Failed writing message. Aborting connection.
  7726. System.InvalidOperationException: Writing is not allowed after writer was completed.
  7727. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  7728. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  7729. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  7730. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  7731. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  7732. Failed writing message. Aborting connection.
  7733. System.InvalidOperationException: Writing is not allowed after writer was completed.
  7734. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  7735. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  7736. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  7737. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  7738. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  7739. Failed writing message. Aborting connection.
  7740. System.InvalidOperationException: Writing is not allowed after writer was completed.
  7741. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  7742. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  7743. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  7744. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  7745. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  7746. Failed writing message. Aborting connection.
  7747. System.InvalidOperationException: Writing is not allowed after writer was completed.
  7748. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  7749. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  7750. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  7751. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  7752. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  7753. Failed writing message. Aborting connection.
  7754. System.InvalidOperationException: Writing is not allowed after writer was completed.
  7755. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  7756. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  7757. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  7758. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  7759. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  7760. Failed writing message. Aborting connection.
  7761. System.InvalidOperationException: Writing is not allowed after writer was completed.
  7762. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  7763. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  7764. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  7765. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  7766. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  7767. Failed writing message. Aborting connection.
  7768. System.InvalidOperationException: Writing is not allowed after writer was completed.
  7769. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  7770. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  7771. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  7772. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  7773. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  7774. Failed writing message. Aborting connection.
  7775. System.InvalidOperationException: Writing is not allowed after writer was completed.
  7776. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  7777. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  7778. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  7779. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  7780. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  7781. Failed writing message. Aborting connection.
  7782. System.InvalidOperationException: Writing is not allowed after writer was completed.
  7783. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  7784. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  7785. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  7786. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  7787. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  7788. Failed writing message. Aborting connection.
  7789. System.InvalidOperationException: Writing is not allowed after writer was completed.
  7790. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  7791. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  7792. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  7793. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  7794. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  7795. Failed writing message. Aborting connection.
  7796. System.InvalidOperationException: Writing is not allowed after writer was completed.
  7797. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  7798. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  7799. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  7800. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  7801. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  7802. Failed writing message. Aborting connection.
  7803. System.InvalidOperationException: Writing is not allowed after writer was completed.
  7804. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  7805. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  7806. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  7807. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  7808. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  7809. Failed writing message. Aborting connection.
  7810. System.InvalidOperationException: Writing is not allowed after writer was completed.
  7811. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  7812. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  7813. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  7814. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  7815. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  7816. Failed writing message. Aborting connection.
  7817. System.InvalidOperationException: Writing is not allowed after writer was completed.
  7818. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  7819. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  7820. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  7821. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  7822. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  7823. Failed writing message. Aborting connection.
  7824. System.InvalidOperationException: Writing is not allowed after writer was completed.
  7825. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  7826. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  7827. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  7828. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  7829. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  7830. Failed writing message. Aborting connection.
  7831. System.InvalidOperationException: Writing is not allowed after writer was completed.
  7832. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  7833. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  7834. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  7835. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  7836. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  7837. Failed writing message. Aborting connection.
  7838. System.InvalidOperationException: Writing is not allowed after writer was completed.
  7839. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  7840. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  7841. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  7842. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  7843. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  7844. Failed writing message. Aborting connection.
  7845. System.InvalidOperationException: Writing is not allowed after writer was completed.
  7846. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  7847. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  7848. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  7849. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  7850. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  7851. Failed writing message. Aborting connection.
  7852. System.InvalidOperationException: Writing is not allowed after writer was completed.
  7853. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  7854. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  7855. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  7856. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  7857. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  7858. Failed writing message. Aborting connection.
  7859. System.InvalidOperationException: Writing is not allowed after writer was completed.
  7860. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  7861. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  7862. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  7863. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  7864. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  7865. Failed writing message. Aborting connection.
  7866. System.InvalidOperationException: Writing is not allowed after writer was completed.
  7867. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  7868. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  7869. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  7870. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  7871. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  7872. Failed writing message. Aborting connection.
  7873. System.InvalidOperationException: Writing is not allowed after writer was completed.
  7874. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  7875. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  7876. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  7877. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  7878. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  7879. Failed writing message. Aborting connection.
  7880. System.InvalidOperationException: Writing is not allowed after writer was completed.
  7881. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  7882. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  7883. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  7884. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  7885. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  7886. Failed writing message. Aborting connection.
  7887. System.InvalidOperationException: Writing is not allowed after writer was completed.
  7888. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  7889. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  7890. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  7891. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  7892. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  7893. Failed writing message. Aborting connection.
  7894. System.InvalidOperationException: Writing is not allowed after writer was completed.
  7895. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  7896. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  7897. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  7898. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  7899. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  7900. Failed writing message. Aborting connection.
  7901. System.InvalidOperationException: Writing is not allowed after writer was completed.
  7902. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  7903. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  7904. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  7905. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  7906. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  7907. Failed writing message. Aborting connection.
  7908. System.InvalidOperationException: Writing is not allowed after writer was completed.
  7909. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  7910. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  7911. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  7912. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  7913. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  7914. Failed writing message. Aborting connection.
  7915. System.InvalidOperationException: Writing is not allowed after writer was completed.
  7916. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  7917. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  7918. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  7919. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  7920. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  7921. Failed writing message. Aborting connection.
  7922. System.InvalidOperationException: Writing is not allowed after writer was completed.
  7923. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  7924. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  7925. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  7926. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  7927. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  7928. Failed writing message. Aborting connection.
  7929. System.InvalidOperationException: Writing is not allowed after writer was completed.
  7930. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  7931. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  7932. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  7933. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  7934. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  7935. Failed writing message. Aborting connection.
  7936. System.InvalidOperationException: Writing is not allowed after writer was completed.
  7937. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  7938. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  7939. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  7940. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  7941. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  7942. Failed writing message. Aborting connection.
  7943. System.InvalidOperationException: Writing is not allowed after writer was completed.
  7944. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  7945. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  7946. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  7947. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  7948. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  7949. Failed writing message. Aborting connection.
  7950. System.InvalidOperationException: Writing is not allowed after writer was completed.
  7951. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  7952. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  7953. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  7954. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  7955. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  7956. Failed writing message. Aborting connection.
  7957. System.InvalidOperationException: Writing is not allowed after writer was completed.
  7958. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  7959. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  7960. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  7961. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  7962. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  7963. Failed writing message. Aborting connection.
  7964. System.InvalidOperationException: Writing is not allowed after writer was completed.
  7965. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  7966. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  7967. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  7968. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  7969. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  7970. Failed writing message. Aborting connection.
  7971. System.InvalidOperationException: Writing is not allowed after writer was completed.
  7972. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  7973. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  7974. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  7975. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  7976. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  7977. Failed writing message. Aborting connection.
  7978. System.InvalidOperationException: Writing is not allowed after writer was completed.
  7979. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  7980. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  7981. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  7982. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  7983. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  7984. Failed writing message. Aborting connection.
  7985. System.InvalidOperationException: Writing is not allowed after writer was completed.
  7986. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  7987. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  7988. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  7989. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  7990. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  7991. Failed writing message. Aborting connection.
  7992. System.InvalidOperationException: Writing is not allowed after writer was completed.
  7993. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  7994. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  7995. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  7996. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  7997. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  7998. Failed writing message. Aborting connection.
  7999. System.InvalidOperationException: Writing is not allowed after writer was completed.
  8000. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  8001. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  8002. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  8003. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  8004. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  8005. Failed writing message. Aborting connection.
  8006. System.InvalidOperationException: Writing is not allowed after writer was completed.
  8007. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  8008. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  8009. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  8010. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  8011. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  8012. Failed writing message. Aborting connection.
  8013. System.InvalidOperationException: Writing is not allowed after writer was completed.
  8014. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  8015. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  8016. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  8017. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  8018. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  8019. Failed writing message. Aborting connection.
  8020. System.InvalidOperationException: Writing is not allowed after writer was completed.
  8021. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  8022. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  8023. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  8024. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  8025. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  8026. Failed writing message. Aborting connection.
  8027. System.InvalidOperationException: Writing is not allowed after writer was completed.
  8028. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  8029. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  8030. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  8031. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  8032. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  8033. Failed writing message. Aborting connection.
  8034. System.InvalidOperationException: Writing is not allowed after writer was completed.
  8035. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  8036. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  8037. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  8038. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  8039. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  8040. Failed writing message. Aborting connection.
  8041. System.InvalidOperationException: Writing is not allowed after writer was completed.
  8042. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  8043. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  8044. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  8045. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  8046. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  8047. Failed writing message. Aborting connection.
  8048. System.InvalidOperationException: Writing is not allowed after writer was completed.
  8049. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  8050. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  8051. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  8052. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  8053. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  8054. Failed writing message. Aborting connection.
  8055. System.InvalidOperationException: Writing is not allowed after writer was completed.
  8056. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  8057. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  8058. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  8059. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  8060. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  8061. Failed writing message. Aborting connection.
  8062. System.InvalidOperationException: Writing is not allowed after writer was completed.
  8063. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  8064. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  8065. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  8066. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  8067. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  8068. Failed writing message. Aborting connection.
  8069. System.InvalidOperationException: Writing is not allowed after writer was completed.
  8070. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  8071. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  8072. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  8073. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  8074. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  8075. Failed writing message. Aborting connection.
  8076. System.InvalidOperationException: Writing is not allowed after writer was completed.
  8077. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  8078. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  8079. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  8080. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  8081. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  8082. Failed writing message. Aborting connection.
  8083. System.InvalidOperationException: Writing is not allowed after writer was completed.
  8084. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  8085. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  8086. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  8087. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  8088. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  8089. Failed writing message. Aborting connection.
  8090. System.InvalidOperationException: Writing is not allowed after writer was completed.
  8091. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  8092. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  8093. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  8094. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  8095. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  8096. Failed writing message. Aborting connection.
  8097. System.InvalidOperationException: Writing is not allowed after writer was completed.
  8098. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  8099. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  8100. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  8101. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  8102. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  8103. Failed writing message. Aborting connection.
  8104. System.InvalidOperationException: Writing is not allowed after writer was completed.
  8105. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  8106. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  8107. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  8108. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  8109. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  8110. Failed writing message. Aborting connection.
  8111. System.InvalidOperationException: Writing is not allowed after writer was completed.
  8112. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  8113. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  8114. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  8115. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  8116. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  8117. Failed writing message. Aborting connection.
  8118. System.InvalidOperationException: Writing is not allowed after writer was completed.
  8119. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  8120. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  8121. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  8122. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  8123. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  8124. Failed writing message. Aborting connection.
  8125. System.InvalidOperationException: Writing is not allowed after writer was completed.
  8126. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  8127. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  8128. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  8129. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  8130. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  8131. Failed writing message. Aborting connection.
  8132. System.InvalidOperationException: Writing is not allowed after writer was completed.
  8133. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  8134. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  8135. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  8136. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  8137. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  8138. Failed writing message. Aborting connection.
  8139. System.InvalidOperationException: Writing is not allowed after writer was completed.
  8140. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  8141. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  8142. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  8143. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  8144. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  8145. Failed writing message. Aborting connection.
  8146. System.InvalidOperationException: Writing is not allowed after writer was completed.
  8147. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  8148. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  8149. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  8150. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  8151. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  8152. Failed writing message. Aborting connection.
  8153. System.InvalidOperationException: Writing is not allowed after writer was completed.
  8154. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  8155. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  8156. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  8157. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  8158. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  8159. Failed writing message. Aborting connection.
  8160. System.InvalidOperationException: Writing is not allowed after writer was completed.
  8161. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  8162. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  8163. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  8164. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  8165. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  8166. Failed writing message. Aborting connection.
  8167. System.InvalidOperationException: Writing is not allowed after writer was completed.
  8168. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  8169. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  8170. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  8171. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  8172. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  8173. Failed writing message. Aborting connection.
  8174. System.InvalidOperationException: Writing is not allowed after writer was completed.
  8175. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  8176. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  8177. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  8178. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  8179. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  8180. Failed writing message. Aborting connection.
  8181. System.InvalidOperationException: Writing is not allowed after writer was completed.
  8182. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  8183. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  8184. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  8185. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  8186. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  8187. Failed writing message. Aborting connection.
  8188. System.InvalidOperationException: Writing is not allowed after writer was completed.
  8189. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  8190. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  8191. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  8192. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  8193. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  8194. Failed writing message. Aborting connection.
  8195. System.InvalidOperationException: Writing is not allowed after writer was completed.
  8196. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  8197. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  8198. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  8199. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  8200. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  8201. Failed writing message. Aborting connection.
  8202. System.InvalidOperationException: Writing is not allowed after writer was completed.
  8203. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  8204. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  8205. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  8206. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  8207. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  8208. Failed writing message. Aborting connection.
  8209. System.InvalidOperationException: Writing is not allowed after writer was completed.
  8210. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  8211. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  8212. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  8213. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  8214. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  8215. Failed writing message. Aborting connection.
  8216. System.InvalidOperationException: Writing is not allowed after writer was completed.
  8217. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  8218. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  8219. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  8220. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  8221. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  8222. Failed writing message. Aborting connection.
  8223. System.InvalidOperationException: Writing is not allowed after writer was completed.
  8224. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  8225. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  8226. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  8227. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  8228. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  8229. Failed writing message. Aborting connection.
  8230. System.InvalidOperationException: Writing is not allowed after writer was completed.
  8231. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  8232. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  8233. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  8234. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  8235. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  8236. Failed writing message. Aborting connection.
  8237. System.InvalidOperationException: Writing is not allowed after writer was completed.
  8238. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  8239. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  8240. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  8241. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  8242. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  8243. Failed writing message. Aborting connection.
  8244. System.InvalidOperationException: Writing is not allowed after writer was completed.
  8245. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  8246. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  8247. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  8248. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  8249. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  8250. Failed writing message. Aborting connection.
  8251. System.InvalidOperationException: Writing is not allowed after writer was completed.
  8252. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  8253. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  8254. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  8255. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  8256. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  8257. Failed writing message. Aborting connection.
  8258. System.InvalidOperationException: Writing is not allowed after writer was completed.
  8259. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  8260. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  8261. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  8262. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  8263. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  8264. Failed writing message. Aborting connection.
  8265. System.InvalidOperationException: Writing is not allowed after writer was completed.
  8266. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  8267. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  8268. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  8269. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  8270. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  8271. Failed writing message. Aborting connection.
  8272. System.InvalidOperationException: Writing is not allowed after writer was completed.
  8273. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  8274. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  8275. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  8276. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  8277. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  8278. Failed writing message. Aborting connection.
  8279. System.InvalidOperationException: Writing is not allowed after writer was completed.
  8280. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  8281. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  8282. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  8283. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  8284. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  8285. Failed writing message. Aborting connection.
  8286. System.InvalidOperationException: Writing is not allowed after writer was completed.
  8287. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  8288. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  8289. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  8290. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  8291. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  8292. Failed writing message. Aborting connection.
  8293. System.InvalidOperationException: Writing is not allowed after writer was completed.
  8294. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  8295. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  8296. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  8297. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  8298. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  8299. Failed writing message. Aborting connection.
  8300. System.InvalidOperationException: Writing is not allowed after writer was completed.
  8301. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  8302. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  8303. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  8304. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  8305. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  8306. Failed writing message. Aborting connection.
  8307. System.InvalidOperationException: Writing is not allowed after writer was completed.
  8308. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  8309. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  8310. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  8311. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  8312. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  8313. Failed writing message. Aborting connection.
  8314. System.InvalidOperationException: Writing is not allowed after writer was completed.
  8315. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  8316. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  8317. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  8318. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  8319. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  8320. Failed writing message. Aborting connection.
  8321. System.InvalidOperationException: Writing is not allowed after writer was completed.
  8322. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  8323. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  8324. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  8325. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  8326. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  8327. Heartbeat took longer than "00:00:01" at "05/21/2019 10:00:17 +00:00".
  8328. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  8329. Failed writing message. Aborting connection.
  8330. System.InvalidOperationException: Writing is not allowed after writer was completed.
  8331. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  8332. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  8333. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  8334. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  8335. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  8336. Failed writing message. Aborting connection.
  8337. System.InvalidOperationException: Writing is not allowed after writer was completed.
  8338. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  8339. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  8340. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  8341. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  8342. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  8343. Failed writing message. Aborting connection.
  8344. System.InvalidOperationException: Writing is not allowed after writer was completed.
  8345. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  8346. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  8347. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  8348. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  8349. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  8350. Failed writing message. Aborting connection.
  8351. System.InvalidOperationException: Writing is not allowed after writer was completed.
  8352. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  8353. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  8354. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  8355. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  8356. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  8357. Failed writing message. Aborting connection.
  8358. System.InvalidOperationException: Writing is not allowed after writer was completed.
  8359. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  8360. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  8361. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  8362. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  8363. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  8364. Failed writing message. Aborting connection.
  8365. System.InvalidOperationException: Writing is not allowed after writer was completed.
  8366. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  8367. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  8368. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  8369. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  8370. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  8371. Failed writing message. Aborting connection.
  8372. System.InvalidOperationException: Writing is not allowed after writer was completed.
  8373. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  8374. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  8375. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  8376. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  8377. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  8378. Failed writing message. Aborting connection.
  8379. System.InvalidOperationException: Writing is not allowed after writer was completed.
  8380. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  8381. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  8382. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  8383. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  8384. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  8385. Failed writing message. Aborting connection.
  8386. System.InvalidOperationException: Writing is not allowed after writer was completed.
  8387. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  8388. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  8389. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  8390. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  8391. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  8392. Failed writing message. Aborting connection.
  8393. System.InvalidOperationException: Writing is not allowed after writer was completed.
  8394. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  8395. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  8396. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  8397. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  8398. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  8399. Failed writing message. Aborting connection.
  8400. System.InvalidOperationException: Writing is not allowed after writer was completed.
  8401. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  8402. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  8403. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  8404. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  8405. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  8406. Failed writing message. Aborting connection.
  8407. System.InvalidOperationException: Writing is not allowed after writer was completed.
  8408. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  8409. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  8410. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  8411. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  8412. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  8413. Failed writing message. Aborting connection.
  8414. System.InvalidOperationException: Writing is not allowed after writer was completed.
  8415. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  8416. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  8417. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  8418. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  8419. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  8420. Failed writing message. Aborting connection.
  8421. System.InvalidOperationException: Writing is not allowed after writer was completed.
  8422. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  8423. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  8424. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  8425. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  8426. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  8427. Failed writing message. Aborting connection.
  8428. System.InvalidOperationException: Writing is not allowed after writer was completed.
  8429. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  8430. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  8431. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  8432. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  8433. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  8434. Failed writing message. Aborting connection.
  8435. System.InvalidOperationException: Writing is not allowed after writer was completed.
  8436. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  8437. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  8438. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  8439. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  8440. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  8441. Failed writing message. Aborting connection.
  8442. System.InvalidOperationException: Writing is not allowed after writer was completed.
  8443. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  8444. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  8445. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  8446. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  8447. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  8448. Failed writing message. Aborting connection.
  8449. System.InvalidOperationException: Writing is not allowed after writer was completed.
  8450. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  8451. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  8452. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  8453. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  8454. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  8455. Failed writing message. Aborting connection.
  8456. System.InvalidOperationException: Writing is not allowed after writer was completed.
  8457. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  8458. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  8459. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  8460. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  8461. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  8462. Failed writing message. Aborting connection.
  8463. System.InvalidOperationException: Writing is not allowed after writer was completed.
  8464. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  8465. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  8466. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  8467. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  8468. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  8469. Failed writing message. Aborting connection.
  8470. System.InvalidOperationException: Writing is not allowed after writer was completed.
  8471. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  8472. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  8473. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  8474. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  8475. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  8476. Failed writing message. Aborting connection.
  8477. System.InvalidOperationException: Writing is not allowed after writer was completed.
  8478. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  8479. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  8480. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  8481. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  8482. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  8483. Failed writing message. Aborting connection.
  8484. System.InvalidOperationException: Writing is not allowed after writer was completed.
  8485. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  8486. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  8487. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  8488. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  8489. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  8490. Failed writing message. Aborting connection.
  8491. System.InvalidOperationException: Writing is not allowed after writer was completed.
  8492. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  8493. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  8494. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  8495. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  8496. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  8497. Failed writing message. Aborting connection.
  8498. System.InvalidOperationException: Writing is not allowed after writer was completed.
  8499. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  8500. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  8501. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  8502. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  8503. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  8504. Failed writing message. Aborting connection.
  8505. System.InvalidOperationException: Writing is not allowed after writer was completed.
  8506. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  8507. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  8508. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  8509. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  8510. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  8511. Failed writing message. Aborting connection.
  8512. System.InvalidOperationException: Writing is not allowed after writer was completed.
  8513. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  8514. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  8515. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  8516. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  8517. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  8518. Failed writing message. Aborting connection.
  8519. System.InvalidOperationException: Writing is not allowed after writer was completed.
  8520. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  8521. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  8522. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  8523. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  8524. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  8525. Failed writing message. Aborting connection.
  8526. System.InvalidOperationException: Writing is not allowed after writer was completed.
  8527. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  8528. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  8529. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  8530. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  8531. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  8532. Failed writing message. Aborting connection.
  8533. System.InvalidOperationException: Writing is not allowed after writer was completed.
  8534. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  8535. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  8536. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  8537. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  8538. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  8539. Failed writing message. Aborting connection.
  8540. System.InvalidOperationException: Writing is not allowed after writer was completed.
  8541. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  8542. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  8543. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  8544. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  8545. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  8546. Failed writing message. Aborting connection.
  8547. System.InvalidOperationException: Writing is not allowed after writer was completed.
  8548. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  8549. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  8550. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  8551. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  8552. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  8553. Failed writing message. Aborting connection.
  8554. System.InvalidOperationException: Writing is not allowed after writer was completed.
  8555. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  8556. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  8557. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  8558. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  8559. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  8560. Failed writing message. Aborting connection.
  8561. System.InvalidOperationException: Writing is not allowed after writer was completed.
  8562. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  8563. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  8564. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  8565. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  8566. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  8567. Failed writing message. Aborting connection.
  8568. System.InvalidOperationException: Writing is not allowed after writer was completed.
  8569. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  8570. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  8571. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  8572. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  8573. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  8574. Failed writing message. Aborting connection.
  8575. System.InvalidOperationException: Writing is not allowed after writer was completed.
  8576. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  8577. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  8578. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  8579. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  8580. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  8581. Failed writing message. Aborting connection.
  8582. System.InvalidOperationException: Writing is not allowed after writer was completed.
  8583. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  8584. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  8585. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  8586. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  8587. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  8588. Failed writing message. Aborting connection.
  8589. System.InvalidOperationException: Writing is not allowed after writer was completed.
  8590. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  8591. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  8592. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  8593. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  8594. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  8595. Failed writing message. Aborting connection.
  8596. System.InvalidOperationException: Writing is not allowed after writer was completed.
  8597. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  8598. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  8599. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  8600. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  8601. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  8602. Failed writing message. Aborting connection.
  8603. System.InvalidOperationException: Writing is not allowed after writer was completed.
  8604. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  8605. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  8606. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  8607. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  8608. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  8609. Failed writing message. Aborting connection.
  8610. System.InvalidOperationException: Writing is not allowed after writer was completed.
  8611. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  8612. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  8613. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  8614. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  8615. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  8616. Failed writing message. Aborting connection.
  8617. System.InvalidOperationException: Writing is not allowed after writer was completed.
  8618. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  8619. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  8620. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  8621. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  8622. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  8623. Failed writing message. Aborting connection.
  8624. System.InvalidOperationException: Writing is not allowed after writer was completed.
  8625. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  8626. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  8627. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  8628. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  8629. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  8630. Failed writing message. Aborting connection.
  8631. System.InvalidOperationException: Writing is not allowed after writer was completed.
  8632. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  8633. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  8634. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  8635. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  8636. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  8637. Failed writing message. Aborting connection.
  8638. System.InvalidOperationException: Writing is not allowed after writer was completed.
  8639. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  8640. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  8641. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  8642. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  8643. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  8644. Failed writing message. Aborting connection.
  8645. System.InvalidOperationException: Writing is not allowed after writer was completed.
  8646. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  8647. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  8648. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  8649. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  8650. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  8651. Failed writing message. Aborting connection.
  8652. System.InvalidOperationException: Writing is not allowed after writer was completed.
  8653. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  8654. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  8655. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  8656. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  8657. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  8658. Failed writing message. Aborting connection.
  8659. System.InvalidOperationException: Writing is not allowed after writer was completed.
  8660. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  8661. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  8662. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  8663. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  8664. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  8665. Failed writing message. Aborting connection.
  8666. System.InvalidOperationException: Writing is not allowed after writer was completed.
  8667. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  8668. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  8669. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  8670. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  8671. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  8672. Failed writing message. Aborting connection.
  8673. System.InvalidOperationException: Writing is not allowed after writer was completed.
  8674. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  8675. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  8676. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  8677. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  8678. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  8679. Failed writing message. Aborting connection.
  8680. System.InvalidOperationException: Writing is not allowed after writer was completed.
  8681. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  8682. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  8683. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  8684. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  8685. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  8686. Failed writing message. Aborting connection.
  8687. System.InvalidOperationException: Writing is not allowed after writer was completed.
  8688. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  8689. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  8690. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  8691. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  8692. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  8693. Failed writing message. Aborting connection.
  8694. System.InvalidOperationException: Writing is not allowed after writer was completed.
  8695. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  8696. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  8697. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  8698. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  8699. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  8700. Failed writing message. Aborting connection.
  8701. System.InvalidOperationException: Writing is not allowed after writer was completed.
  8702. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  8703. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  8704. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  8705. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  8706. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  8707. Failed writing message. Aborting connection.
  8708. System.InvalidOperationException: Writing is not allowed after writer was completed.
  8709. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  8710. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  8711. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  8712. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  8713. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  8714. Failed writing message. Aborting connection.
  8715. System.InvalidOperationException: Writing is not allowed after writer was completed.
  8716. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  8717. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  8718. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  8719. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  8720. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  8721. Failed writing message. Aborting connection.
  8722. System.InvalidOperationException: Writing is not allowed after writer was completed.
  8723. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  8724. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  8725. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  8726. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  8727. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  8728. Failed writing message. Aborting connection.
  8729. System.InvalidOperationException: Writing is not allowed after writer was completed.
  8730. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  8731. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  8732. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  8733. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  8734. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  8735. Failed writing message. Aborting connection.
  8736. System.InvalidOperationException: Writing is not allowed after writer was completed.
  8737. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  8738. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  8739. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  8740. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  8741. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  8742. Failed writing message. Aborting connection.
  8743. System.InvalidOperationException: Writing is not allowed after writer was completed.
  8744. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  8745. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  8746. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  8747. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  8748. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  8749. Failed writing message. Aborting connection.
  8750. System.InvalidOperationException: Writing is not allowed after writer was completed.
  8751. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  8752. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  8753. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  8754. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  8755. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  8756. Failed writing message. Aborting connection.
  8757. System.InvalidOperationException: Writing is not allowed after writer was completed.
  8758. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  8759. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  8760. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  8761. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  8762. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  8763. Failed writing message. Aborting connection.
  8764. System.InvalidOperationException: Writing is not allowed after writer was completed.
  8765. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  8766. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  8767. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  8768. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  8769. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  8770. Failed writing message. Aborting connection.
  8771. System.InvalidOperationException: Writing is not allowed after writer was completed.
  8772. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  8773. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  8774. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  8775. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  8776. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  8777. Failed writing message. Aborting connection.
  8778. System.InvalidOperationException: Writing is not allowed after writer was completed.
  8779. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  8780. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  8781. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  8782. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  8783. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  8784. Failed writing message. Aborting connection.
  8785. System.InvalidOperationException: Writing is not allowed after writer was completed.
  8786. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  8787. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  8788. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  8789. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  8790. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  8791. Failed writing message. Aborting connection.
  8792. System.InvalidOperationException: Writing is not allowed after writer was completed.
  8793. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  8794. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  8795. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  8796. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  8797. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  8798. Failed writing message. Aborting connection.
  8799. System.InvalidOperationException: Writing is not allowed after writer was completed.
  8800. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  8801. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  8802. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  8803. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  8804. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  8805. Failed writing message. Aborting connection.
  8806. System.InvalidOperationException: Writing is not allowed after writer was completed.
  8807. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  8808. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  8809. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  8810. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  8811. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  8812. Failed writing message. Aborting connection.
  8813. System.InvalidOperationException: Writing is not allowed after writer was completed.
  8814. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  8815. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  8816. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  8817. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  8818. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  8819. Failed writing message. Aborting connection.
  8820. System.InvalidOperationException: Writing is not allowed after writer was completed.
  8821. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  8822. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  8823. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  8824. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  8825. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  8826. Failed writing message. Aborting connection.
  8827. System.InvalidOperationException: Writing is not allowed after writer was completed.
  8828. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  8829. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  8830. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  8831. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  8832. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  8833. Failed writing message. Aborting connection.
  8834. System.InvalidOperationException: Writing is not allowed after writer was completed.
  8835. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  8836. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  8837. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  8838. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  8839. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  8840. Failed writing message. Aborting connection.
  8841. System.InvalidOperationException: Writing is not allowed after writer was completed.
  8842. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  8843. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  8844. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  8845. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  8846. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  8847. Failed writing message. Aborting connection.
  8848. System.InvalidOperationException: Writing is not allowed after writer was completed.
  8849. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  8850. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  8851. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  8852. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  8853. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  8854. Failed writing message. Aborting connection.
  8855. System.InvalidOperationException: Writing is not allowed after writer was completed.
  8856. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  8857. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  8858. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  8859. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  8860. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  8861. Failed writing message. Aborting connection.
  8862. System.InvalidOperationException: Writing is not allowed after writer was completed.
  8863. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  8864. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  8865. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  8866. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  8867. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  8868. Failed writing message. Aborting connection.
  8869. System.InvalidOperationException: Writing is not allowed after writer was completed.
  8870. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  8871. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  8872. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  8873. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  8874. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  8875. Failed writing message. Aborting connection.
  8876. System.InvalidOperationException: Writing is not allowed after writer was completed.
  8877. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  8878. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  8879. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  8880. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  8881. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  8882. Failed writing message. Aborting connection.
  8883. System.InvalidOperationException: Writing is not allowed after writer was completed.
  8884. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  8885. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  8886. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  8887. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  8888. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  8889. Failed writing message. Aborting connection.
  8890. System.InvalidOperationException: Writing is not allowed after writer was completed.
  8891. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  8892. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  8893. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  8894. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  8895. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  8896. Failed writing message. Aborting connection.
  8897. System.InvalidOperationException: Writing is not allowed after writer was completed.
  8898. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  8899. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  8900. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  8901. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  8902. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  8903. Failed writing message. Aborting connection.
  8904. System.InvalidOperationException: Writing is not allowed after writer was completed.
  8905. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  8906. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  8907. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  8908. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  8909. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  8910. Failed writing message. Aborting connection.
  8911. System.InvalidOperationException: Writing is not allowed after writer was completed.
  8912. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  8913. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  8914. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  8915. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  8916. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  8917. Failed writing message. Aborting connection.
  8918. System.InvalidOperationException: Writing is not allowed after writer was completed.
  8919. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  8920. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  8921. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  8922. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  8923. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  8924. Failed writing message. Aborting connection.
  8925. System.InvalidOperationException: Writing is not allowed after writer was completed.
  8926. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  8927. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  8928. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  8929. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  8930. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  8931. Failed writing message. Aborting connection.
  8932. System.InvalidOperationException: Writing is not allowed after writer was completed.
  8933. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  8934. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  8935. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  8936. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  8937. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  8938. Failed writing message. Aborting connection.
  8939. System.InvalidOperationException: Writing is not allowed after writer was completed.
  8940. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  8941. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  8942. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  8943. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  8944. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  8945. Failed writing message. Aborting connection.
  8946. System.InvalidOperationException: Writing is not allowed after writer was completed.
  8947. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  8948. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  8949. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  8950. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  8951. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  8952. Failed writing message. Aborting connection.
  8953. System.InvalidOperationException: Writing is not allowed after writer was completed.
  8954. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  8955. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  8956. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  8957. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  8958. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  8959. Failed writing message. Aborting connection.
  8960. System.InvalidOperationException: Writing is not allowed after writer was completed.
  8961. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  8962. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  8963. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  8964. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  8965. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  8966. Failed writing message. Aborting connection.
  8967. System.InvalidOperationException: Writing is not allowed after writer was completed.
  8968. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  8969. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  8970. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  8971. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  8972. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  8973. Failed writing message. Aborting connection.
  8974. System.InvalidOperationException: Writing is not allowed after writer was completed.
  8975. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  8976. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  8977. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  8978. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  8979. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  8980. Failed writing message. Aborting connection.
  8981. System.InvalidOperationException: Writing is not allowed after writer was completed.
  8982. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  8983. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  8984. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  8985. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  8986. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  8987. Failed writing message. Aborting connection.
  8988. System.InvalidOperationException: Writing is not allowed after writer was completed.
  8989. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  8990. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  8991. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  8992. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  8993. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  8994. Failed writing message. Aborting connection.
  8995. System.InvalidOperationException: Writing is not allowed after writer was completed.
  8996. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  8997. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  8998. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  8999. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  9000. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  9001. Failed writing message. Aborting connection.
  9002. System.InvalidOperationException: Writing is not allowed after writer was completed.
  9003. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  9004. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  9005. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  9006. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  9007. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  9008. Failed writing message. Aborting connection.
  9009. System.InvalidOperationException: Writing is not allowed after writer was completed.
  9010. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  9011. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  9012. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  9013. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  9014. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  9015. Failed writing message. Aborting connection.
  9016. System.InvalidOperationException: Writing is not allowed after writer was completed.
  9017. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  9018. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  9019. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  9020. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  9021. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  9022. Failed writing message. Aborting connection.
  9023. System.InvalidOperationException: Writing is not allowed after writer was completed.
  9024. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  9025. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  9026. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  9027. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  9028. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  9029. Failed writing message. Aborting connection.
  9030. System.InvalidOperationException: Writing is not allowed after writer was completed.
  9031. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  9032. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  9033. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  9034. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  9035. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  9036. Failed writing message. Aborting connection.
  9037. System.InvalidOperationException: Writing is not allowed after writer was completed.
  9038. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  9039. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  9040. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  9041. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  9042. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  9043. Failed writing message. Aborting connection.
  9044. System.InvalidOperationException: Writing is not allowed after writer was completed.
  9045. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  9046. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  9047. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  9048. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  9049. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  9050. Failed writing message. Aborting connection.
  9051. System.InvalidOperationException: Writing is not allowed after writer was completed.
  9052. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  9053. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  9054. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  9055. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  9056. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  9057. Failed writing message. Aborting connection.
  9058. System.InvalidOperationException: Writing is not allowed after writer was completed.
  9059. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  9060. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  9061. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  9062. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  9063. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  9064. Failed writing message. Aborting connection.
  9065. System.InvalidOperationException: Writing is not allowed after writer was completed.
  9066. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  9067. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  9068. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  9069. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  9070. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  9071. Failed writing message. Aborting connection.
  9072. System.InvalidOperationException: Writing is not allowed after writer was completed.
  9073. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  9074. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  9075. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  9076. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  9077. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  9078. Failed writing message. Aborting connection.
  9079. System.InvalidOperationException: Writing is not allowed after writer was completed.
  9080. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  9081. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  9082. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  9083. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  9084. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  9085. Failed writing message. Aborting connection.
  9086. System.InvalidOperationException: Writing is not allowed after writer was completed.
  9087. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  9088. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  9089. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  9090. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  9091. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  9092. Failed writing message. Aborting connection.
  9093. System.InvalidOperationException: Writing is not allowed after writer was completed.
  9094. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  9095. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  9096. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  9097. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  9098. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  9099. Failed writing message. Aborting connection.
  9100. System.InvalidOperationException: Writing is not allowed after writer was completed.
  9101. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  9102. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  9103. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  9104. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  9105. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  9106. Failed writing message. Aborting connection.
  9107. System.InvalidOperationException: Writing is not allowed after writer was completed.
  9108. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  9109. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  9110. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  9111. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  9112. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  9113. Failed writing message. Aborting connection.
  9114. System.InvalidOperationException: Writing is not allowed after writer was completed.
  9115. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  9116. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  9117. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  9118. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  9119. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  9120. Failed writing message. Aborting connection.
  9121. System.InvalidOperationException: Writing is not allowed after writer was completed.
  9122. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  9123. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  9124. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  9125. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  9126. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  9127. Failed writing message. Aborting connection.
  9128. System.InvalidOperationException: Writing is not allowed after writer was completed.
  9129. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  9130. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  9131. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  9132. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  9133. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  9134. Failed writing message. Aborting connection.
  9135. System.InvalidOperationException: Writing is not allowed after writer was completed.
  9136. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  9137. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  9138. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  9139. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  9140. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  9141. Failed writing message. Aborting connection.
  9142. System.InvalidOperationException: Writing is not allowed after writer was completed.
  9143. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  9144. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  9145. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  9146. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  9147. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  9148. Failed writing message. Aborting connection.
  9149. System.InvalidOperationException: Writing is not allowed after writer was completed.
  9150. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  9151. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  9152. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  9153. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  9154. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  9155. Failed writing message. Aborting connection.
  9156. System.InvalidOperationException: Writing is not allowed after writer was completed.
  9157. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  9158. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  9159. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  9160. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  9161. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  9162. Failed writing message. Aborting connection.
  9163. System.InvalidOperationException: Writing is not allowed after writer was completed.
  9164. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  9165. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  9166. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  9167. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  9168. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  9169. Failed writing message. Aborting connection.
  9170. System.InvalidOperationException: Writing is not allowed after writer was completed.
  9171. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  9172. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  9173. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  9174. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  9175. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  9176. Failed writing message. Aborting connection.
  9177. System.InvalidOperationException: Writing is not allowed after writer was completed.
  9178. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  9179. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  9180. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  9181. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  9182. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  9183. Failed writing message. Aborting connection.
  9184. System.InvalidOperationException: Writing is not allowed after writer was completed.
  9185. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  9186. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  9187. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  9188. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  9189. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  9190. Failed writing message. Aborting connection.
  9191. System.InvalidOperationException: Writing is not allowed after writer was completed.
  9192. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  9193. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  9194. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  9195. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  9196. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  9197. Failed writing message. Aborting connection.
  9198. System.InvalidOperationException: Writing is not allowed after writer was completed.
  9199. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  9200. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  9201. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  9202. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  9203. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  9204. Failed writing message. Aborting connection.
  9205. System.InvalidOperationException: Writing is not allowed after writer was completed.
  9206. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  9207. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  9208. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  9209. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  9210. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  9211. Failed writing message. Aborting connection.
  9212. System.InvalidOperationException: Writing is not allowed after writer was completed.
  9213. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  9214. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  9215. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  9216. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  9217. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  9218. Failed writing message. Aborting connection.
  9219. System.InvalidOperationException: Writing is not allowed after writer was completed.
  9220. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  9221. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  9222. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  9223. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  9224. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  9225. Failed writing message. Aborting connection.
  9226. System.InvalidOperationException: Writing is not allowed after writer was completed.
  9227. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  9228. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  9229. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  9230. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  9231. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  9232. Failed writing message. Aborting connection.
  9233. System.InvalidOperationException: Writing is not allowed after writer was completed.
  9234. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  9235. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  9236. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  9237. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  9238. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  9239. Failed writing message. Aborting connection.
  9240. System.InvalidOperationException: Writing is not allowed after writer was completed.
  9241. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  9242. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  9243. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  9244. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  9245. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  9246. Failed writing message. Aborting connection.
  9247. System.InvalidOperationException: Writing is not allowed after writer was completed.
  9248. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  9249. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  9250. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  9251. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  9252. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  9253. Failed writing message. Aborting connection.
  9254. System.InvalidOperationException: Writing is not allowed after writer was completed.
  9255. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  9256. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  9257. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  9258. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  9259. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  9260. Failed writing message. Aborting connection.
  9261. System.InvalidOperationException: Writing is not allowed after writer was completed.
  9262. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  9263. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  9264. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  9265. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  9266. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  9267. Failed writing message. Aborting connection.
  9268. System.InvalidOperationException: Writing is not allowed after writer was completed.
  9269. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  9270. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  9271. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  9272. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  9273. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  9274. Failed writing message. Aborting connection.
  9275. System.InvalidOperationException: Writing is not allowed after writer was completed.
  9276. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  9277. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  9278. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  9279. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  9280. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  9281. Failed writing message. Aborting connection.
  9282. System.InvalidOperationException: Writing is not allowed after writer was completed.
  9283. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  9284. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  9285. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  9286. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  9287. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  9288. Failed writing message. Aborting connection.
  9289. System.InvalidOperationException: Writing is not allowed after writer was completed.
  9290. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  9291. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  9292. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  9293. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  9294. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  9295. Failed writing message. Aborting connection.
  9296. System.InvalidOperationException: Writing is not allowed after writer was completed.
  9297. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  9298. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  9299. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  9300. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  9301. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  9302. Failed writing message. Aborting connection.
  9303. System.InvalidOperationException: Writing is not allowed after writer was completed.
  9304. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  9305. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  9306. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  9307. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  9308. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  9309. Failed writing message. Aborting connection.
  9310. System.InvalidOperationException: Writing is not allowed after writer was completed.
  9311. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  9312. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  9313. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  9314. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  9315. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  9316. Failed writing message. Aborting connection.
  9317. System.InvalidOperationException: Writing is not allowed after writer was completed.
  9318. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  9319. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  9320. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  9321. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  9322. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  9323. Failed writing message. Aborting connection.
  9324. System.InvalidOperationException: Writing is not allowed after writer was completed.
  9325. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  9326. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  9327. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  9328. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  9329. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  9330. Failed writing message. Aborting connection.
  9331. System.InvalidOperationException: Writing is not allowed after writer was completed.
  9332. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  9333. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  9334. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  9335. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  9336. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  9337. Failed writing message. Aborting connection.
  9338. System.InvalidOperationException: Writing is not allowed after writer was completed.
  9339. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  9340. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  9341. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  9342. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  9343. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  9344. Failed writing message. Aborting connection.
  9345. System.InvalidOperationException: Writing is not allowed after writer was completed.
  9346. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  9347. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  9348. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  9349. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  9350. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  9351. Failed writing message. Aborting connection.
  9352. System.InvalidOperationException: Writing is not allowed after writer was completed.
  9353. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  9354. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  9355. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  9356. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  9357. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  9358. Failed writing message. Aborting connection.
  9359. System.InvalidOperationException: Writing is not allowed after writer was completed.
  9360. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  9361. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  9362. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  9363. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  9364. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  9365. Failed writing message. Aborting connection.
  9366. System.InvalidOperationException: Writing is not allowed after writer was completed.
  9367. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  9368. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  9369. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  9370. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  9371. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  9372. Failed writing message. Aborting connection.
  9373. System.InvalidOperationException: Writing is not allowed after writer was completed.
  9374. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  9375. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  9376. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  9377. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  9378. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  9379. Failed writing message. Aborting connection.
  9380. System.InvalidOperationException: Writing is not allowed after writer was completed.
  9381. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  9382. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  9383. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  9384. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  9385. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  9386. Failed writing message. Aborting connection.
  9387. System.InvalidOperationException: Writing is not allowed after writer was completed.
  9388. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  9389. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  9390. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  9391. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  9392. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  9393. Failed writing message. Aborting connection.
  9394. System.InvalidOperationException: Writing is not allowed after writer was completed.
  9395. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  9396. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  9397. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  9398. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  9399. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  9400. Failed writing message. Aborting connection.
  9401. System.InvalidOperationException: Writing is not allowed after writer was completed.
  9402. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  9403. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  9404. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  9405. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  9406. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  9407. Failed writing message. Aborting connection.
  9408. System.InvalidOperationException: Writing is not allowed after writer was completed.
  9409. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  9410. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  9411. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  9412. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  9413. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  9414. Failed writing message. Aborting connection.
  9415. System.InvalidOperationException: Writing is not allowed after writer was completed.
  9416. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  9417. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  9418. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  9419. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  9420. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  9421. Failed writing message. Aborting connection.
  9422. System.InvalidOperationException: Writing is not allowed after writer was completed.
  9423. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  9424. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  9425. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  9426. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  9427. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  9428. Failed writing message. Aborting connection.
  9429. System.InvalidOperationException: Writing is not allowed after writer was completed.
  9430. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  9431. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  9432. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  9433. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  9434. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  9435. Failed writing message. Aborting connection.
  9436. System.InvalidOperationException: Writing is not allowed after writer was completed.
  9437. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  9438. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  9439. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  9440. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  9441. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  9442. Failed writing message. Aborting connection.
  9443. System.InvalidOperationException: Writing is not allowed after writer was completed.
  9444. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  9445. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  9446. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  9447. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  9448. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  9449. Failed writing message. Aborting connection.
  9450. System.InvalidOperationException: Writing is not allowed after writer was completed.
  9451. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  9452. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  9453. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  9454. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  9455. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  9456. Failed writing message. Aborting connection.
  9457. System.InvalidOperationException: Writing is not allowed after writer was completed.
  9458. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  9459. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  9460. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  9461. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  9462. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  9463. Failed writing message. Aborting connection.
  9464. System.InvalidOperationException: Writing is not allowed after writer was completed.
  9465. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  9466. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  9467. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  9468. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  9469. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  9470. Failed writing message. Aborting connection.
  9471. System.InvalidOperationException: Writing is not allowed after writer was completed.
  9472. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  9473. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  9474. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  9475. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  9476. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  9477. Failed writing message. Aborting connection.
  9478. System.InvalidOperationException: Writing is not allowed after writer was completed.
  9479. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  9480. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  9481. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  9482. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  9483. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  9484. Failed writing message. Aborting connection.
  9485. System.InvalidOperationException: Writing is not allowed after writer was completed.
  9486. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  9487. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  9488. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  9489. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  9490. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  9491. Failed writing message. Aborting connection.
  9492. System.InvalidOperationException: Writing is not allowed after writer was completed.
  9493. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  9494. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  9495. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  9496. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  9497. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  9498. Failed writing message. Aborting connection.
  9499. System.InvalidOperationException: Writing is not allowed after writer was completed.
  9500. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  9501. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  9502. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  9503. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  9504. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  9505. Failed writing message. Aborting connection.
  9506. System.InvalidOperationException: Writing is not allowed after writer was completed.
  9507. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  9508. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  9509. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  9510. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  9511. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  9512. Failed writing message. Aborting connection.
  9513. System.InvalidOperationException: Writing is not allowed after writer was completed.
  9514. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  9515. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  9516. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  9517. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  9518. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  9519. Failed writing message. Aborting connection.
  9520. System.InvalidOperationException: Writing is not allowed after writer was completed.
  9521. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  9522. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  9523. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  9524. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  9525. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  9526. Failed writing message. Aborting connection.
  9527. System.InvalidOperationException: Writing is not allowed after writer was completed.
  9528. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  9529. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  9530. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  9531. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  9532. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  9533. Failed writing message. Aborting connection.
  9534. System.InvalidOperationException: Writing is not allowed after writer was completed.
  9535. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  9536. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  9537. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  9538. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  9539. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  9540. Failed writing message. Aborting connection.
  9541. System.InvalidOperationException: Writing is not allowed after writer was completed.
  9542. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  9543. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  9544. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  9545. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  9546. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  9547. Failed writing message. Aborting connection.
  9548. System.InvalidOperationException: Writing is not allowed after writer was completed.
  9549. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  9550. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  9551. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  9552. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  9553. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  9554. Failed writing message. Aborting connection.
  9555. System.InvalidOperationException: Writing is not allowed after writer was completed.
  9556. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  9557. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  9558. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  9559. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  9560. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  9561. Failed writing message. Aborting connection.
  9562. System.InvalidOperationException: Writing is not allowed after writer was completed.
  9563. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  9564. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  9565. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  9566. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  9567. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  9568. Failed writing message. Aborting connection.
  9569. System.InvalidOperationException: Writing is not allowed after writer was completed.
  9570. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  9571. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  9572. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  9573. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  9574. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  9575. Failed writing message. Aborting connection.
  9576. System.InvalidOperationException: Writing is not allowed after writer was completed.
  9577. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  9578. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  9579. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  9580. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  9581. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  9582. Failed writing message. Aborting connection.
  9583. System.InvalidOperationException: Writing is not allowed after writer was completed.
  9584. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  9585. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  9586. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  9587. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  9588. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  9589. Failed writing message. Aborting connection.
  9590. System.InvalidOperationException: Writing is not allowed after writer was completed.
  9591. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  9592. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  9593. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  9594. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  9595. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  9596. Failed writing message. Aborting connection.
  9597. System.InvalidOperationException: Writing is not allowed after writer was completed.
  9598. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  9599. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  9600. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  9601. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  9602. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  9603. Failed writing message. Aborting connection.
  9604. System.InvalidOperationException: Writing is not allowed after writer was completed.
  9605. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  9606. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  9607. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  9608. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  9609. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  9610. Failed writing message. Aborting connection.
  9611. System.InvalidOperationException: Writing is not allowed after writer was completed.
  9612. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  9613. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  9614. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  9615. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  9616. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  9617. Failed writing message. Aborting connection.
  9618. System.InvalidOperationException: Writing is not allowed after writer was completed.
  9619. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  9620. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  9621. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  9622. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  9623. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  9624. Failed writing message. Aborting connection.
  9625. System.InvalidOperationException: Writing is not allowed after writer was completed.
  9626. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  9627. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  9628. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  9629. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  9630. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  9631. Failed writing message. Aborting connection.
  9632. System.InvalidOperationException: Writing is not allowed after writer was completed.
  9633. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  9634. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  9635. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  9636. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  9637. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  9638. Failed writing message. Aborting connection.
  9639. System.InvalidOperationException: Writing is not allowed after writer was completed.
  9640. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  9641. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  9642. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  9643. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  9644. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  9645. Failed writing message. Aborting connection.
  9646. System.InvalidOperationException: Writing is not allowed after writer was completed.
  9647. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  9648. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  9649. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  9650. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  9651. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  9652. Failed writing message. Aborting connection.
  9653. System.InvalidOperationException: Writing is not allowed after writer was completed.
  9654. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  9655. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  9656. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  9657. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  9658. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  9659. Failed writing message. Aborting connection.
  9660. System.InvalidOperationException: Writing is not allowed after writer was completed.
  9661. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  9662. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  9663. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  9664. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  9665. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  9666. Failed writing message. Aborting connection.
  9667. System.InvalidOperationException: Writing is not allowed after writer was completed.
  9668. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  9669. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  9670. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  9671. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  9672. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  9673. Failed writing message. Aborting connection.
  9674. System.InvalidOperationException: Writing is not allowed after writer was completed.
  9675. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  9676. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  9677. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  9678. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  9679. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  9680. Failed writing message. Aborting connection.
  9681. System.InvalidOperationException: Writing is not allowed after writer was completed.
  9682. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  9683. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  9684. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  9685. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  9686. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  9687. Failed writing message. Aborting connection.
  9688. System.InvalidOperationException: Writing is not allowed after writer was completed.
  9689. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  9690. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  9691. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  9692. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  9693. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  9694. Failed writing message. Aborting connection.
  9695. System.InvalidOperationException: Writing is not allowed after writer was completed.
  9696. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  9697. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  9698. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  9699. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  9700. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  9701. Failed writing message. Aborting connection.
  9702. System.InvalidOperationException: Writing is not allowed after writer was completed.
  9703. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  9704. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  9705. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  9706. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  9707. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  9708. Failed writing message. Aborting connection.
  9709. System.InvalidOperationException: Writing is not allowed after writer was completed.
  9710. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  9711. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  9712. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  9713. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  9714. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  9715. Failed writing message. Aborting connection.
  9716. System.InvalidOperationException: Writing is not allowed after writer was completed.
  9717. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  9718. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  9719. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  9720. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  9721. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  9722. Failed writing message. Aborting connection.
  9723. System.InvalidOperationException: Writing is not allowed after writer was completed.
  9724. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  9725. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  9726. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  9727. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  9728. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  9729. Failed writing message. Aborting connection.
  9730. System.InvalidOperationException: Writing is not allowed after writer was completed.
  9731. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  9732. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  9733. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  9734. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  9735. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  9736. Failed writing message. Aborting connection.
  9737. System.InvalidOperationException: Writing is not allowed after writer was completed.
  9738. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  9739. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  9740. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  9741. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  9742. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  9743. Failed writing message. Aborting connection.
  9744. System.InvalidOperationException: Writing is not allowed after writer was completed.
  9745. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  9746. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  9747. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  9748. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  9749. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  9750. Failed writing message. Aborting connection.
  9751. System.InvalidOperationException: Writing is not allowed after writer was completed.
  9752. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  9753. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  9754. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  9755. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  9756. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  9757. Failed writing message. Aborting connection.
  9758. System.InvalidOperationException: Writing is not allowed after writer was completed.
  9759. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  9760. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  9761. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  9762. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  9763. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  9764. Failed writing message. Aborting connection.
  9765. System.InvalidOperationException: Writing is not allowed after writer was completed.
  9766. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  9767. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  9768. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  9769. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  9770. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  9771. Failed writing message. Aborting connection.
  9772. System.InvalidOperationException: Writing is not allowed after writer was completed.
  9773. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  9774. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  9775. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  9776. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  9777. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  9778. Failed writing message. Aborting connection.
  9779. System.InvalidOperationException: Writing is not allowed after writer was completed.
  9780. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  9781. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  9782. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  9783. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  9784. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  9785. Failed writing message. Aborting connection.
  9786. System.InvalidOperationException: Writing is not allowed after writer was completed.
  9787. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  9788. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  9789. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  9790. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  9791. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  9792. Failed writing message. Aborting connection.
  9793. System.InvalidOperationException: Writing is not allowed after writer was completed.
  9794. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  9795. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  9796. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  9797. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  9798. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  9799. Failed writing message. Aborting connection.
  9800. System.InvalidOperationException: Writing is not allowed after writer was completed.
  9801. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  9802. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  9803. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  9804. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  9805. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  9806. Failed writing message. Aborting connection.
  9807. System.InvalidOperationException: Writing is not allowed after writer was completed.
  9808. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  9809. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  9810. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  9811. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  9812. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  9813. Failed writing message. Aborting connection.
  9814. System.InvalidOperationException: Writing is not allowed after writer was completed.
  9815. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  9816. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  9817. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  9818. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  9819. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  9820. Failed writing message. Aborting connection.
  9821. System.InvalidOperationException: Writing is not allowed after writer was completed.
  9822. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  9823. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  9824. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  9825. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  9826. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  9827. Failed writing message. Aborting connection.
  9828. System.InvalidOperationException: Writing is not allowed after writer was completed.
  9829. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  9830. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  9831. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  9832. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  9833. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  9834. Failed writing message. Aborting connection.
  9835. System.InvalidOperationException: Writing is not allowed after writer was completed.
  9836. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  9837. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  9838. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  9839. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  9840. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  9841. Failed writing message. Aborting connection.
  9842. System.InvalidOperationException: Writing is not allowed after writer was completed.
  9843. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  9844. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  9845. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  9846. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  9847. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  9848. Failed writing message. Aborting connection.
  9849. System.InvalidOperationException: Writing is not allowed after writer was completed.
  9850. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  9851. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  9852. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  9853. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  9854. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  9855. Failed writing message. Aborting connection.
  9856. System.InvalidOperationException: Writing is not allowed after writer was completed.
  9857. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  9858. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  9859. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  9860. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  9861. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  9862. Failed writing message. Aborting connection.
  9863. System.InvalidOperationException: Writing is not allowed after writer was completed.
  9864. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  9865. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  9866. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  9867. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  9868. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  9869. Failed writing message. Aborting connection.
  9870. System.InvalidOperationException: Writing is not allowed after writer was completed.
  9871. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  9872. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  9873. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  9874. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  9875. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  9876. Failed writing message. Aborting connection.
  9877. System.InvalidOperationException: Writing is not allowed after writer was completed.
  9878. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  9879. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  9880. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  9881. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  9882. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  9883. Failed writing message. Aborting connection.
  9884. System.InvalidOperationException: Writing is not allowed after writer was completed.
  9885. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  9886. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  9887. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  9888. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  9889. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  9890. Failed writing message. Aborting connection.
  9891. System.InvalidOperationException: Writing is not allowed after writer was completed.
  9892. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  9893. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  9894. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  9895. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  9896. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  9897. Failed writing message. Aborting connection.
  9898. System.InvalidOperationException: Writing is not allowed after writer was completed.
  9899. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  9900. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  9901. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  9902. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  9903. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  9904. Failed writing message. Aborting connection.
  9905. System.InvalidOperationException: Writing is not allowed after writer was completed.
  9906. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  9907. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  9908. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  9909. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  9910. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  9911. Failed writing message. Aborting connection.
  9912. System.InvalidOperationException: Writing is not allowed after writer was completed.
  9913. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  9914. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  9915. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  9916. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  9917. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  9918. Failed writing message. Aborting connection.
  9919. System.InvalidOperationException: Writing is not allowed after writer was completed.
  9920. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  9921. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  9922. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  9923. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  9924. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  9925. Failed writing message. Aborting connection.
  9926. System.InvalidOperationException: Writing is not allowed after writer was completed.
  9927. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  9928. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  9929. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  9930. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  9931. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  9932. Failed writing message. Aborting connection.
  9933. System.InvalidOperationException: Writing is not allowed after writer was completed.
  9934. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  9935. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  9936. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  9937. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  9938. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  9939. Failed writing message. Aborting connection.
  9940. System.InvalidOperationException: Writing is not allowed after writer was completed.
  9941. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  9942. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  9943. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  9944. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  9945. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  9946. Failed writing message. Aborting connection.
  9947. System.InvalidOperationException: Writing is not allowed after writer was completed.
  9948. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  9949. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  9950. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  9951. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  9952. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  9953. Failed writing message. Aborting connection.
  9954. System.InvalidOperationException: Writing is not allowed after writer was completed.
  9955. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  9956. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  9957. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  9958. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  9959. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  9960. Failed writing message. Aborting connection.
  9961. System.InvalidOperationException: Writing is not allowed after writer was completed.
  9962. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  9963. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  9964. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  9965. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  9966. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  9967. Failed writing message. Aborting connection.
  9968. System.InvalidOperationException: Writing is not allowed after writer was completed.
  9969. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  9970. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  9971. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  9972. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  9973. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  9974. Failed writing message. Aborting connection.
  9975. System.InvalidOperationException: Writing is not allowed after writer was completed.
  9976. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  9977. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  9978. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  9979. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  9980. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  9981. Failed writing message. Aborting connection.
  9982. System.InvalidOperationException: Writing is not allowed after writer was completed.
  9983. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  9984. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  9985. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  9986. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  9987. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  9988. Failed writing message. Aborting connection.
  9989. System.InvalidOperationException: Writing is not allowed after writer was completed.
  9990. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  9991. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  9992. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  9993. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  9994. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  9995. Failed writing message. Aborting connection.
  9996. System.InvalidOperationException: Writing is not allowed after writer was completed.
  9997. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  9998. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  9999. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  10000. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  10001. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  10002. Failed writing message. Aborting connection.
  10003. System.InvalidOperationException: Writing is not allowed after writer was completed.
  10004. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  10005. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  10006. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  10007. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  10008. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  10009. Failed writing message. Aborting connection.
  10010. System.InvalidOperationException: Writing is not allowed after writer was completed.
  10011. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  10012. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  10013. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  10014. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  10015. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  10016. Failed writing message. Aborting connection.
  10017. System.InvalidOperationException: Writing is not allowed after writer was completed.
  10018. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  10019. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  10020. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  10021. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  10022. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  10023. Failed writing message. Aborting connection.
  10024. System.InvalidOperationException: Writing is not allowed after writer was completed.
  10025. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  10026. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  10027. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  10028. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  10029. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  10030. Failed writing message. Aborting connection.
  10031. System.InvalidOperationException: Writing is not allowed after writer was completed.
  10032. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  10033. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  10034. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  10035. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  10036. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  10037. Failed writing message. Aborting connection.
  10038. System.InvalidOperationException: Writing is not allowed after writer was completed.
  10039. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  10040. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  10041. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  10042. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  10043. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  10044. Failed writing message. Aborting connection.
  10045. System.InvalidOperationException: Writing is not allowed after writer was completed.
  10046. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  10047. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  10048. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  10049. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  10050. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  10051. Failed writing message. Aborting connection.
  10052. System.InvalidOperationException: Writing is not allowed after writer was completed.
  10053. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  10054. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  10055. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  10056. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  10057. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  10058. Failed writing message. Aborting connection.
  10059. System.InvalidOperationException: Writing is not allowed after writer was completed.
  10060. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  10061. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  10062. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  10063. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  10064. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  10065. Failed writing message. Aborting connection.
  10066. System.InvalidOperationException: Writing is not allowed after writer was completed.
  10067. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  10068. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  10069. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  10070. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  10071. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  10072. Failed writing message. Aborting connection.
  10073. System.InvalidOperationException: Writing is not allowed after writer was completed.
  10074. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  10075. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  10076. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  10077. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  10078. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  10079. Failed writing message. Aborting connection.
  10080. System.InvalidOperationException: Writing is not allowed after writer was completed.
  10081. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  10082. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  10083. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  10084. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  10085. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  10086. Failed writing message. Aborting connection.
  10087. System.InvalidOperationException: Writing is not allowed after writer was completed.
  10088. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  10089. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  10090. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  10091. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  10092. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  10093. Failed writing message. Aborting connection.
  10094. System.InvalidOperationException: Writing is not allowed after writer was completed.
  10095. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  10096. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  10097. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  10098. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  10099. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  10100. Failed writing message. Aborting connection.
  10101. System.InvalidOperationException: Writing is not allowed after writer was completed.
  10102. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  10103. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  10104. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  10105. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  10106. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  10107. Failed writing message. Aborting connection.
  10108. System.InvalidOperationException: Writing is not allowed after writer was completed.
  10109. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  10110. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  10111. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  10112. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  10113. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  10114. Failed writing message. Aborting connection.
  10115. System.InvalidOperationException: Writing is not allowed after writer was completed.
  10116. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  10117. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  10118. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  10119. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  10120. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  10121. Failed writing message. Aborting connection.
  10122. System.InvalidOperationException: Writing is not allowed after writer was completed.
  10123. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  10124. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  10125. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  10126. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  10127. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  10128. Failed writing message. Aborting connection.
  10129. System.InvalidOperationException: Writing is not allowed after writer was completed.
  10130. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  10131. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  10132. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  10133. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  10134. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  10135. Failed writing message. Aborting connection.
  10136. System.InvalidOperationException: Writing is not allowed after writer was completed.
  10137. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  10138. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  10139. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  10140. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  10141. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  10142. Failed writing message. Aborting connection.
  10143. System.InvalidOperationException: Writing is not allowed after writer was completed.
  10144. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  10145. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  10146. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  10147. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  10148. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  10149. Failed writing message. Aborting connection.
  10150. System.InvalidOperationException: Writing is not allowed after writer was completed.
  10151. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  10152. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  10153. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  10154. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  10155. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  10156. Failed writing message. Aborting connection.
  10157. System.InvalidOperationException: Writing is not allowed after writer was completed.
  10158. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  10159. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  10160. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  10161. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  10162. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  10163. Failed writing message. Aborting connection.
  10164. System.InvalidOperationException: Writing is not allowed after writer was completed.
  10165. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  10166. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  10167. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  10168. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  10169. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  10170. Failed writing message. Aborting connection.
  10171. System.InvalidOperationException: Writing is not allowed after writer was completed.
  10172. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  10173. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  10174. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  10175. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  10176. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  10177. Failed writing message. Aborting connection.
  10178. System.InvalidOperationException: Writing is not allowed after writer was completed.
  10179. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  10180. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  10181. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  10182. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  10183. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  10184. Failed writing message. Aborting connection.
  10185. System.InvalidOperationException: Writing is not allowed after writer was completed.
  10186. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  10187. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  10188. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  10189. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  10190. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  10191. Failed writing message. Aborting connection.
  10192. System.InvalidOperationException: Writing is not allowed after writer was completed.
  10193. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  10194. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  10195. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  10196. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  10197. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  10198. Failed writing message. Aborting connection.
  10199. System.InvalidOperationException: Writing is not allowed after writer was completed.
  10200. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  10201. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  10202. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  10203. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  10204. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  10205. Failed writing message. Aborting connection.
  10206. System.InvalidOperationException: Writing is not allowed after writer was completed.
  10207. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  10208. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  10209. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  10210. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  10211. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  10212. Failed writing message. Aborting connection.
  10213. System.InvalidOperationException: Writing is not allowed after writer was completed.
  10214. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  10215. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  10216. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  10217. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  10218. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  10219. Failed writing message. Aborting connection.
  10220. System.InvalidOperationException: Writing is not allowed after writer was completed.
  10221. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  10222. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  10223. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  10224. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  10225. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  10226. Failed writing message. Aborting connection.
  10227. System.InvalidOperationException: Writing is not allowed after writer was completed.
  10228. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  10229. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  10230. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  10231. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  10232. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  10233. Failed writing message. Aborting connection.
  10234. System.InvalidOperationException: Writing is not allowed after writer was completed.
  10235. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  10236. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  10237. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  10238. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  10239. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  10240. Failed writing message. Aborting connection.
  10241. System.InvalidOperationException: Writing is not allowed after writer was completed.
  10242. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  10243. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  10244. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  10245. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  10246. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  10247. Failed writing message. Aborting connection.
  10248. System.InvalidOperationException: Writing is not allowed after writer was completed.
  10249. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  10250. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  10251. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  10252. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  10253. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  10254. Failed writing message. Aborting connection.
  10255. System.InvalidOperationException: Writing is not allowed after writer was completed.
  10256. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  10257. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  10258. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  10259. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  10260. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  10261. Failed writing message. Aborting connection.
  10262. System.InvalidOperationException: Writing is not allowed after writer was completed.
  10263. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  10264. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  10265. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  10266. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  10267. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  10268. Failed writing message. Aborting connection.
  10269. System.InvalidOperationException: Writing is not allowed after writer was completed.
  10270. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  10271. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  10272. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  10273. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  10274. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  10275. Failed writing message. Aborting connection.
  10276. System.InvalidOperationException: Writing is not allowed after writer was completed.
  10277. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  10278. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  10279. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  10280. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  10281. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  10282. Failed writing message. Aborting connection.
  10283. System.InvalidOperationException: Writing is not allowed after writer was completed.
  10284. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  10285. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  10286. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  10287. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  10288. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  10289. Failed writing message. Aborting connection.
  10290. System.InvalidOperationException: Writing is not allowed after writer was completed.
  10291. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  10292. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  10293. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  10294. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  10295. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  10296. Failed writing message. Aborting connection.
  10297. System.InvalidOperationException: Writing is not allowed after writer was completed.
  10298. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  10299. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  10300. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  10301. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  10302. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  10303. Failed writing message. Aborting connection.
  10304. System.InvalidOperationException: Writing is not allowed after writer was completed.
  10305. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  10306. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  10307. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  10308. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  10309. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  10310. Failed writing message. Aborting connection.
  10311. System.InvalidOperationException: Writing is not allowed after writer was completed.
  10312. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  10313. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  10314. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  10315. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  10316. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  10317. Failed writing message. Aborting connection.
  10318. System.InvalidOperationException: Writing is not allowed after writer was completed.
  10319. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  10320. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  10321. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  10322. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  10323. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  10324. Failed writing message. Aborting connection.
  10325. System.InvalidOperationException: Writing is not allowed after writer was completed.
  10326. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  10327. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  10328. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  10329. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  10330. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  10331. Failed writing message. Aborting connection.
  10332. System.InvalidOperationException: Writing is not allowed after writer was completed.
  10333. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  10334. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  10335. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  10336. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  10337. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  10338. Failed writing message. Aborting connection.
  10339. System.InvalidOperationException: Writing is not allowed after writer was completed.
  10340. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  10341. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  10342. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  10343. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  10344. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  10345. Failed writing message. Aborting connection.
  10346. System.InvalidOperationException: Writing is not allowed after writer was completed.
  10347. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  10348. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  10349. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  10350. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  10351. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  10352. Failed writing message. Aborting connection.
  10353. System.InvalidOperationException: Writing is not allowed after writer was completed.
  10354. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  10355. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  10356. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  10357. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  10358. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  10359. Failed writing message. Aborting connection.
  10360. System.InvalidOperationException: Writing is not allowed after writer was completed.
  10361. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  10362. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  10363. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  10364. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  10365. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  10366. Failed writing message. Aborting connection.
  10367. System.InvalidOperationException: Writing is not allowed after writer was completed.
  10368. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  10369. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  10370. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  10371. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  10372. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  10373. Failed writing message. Aborting connection.
  10374. System.InvalidOperationException: Writing is not allowed after writer was completed.
  10375. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  10376. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  10377. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  10378. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  10379. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  10380. Failed writing message. Aborting connection.
  10381. System.InvalidOperationException: Writing is not allowed after writer was completed.
  10382. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  10383. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  10384. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  10385. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  10386. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  10387. Failed writing message. Aborting connection.
  10388. System.InvalidOperationException: Writing is not allowed after writer was completed.
  10389. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  10390. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  10391. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  10392. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  10393. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  10394. Failed writing message. Aborting connection.
  10395. System.InvalidOperationException: Writing is not allowed after writer was completed.
  10396. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  10397. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  10398. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  10399. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  10400. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  10401. Failed writing message. Aborting connection.
  10402. System.InvalidOperationException: Writing is not allowed after writer was completed.
  10403. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  10404. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  10405. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  10406. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  10407. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  10408. Failed writing message. Aborting connection.
  10409. System.InvalidOperationException: Writing is not allowed after writer was completed.
  10410. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  10411. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  10412. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  10413. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  10414. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  10415. Failed writing message. Aborting connection.
  10416. System.InvalidOperationException: Writing is not allowed after writer was completed.
  10417. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  10418. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  10419. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  10420. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  10421. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  10422. Failed writing message. Aborting connection.
  10423. System.InvalidOperationException: Writing is not allowed after writer was completed.
  10424. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  10425. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  10426. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  10427. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  10428. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  10429. Failed writing message. Aborting connection.
  10430. System.InvalidOperationException: Writing is not allowed after writer was completed.
  10431. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  10432. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  10433. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  10434. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  10435. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  10436. Failed writing message. Aborting connection.
  10437. System.InvalidOperationException: Writing is not allowed after writer was completed.
  10438. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  10439. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  10440. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  10441. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  10442. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  10443. Failed writing message. Aborting connection.
  10444. System.InvalidOperationException: Writing is not allowed after writer was completed.
  10445. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  10446. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  10447. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  10448. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  10449. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  10450. Failed writing message. Aborting connection.
  10451. System.InvalidOperationException: Writing is not allowed after writer was completed.
  10452. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  10453. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  10454. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  10455. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  10456. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  10457. Failed writing message. Aborting connection.
  10458. System.InvalidOperationException: Writing is not allowed after writer was completed.
  10459. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  10460. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  10461. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  10462. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  10463. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  10464. Failed writing message. Aborting connection.
  10465. System.InvalidOperationException: Writing is not allowed after writer was completed.
  10466. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  10467. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  10468. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  10469. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  10470. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  10471. Failed writing message. Aborting connection.
  10472. System.InvalidOperationException: Writing is not allowed after writer was completed.
  10473. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  10474. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  10475. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  10476. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  10477. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  10478. Failed writing message. Aborting connection.
  10479. System.InvalidOperationException: Writing is not allowed after writer was completed.
  10480. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  10481. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  10482. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  10483. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  10484. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  10485. Failed writing message. Aborting connection.
  10486. System.InvalidOperationException: Writing is not allowed after writer was completed.
  10487. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  10488. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  10489. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  10490. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  10491. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  10492. Failed writing message. Aborting connection.
  10493. System.InvalidOperationException: Writing is not allowed after writer was completed.
  10494. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  10495. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  10496. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  10497. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  10498. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  10499. Failed writing message. Aborting connection.
  10500. System.InvalidOperationException: Writing is not allowed after writer was completed.
  10501. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  10502. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  10503. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  10504. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  10505. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  10506. Failed writing message. Aborting connection.
  10507. System.InvalidOperationException: Writing is not allowed after writer was completed.
  10508. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  10509. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  10510. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  10511. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  10512. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  10513. Failed writing message. Aborting connection.
  10514. System.InvalidOperationException: Writing is not allowed after writer was completed.
  10515. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  10516. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  10517. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  10518. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  10519. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  10520. Failed writing message. Aborting connection.
  10521. System.InvalidOperationException: Writing is not allowed after writer was completed.
  10522. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  10523. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  10524. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  10525. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  10526. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  10527. Failed writing message. Aborting connection.
  10528. System.InvalidOperationException: Writing is not allowed after writer was completed.
  10529. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  10530. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  10531. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  10532. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  10533. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  10534. Failed writing message. Aborting connection.
  10535. System.InvalidOperationException: Writing is not allowed after writer was completed.
  10536. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  10537. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  10538. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  10539. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  10540. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  10541. Failed writing message. Aborting connection.
  10542. System.InvalidOperationException: Writing is not allowed after writer was completed.
  10543. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  10544. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  10545. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  10546. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  10547. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  10548. Failed writing message. Aborting connection.
  10549. System.InvalidOperationException: Writing is not allowed after writer was completed.
  10550. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  10551. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  10552. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  10553. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  10554. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  10555. Failed writing message. Aborting connection.
  10556. System.InvalidOperationException: Writing is not allowed after writer was completed.
  10557. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  10558. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  10559. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  10560. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  10561. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  10562. Failed writing message. Aborting connection.
  10563. System.InvalidOperationException: Writing is not allowed after writer was completed.
  10564. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  10565. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  10566. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  10567. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  10568. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  10569. Failed writing message. Aborting connection.
  10570. System.InvalidOperationException: Writing is not allowed after writer was completed.
  10571. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  10572. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  10573. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  10574. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  10575. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  10576. Failed writing message. Aborting connection.
  10577. System.InvalidOperationException: Writing is not allowed after writer was completed.
  10578. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  10579. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  10580. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  10581. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  10582. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  10583. Failed writing message. Aborting connection.
  10584. System.InvalidOperationException: Writing is not allowed after writer was completed.
  10585. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  10586. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  10587. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  10588. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  10589. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  10590. Failed writing message. Aborting connection.
  10591. System.InvalidOperationException: Writing is not allowed after writer was completed.
  10592. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  10593. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  10594. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  10595. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  10596. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  10597. Failed writing message. Aborting connection.
  10598. System.InvalidOperationException: Writing is not allowed after writer was completed.
  10599. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  10600. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  10601. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  10602. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  10603. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  10604. Failed writing message. Aborting connection.
  10605. System.InvalidOperationException: Writing is not allowed after writer was completed.
  10606. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  10607. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  10608. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  10609. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  10610. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  10611. Failed writing message. Aborting connection.
  10612. System.InvalidOperationException: Writing is not allowed after writer was completed.
  10613. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  10614. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  10615. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  10616. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  10617. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  10618. Failed writing message. Aborting connection.
  10619. System.InvalidOperationException: Writing is not allowed after writer was completed.
  10620. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  10621. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  10622. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  10623. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  10624. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  10625. Failed writing message. Aborting connection.
  10626. System.InvalidOperationException: Writing is not allowed after writer was completed.
  10627. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  10628. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  10629. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  10630. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  10631. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  10632. Failed writing message. Aborting connection.
  10633. System.InvalidOperationException: Writing is not allowed after writer was completed.
  10634. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  10635. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  10636. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  10637. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  10638. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  10639. Failed writing message. Aborting connection.
  10640. System.InvalidOperationException: Writing is not allowed after writer was completed.
  10641. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  10642. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  10643. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  10644. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  10645. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  10646. Failed writing message. Aborting connection.
  10647. System.InvalidOperationException: Writing is not allowed after writer was completed.
  10648. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  10649. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  10650. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  10651. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  10652. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  10653. Failed writing message. Aborting connection.
  10654. System.InvalidOperationException: Writing is not allowed after writer was completed.
  10655. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  10656. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  10657. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  10658. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  10659. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  10660. Failed writing message. Aborting connection.
  10661. System.InvalidOperationException: Writing is not allowed after writer was completed.
  10662. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  10663. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  10664. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  10665. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  10666. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  10667. Failed writing message. Aborting connection.
  10668. System.InvalidOperationException: Writing is not allowed after writer was completed.
  10669. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  10670. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  10671. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  10672. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  10673. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  10674. Failed writing message. Aborting connection.
  10675. System.InvalidOperationException: Writing is not allowed after writer was completed.
  10676. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  10677. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  10678. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  10679. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  10680. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  10681. Failed writing message. Aborting connection.
  10682. System.InvalidOperationException: Writing is not allowed after writer was completed.
  10683. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  10684. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  10685. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  10686. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  10687. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  10688. Failed writing message. Aborting connection.
  10689. System.InvalidOperationException: Writing is not allowed after writer was completed.
  10690. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  10691. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  10692. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  10693. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  10694. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  10695. Failed writing message. Aborting connection.
  10696. System.InvalidOperationException: Writing is not allowed after writer was completed.
  10697. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  10698. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  10699. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  10700. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  10701. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  10702. Failed writing message. Aborting connection.
  10703. System.InvalidOperationException: Writing is not allowed after writer was completed.
  10704. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  10705. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  10706. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  10707. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  10708. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  10709. Failed writing message. Aborting connection.
  10710. System.InvalidOperationException: Writing is not allowed after writer was completed.
  10711. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  10712. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  10713. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  10714. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  10715. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  10716. Failed writing message. Aborting connection.
  10717. System.InvalidOperationException: Writing is not allowed after writer was completed.
  10718. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  10719. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  10720. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  10721. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  10722. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  10723. Failed writing message. Aborting connection.
  10724. System.InvalidOperationException: Writing is not allowed after writer was completed.
  10725. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  10726. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  10727. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  10728. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  10729. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  10730. Failed writing message. Aborting connection.
  10731. System.InvalidOperationException: Writing is not allowed after writer was completed.
  10732. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  10733. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  10734. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  10735. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  10736. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  10737. Failed writing message. Aborting connection.
  10738. System.InvalidOperationException: Writing is not allowed after writer was completed.
  10739. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  10740. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  10741. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  10742. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  10743. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  10744. Failed writing message. Aborting connection.
  10745. System.InvalidOperationException: Writing is not allowed after writer was completed.
  10746. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  10747. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  10748. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  10749. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  10750. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  10751. Failed writing message. Aborting connection.
  10752. System.InvalidOperationException: Writing is not allowed after writer was completed.
  10753. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  10754. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  10755. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  10756. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  10757. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  10758. Failed writing message. Aborting connection.
  10759. System.InvalidOperationException: Writing is not allowed after writer was completed.
  10760. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  10761. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  10762. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  10763. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  10764. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  10765. Failed writing message. Aborting connection.
  10766. System.InvalidOperationException: Writing is not allowed after writer was completed.
  10767. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  10768. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  10769. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  10770. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  10771. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  10772. Failed writing message. Aborting connection.
  10773. System.InvalidOperationException: Writing is not allowed after writer was completed.
  10774. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  10775. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  10776. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  10777. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  10778. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  10779. Failed writing message. Aborting connection.
  10780. System.InvalidOperationException: Writing is not allowed after writer was completed.
  10781. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  10782. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  10783. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  10784. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  10785. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  10786. Failed writing message. Aborting connection.
  10787. System.InvalidOperationException: Writing is not allowed after writer was completed.
  10788. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  10789. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  10790. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  10791. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  10792. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  10793. Failed writing message. Aborting connection.
  10794. System.InvalidOperationException: Writing is not allowed after writer was completed.
  10795. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  10796. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  10797. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  10798. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  10799. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  10800. Failed writing message. Aborting connection.
  10801. System.InvalidOperationException: Writing is not allowed after writer was completed.
  10802. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  10803. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  10804. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  10805. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  10806. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  10807. Failed writing message. Aborting connection.
  10808. System.InvalidOperationException: Writing is not allowed after writer was completed.
  10809. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  10810. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  10811. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  10812. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  10813. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  10814. Failed writing message. Aborting connection.
  10815. System.InvalidOperationException: Writing is not allowed after writer was completed.
  10816. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  10817. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  10818. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  10819. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  10820. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  10821. Failed writing message. Aborting connection.
  10822. System.InvalidOperationException: Writing is not allowed after writer was completed.
  10823. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  10824. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  10825. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  10826. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  10827. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  10828. Failed writing message. Aborting connection.
  10829. System.InvalidOperationException: Writing is not allowed after writer was completed.
  10830. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  10831. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  10832. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  10833. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  10834. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  10835. Failed writing message. Aborting connection.
  10836. System.InvalidOperationException: Writing is not allowed after writer was completed.
  10837. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  10838. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  10839. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  10840. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  10841. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  10842. Failed writing message. Aborting connection.
  10843. System.InvalidOperationException: Writing is not allowed after writer was completed.
  10844. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  10845. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  10846. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  10847. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  10848. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  10849. Failed writing message. Aborting connection.
  10850. System.InvalidOperationException: Writing is not allowed after writer was completed.
  10851. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  10852. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  10853. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  10854. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  10855. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  10856. Failed writing message. Aborting connection.
  10857. System.InvalidOperationException: Writing is not allowed after writer was completed.
  10858. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  10859. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  10860. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  10861. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  10862. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  10863. Failed writing message. Aborting connection.
  10864. System.InvalidOperationException: Writing is not allowed after writer was completed.
  10865. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  10866. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  10867. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  10868. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  10869. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  10870. Failed writing message. Aborting connection.
  10871. System.InvalidOperationException: Writing is not allowed after writer was completed.
  10872. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  10873. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  10874. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  10875. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  10876. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  10877. Failed writing message. Aborting connection.
  10878. System.InvalidOperationException: Writing is not allowed after writer was completed.
  10879. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  10880. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  10881. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  10882. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  10883. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  10884. Failed writing message. Aborting connection.
  10885. System.InvalidOperationException: Writing is not allowed after writer was completed.
  10886. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  10887. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  10888. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  10889. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  10890. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  10891. Failed writing message. Aborting connection.
  10892. System.InvalidOperationException: Writing is not allowed after writer was completed.
  10893. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  10894. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  10895. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  10896. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  10897. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  10898. Failed writing message. Aborting connection.
  10899. System.InvalidOperationException: Writing is not allowed after writer was completed.
  10900. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  10901. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  10902. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  10903. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  10904. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  10905. Failed writing message. Aborting connection.
  10906. System.InvalidOperationException: Writing is not allowed after writer was completed.
  10907. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  10908. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  10909. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  10910. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  10911. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  10912. Failed writing message. Aborting connection.
  10913. System.InvalidOperationException: Writing is not allowed after writer was completed.
  10914. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  10915. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  10916. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  10917. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  10918. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  10919. Failed writing message. Aborting connection.
  10920. System.InvalidOperationException: Writing is not allowed after writer was completed.
  10921. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  10922. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  10923. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  10924. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  10925. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  10926. Failed writing message. Aborting connection.
  10927. System.InvalidOperationException: Writing is not allowed after writer was completed.
  10928. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  10929. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  10930. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  10931. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  10932. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  10933. Failed writing message. Aborting connection.
  10934. System.InvalidOperationException: Writing is not allowed after writer was completed.
  10935. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  10936. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  10937. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  10938. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  10939. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  10940. Failed writing message. Aborting connection.
  10941. System.InvalidOperationException: Writing is not allowed after writer was completed.
  10942. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  10943. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  10944. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  10945. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  10946. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  10947. Failed writing message. Aborting connection.
  10948. System.InvalidOperationException: Writing is not allowed after writer was completed.
  10949. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  10950. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  10951. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  10952. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  10953. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  10954. Failed writing message. Aborting connection.
  10955. System.InvalidOperationException: Writing is not allowed after writer was completed.
  10956. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  10957. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  10958. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  10959. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  10960. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  10961. Failed writing message. Aborting connection.
  10962. System.InvalidOperationException: Writing is not allowed after writer was completed.
  10963. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  10964. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  10965. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  10966. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  10967. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  10968. Failed writing message. Aborting connection.
  10969. System.InvalidOperationException: Writing is not allowed after writer was completed.
  10970. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  10971. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  10972. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  10973. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  10974. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  10975. Failed writing message. Aborting connection.
  10976. System.InvalidOperationException: Writing is not allowed after writer was completed.
  10977. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  10978. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  10979. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  10980. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  10981. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  10982. Failed writing message. Aborting connection.
  10983. System.InvalidOperationException: Writing is not allowed after writer was completed.
  10984. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  10985. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  10986. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  10987. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  10988. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  10989. Failed writing message. Aborting connection.
  10990. System.InvalidOperationException: Writing is not allowed after writer was completed.
  10991. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  10992. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  10993. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  10994. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  10995. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  10996. Failed writing message. Aborting connection.
  10997. System.InvalidOperationException: Writing is not allowed after writer was completed.
  10998. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  10999. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  11000. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  11001. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  11002. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  11003. Failed writing message. Aborting connection.
  11004. System.InvalidOperationException: Writing is not allowed after writer was completed.
  11005. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  11006. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  11007. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  11008. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  11009. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  11010. Failed writing message. Aborting connection.
  11011. System.InvalidOperationException: Writing is not allowed after writer was completed.
  11012. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  11013. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  11014. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  11015. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  11016. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  11017. Failed writing message. Aborting connection.
  11018. System.InvalidOperationException: Writing is not allowed after writer was completed.
  11019. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  11020. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  11021. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  11022. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  11023. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  11024. Failed writing message. Aborting connection.
  11025. System.InvalidOperationException: Writing is not allowed after writer was completed.
  11026. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  11027. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  11028. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  11029. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  11030. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  11031. Failed writing message. Aborting connection.
  11032. System.InvalidOperationException: Writing is not allowed after writer was completed.
  11033. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  11034. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  11035. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  11036. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  11037. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  11038. Failed writing message. Aborting connection.
  11039. System.InvalidOperationException: Writing is not allowed after writer was completed.
  11040. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  11041. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  11042. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  11043. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  11044. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  11045. Failed writing message. Aborting connection.
  11046. System.InvalidOperationException: Writing is not allowed after writer was completed.
  11047. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  11048. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  11049. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  11050. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  11051. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  11052. Failed writing message. Aborting connection.
  11053. System.InvalidOperationException: Writing is not allowed after writer was completed.
  11054. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  11055. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  11056. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  11057. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  11058. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  11059. Failed writing message. Aborting connection.
  11060. System.InvalidOperationException: Writing is not allowed after writer was completed.
  11061. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  11062. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  11063. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  11064. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  11065. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  11066. Failed writing message. Aborting connection.
  11067. System.InvalidOperationException: Writing is not allowed after writer was completed.
  11068. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  11069. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  11070. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  11071. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  11072. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  11073. Failed writing message. Aborting connection.
  11074. System.InvalidOperationException: Writing is not allowed after writer was completed.
  11075. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  11076. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  11077. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  11078. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  11079. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  11080. Failed writing message. Aborting connection.
  11081. System.InvalidOperationException: Writing is not allowed after writer was completed.
  11082. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  11083. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  11084. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  11085. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  11086. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  11087. Failed writing message. Aborting connection.
  11088. System.InvalidOperationException: Writing is not allowed after writer was completed.
  11089. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  11090. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  11091. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  11092. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  11093. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  11094. Failed writing message. Aborting connection.
  11095. System.InvalidOperationException: Writing is not allowed after writer was completed.
  11096. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  11097. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  11098. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  11099. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  11100. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  11101. Failed writing message. Aborting connection.
  11102. System.InvalidOperationException: Writing is not allowed after writer was completed.
  11103. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  11104. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  11105. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  11106. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  11107. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  11108. Failed writing message. Aborting connection.
  11109. System.InvalidOperationException: Writing is not allowed after writer was completed.
  11110. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  11111. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  11112. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  11113. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  11114. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  11115. Failed writing message. Aborting connection.
  11116. System.InvalidOperationException: Writing is not allowed after writer was completed.
  11117. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  11118. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  11119. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  11120. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  11121. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  11122. Failed writing message. Aborting connection.
  11123. System.InvalidOperationException: Writing is not allowed after writer was completed.
  11124. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  11125. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  11126. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  11127. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  11128. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  11129. Failed writing message. Aborting connection.
  11130. System.InvalidOperationException: Writing is not allowed after writer was completed.
  11131. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  11132. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  11133. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  11134. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  11135. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  11136. Failed writing message. Aborting connection.
  11137. System.InvalidOperationException: Writing is not allowed after writer was completed.
  11138. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  11139. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  11140. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  11141. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  11142. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  11143. Failed writing message. Aborting connection.
  11144. System.InvalidOperationException: Writing is not allowed after writer was completed.
  11145. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  11146. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  11147. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  11148. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  11149. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  11150. Failed writing message. Aborting connection.
  11151. System.InvalidOperationException: Writing is not allowed after writer was completed.
  11152. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  11153. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  11154. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  11155. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  11156. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  11157. Failed writing message. Aborting connection.
  11158. System.InvalidOperationException: Writing is not allowed after writer was completed.
  11159. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  11160. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  11161. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  11162. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  11163. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  11164. Failed writing message. Aborting connection.
  11165. System.InvalidOperationException: Writing is not allowed after writer was completed.
  11166. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  11167. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  11168. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  11169. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  11170. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  11171. Failed writing message. Aborting connection.
  11172. System.InvalidOperationException: Writing is not allowed after writer was completed.
  11173. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  11174. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  11175. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  11176. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  11177. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  11178. Failed writing message. Aborting connection.
  11179. System.InvalidOperationException: Writing is not allowed after writer was completed.
  11180. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  11181. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  11182. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  11183. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  11184. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  11185. Failed writing message. Aborting connection.
  11186. System.InvalidOperationException: Writing is not allowed after writer was completed.
  11187. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  11188. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  11189. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  11190. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  11191. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  11192. Failed writing message. Aborting connection.
  11193. System.InvalidOperationException: Writing is not allowed after writer was completed.
  11194. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  11195. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  11196. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  11197. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  11198. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  11199. Failed writing message. Aborting connection.
  11200. System.InvalidOperationException: Writing is not allowed after writer was completed.
  11201. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  11202. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  11203. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  11204. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  11205. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  11206. Failed writing message. Aborting connection.
  11207. System.InvalidOperationException: Writing is not allowed after writer was completed.
  11208. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  11209. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  11210. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  11211. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  11212. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  11213. Failed writing message. Aborting connection.
  11214. System.InvalidOperationException: Writing is not allowed after writer was completed.
  11215. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  11216. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  11217. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  11218. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  11219. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  11220. Failed writing message. Aborting connection.
  11221. System.InvalidOperationException: Writing is not allowed after writer was completed.
  11222. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  11223. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  11224. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  11225. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  11226. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  11227. Failed writing message. Aborting connection.
  11228. System.InvalidOperationException: Writing is not allowed after writer was completed.
  11229. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  11230. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  11231. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  11232. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  11233. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  11234. Failed writing message. Aborting connection.
  11235. System.InvalidOperationException: Writing is not allowed after writer was completed.
  11236. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  11237. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  11238. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  11239. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  11240. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  11241. Failed writing message. Aborting connection.
  11242. System.InvalidOperationException: Writing is not allowed after writer was completed.
  11243. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  11244. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  11245. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  11246. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  11247. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  11248. Failed writing message. Aborting connection.
  11249. System.InvalidOperationException: Writing is not allowed after writer was completed.
  11250. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  11251. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  11252. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  11253. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  11254. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  11255. Failed writing message. Aborting connection.
  11256. System.InvalidOperationException: Writing is not allowed after writer was completed.
  11257. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  11258. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  11259. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  11260. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  11261. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  11262. Failed writing message. Aborting connection.
  11263. System.InvalidOperationException: Writing is not allowed after writer was completed.
  11264. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  11265. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  11266. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  11267. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  11268. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  11269. Failed writing message. Aborting connection.
  11270. System.InvalidOperationException: Writing is not allowed after writer was completed.
  11271. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  11272. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  11273. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  11274. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  11275. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  11276. Failed writing message. Aborting connection.
  11277. System.InvalidOperationException: Writing is not allowed after writer was completed.
  11278. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  11279. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  11280. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  11281. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  11282. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  11283. Failed writing message. Aborting connection.
  11284. System.InvalidOperationException: Writing is not allowed after writer was completed.
  11285. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  11286. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  11287. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  11288. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  11289. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  11290. Failed writing message. Aborting connection.
  11291. System.InvalidOperationException: Writing is not allowed after writer was completed.
  11292. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  11293. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  11294. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  11295. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  11296. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  11297. Failed writing message. Aborting connection.
  11298. System.InvalidOperationException: Writing is not allowed after writer was completed.
  11299. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  11300. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  11301. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  11302. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  11303. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  11304. Failed writing message. Aborting connection.
  11305. System.InvalidOperationException: Writing is not allowed after writer was completed.
  11306. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  11307. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  11308. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  11309. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  11310. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  11311. Failed writing message. Aborting connection.
  11312. System.InvalidOperationException: Writing is not allowed after writer was completed.
  11313. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  11314. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  11315. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  11316. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  11317. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  11318. Failed writing message. Aborting connection.
  11319. System.InvalidOperationException: Writing is not allowed after writer was completed.
  11320. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  11321. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  11322. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  11323. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  11324. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  11325. Failed writing message. Aborting connection.
  11326. System.InvalidOperationException: Writing is not allowed after writer was completed.
  11327. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  11328. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  11329. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  11330. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  11331. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  11332. Failed writing message. Aborting connection.
  11333. System.InvalidOperationException: Writing is not allowed after writer was completed.
  11334. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  11335. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  11336. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  11337. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  11338. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  11339. Failed writing message. Aborting connection.
  11340. System.InvalidOperationException: Writing is not allowed after writer was completed.
  11341. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  11342. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  11343. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  11344. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  11345. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  11346. Failed writing message. Aborting connection.
  11347. System.InvalidOperationException: Writing is not allowed after writer was completed.
  11348. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  11349. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  11350. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  11351. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  11352. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  11353. Failed writing message. Aborting connection.
  11354. System.InvalidOperationException: Writing is not allowed after writer was completed.
  11355. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  11356. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  11357. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  11358. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  11359. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  11360. Failed writing message. Aborting connection.
  11361. System.InvalidOperationException: Writing is not allowed after writer was completed.
  11362. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  11363. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  11364. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  11365. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  11366. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  11367. Failed writing message. Aborting connection.
  11368. System.InvalidOperationException: Writing is not allowed after writer was completed.
  11369. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  11370. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  11371. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  11372. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  11373. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  11374. Failed writing message. Aborting connection.
  11375. System.InvalidOperationException: Writing is not allowed after writer was completed.
  11376. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  11377. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  11378. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  11379. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  11380. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  11381. Failed writing message. Aborting connection.
  11382. System.InvalidOperationException: Writing is not allowed after writer was completed.
  11383. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  11384. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  11385. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  11386. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  11387. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  11388. Failed writing message. Aborting connection.
  11389. System.InvalidOperationException: Writing is not allowed after writer was completed.
  11390. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  11391. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  11392. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  11393. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  11394. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  11395. Failed writing message. Aborting connection.
  11396. System.InvalidOperationException: Writing is not allowed after writer was completed.
  11397. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  11398. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  11399. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  11400. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  11401. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  11402. Failed writing message. Aborting connection.
  11403. System.InvalidOperationException: Writing is not allowed after writer was completed.
  11404. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  11405. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  11406. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  11407. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  11408. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  11409. Failed writing message. Aborting connection.
  11410. System.InvalidOperationException: Writing is not allowed after writer was completed.
  11411. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  11412. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  11413. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  11414. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  11415. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  11416. Failed writing message. Aborting connection.
  11417. System.InvalidOperationException: Writing is not allowed after writer was completed.
  11418. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  11419. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  11420. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  11421. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  11422. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  11423. Failed writing message. Aborting connection.
  11424. System.InvalidOperationException: Writing is not allowed after writer was completed.
  11425. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  11426. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  11427. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  11428. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  11429. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  11430. Failed writing message. Aborting connection.
  11431. System.InvalidOperationException: Writing is not allowed after writer was completed.
  11432. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  11433. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  11434. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  11435. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  11436. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  11437. Failed writing message. Aborting connection.
  11438. System.InvalidOperationException: Writing is not allowed after writer was completed.
  11439. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  11440. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  11441. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  11442. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  11443. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  11444. Failed writing message. Aborting connection.
  11445. System.InvalidOperationException: Writing is not allowed after writer was completed.
  11446. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  11447. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  11448. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  11449. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  11450. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  11451. Failed writing message. Aborting connection.
  11452. System.InvalidOperationException: Writing is not allowed after writer was completed.
  11453. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  11454. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  11455. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  11456. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  11457. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  11458. Failed writing message. Aborting connection.
  11459. System.InvalidOperationException: Writing is not allowed after writer was completed.
  11460. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  11461. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  11462. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  11463. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  11464. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  11465. Failed writing message. Aborting connection.
  11466. System.InvalidOperationException: Writing is not allowed after writer was completed.
  11467. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  11468. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  11469. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  11470. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  11471. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  11472. Failed writing message. Aborting connection.
  11473. System.InvalidOperationException: Writing is not allowed after writer was completed.
  11474. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  11475. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  11476. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  11477. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  11478. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  11479. Failed writing message. Aborting connection.
  11480. System.InvalidOperationException: Writing is not allowed after writer was completed.
  11481. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  11482. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  11483. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  11484. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  11485. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  11486. Failed writing message. Aborting connection.
  11487. System.InvalidOperationException: Writing is not allowed after writer was completed.
  11488. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  11489. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  11490. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  11491. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  11492. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  11493. Failed writing message. Aborting connection.
  11494. System.InvalidOperationException: Writing is not allowed after writer was completed.
  11495. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  11496. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  11497. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  11498. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  11499. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  11500. Failed writing message. Aborting connection.
  11501. System.InvalidOperationException: Writing is not allowed after writer was completed.
  11502. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  11503. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  11504. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  11505. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  11506. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  11507. Failed writing message. Aborting connection.
  11508. System.InvalidOperationException: Writing is not allowed after writer was completed.
  11509. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  11510. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  11511. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  11512. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  11513. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  11514. Failed writing message. Aborting connection.
  11515. System.InvalidOperationException: Writing is not allowed after writer was completed.
  11516. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  11517. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  11518. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  11519. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  11520. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  11521. Failed writing message. Aborting connection.
  11522. System.InvalidOperationException: Writing is not allowed after writer was completed.
  11523. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  11524. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  11525. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  11526. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  11527. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  11528. Failed writing message. Aborting connection.
  11529. System.InvalidOperationException: Writing is not allowed after writer was completed.
  11530. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  11531. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  11532. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  11533. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  11534. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  11535. Failed writing message. Aborting connection.
  11536. System.InvalidOperationException: Writing is not allowed after writer was completed.
  11537. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  11538. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  11539. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  11540. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  11541. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  11542. Failed writing message. Aborting connection.
  11543. System.InvalidOperationException: Writing is not allowed after writer was completed.
  11544. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  11545. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  11546. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  11547. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  11548. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  11549. Failed writing message. Aborting connection.
  11550. System.InvalidOperationException: Writing is not allowed after writer was completed.
  11551. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  11552. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  11553. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  11554. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  11555. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  11556. Failed writing message. Aborting connection.
  11557. System.InvalidOperationException: Writing is not allowed after writer was completed.
  11558. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  11559. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  11560. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  11561. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  11562. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  11563. Failed writing message. Aborting connection.
  11564. System.InvalidOperationException: Writing is not allowed after writer was completed.
  11565. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  11566. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  11567. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  11568. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  11569. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  11570. Failed writing message. Aborting connection.
  11571. System.InvalidOperationException: Writing is not allowed after writer was completed.
  11572. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  11573. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  11574. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  11575. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  11576. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  11577. Failed writing message. Aborting connection.
  11578. System.InvalidOperationException: Writing is not allowed after writer was completed.
  11579. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  11580. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  11581. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  11582. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  11583. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  11584. Failed writing message. Aborting connection.
  11585. System.InvalidOperationException: Writing is not allowed after writer was completed.
  11586. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  11587. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  11588. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  11589. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  11590. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  11591. Failed writing message. Aborting connection.
  11592. System.InvalidOperationException: Writing is not allowed after writer was completed.
  11593. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  11594. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  11595. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  11596. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  11597. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  11598. Failed writing message. Aborting connection.
  11599. System.InvalidOperationException: Writing is not allowed after writer was completed.
  11600. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  11601. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  11602. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  11603. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  11604. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  11605. Failed writing message. Aborting connection.
  11606. System.InvalidOperationException: Writing is not allowed after writer was completed.
  11607. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  11608. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  11609. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  11610. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  11611. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  11612. Failed writing message. Aborting connection.
  11613. System.InvalidOperationException: Writing is not allowed after writer was completed.
  11614. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  11615. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  11616. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  11617. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  11618. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  11619. Failed writing message. Aborting connection.
  11620. System.InvalidOperationException: Writing is not allowed after writer was completed.
  11621. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  11622. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  11623. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  11624. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  11625. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  11626. Failed writing message. Aborting connection.
  11627. System.InvalidOperationException: Writing is not allowed after writer was completed.
  11628. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  11629. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  11630. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  11631. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  11632. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  11633. Failed writing message. Aborting connection.
  11634. System.InvalidOperationException: Writing is not allowed after writer was completed.
  11635. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  11636. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  11637. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  11638. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  11639. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  11640. Failed writing message. Aborting connection.
  11641. System.InvalidOperationException: Writing is not allowed after writer was completed.
  11642. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  11643. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  11644. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  11645. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  11646. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  11647. Failed writing message. Aborting connection.
  11648. System.InvalidOperationException: Writing is not allowed after writer was completed.
  11649. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  11650. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  11651. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  11652. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  11653. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  11654. Failed writing message. Aborting connection.
  11655. System.InvalidOperationException: Writing is not allowed after writer was completed.
  11656. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  11657. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  11658. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  11659. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  11660. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  11661. Failed writing message. Aborting connection.
  11662. System.InvalidOperationException: Writing is not allowed after writer was completed.
  11663. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  11664. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  11665. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  11666. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  11667. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  11668. Failed writing message. Aborting connection.
  11669. System.InvalidOperationException: Writing is not allowed after writer was completed.
  11670. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  11671. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  11672. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  11673. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  11674. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  11675. Failed writing message. Aborting connection.
  11676. System.InvalidOperationException: Writing is not allowed after writer was completed.
  11677. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  11678. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  11679. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  11680. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  11681. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  11682. Failed writing message. Aborting connection.
  11683. System.InvalidOperationException: Writing is not allowed after writer was completed.
  11684. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  11685. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  11686. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  11687. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  11688. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  11689. Failed writing message. Aborting connection.
  11690. System.InvalidOperationException: Writing is not allowed after writer was completed.
  11691. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  11692. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  11693. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  11694. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  11695. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  11696. Failed writing message. Aborting connection.
  11697. System.InvalidOperationException: Writing is not allowed after writer was completed.
  11698. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  11699. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  11700. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  11701. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  11702. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  11703. Failed writing message. Aborting connection.
  11704. System.InvalidOperationException: Writing is not allowed after writer was completed.
  11705. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  11706. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  11707. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  11708. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  11709. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  11710. Failed writing message. Aborting connection.
  11711. System.InvalidOperationException: Writing is not allowed after writer was completed.
  11712. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  11713. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  11714. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  11715. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  11716. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  11717. Failed writing message. Aborting connection.
  11718. System.InvalidOperationException: Writing is not allowed after writer was completed.
  11719. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  11720. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  11721. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  11722. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  11723. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  11724. Failed writing message. Aborting connection.
  11725. System.InvalidOperationException: Writing is not allowed after writer was completed.
  11726. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  11727. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  11728. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  11729. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  11730. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  11731. Failed writing message. Aborting connection.
  11732. System.InvalidOperationException: Writing is not allowed after writer was completed.
  11733. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  11734. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  11735. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  11736. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  11737. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  11738. Failed writing message. Aborting connection.
  11739. System.InvalidOperationException: Writing is not allowed after writer was completed.
  11740. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  11741. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  11742. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  11743. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  11744. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  11745. Failed writing message. Aborting connection.
  11746. System.InvalidOperationException: Writing is not allowed after writer was completed.
  11747. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  11748. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  11749. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  11750. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  11751. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  11752. Failed writing message. Aborting connection.
  11753. System.InvalidOperationException: Writing is not allowed after writer was completed.
  11754. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  11755. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  11756. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  11757. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  11758. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  11759. Failed writing message. Aborting connection.
  11760. System.InvalidOperationException: Writing is not allowed after writer was completed.
  11761. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  11762. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  11763. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  11764. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  11765. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  11766. Failed writing message. Aborting connection.
  11767. System.InvalidOperationException: Writing is not allowed after writer was completed.
  11768. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  11769. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  11770. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  11771. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  11772. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  11773. Failed writing message. Aborting connection.
  11774. System.InvalidOperationException: Writing is not allowed after writer was completed.
  11775. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  11776. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  11777. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  11778. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  11779. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  11780. Failed writing message. Aborting connection.
  11781. System.InvalidOperationException: Writing is not allowed after writer was completed.
  11782. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  11783. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  11784. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  11785. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  11786. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  11787. Failed writing message. Aborting connection.
  11788. System.InvalidOperationException: Writing is not allowed after writer was completed.
  11789. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  11790. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  11791. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  11792. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  11793. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  11794. Failed writing message. Aborting connection.
  11795. System.InvalidOperationException: Writing is not allowed after writer was completed.
  11796. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  11797. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  11798. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  11799. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  11800. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  11801. Failed writing message. Aborting connection.
  11802. System.InvalidOperationException: Writing is not allowed after writer was completed.
  11803. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  11804. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  11805. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  11806. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  11807. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  11808. Failed writing message. Aborting connection.
  11809. System.InvalidOperationException: Writing is not allowed after writer was completed.
  11810. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  11811. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  11812. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  11813. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  11814. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  11815. Failed writing message. Aborting connection.
  11816. System.InvalidOperationException: Writing is not allowed after writer was completed.
  11817. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  11818. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  11819. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  11820. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  11821. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  11822. Failed writing message. Aborting connection.
  11823. System.InvalidOperationException: Writing is not allowed after writer was completed.
  11824. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  11825. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  11826. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  11827. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  11828. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  11829. Failed writing message. Aborting connection.
  11830. System.InvalidOperationException: Writing is not allowed after writer was completed.
  11831. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  11832. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  11833. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  11834. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  11835. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  11836. Failed writing message. Aborting connection.
  11837. System.InvalidOperationException: Writing is not allowed after writer was completed.
  11838. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  11839. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  11840. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  11841. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  11842. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  11843. Failed writing message. Aborting connection.
  11844. System.InvalidOperationException: Writing is not allowed after writer was completed.
  11845. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  11846. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  11847. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  11848. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  11849. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  11850. Failed writing message. Aborting connection.
  11851. System.InvalidOperationException: Writing is not allowed after writer was completed.
  11852. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  11853. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  11854. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  11855. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  11856. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  11857. Failed writing message. Aborting connection.
  11858. System.InvalidOperationException: Writing is not allowed after writer was completed.
  11859. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  11860. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  11861. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  11862. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  11863. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  11864. Failed writing message. Aborting connection.
  11865. System.InvalidOperationException: Writing is not allowed after writer was completed.
  11866. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  11867. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  11868. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  11869. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  11870. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  11871. Failed writing message. Aborting connection.
  11872. System.InvalidOperationException: Writing is not allowed after writer was completed.
  11873. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  11874. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  11875. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  11876. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  11877. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  11878. Failed writing message. Aborting connection.
  11879. System.InvalidOperationException: Writing is not allowed after writer was completed.
  11880. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  11881. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  11882. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  11883. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  11884. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  11885. Failed writing message. Aborting connection.
  11886. System.InvalidOperationException: Writing is not allowed after writer was completed.
  11887. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  11888. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  11889. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  11890. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  11891. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  11892. Failed writing message. Aborting connection.
  11893. System.InvalidOperationException: Writing is not allowed after writer was completed.
  11894. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  11895. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  11896. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  11897. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  11898. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  11899. Failed writing message. Aborting connection.
  11900. System.InvalidOperationException: Writing is not allowed after writer was completed.
  11901. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  11902. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  11903. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  11904. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  11905. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  11906. Failed writing message. Aborting connection.
  11907. System.InvalidOperationException: Writing is not allowed after writer was completed.
  11908. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  11909. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  11910. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  11911. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  11912. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  11913. Failed writing message. Aborting connection.
  11914. System.InvalidOperationException: Writing is not allowed after writer was completed.
  11915. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  11916. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  11917. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  11918. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  11919. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  11920. Failed writing message. Aborting connection.
  11921. System.InvalidOperationException: Writing is not allowed after writer was completed.
  11922. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  11923. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  11924. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  11925. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  11926. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  11927. Failed writing message. Aborting connection.
  11928. System.InvalidOperationException: Writing is not allowed after writer was completed.
  11929. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  11930. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  11931. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  11932. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  11933. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  11934. Failed writing message. Aborting connection.
  11935. System.InvalidOperationException: Writing is not allowed after writer was completed.
  11936. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  11937. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  11938. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  11939. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  11940. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  11941. Failed writing message. Aborting connection.
  11942. System.InvalidOperationException: Writing is not allowed after writer was completed.
  11943. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  11944. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  11945. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  11946. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  11947. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  11948. Failed writing message. Aborting connection.
  11949. System.InvalidOperationException: Writing is not allowed after writer was completed.
  11950. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  11951. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  11952. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  11953. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  11954. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  11955. Failed writing message. Aborting connection.
  11956. System.InvalidOperationException: Writing is not allowed after writer was completed.
  11957. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  11958. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  11959. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  11960. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  11961. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  11962. Failed writing message. Aborting connection.
  11963. System.InvalidOperationException: Writing is not allowed after writer was completed.
  11964. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  11965. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  11966. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  11967. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  11968. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  11969. Failed writing message. Aborting connection.
  11970. System.InvalidOperationException: Writing is not allowed after writer was completed.
  11971. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  11972. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  11973. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  11974. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  11975. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  11976. Failed writing message. Aborting connection.
  11977. System.InvalidOperationException: Writing is not allowed after writer was completed.
  11978. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  11979. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  11980. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  11981. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  11982. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  11983. Failed writing message. Aborting connection.
  11984. System.InvalidOperationException: Writing is not allowed after writer was completed.
  11985. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  11986. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  11987. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  11988. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  11989. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  11990. Failed writing message. Aborting connection.
  11991. System.InvalidOperationException: Writing is not allowed after writer was completed.
  11992. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  11993. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  11994. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  11995. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  11996. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  11997. Failed writing message. Aborting connection.
  11998. System.InvalidOperationException: Writing is not allowed after writer was completed.
  11999. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  12000. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  12001. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  12002. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  12003. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  12004. Failed writing message. Aborting connection.
  12005. System.InvalidOperationException: Writing is not allowed after writer was completed.
  12006. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  12007. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  12008. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  12009. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  12010. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  12011. Failed writing message. Aborting connection.
  12012. System.InvalidOperationException: Writing is not allowed after writer was completed.
  12013. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  12014. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  12015. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  12016. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  12017. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  12018. Failed writing message. Aborting connection.
  12019. System.InvalidOperationException: Writing is not allowed after writer was completed.
  12020. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  12021. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  12022. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  12023. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  12024. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  12025. Failed writing message. Aborting connection.
  12026. System.InvalidOperationException: Writing is not allowed after writer was completed.
  12027. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  12028. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  12029. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  12030. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  12031. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  12032. Failed writing message. Aborting connection.
  12033. System.InvalidOperationException: Writing is not allowed after writer was completed.
  12034. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  12035. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  12036. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  12037. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  12038. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  12039. Failed writing message. Aborting connection.
  12040. System.InvalidOperationException: Writing is not allowed after writer was completed.
  12041. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  12042. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  12043. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  12044. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  12045. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  12046. Failed writing message. Aborting connection.
  12047. System.InvalidOperationException: Writing is not allowed after writer was completed.
  12048. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  12049. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  12050. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  12051. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  12052. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  12053. Failed writing message. Aborting connection.
  12054. System.InvalidOperationException: Writing is not allowed after writer was completed.
  12055. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  12056. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  12057. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  12058. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  12059. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  12060. Failed writing message. Aborting connection.
  12061. System.InvalidOperationException: Writing is not allowed after writer was completed.
  12062. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  12063. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  12064. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  12065. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  12066. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  12067. Failed writing message. Aborting connection.
  12068. System.InvalidOperationException: Writing is not allowed after writer was completed.
  12069. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  12070. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  12071. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  12072. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  12073. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  12074. Failed writing message. Aborting connection.
  12075. System.InvalidOperationException: Writing is not allowed after writer was completed.
  12076. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  12077. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  12078. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  12079. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  12080. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  12081. Failed writing message. Aborting connection.
  12082. System.InvalidOperationException: Writing is not allowed after writer was completed.
  12083. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  12084. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  12085. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  12086. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  12087. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  12088. Failed writing message. Aborting connection.
  12089. System.InvalidOperationException: Writing is not allowed after writer was completed.
  12090. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  12091. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  12092. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  12093. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  12094. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  12095. Failed writing message. Aborting connection.
  12096. System.InvalidOperationException: Writing is not allowed after writer was completed.
  12097. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  12098. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  12099. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  12100. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  12101. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  12102. Failed writing message. Aborting connection.
  12103. System.InvalidOperationException: Writing is not allowed after writer was completed.
  12104. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  12105. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  12106. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  12107. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  12108. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  12109. Failed writing message. Aborting connection.
  12110. System.InvalidOperationException: Writing is not allowed after writer was completed.
  12111. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  12112. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  12113. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  12114. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  12115. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  12116. Failed writing message. Aborting connection.
  12117. System.InvalidOperationException: Writing is not allowed after writer was completed.
  12118. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  12119. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  12120. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  12121. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  12122. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  12123. Failed writing message. Aborting connection.
  12124. System.InvalidOperationException: Writing is not allowed after writer was completed.
  12125. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  12126. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  12127. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  12128. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  12129. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  12130. Failed writing message. Aborting connection.
  12131. System.InvalidOperationException: Writing is not allowed after writer was completed.
  12132. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  12133. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  12134. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  12135. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  12136. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  12137. Failed writing message. Aborting connection.
  12138. System.InvalidOperationException: Writing is not allowed after writer was completed.
  12139. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  12140. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  12141. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  12142. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  12143. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  12144. Failed writing message. Aborting connection.
  12145. System.InvalidOperationException: Writing is not allowed after writer was completed.
  12146. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  12147. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  12148. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  12149. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  12150. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  12151. Failed writing message. Aborting connection.
  12152. System.InvalidOperationException: Writing is not allowed after writer was completed.
  12153. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  12154. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  12155. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  12156. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  12157. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  12158. Failed writing message. Aborting connection.
  12159. System.InvalidOperationException: Writing is not allowed after writer was completed.
  12160. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  12161. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  12162. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  12163. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  12164. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  12165. Failed writing message. Aborting connection.
  12166. System.InvalidOperationException: Writing is not allowed after writer was completed.
  12167. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  12168. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  12169. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  12170. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  12171. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  12172. Failed writing message. Aborting connection.
  12173. System.InvalidOperationException: Writing is not allowed after writer was completed.
  12174. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  12175. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  12176. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  12177. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  12178. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  12179. Failed writing message. Aborting connection.
  12180. System.InvalidOperationException: Writing is not allowed after writer was completed.
  12181. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  12182. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  12183. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  12184. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  12185. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  12186. Failed writing message. Aborting connection.
  12187. System.InvalidOperationException: Writing is not allowed after writer was completed.
  12188. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  12189. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  12190. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  12191. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  12192. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  12193. Failed writing message. Aborting connection.
  12194. System.InvalidOperationException: Writing is not allowed after writer was completed.
  12195. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  12196. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  12197. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  12198. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  12199. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  12200. Failed writing message. Aborting connection.
  12201. System.InvalidOperationException: Writing is not allowed after writer was completed.
  12202. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  12203. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  12204. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  12205. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  12206. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  12207. Failed writing message. Aborting connection.
  12208. System.InvalidOperationException: Writing is not allowed after writer was completed.
  12209. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  12210. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  12211. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  12212. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  12213. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  12214. Failed writing message. Aborting connection.
  12215. System.InvalidOperationException: Writing is not allowed after writer was completed.
  12216. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  12217. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  12218. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  12219. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  12220. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  12221. Failed writing message. Aborting connection.
  12222. System.InvalidOperationException: Writing is not allowed after writer was completed.
  12223. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  12224. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  12225. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  12226. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  12227. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  12228. Failed writing message. Aborting connection.
  12229. System.InvalidOperationException: Writing is not allowed after writer was completed.
  12230. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  12231. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  12232. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  12233. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  12234. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  12235. Failed writing message. Aborting connection.
  12236. System.InvalidOperationException: Writing is not allowed after writer was completed.
  12237. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  12238. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  12239. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  12240. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  12241. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  12242. Failed writing message. Aborting connection.
  12243. System.InvalidOperationException: Writing is not allowed after writer was completed.
  12244. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  12245. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  12246. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  12247. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  12248. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  12249. Failed writing message. Aborting connection.
  12250. System.InvalidOperationException: Writing is not allowed after writer was completed.
  12251. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  12252. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  12253. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  12254. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  12255. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  12256. Failed writing message. Aborting connection.
  12257. System.InvalidOperationException: Writing is not allowed after writer was completed.
  12258. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  12259. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  12260. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  12261. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  12262. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  12263. Failed writing message. Aborting connection.
  12264. System.InvalidOperationException: Writing is not allowed after writer was completed.
  12265. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  12266. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  12267. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  12268. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  12269. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  12270. Failed writing message. Aborting connection.
  12271. System.InvalidOperationException: Writing is not allowed after writer was completed.
  12272. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  12273. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  12274. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  12275. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  12276. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  12277. Failed writing message. Aborting connection.
  12278. System.InvalidOperationException: Writing is not allowed after writer was completed.
  12279. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  12280. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  12281. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  12282. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  12283. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  12284. Failed writing message. Aborting connection.
  12285. System.InvalidOperationException: Writing is not allowed after writer was completed.
  12286. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  12287. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  12288. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  12289. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  12290. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  12291. Failed writing message. Aborting connection.
  12292. System.InvalidOperationException: Writing is not allowed after writer was completed.
  12293. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  12294. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  12295. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  12296. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  12297. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  12298. Failed writing message. Aborting connection.
  12299. System.InvalidOperationException: Writing is not allowed after writer was completed.
  12300. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  12301. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  12302. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  12303. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  12304. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  12305. Failed writing message. Aborting connection.
  12306. System.InvalidOperationException: Writing is not allowed after writer was completed.
  12307. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  12308. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  12309. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  12310. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  12311. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  12312. Failed writing message. Aborting connection.
  12313. System.InvalidOperationException: Writing is not allowed after writer was completed.
  12314. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  12315. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  12316. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  12317. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  12318. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  12319. Failed writing message. Aborting connection.
  12320. System.InvalidOperationException: Writing is not allowed after writer was completed.
  12321. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  12322. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  12323. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  12324. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  12325. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  12326. Failed writing message. Aborting connection.
  12327. System.InvalidOperationException: Writing is not allowed after writer was completed.
  12328. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  12329. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  12330. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  12331. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  12332. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  12333. Failed writing message. Aborting connection.
  12334. System.InvalidOperationException: Writing is not allowed after writer was completed.
  12335. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  12336. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  12337. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  12338. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  12339. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  12340. Failed writing message. Aborting connection.
  12341. System.InvalidOperationException: Writing is not allowed after writer was completed.
  12342. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  12343. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  12344. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  12345. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  12346. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  12347. Failed writing message. Aborting connection.
  12348. System.InvalidOperationException: Writing is not allowed after writer was completed.
  12349. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  12350. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  12351. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  12352. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  12353. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  12354. Failed writing message. Aborting connection.
  12355. System.InvalidOperationException: Writing is not allowed after writer was completed.
  12356. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  12357. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  12358. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  12359. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  12360. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  12361. Failed writing message. Aborting connection.
  12362. System.InvalidOperationException: Writing is not allowed after writer was completed.
  12363. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  12364. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  12365. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  12366. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  12367. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  12368. Failed writing message. Aborting connection.
  12369. System.InvalidOperationException: Writing is not allowed after writer was completed.
  12370. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  12371. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  12372. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  12373. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  12374. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  12375. Failed writing message. Aborting connection.
  12376. System.InvalidOperationException: Writing is not allowed after writer was completed.
  12377. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  12378. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  12379. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  12380. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  12381. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  12382. Failed writing message. Aborting connection.
  12383. System.InvalidOperationException: Writing is not allowed after writer was completed.
  12384. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  12385. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  12386. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  12387. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  12388. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  12389. Failed writing message. Aborting connection.
  12390. System.InvalidOperationException: Writing is not allowed after writer was completed.
  12391. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  12392. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  12393. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  12394. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  12395. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  12396. Failed writing message. Aborting connection.
  12397. System.InvalidOperationException: Writing is not allowed after writer was completed.
  12398. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  12399. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  12400. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  12401. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  12402. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  12403. Failed writing message. Aborting connection.
  12404. System.InvalidOperationException: Writing is not allowed after writer was completed.
  12405. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  12406. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  12407. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  12408. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  12409. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  12410. Failed writing message. Aborting connection.
  12411. System.InvalidOperationException: Writing is not allowed after writer was completed.
  12412. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  12413. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  12414. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  12415. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  12416. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  12417. Failed writing message. Aborting connection.
  12418. System.InvalidOperationException: Writing is not allowed after writer was completed.
  12419. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  12420. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  12421. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  12422. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  12423. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  12424. Failed writing message. Aborting connection.
  12425. System.InvalidOperationException: Writing is not allowed after writer was completed.
  12426. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  12427. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  12428. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  12429. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  12430. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  12431. Failed writing message. Aborting connection.
  12432. System.InvalidOperationException: Writing is not allowed after writer was completed.
  12433. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  12434. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  12435. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  12436. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  12437. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  12438. Failed writing message. Aborting connection.
  12439. System.InvalidOperationException: Writing is not allowed after writer was completed.
  12440. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  12441. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  12442. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  12443. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  12444. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  12445. Failed writing message. Aborting connection.
  12446. System.InvalidOperationException: Writing is not allowed after writer was completed.
  12447. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  12448. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  12449. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  12450. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  12451. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  12452. Failed writing message. Aborting connection.
  12453. System.InvalidOperationException: Writing is not allowed after writer was completed.
  12454. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  12455. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  12456. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  12457. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  12458. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  12459. Failed writing message. Aborting connection.
  12460. System.InvalidOperationException: Writing is not allowed after writer was completed.
  12461. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  12462. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  12463. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  12464. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  12465. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  12466. Failed writing message. Aborting connection.
  12467. System.InvalidOperationException: Writing is not allowed after writer was completed.
  12468. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  12469. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  12470. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  12471. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  12472. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  12473. Failed writing message. Aborting connection.
  12474. System.InvalidOperationException: Writing is not allowed after writer was completed.
  12475. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  12476. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  12477. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  12478. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  12479. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  12480. Failed writing message. Aborting connection.
  12481. System.InvalidOperationException: Writing is not allowed after writer was completed.
  12482. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  12483. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  12484. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  12485. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  12486. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  12487. Failed writing message. Aborting connection.
  12488. System.InvalidOperationException: Writing is not allowed after writer was completed.
  12489. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  12490. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  12491. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  12492. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  12493. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  12494. Failed writing message. Aborting connection.
  12495. System.InvalidOperationException: Writing is not allowed after writer was completed.
  12496. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  12497. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  12498. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  12499. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  12500. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  12501. Failed writing message. Aborting connection.
  12502. System.InvalidOperationException: Writing is not allowed after writer was completed.
  12503. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  12504. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  12505. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  12506. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  12507. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  12508. Failed writing message. Aborting connection.
  12509. System.InvalidOperationException: Writing is not allowed after writer was completed.
  12510. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  12511. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  12512. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  12513. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  12514. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  12515. Failed writing message. Aborting connection.
  12516. System.InvalidOperationException: Writing is not allowed after writer was completed.
  12517. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  12518. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  12519. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  12520. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  12521. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  12522. Failed writing message. Aborting connection.
  12523. System.InvalidOperationException: Writing is not allowed after writer was completed.
  12524. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  12525. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  12526. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  12527. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  12528. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  12529. Failed writing message. Aborting connection.
  12530. System.InvalidOperationException: Writing is not allowed after writer was completed.
  12531. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  12532. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  12533. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  12534. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  12535. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  12536. Failed writing message. Aborting connection.
  12537. System.InvalidOperationException: Writing is not allowed after writer was completed.
  12538. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  12539. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  12540. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  12541. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  12542. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  12543. Failed writing message. Aborting connection.
  12544. System.InvalidOperationException: Writing is not allowed after writer was completed.
  12545. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  12546. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  12547. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  12548. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  12549. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  12550. Failed writing message. Aborting connection.
  12551. System.InvalidOperationException: Writing is not allowed after writer was completed.
  12552. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  12553. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  12554. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  12555. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  12556. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  12557. Failed writing message. Aborting connection.
  12558. System.InvalidOperationException: Writing is not allowed after writer was completed.
  12559. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  12560. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  12561. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  12562. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  12563. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  12564. Failed writing message. Aborting connection.
  12565. System.InvalidOperationException: Writing is not allowed after writer was completed.
  12566. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  12567. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  12568. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  12569. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  12570. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  12571. Failed writing message. Aborting connection.
  12572. System.InvalidOperationException: Writing is not allowed after writer was completed.
  12573. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  12574. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  12575. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  12576. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  12577. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  12578. Failed writing message. Aborting connection.
  12579. System.InvalidOperationException: Writing is not allowed after writer was completed.
  12580. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  12581. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  12582. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  12583. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  12584. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  12585. Failed writing message. Aborting connection.
  12586. System.InvalidOperationException: Writing is not allowed after writer was completed.
  12587. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  12588. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  12589. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  12590. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  12591. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  12592. Failed writing message. Aborting connection.
  12593. System.InvalidOperationException: Writing is not allowed after writer was completed.
  12594. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  12595. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  12596. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  12597. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  12598. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  12599. Failed writing message. Aborting connection.
  12600. System.InvalidOperationException: Writing is not allowed after writer was completed.
  12601. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  12602. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  12603. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  12604. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  12605. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  12606. Failed writing message. Aborting connection.
  12607. System.InvalidOperationException: Writing is not allowed after writer was completed.
  12608. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  12609. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  12610. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  12611. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  12612. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  12613. Failed writing message. Aborting connection.
  12614. System.InvalidOperationException: Writing is not allowed after writer was completed.
  12615. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  12616. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  12617. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  12618. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  12619. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  12620. Failed writing message. Aborting connection.
  12621. System.InvalidOperationException: Writing is not allowed after writer was completed.
  12622. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  12623. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  12624. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  12625. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  12626. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  12627. Failed writing message. Aborting connection.
  12628. System.InvalidOperationException: Writing is not allowed after writer was completed.
  12629. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  12630. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  12631. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  12632. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  12633. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  12634. Failed writing message. Aborting connection.
  12635. System.InvalidOperationException: Writing is not allowed after writer was completed.
  12636. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  12637. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  12638. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  12639. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  12640. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  12641. Failed writing message. Aborting connection.
  12642. System.InvalidOperationException: Writing is not allowed after writer was completed.
  12643. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  12644. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  12645. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  12646. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  12647. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  12648. Failed writing message. Aborting connection.
  12649. System.InvalidOperationException: Writing is not allowed after writer was completed.
  12650. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  12651. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  12652. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  12653. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  12654. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  12655. Failed writing message. Aborting connection.
  12656. System.InvalidOperationException: Writing is not allowed after writer was completed.
  12657. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  12658. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  12659. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  12660. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  12661. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  12662. Failed writing message. Aborting connection.
  12663. System.InvalidOperationException: Writing is not allowed after writer was completed.
  12664. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  12665. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  12666. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  12667. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  12668. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  12669. Failed writing message. Aborting connection.
  12670. System.InvalidOperationException: Writing is not allowed after writer was completed.
  12671. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  12672. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  12673. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  12674. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  12675. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  12676. Failed writing message. Aborting connection.
  12677. System.InvalidOperationException: Writing is not allowed after writer was completed.
  12678. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  12679. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  12680. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  12681. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  12682. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  12683. Failed writing message. Aborting connection.
  12684. System.InvalidOperationException: Writing is not allowed after writer was completed.
  12685. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  12686. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  12687. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  12688. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  12689. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  12690. Failed writing message. Aborting connection.
  12691. System.InvalidOperationException: Writing is not allowed after writer was completed.
  12692. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  12693. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  12694. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  12695. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  12696. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  12697. Failed writing message. Aborting connection.
  12698. System.InvalidOperationException: Writing is not allowed after writer was completed.
  12699. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  12700. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  12701. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  12702. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  12703. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  12704. Failed writing message. Aborting connection.
  12705. System.InvalidOperationException: Writing is not allowed after writer was completed.
  12706. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  12707. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  12708. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  12709. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  12710. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  12711. Failed writing message. Aborting connection.
  12712. System.InvalidOperationException: Writing is not allowed after writer was completed.
  12713. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  12714. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  12715. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  12716. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  12717. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  12718. Failed writing message. Aborting connection.
  12719. System.InvalidOperationException: Writing is not allowed after writer was completed.
  12720. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  12721. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  12722. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  12723. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  12724. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  12725. Failed writing message. Aborting connection.
  12726. System.InvalidOperationException: Writing is not allowed after writer was completed.
  12727. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  12728. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  12729. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  12730. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  12731. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  12732. Failed writing message. Aborting connection.
  12733. System.InvalidOperationException: Writing is not allowed after writer was completed.
  12734. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  12735. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  12736. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  12737. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  12738. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  12739. Failed writing message. Aborting connection.
  12740. System.InvalidOperationException: Writing is not allowed after writer was completed.
  12741. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  12742. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  12743. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  12744. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  12745. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  12746. Failed writing message. Aborting connection.
  12747. System.InvalidOperationException: Writing is not allowed after writer was completed.
  12748. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  12749. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  12750. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  12751. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  12752. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  12753. Failed writing message. Aborting connection.
  12754. System.InvalidOperationException: Writing is not allowed after writer was completed.
  12755. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  12756. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  12757. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  12758. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  12759. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  12760. Failed writing message. Aborting connection.
  12761. System.InvalidOperationException: Writing is not allowed after writer was completed.
  12762. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  12763. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  12764. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  12765. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  12766. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  12767. Failed writing message. Aborting connection.
  12768. System.InvalidOperationException: Writing is not allowed after writer was completed.
  12769. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  12770. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  12771. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  12772. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  12773. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  12774. Failed writing message. Aborting connection.
  12775. System.InvalidOperationException: Writing is not allowed after writer was completed.
  12776. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  12777. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  12778. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  12779. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  12780. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  12781. Failed writing message. Aborting connection.
  12782. System.InvalidOperationException: Writing is not allowed after writer was completed.
  12783. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  12784. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  12785. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  12786. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  12787. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  12788. Failed writing message. Aborting connection.
  12789. System.InvalidOperationException: Writing is not allowed after writer was completed.
  12790. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  12791. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  12792. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  12793. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  12794. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  12795. Failed writing message. Aborting connection.
  12796. System.InvalidOperationException: Writing is not allowed after writer was completed.
  12797. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  12798. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  12799. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  12800. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  12801. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  12802. Failed writing message. Aborting connection.
  12803. System.InvalidOperationException: Writing is not allowed after writer was completed.
  12804. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  12805. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  12806. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  12807. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  12808. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  12809. Failed writing message. Aborting connection.
  12810. System.InvalidOperationException: Writing is not allowed after writer was completed.
  12811. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  12812. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  12813. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  12814. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  12815. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  12816. Failed writing message. Aborting connection.
  12817. System.InvalidOperationException: Writing is not allowed after writer was completed.
  12818. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  12819. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  12820. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  12821. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  12822. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  12823. Failed writing message. Aborting connection.
  12824. System.InvalidOperationException: Writing is not allowed after writer was completed.
  12825. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  12826. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  12827. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  12828. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  12829. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  12830. Failed writing message. Aborting connection.
  12831. System.InvalidOperationException: Writing is not allowed after writer was completed.
  12832. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  12833. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  12834. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  12835. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  12836. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  12837. Failed writing message. Aborting connection.
  12838. System.InvalidOperationException: Writing is not allowed after writer was completed.
  12839. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  12840. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  12841. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  12842. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  12843. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  12844. Failed writing message. Aborting connection.
  12845. System.InvalidOperationException: Writing is not allowed after writer was completed.
  12846. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  12847. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  12848. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  12849. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  12850. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  12851. Failed writing message. Aborting connection.
  12852. System.InvalidOperationException: Writing is not allowed after writer was completed.
  12853. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  12854. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  12855. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  12856. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  12857. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  12858. Failed writing message. Aborting connection.
  12859. System.InvalidOperationException: Writing is not allowed after writer was completed.
  12860. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  12861. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  12862. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  12863. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  12864. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  12865. Failed writing message. Aborting connection.
  12866. System.InvalidOperationException: Writing is not allowed after writer was completed.
  12867. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  12868. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  12869. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  12870. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  12871. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  12872. Failed writing message. Aborting connection.
  12873. System.InvalidOperationException: Writing is not allowed after writer was completed.
  12874. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  12875. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  12876. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  12877. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  12878. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  12879. Failed writing message. Aborting connection.
  12880. System.InvalidOperationException: Writing is not allowed after writer was completed.
  12881. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  12882. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  12883. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  12884. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  12885. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  12886. Failed writing message. Aborting connection.
  12887. System.InvalidOperationException: Writing is not allowed after writer was completed.
  12888. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  12889. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  12890. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  12891. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  12892. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  12893. Failed writing message. Aborting connection.
  12894. System.InvalidOperationException: Writing is not allowed after writer was completed.
  12895. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  12896. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  12897. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  12898. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  12899. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  12900. Failed writing message. Aborting connection.
  12901. System.InvalidOperationException: Writing is not allowed after writer was completed.
  12902. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  12903. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  12904. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  12905. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  12906. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  12907. Failed writing message. Aborting connection.
  12908. System.InvalidOperationException: Writing is not allowed after writer was completed.
  12909. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  12910. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  12911. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  12912. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  12913. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  12914. Failed writing message. Aborting connection.
  12915. System.InvalidOperationException: Writing is not allowed after writer was completed.
  12916. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  12917. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  12918. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  12919. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  12920. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  12921. Failed writing message. Aborting connection.
  12922. System.InvalidOperationException: Writing is not allowed after writer was completed.
  12923. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  12924. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  12925. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  12926. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  12927. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  12928. Heartbeat took longer than "00:00:01" at "05/21/2019 10:00:23 +00:00".
  12929. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  12930. Failed writing message. Aborting connection.
  12931. System.InvalidOperationException: Writing is not allowed after writer was completed.
  12932. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  12933. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  12934. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  12935. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  12936. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  12937. Failed writing message. Aborting connection.
  12938. System.InvalidOperationException: Writing is not allowed after writer was completed.
  12939. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  12940. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  12941. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  12942. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  12943. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  12944. Failed writing message. Aborting connection.
  12945. System.InvalidOperationException: Writing is not allowed after writer was completed.
  12946. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  12947. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  12948. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  12949. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  12950. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  12951. Failed writing message. Aborting connection.
  12952. System.InvalidOperationException: Writing is not allowed after writer was completed.
  12953. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  12954. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  12955. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  12956. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  12957. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  12958. Failed writing message. Aborting connection.
  12959. System.InvalidOperationException: Writing is not allowed after writer was completed.
  12960. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  12961. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  12962. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  12963. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  12964. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  12965. Failed writing message. Aborting connection.
  12966. System.InvalidOperationException: Writing is not allowed after writer was completed.
  12967. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  12968. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  12969. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  12970. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  12971. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  12972. Failed writing message. Aborting connection.
  12973. System.InvalidOperationException: Writing is not allowed after writer was completed.
  12974. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  12975. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  12976. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  12977. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  12978. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  12979. Failed writing message. Aborting connection.
  12980. System.InvalidOperationException: Writing is not allowed after writer was completed.
  12981. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  12982. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  12983. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  12984. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  12985. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  12986. Failed writing message. Aborting connection.
  12987. System.InvalidOperationException: Writing is not allowed after writer was completed.
  12988. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  12989. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  12990. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  12991. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  12992. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  12993. Failed writing message. Aborting connection.
  12994. System.InvalidOperationException: Writing is not allowed after writer was completed.
  12995. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  12996. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  12997. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  12998. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  12999. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  13000. Failed writing message. Aborting connection.
  13001. System.InvalidOperationException: Writing is not allowed after writer was completed.
  13002. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  13003. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  13004. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  13005. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  13006. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  13007. Failed writing message. Aborting connection.
  13008. System.InvalidOperationException: Writing is not allowed after writer was completed.
  13009. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  13010. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  13011. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  13012. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  13013. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  13014. Failed writing message. Aborting connection.
  13015. System.InvalidOperationException: Writing is not allowed after writer was completed.
  13016. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  13017. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  13018. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  13019. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  13020. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  13021. Failed writing message. Aborting connection.
  13022. System.InvalidOperationException: Writing is not allowed after writer was completed.
  13023. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  13024. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  13025. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  13026. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  13027. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  13028. Failed writing message. Aborting connection.
  13029. System.InvalidOperationException: Writing is not allowed after writer was completed.
  13030. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  13031. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  13032. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  13033. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  13034. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  13035. Failed writing message. Aborting connection.
  13036. System.InvalidOperationException: Writing is not allowed after writer was completed.
  13037. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  13038. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  13039. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  13040. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  13041. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  13042. Failed writing message. Aborting connection.
  13043. System.InvalidOperationException: Writing is not allowed after writer was completed.
  13044. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  13045. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  13046. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  13047. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  13048. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  13049. Failed writing message. Aborting connection.
  13050. System.InvalidOperationException: Writing is not allowed after writer was completed.
  13051. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  13052. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  13053. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  13054. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  13055. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  13056. Failed writing message. Aborting connection.
  13057. System.InvalidOperationException: Writing is not allowed after writer was completed.
  13058. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  13059. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  13060. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  13061. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  13062. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  13063. Failed writing message. Aborting connection.
  13064. System.InvalidOperationException: Writing is not allowed after writer was completed.
  13065. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  13066. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  13067. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  13068. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  13069. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  13070. Failed writing message. Aborting connection.
  13071. System.InvalidOperationException: Writing is not allowed after writer was completed.
  13072. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  13073. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  13074. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  13075. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  13076. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  13077. Failed writing message. Aborting connection.
  13078. System.InvalidOperationException: Writing is not allowed after writer was completed.
  13079. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  13080. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  13081. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  13082. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  13083. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  13084. Failed writing message. Aborting connection.
  13085. System.InvalidOperationException: Writing is not allowed after writer was completed.
  13086. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  13087. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  13088. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  13089. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  13090. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  13091. Failed writing message. Aborting connection.
  13092. System.InvalidOperationException: Writing is not allowed after writer was completed.
  13093. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  13094. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  13095. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  13096. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  13097. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  13098. Failed writing message. Aborting connection.
  13099. System.InvalidOperationException: Writing is not allowed after writer was completed.
  13100. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  13101. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  13102. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  13103. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  13104. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  13105. Failed writing message. Aborting connection.
  13106. System.InvalidOperationException: Writing is not allowed after writer was completed.
  13107. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  13108. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  13109. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  13110. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  13111. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  13112. Failed writing message. Aborting connection.
  13113. System.InvalidOperationException: Writing is not allowed after writer was completed.
  13114. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  13115. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  13116. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  13117. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  13118. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  13119. Failed writing message. Aborting connection.
  13120. System.InvalidOperationException: Writing is not allowed after writer was completed.
  13121. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  13122. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  13123. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  13124. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  13125. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  13126. Failed writing message. Aborting connection.
  13127. System.InvalidOperationException: Writing is not allowed after writer was completed.
  13128. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  13129. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  13130. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  13131. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  13132. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  13133. Failed writing message. Aborting connection.
  13134. System.InvalidOperationException: Writing is not allowed after writer was completed.
  13135. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  13136. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  13137. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  13138. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  13139. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  13140. Failed writing message. Aborting connection.
  13141. System.InvalidOperationException: Writing is not allowed after writer was completed.
  13142. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  13143. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  13144. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  13145. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  13146. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  13147. Failed writing message. Aborting connection.
  13148. System.InvalidOperationException: Writing is not allowed after writer was completed.
  13149. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  13150. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  13151. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  13152. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  13153. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  13154. Failed writing message. Aborting connection.
  13155. System.InvalidOperationException: Writing is not allowed after writer was completed.
  13156. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  13157. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  13158. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  13159. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  13160. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  13161. Failed writing message. Aborting connection.
  13162. System.InvalidOperationException: Writing is not allowed after writer was completed.
  13163. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  13164. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  13165. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  13166. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  13167. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  13168. Failed writing message. Aborting connection.
  13169. System.InvalidOperationException: Writing is not allowed after writer was completed.
  13170. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  13171. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  13172. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  13173. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  13174. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  13175. Failed writing message. Aborting connection.
  13176. System.InvalidOperationException: Writing is not allowed after writer was completed.
  13177. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  13178. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  13179. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  13180. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  13181. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  13182. Failed writing message. Aborting connection.
  13183. System.InvalidOperationException: Writing is not allowed after writer was completed.
  13184. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  13185. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  13186. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  13187. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  13188. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  13189. Failed writing message. Aborting connection.
  13190. System.InvalidOperationException: Writing is not allowed after writer was completed.
  13191. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  13192. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  13193. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  13194. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  13195. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  13196. Failed writing message. Aborting connection.
  13197. System.InvalidOperationException: Writing is not allowed after writer was completed.
  13198. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  13199. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  13200. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  13201. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  13202. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  13203. Failed writing message. Aborting connection.
  13204. System.InvalidOperationException: Writing is not allowed after writer was completed.
  13205. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  13206. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  13207. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  13208. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  13209. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  13210. Failed writing message. Aborting connection.
  13211. System.InvalidOperationException: Writing is not allowed after writer was completed.
  13212. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  13213. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  13214. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  13215. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  13216. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  13217. Failed writing message. Aborting connection.
  13218. System.InvalidOperationException: Writing is not allowed after writer was completed.
  13219. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  13220. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  13221. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  13222. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  13223. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  13224. Failed writing message. Aborting connection.
  13225. System.InvalidOperationException: Writing is not allowed after writer was completed.
  13226. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  13227. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  13228. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  13229. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  13230. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  13231. Failed writing message. Aborting connection.
  13232. System.InvalidOperationException: Writing is not allowed after writer was completed.
  13233. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  13234. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  13235. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  13236. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  13237. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  13238. Failed writing message. Aborting connection.
  13239. System.InvalidOperationException: Writing is not allowed after writer was completed.
  13240. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  13241. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  13242. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  13243. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  13244. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  13245. Failed writing message. Aborting connection.
  13246. System.InvalidOperationException: Writing is not allowed after writer was completed.
  13247. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  13248. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  13249. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  13250. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  13251. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  13252. Failed writing message. Aborting connection.
  13253. System.InvalidOperationException: Writing is not allowed after writer was completed.
  13254. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  13255. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  13256. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  13257. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  13258. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  13259. Failed writing message. Aborting connection.
  13260. System.InvalidOperationException: Writing is not allowed after writer was completed.
  13261. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  13262. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  13263. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  13264. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  13265. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  13266. Failed writing message. Aborting connection.
  13267. System.InvalidOperationException: Writing is not allowed after writer was completed.
  13268. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  13269. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  13270. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  13271. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  13272. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  13273. Failed writing message. Aborting connection.
  13274. System.InvalidOperationException: Writing is not allowed after writer was completed.
  13275. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  13276. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  13277. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  13278. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  13279. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  13280. Failed writing message. Aborting connection.
  13281. System.InvalidOperationException: Writing is not allowed after writer was completed.
  13282. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  13283. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  13284. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  13285. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  13286. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  13287. Failed writing message. Aborting connection.
  13288. System.InvalidOperationException: Writing is not allowed after writer was completed.
  13289. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  13290. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  13291. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  13292. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  13293. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  13294. Failed writing message. Aborting connection.
  13295. System.InvalidOperationException: Writing is not allowed after writer was completed.
  13296. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  13297. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  13298. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  13299. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  13300. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  13301. Failed writing message. Aborting connection.
  13302. System.InvalidOperationException: Writing is not allowed after writer was completed.
  13303. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  13304. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  13305. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  13306. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  13307. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  13308. Failed writing message. Aborting connection.
  13309. System.InvalidOperationException: Writing is not allowed after writer was completed.
  13310. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  13311. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  13312. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  13313. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  13314. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  13315. Failed writing message. Aborting connection.
  13316. System.InvalidOperationException: Writing is not allowed after writer was completed.
  13317. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  13318. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  13319. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  13320. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  13321. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  13322. Failed writing message. Aborting connection.
  13323. System.InvalidOperationException: Writing is not allowed after writer was completed.
  13324. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  13325. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  13326. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  13327. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  13328. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  13329. Failed writing message. Aborting connection.
  13330. System.InvalidOperationException: Writing is not allowed after writer was completed.
  13331. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  13332. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  13333. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  13334. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  13335. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  13336. Failed writing message. Aborting connection.
  13337. System.InvalidOperationException: Writing is not allowed after writer was completed.
  13338. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  13339. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  13340. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  13341. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  13342. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  13343. Failed writing message. Aborting connection.
  13344. System.InvalidOperationException: Writing is not allowed after writer was completed.
  13345. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  13346. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  13347. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  13348. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  13349. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  13350. Failed writing message. Aborting connection.
  13351. System.InvalidOperationException: Writing is not allowed after writer was completed.
  13352. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  13353. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  13354. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  13355. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  13356. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  13357. Failed writing message. Aborting connection.
  13358. System.InvalidOperationException: Writing is not allowed after writer was completed.
  13359. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  13360. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  13361. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  13362. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  13363. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  13364. Failed writing message. Aborting connection.
  13365. System.InvalidOperationException: Writing is not allowed after writer was completed.
  13366. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  13367. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  13368. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  13369. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  13370. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  13371. Failed writing message. Aborting connection.
  13372. System.InvalidOperationException: Writing is not allowed after writer was completed.
  13373. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  13374. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  13375. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  13376. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  13377. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  13378. Failed writing message. Aborting connection.
  13379. System.InvalidOperationException: Writing is not allowed after writer was completed.
  13380. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  13381. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  13382. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  13383. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  13384. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  13385. Failed writing message. Aborting connection.
  13386. System.InvalidOperationException: Writing is not allowed after writer was completed.
  13387. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  13388. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  13389. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  13390. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  13391. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  13392. Failed writing message. Aborting connection.
  13393. System.InvalidOperationException: Writing is not allowed after writer was completed.
  13394. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  13395. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  13396. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  13397. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  13398. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  13399. Failed writing message. Aborting connection.
  13400. System.InvalidOperationException: Writing is not allowed after writer was completed.
  13401. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  13402. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  13403. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  13404. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  13405. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  13406. Failed writing message. Aborting connection.
  13407. System.InvalidOperationException: Writing is not allowed after writer was completed.
  13408. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  13409. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  13410. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  13411. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  13412. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  13413. Failed writing message. Aborting connection.
  13414. System.InvalidOperationException: Writing is not allowed after writer was completed.
  13415. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  13416. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  13417. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  13418. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  13419. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  13420. Failed writing message. Aborting connection.
  13421. System.InvalidOperationException: Writing is not allowed after writer was completed.
  13422. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  13423. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  13424. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  13425. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  13426. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  13427. Failed writing message. Aborting connection.
  13428. System.InvalidOperationException: Writing is not allowed after writer was completed.
  13429. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  13430. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  13431. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  13432. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  13433. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  13434. Failed writing message. Aborting connection.
  13435. System.InvalidOperationException: Writing is not allowed after writer was completed.
  13436. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  13437. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  13438. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  13439. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  13440. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  13441. Failed writing message. Aborting connection.
  13442. System.InvalidOperationException: Writing is not allowed after writer was completed.
  13443. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  13444. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  13445. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  13446. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  13447. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  13448. Failed writing message. Aborting connection.
  13449. System.InvalidOperationException: Writing is not allowed after writer was completed.
  13450. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  13451. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  13452. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  13453. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  13454. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  13455. Failed writing message. Aborting connection.
  13456. System.InvalidOperationException: Writing is not allowed after writer was completed.
  13457. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  13458. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  13459. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  13460. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  13461. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  13462. Failed writing message. Aborting connection.
  13463. System.InvalidOperationException: Writing is not allowed after writer was completed.
  13464. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  13465. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  13466. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  13467. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  13468. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  13469. Failed writing message. Aborting connection.
  13470. System.InvalidOperationException: Writing is not allowed after writer was completed.
  13471. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  13472. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  13473. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  13474. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  13475. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  13476. Failed writing message. Aborting connection.
  13477. System.InvalidOperationException: Writing is not allowed after writer was completed.
  13478. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  13479. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  13480. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  13481. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  13482. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  13483. Failed writing message. Aborting connection.
  13484. System.InvalidOperationException: Writing is not allowed after writer was completed.
  13485. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  13486. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  13487. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  13488. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  13489. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  13490. Failed writing message. Aborting connection.
  13491. System.InvalidOperationException: Writing is not allowed after writer was completed.
  13492. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  13493. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  13494. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  13495. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  13496. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  13497. Failed writing message. Aborting connection.
  13498. System.InvalidOperationException: Writing is not allowed after writer was completed.
  13499. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  13500. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  13501. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  13502. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  13503. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  13504. Failed writing message. Aborting connection.
  13505. System.InvalidOperationException: Writing is not allowed after writer was completed.
  13506. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  13507. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  13508. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  13509. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  13510. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  13511. Failed writing message. Aborting connection.
  13512. System.InvalidOperationException: Writing is not allowed after writer was completed.
  13513. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  13514. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  13515. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  13516. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  13517. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  13518. Failed writing message. Aborting connection.
  13519. System.InvalidOperationException: Writing is not allowed after writer was completed.
  13520. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  13521. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  13522. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  13523. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  13524. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  13525. Failed writing message. Aborting connection.
  13526. System.InvalidOperationException: Writing is not allowed after writer was completed.
  13527. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  13528. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  13529. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  13530. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  13531. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  13532. Failed writing message. Aborting connection.
  13533. System.InvalidOperationException: Writing is not allowed after writer was completed.
  13534. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  13535. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  13536. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  13537. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  13538. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  13539. Failed writing message. Aborting connection.
  13540. System.InvalidOperationException: Writing is not allowed after writer was completed.
  13541. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  13542. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  13543. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  13544. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  13545. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  13546. Failed writing message. Aborting connection.
  13547. System.InvalidOperationException: Writing is not allowed after writer was completed.
  13548. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  13549. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  13550. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  13551. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  13552. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  13553. Failed writing message. Aborting connection.
  13554. System.InvalidOperationException: Writing is not allowed after writer was completed.
  13555. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  13556. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  13557. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  13558. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  13559. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  13560. Failed writing message. Aborting connection.
  13561. System.InvalidOperationException: Writing is not allowed after writer was completed.
  13562. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  13563. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  13564. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  13565. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  13566. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  13567. Failed writing message. Aborting connection.
  13568. System.InvalidOperationException: Writing is not allowed after writer was completed.
  13569. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  13570. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  13571. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  13572. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  13573. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  13574. Failed writing message. Aborting connection.
  13575. System.InvalidOperationException: Writing is not allowed after writer was completed.
  13576. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  13577. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  13578. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  13579. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  13580. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  13581. Failed writing message. Aborting connection.
  13582. System.InvalidOperationException: Writing is not allowed after writer was completed.
  13583. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  13584. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  13585. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  13586. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  13587. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  13588. Failed writing message. Aborting connection.
  13589. System.InvalidOperationException: Writing is not allowed after writer was completed.
  13590. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  13591. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  13592. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  13593. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  13594. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  13595. Failed writing message. Aborting connection.
  13596. System.InvalidOperationException: Writing is not allowed after writer was completed.
  13597. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  13598. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  13599. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  13600. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  13601. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  13602. Failed writing message. Aborting connection.
  13603. System.InvalidOperationException: Writing is not allowed after writer was completed.
  13604. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  13605. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  13606. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  13607. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  13608. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  13609. Failed writing message. Aborting connection.
  13610. System.InvalidOperationException: Writing is not allowed after writer was completed.
  13611. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  13612. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  13613. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  13614. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  13615. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  13616. Failed writing message. Aborting connection.
  13617. System.InvalidOperationException: Writing is not allowed after writer was completed.
  13618. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  13619. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  13620. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  13621. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  13622. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  13623. Failed writing message. Aborting connection.
  13624. System.InvalidOperationException: Writing is not allowed after writer was completed.
  13625. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  13626. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  13627. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  13628. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  13629. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  13630. Failed writing message. Aborting connection.
  13631. System.InvalidOperationException: Writing is not allowed after writer was completed.
  13632. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  13633. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  13634. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  13635. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  13636. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  13637. Failed writing message. Aborting connection.
  13638. System.InvalidOperationException: Writing is not allowed after writer was completed.
  13639. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  13640. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  13641. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  13642. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  13643. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  13644. Failed writing message. Aborting connection.
  13645. System.InvalidOperationException: Writing is not allowed after writer was completed.
  13646. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  13647. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  13648. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  13649. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  13650. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  13651. Failed writing message. Aborting connection.
  13652. System.InvalidOperationException: Writing is not allowed after writer was completed.
  13653. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  13654. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  13655. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  13656. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  13657. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  13658. Failed writing message. Aborting connection.
  13659. System.InvalidOperationException: Writing is not allowed after writer was completed.
  13660. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  13661. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  13662. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  13663. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  13664. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  13665. Failed writing message. Aborting connection.
  13666. System.InvalidOperationException: Writing is not allowed after writer was completed.
  13667. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  13668. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  13669. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  13670. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  13671. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  13672. Failed writing message. Aborting connection.
  13673. System.InvalidOperationException: Writing is not allowed after writer was completed.
  13674. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  13675. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  13676. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  13677. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  13678. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  13679. Failed writing message. Aborting connection.
  13680. System.InvalidOperationException: Writing is not allowed after writer was completed.
  13681. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  13682. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  13683. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  13684. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  13685. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  13686. Failed writing message. Aborting connection.
  13687. System.InvalidOperationException: Writing is not allowed after writer was completed.
  13688. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  13689. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  13690. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  13691. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  13692. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  13693. Failed writing message. Aborting connection.
  13694. System.InvalidOperationException: Writing is not allowed after writer was completed.
  13695. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  13696. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  13697. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  13698. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  13699. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  13700. Failed writing message. Aborting connection.
  13701. System.InvalidOperationException: Writing is not allowed after writer was completed.
  13702. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  13703. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  13704. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  13705. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  13706. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  13707. Failed writing message. Aborting connection.
  13708. System.InvalidOperationException: Writing is not allowed after writer was completed.
  13709. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  13710. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  13711. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  13712. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  13713. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  13714. Failed writing message. Aborting connection.
  13715. System.InvalidOperationException: Writing is not allowed after writer was completed.
  13716. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  13717. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  13718. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  13719. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  13720. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  13721. Failed writing message. Aborting connection.
  13722. System.InvalidOperationException: Writing is not allowed after writer was completed.
  13723. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  13724. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  13725. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  13726. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  13727. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  13728. Failed writing message. Aborting connection.
  13729. System.InvalidOperationException: Writing is not allowed after writer was completed.
  13730. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  13731. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  13732. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  13733. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  13734. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  13735. Failed writing message. Aborting connection.
  13736. System.InvalidOperationException: Writing is not allowed after writer was completed.
  13737. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  13738. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  13739. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  13740. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  13741. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  13742. Failed writing message. Aborting connection.
  13743. System.InvalidOperationException: Writing is not allowed after writer was completed.
  13744. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  13745. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  13746. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  13747. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  13748. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  13749. Failed writing message. Aborting connection.
  13750. System.InvalidOperationException: Writing is not allowed after writer was completed.
  13751. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  13752. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  13753. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  13754. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  13755. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  13756. Failed writing message. Aborting connection.
  13757. System.InvalidOperationException: Writing is not allowed after writer was completed.
  13758. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  13759. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  13760. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  13761. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  13762. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  13763. Failed writing message. Aborting connection.
  13764. System.InvalidOperationException: Writing is not allowed after writer was completed.
  13765. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  13766. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  13767. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  13768. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  13769. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  13770. Failed writing message. Aborting connection.
  13771. System.InvalidOperationException: Writing is not allowed after writer was completed.
  13772. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  13773. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  13774. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  13775. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  13776. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  13777. Failed writing message. Aborting connection.
  13778. System.InvalidOperationException: Writing is not allowed after writer was completed.
  13779. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  13780. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  13781. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  13782. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  13783. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  13784. Failed writing message. Aborting connection.
  13785. System.InvalidOperationException: Writing is not allowed after writer was completed.
  13786. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  13787. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  13788. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  13789. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  13790. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  13791. Failed writing message. Aborting connection.
  13792. System.InvalidOperationException: Writing is not allowed after writer was completed.
  13793. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  13794. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  13795. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  13796. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  13797. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  13798. Failed writing message. Aborting connection.
  13799. System.InvalidOperationException: Writing is not allowed after writer was completed.
  13800. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  13801. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  13802. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  13803. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  13804. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  13805. Failed writing message. Aborting connection.
  13806. System.InvalidOperationException: Writing is not allowed after writer was completed.
  13807. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  13808. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  13809. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  13810. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  13811. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  13812. Failed writing message. Aborting connection.
  13813. System.InvalidOperationException: Writing is not allowed after writer was completed.
  13814. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  13815. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  13816. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  13817. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  13818. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  13819. Failed writing message. Aborting connection.
  13820. System.InvalidOperationException: Writing is not allowed after writer was completed.
  13821. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  13822. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  13823. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  13824. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  13825. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  13826. Failed writing message. Aborting connection.
  13827. System.InvalidOperationException: Writing is not allowed after writer was completed.
  13828. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  13829. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  13830. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  13831. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  13832. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  13833. Failed writing message. Aborting connection.
  13834. System.InvalidOperationException: Writing is not allowed after writer was completed.
  13835. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  13836. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  13837. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  13838. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  13839. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  13840. Failed writing message. Aborting connection.
  13841. System.InvalidOperationException: Writing is not allowed after writer was completed.
  13842. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  13843. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  13844. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  13845. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  13846. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  13847. Failed writing message. Aborting connection.
  13848. System.InvalidOperationException: Writing is not allowed after writer was completed.
  13849. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  13850. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  13851. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  13852. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  13853. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  13854. Failed writing message. Aborting connection.
  13855. System.InvalidOperationException: Writing is not allowed after writer was completed.
  13856. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  13857. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  13858. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  13859. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  13860. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  13861. Failed writing message. Aborting connection.
  13862. System.InvalidOperationException: Writing is not allowed after writer was completed.
  13863. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  13864. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  13865. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  13866. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  13867. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  13868. Failed writing message. Aborting connection.
  13869. System.InvalidOperationException: Writing is not allowed after writer was completed.
  13870. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  13871. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  13872. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  13873. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  13874. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  13875. Failed writing message. Aborting connection.
  13876. System.InvalidOperationException: Writing is not allowed after writer was completed.
  13877. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  13878. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  13879. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  13880. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  13881. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  13882. Failed writing message. Aborting connection.
  13883. System.InvalidOperationException: Writing is not allowed after writer was completed.
  13884. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  13885. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  13886. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  13887. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  13888. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  13889. Failed writing message. Aborting connection.
  13890. System.InvalidOperationException: Writing is not allowed after writer was completed.
  13891. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  13892. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  13893. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  13894. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  13895. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  13896. Failed writing message. Aborting connection.
  13897. System.InvalidOperationException: Writing is not allowed after writer was completed.
  13898. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  13899. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  13900. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  13901. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  13902. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  13903. Failed writing message. Aborting connection.
  13904. System.InvalidOperationException: Writing is not allowed after writer was completed.
  13905. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  13906. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  13907. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  13908. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  13909. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  13910. Failed writing message. Aborting connection.
  13911. System.InvalidOperationException: Writing is not allowed after writer was completed.
  13912. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  13913. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  13914. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  13915. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  13916. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  13917. Failed writing message. Aborting connection.
  13918. System.InvalidOperationException: Writing is not allowed after writer was completed.
  13919. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  13920. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  13921. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  13922. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  13923. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  13924. Failed writing message. Aborting connection.
  13925. System.InvalidOperationException: Writing is not allowed after writer was completed.
  13926. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  13927. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  13928. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  13929. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  13930. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  13931. Failed writing message. Aborting connection.
  13932. System.InvalidOperationException: Writing is not allowed after writer was completed.
  13933. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  13934. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  13935. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  13936. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  13937. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  13938. Failed writing message. Aborting connection.
  13939. System.InvalidOperationException: Writing is not allowed after writer was completed.
  13940. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  13941. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  13942. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  13943. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  13944. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  13945. Failed writing message. Aborting connection.
  13946. System.InvalidOperationException: Writing is not allowed after writer was completed.
  13947. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  13948. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  13949. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  13950. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  13951. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  13952. Failed writing message. Aborting connection.
  13953. System.InvalidOperationException: Writing is not allowed after writer was completed.
  13954. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  13955. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  13956. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  13957. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  13958. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  13959. Failed writing message. Aborting connection.
  13960. System.InvalidOperationException: Writing is not allowed after writer was completed.
  13961. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  13962. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  13963. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  13964. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  13965. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  13966. Failed writing message. Aborting connection.
  13967. System.InvalidOperationException: Writing is not allowed after writer was completed.
  13968. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  13969. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  13970. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  13971. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  13972. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  13973. Failed writing message. Aborting connection.
  13974. System.InvalidOperationException: Writing is not allowed after writer was completed.
  13975. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  13976. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  13977. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  13978. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  13979. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  13980. Failed writing message. Aborting connection.
  13981. System.InvalidOperationException: Writing is not allowed after writer was completed.
  13982. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  13983. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  13984. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  13985. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  13986. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  13987. Failed writing message. Aborting connection.
  13988. System.InvalidOperationException: Writing is not allowed after writer was completed.
  13989. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  13990. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  13991. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  13992. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  13993. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  13994. Failed writing message. Aborting connection.
  13995. System.InvalidOperationException: Writing is not allowed after writer was completed.
  13996. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  13997. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  13998. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  13999. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  14000. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  14001. Failed writing message. Aborting connection.
  14002. System.InvalidOperationException: Writing is not allowed after writer was completed.
  14003. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  14004. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  14005. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  14006. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  14007. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  14008. Failed writing message. Aborting connection.
  14009. System.InvalidOperationException: Writing is not allowed after writer was completed.
  14010. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  14011. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  14012. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  14013. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  14014. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  14015. Failed writing message. Aborting connection.
  14016. System.InvalidOperationException: Writing is not allowed after writer was completed.
  14017. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  14018. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  14019. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  14020. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  14021. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  14022. Failed writing message. Aborting connection.
  14023. System.InvalidOperationException: Writing is not allowed after writer was completed.
  14024. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  14025. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  14026. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  14027. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  14028. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  14029. Failed writing message. Aborting connection.
  14030. System.InvalidOperationException: Writing is not allowed after writer was completed.
  14031. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  14032. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  14033. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  14034. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  14035. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  14036. Failed writing message. Aborting connection.
  14037. System.InvalidOperationException: Writing is not allowed after writer was completed.
  14038. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  14039. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  14040. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  14041. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  14042. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  14043. Failed writing message. Aborting connection.
  14044. System.InvalidOperationException: Writing is not allowed after writer was completed.
  14045. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  14046. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  14047. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  14048. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  14049. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  14050. Failed writing message. Aborting connection.
  14051. System.InvalidOperationException: Writing is not allowed after writer was completed.
  14052. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  14053. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  14054. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  14055. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  14056. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  14057. Failed writing message. Aborting connection.
  14058. System.InvalidOperationException: Writing is not allowed after writer was completed.
  14059. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  14060. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  14061. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  14062. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  14063. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  14064. Failed writing message. Aborting connection.
  14065. System.InvalidOperationException: Writing is not allowed after writer was completed.
  14066. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  14067. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  14068. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  14069. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  14070. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  14071. Failed writing message. Aborting connection.
  14072. System.InvalidOperationException: Writing is not allowed after writer was completed.
  14073. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  14074. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  14075. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  14076. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  14077. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  14078. Failed writing message. Aborting connection.
  14079. System.InvalidOperationException: Writing is not allowed after writer was completed.
  14080. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  14081. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  14082. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  14083. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  14084. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  14085. Failed writing message. Aborting connection.
  14086. System.InvalidOperationException: Writing is not allowed after writer was completed.
  14087. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  14088. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  14089. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  14090. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  14091. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  14092. Failed writing message. Aborting connection.
  14093. System.InvalidOperationException: Writing is not allowed after writer was completed.
  14094. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  14095. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  14096. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  14097. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  14098. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  14099. Failed writing message. Aborting connection.
  14100. System.InvalidOperationException: Writing is not allowed after writer was completed.
  14101. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  14102. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  14103. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  14104. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  14105. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  14106. Failed writing message. Aborting connection.
  14107. System.InvalidOperationException: Writing is not allowed after writer was completed.
  14108. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  14109. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  14110. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  14111. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  14112. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  14113. Failed writing message. Aborting connection.
  14114. System.InvalidOperationException: Writing is not allowed after writer was completed.
  14115. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  14116. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  14117. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  14118. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  14119. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  14120. Failed writing message. Aborting connection.
  14121. System.InvalidOperationException: Writing is not allowed after writer was completed.
  14122. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  14123. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  14124. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  14125. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  14126. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  14127. Failed writing message. Aborting connection.
  14128. System.InvalidOperationException: Writing is not allowed after writer was completed.
  14129. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  14130. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  14131. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  14132. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  14133. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  14134. Failed writing message. Aborting connection.
  14135. System.InvalidOperationException: Writing is not allowed after writer was completed.
  14136. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  14137. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  14138. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  14139. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  14140. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  14141. Failed writing message. Aborting connection.
  14142. System.InvalidOperationException: Writing is not allowed after writer was completed.
  14143. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  14144. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  14145. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  14146. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  14147. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  14148. Failed writing message. Aborting connection.
  14149. System.InvalidOperationException: Writing is not allowed after writer was completed.
  14150. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  14151. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  14152. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  14153. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  14154. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  14155. Failed writing message. Aborting connection.
  14156. System.InvalidOperationException: Writing is not allowed after writer was completed.
  14157. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  14158. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  14159. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  14160. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  14161. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  14162. Failed writing message. Aborting connection.
  14163. System.InvalidOperationException: Writing is not allowed after writer was completed.
  14164. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  14165. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  14166. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  14167. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  14168. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  14169. Failed writing message. Aborting connection.
  14170. System.InvalidOperationException: Writing is not allowed after writer was completed.
  14171. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  14172. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  14173. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  14174. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  14175. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  14176. Failed writing message. Aborting connection.
  14177. System.InvalidOperationException: Writing is not allowed after writer was completed.
  14178. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  14179. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  14180. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  14181. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  14182. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  14183. Failed writing message. Aborting connection.
  14184. System.InvalidOperationException: Writing is not allowed after writer was completed.
  14185. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  14186. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  14187. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  14188. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  14189. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  14190. Failed writing message. Aborting connection.
  14191. System.InvalidOperationException: Writing is not allowed after writer was completed.
  14192. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  14193. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  14194. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  14195. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  14196. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  14197. Failed writing message. Aborting connection.
  14198. System.InvalidOperationException: Writing is not allowed after writer was completed.
  14199. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  14200. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  14201. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  14202. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  14203. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  14204. Failed writing message. Aborting connection.
  14205. System.InvalidOperationException: Writing is not allowed after writer was completed.
  14206. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  14207. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  14208. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  14209. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  14210. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  14211. Failed writing message. Aborting connection.
  14212. System.InvalidOperationException: Writing is not allowed after writer was completed.
  14213. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  14214. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  14215. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  14216. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  14217. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  14218. Failed writing message. Aborting connection.
  14219. System.InvalidOperationException: Writing is not allowed after writer was completed.
  14220. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  14221. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  14222. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  14223. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  14224. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  14225. Failed writing message. Aborting connection.
  14226. System.InvalidOperationException: Writing is not allowed after writer was completed.
  14227. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  14228. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  14229. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  14230. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  14231. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  14232. Failed writing message. Aborting connection.
  14233. System.InvalidOperationException: Writing is not allowed after writer was completed.
  14234. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  14235. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  14236. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  14237. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  14238. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  14239. Failed writing message. Aborting connection.
  14240. System.InvalidOperationException: Writing is not allowed after writer was completed.
  14241. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  14242. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  14243. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  14244. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  14245. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  14246. Failed writing message. Aborting connection.
  14247. System.InvalidOperationException: Writing is not allowed after writer was completed.
  14248. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  14249. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  14250. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  14251. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  14252. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  14253. Failed writing message. Aborting connection.
  14254. System.InvalidOperationException: Writing is not allowed after writer was completed.
  14255. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  14256. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  14257. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  14258. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  14259. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  14260. Failed writing message. Aborting connection.
  14261. System.InvalidOperationException: Writing is not allowed after writer was completed.
  14262. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  14263. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  14264. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  14265. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  14266. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  14267. Failed writing message. Aborting connection.
  14268. System.InvalidOperationException: Writing is not allowed after writer was completed.
  14269. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  14270. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  14271. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  14272. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  14273. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  14274. Failed writing message. Aborting connection.
  14275. System.InvalidOperationException: Writing is not allowed after writer was completed.
  14276. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  14277. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  14278. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  14279. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  14280. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  14281. Failed writing message. Aborting connection.
  14282. System.InvalidOperationException: Writing is not allowed after writer was completed.
  14283. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  14284. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  14285. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  14286. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  14287. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  14288. Failed writing message. Aborting connection.
  14289. System.InvalidOperationException: Writing is not allowed after writer was completed.
  14290. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  14291. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  14292. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  14293. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  14294. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  14295. Failed writing message. Aborting connection.
  14296. System.InvalidOperationException: Writing is not allowed after writer was completed.
  14297. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  14298. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  14299. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  14300. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  14301. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  14302. Failed writing message. Aborting connection.
  14303. System.InvalidOperationException: Writing is not allowed after writer was completed.
  14304. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  14305. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  14306. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  14307. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  14308. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  14309. Failed writing message. Aborting connection.
  14310. System.InvalidOperationException: Writing is not allowed after writer was completed.
  14311. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  14312. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  14313. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  14314. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  14315. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  14316. Failed writing message. Aborting connection.
  14317. System.InvalidOperationException: Writing is not allowed after writer was completed.
  14318. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  14319. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  14320. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  14321. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  14322. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  14323. Failed writing message. Aborting connection.
  14324. System.InvalidOperationException: Writing is not allowed after writer was completed.
  14325. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  14326. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  14327. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  14328. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  14329. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  14330. Failed writing message. Aborting connection.
  14331. System.InvalidOperationException: Writing is not allowed after writer was completed.
  14332. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  14333. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  14334. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  14335. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  14336. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  14337. Failed writing message. Aborting connection.
  14338. System.InvalidOperationException: Writing is not allowed after writer was completed.
  14339. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  14340. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  14341. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  14342. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  14343. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  14344. Failed writing message. Aborting connection.
  14345. System.InvalidOperationException: Writing is not allowed after writer was completed.
  14346. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  14347. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  14348. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  14349. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  14350. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  14351. Failed writing message. Aborting connection.
  14352. System.InvalidOperationException: Writing is not allowed after writer was completed.
  14353. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  14354. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  14355. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  14356. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  14357. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  14358. Failed writing message. Aborting connection.
  14359. System.InvalidOperationException: Writing is not allowed after writer was completed.
  14360. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  14361. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  14362. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  14363. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  14364. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  14365. Failed writing message. Aborting connection.
  14366. System.InvalidOperationException: Writing is not allowed after writer was completed.
  14367. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  14368. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  14369. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  14370. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  14371. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  14372. Failed writing message. Aborting connection.
  14373. System.InvalidOperationException: Writing is not allowed after writer was completed.
  14374. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  14375. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  14376. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  14377. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  14378. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  14379. Failed writing message. Aborting connection.
  14380. System.InvalidOperationException: Writing is not allowed after writer was completed.
  14381. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  14382. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  14383. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  14384. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  14385. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  14386. Failed writing message. Aborting connection.
  14387. System.InvalidOperationException: Writing is not allowed after writer was completed.
  14388. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  14389. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  14390. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  14391. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  14392. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  14393. Failed writing message. Aborting connection.
  14394. System.InvalidOperationException: Writing is not allowed after writer was completed.
  14395. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  14396. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  14397. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  14398. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  14399. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  14400. Failed writing message. Aborting connection.
  14401. System.InvalidOperationException: Writing is not allowed after writer was completed.
  14402. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  14403. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  14404. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  14405. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  14406. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  14407. Failed writing message. Aborting connection.
  14408. System.InvalidOperationException: Writing is not allowed after writer was completed.
  14409. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  14410. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  14411. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  14412. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  14413. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  14414. Failed writing message. Aborting connection.
  14415. System.InvalidOperationException: Writing is not allowed after writer was completed.
  14416. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  14417. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  14418. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  14419. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  14420. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  14421. Failed writing message. Aborting connection.
  14422. System.InvalidOperationException: Writing is not allowed after writer was completed.
  14423. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  14424. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  14425. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  14426. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  14427. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  14428. Failed writing message. Aborting connection.
  14429. System.InvalidOperationException: Writing is not allowed after writer was completed.
  14430. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  14431. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  14432. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  14433. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  14434. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  14435. Failed writing message. Aborting connection.
  14436. System.InvalidOperationException: Writing is not allowed after writer was completed.
  14437. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  14438. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  14439. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  14440. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  14441. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  14442. Failed writing message. Aborting connection.
  14443. System.InvalidOperationException: Writing is not allowed after writer was completed.
  14444. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  14445. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  14446. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  14447. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  14448. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  14449. Failed writing message. Aborting connection.
  14450. System.InvalidOperationException: Writing is not allowed after writer was completed.
  14451. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  14452. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  14453. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  14454. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  14455. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  14456. Failed writing message. Aborting connection.
  14457. System.InvalidOperationException: Writing is not allowed after writer was completed.
  14458. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  14459. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  14460. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  14461. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  14462. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  14463. Failed writing message. Aborting connection.
  14464. System.InvalidOperationException: Writing is not allowed after writer was completed.
  14465. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  14466. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  14467. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  14468. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  14469. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  14470. Failed writing message. Aborting connection.
  14471. System.InvalidOperationException: Writing is not allowed after writer was completed.
  14472. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  14473. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  14474. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  14475. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  14476. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  14477. Failed writing message. Aborting connection.
  14478. System.InvalidOperationException: Writing is not allowed after writer was completed.
  14479. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  14480. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  14481. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  14482. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  14483. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  14484. Failed writing message. Aborting connection.
  14485. System.InvalidOperationException: Writing is not allowed after writer was completed.
  14486. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  14487. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  14488. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  14489. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  14490. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  14491. Failed writing message. Aborting connection.
  14492. System.InvalidOperationException: Writing is not allowed after writer was completed.
  14493. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  14494. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  14495. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  14496. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  14497. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  14498. Failed writing message. Aborting connection.
  14499. System.InvalidOperationException: Writing is not allowed after writer was completed.
  14500. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  14501. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  14502. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  14503. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  14504. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  14505. Failed writing message. Aborting connection.
  14506. System.InvalidOperationException: Writing is not allowed after writer was completed.
  14507. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  14508. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  14509. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  14510. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  14511. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  14512. Failed writing message. Aborting connection.
  14513. System.InvalidOperationException: Writing is not allowed after writer was completed.
  14514. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  14515. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  14516. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  14517. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  14518. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  14519. Failed writing message. Aborting connection.
  14520. System.InvalidOperationException: Writing is not allowed after writer was completed.
  14521. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  14522. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  14523. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  14524. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  14525. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  14526. Failed writing message. Aborting connection.
  14527. System.InvalidOperationException: Writing is not allowed after writer was completed.
  14528. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  14529. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  14530. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  14531. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  14532. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  14533. Failed writing message. Aborting connection.
  14534. System.InvalidOperationException: Writing is not allowed after writer was completed.
  14535. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  14536. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  14537. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  14538. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  14539. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  14540. Failed writing message. Aborting connection.
  14541. System.InvalidOperationException: Writing is not allowed after writer was completed.
  14542. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  14543. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  14544. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  14545. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  14546. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  14547. Failed writing message. Aborting connection.
  14548. System.InvalidOperationException: Writing is not allowed after writer was completed.
  14549. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  14550. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  14551. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  14552. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  14553. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  14554. Failed writing message. Aborting connection.
  14555. System.InvalidOperationException: Writing is not allowed after writer was completed.
  14556. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  14557. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  14558. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  14559. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  14560. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  14561. Failed writing message. Aborting connection.
  14562. System.InvalidOperationException: Writing is not allowed after writer was completed.
  14563. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  14564. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  14565. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  14566. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  14567. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  14568. Failed writing message. Aborting connection.
  14569. System.InvalidOperationException: Writing is not allowed after writer was completed.
  14570. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  14571. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  14572. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  14573. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  14574. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  14575. Failed writing message. Aborting connection.
  14576. System.InvalidOperationException: Writing is not allowed after writer was completed.
  14577. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  14578. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  14579. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  14580. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  14581. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  14582. Failed writing message. Aborting connection.
  14583. System.InvalidOperationException: Writing is not allowed after writer was completed.
  14584. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  14585. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  14586. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  14587. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  14588. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  14589. Failed writing message. Aborting connection.
  14590. System.InvalidOperationException: Writing is not allowed after writer was completed.
  14591. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  14592. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  14593. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  14594. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  14595. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  14596. Failed writing message. Aborting connection.
  14597. System.InvalidOperationException: Writing is not allowed after writer was completed.
  14598. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  14599. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  14600. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  14601. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  14602. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  14603. Failed writing message. Aborting connection.
  14604. System.InvalidOperationException: Writing is not allowed after writer was completed.
  14605. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  14606. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  14607. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  14608. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  14609. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  14610. Failed writing message. Aborting connection.
  14611. System.InvalidOperationException: Writing is not allowed after writer was completed.
  14612. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  14613. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  14614. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  14615. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  14616. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  14617. Failed writing message. Aborting connection.
  14618. System.InvalidOperationException: Writing is not allowed after writer was completed.
  14619. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  14620. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  14621. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  14622. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  14623. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  14624. Failed writing message. Aborting connection.
  14625. System.InvalidOperationException: Writing is not allowed after writer was completed.
  14626. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  14627. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  14628. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  14629. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  14630. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  14631. Failed writing message. Aborting connection.
  14632. System.InvalidOperationException: Writing is not allowed after writer was completed.
  14633. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  14634. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  14635. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  14636. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  14637. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  14638. Failed writing message. Aborting connection.
  14639. System.InvalidOperationException: Writing is not allowed after writer was completed.
  14640. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  14641. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  14642. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  14643. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  14644. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  14645. Failed writing message. Aborting connection.
  14646. System.InvalidOperationException: Writing is not allowed after writer was completed.
  14647. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  14648. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  14649. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  14650. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  14651. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  14652. Failed writing message. Aborting connection.
  14653. System.InvalidOperationException: Writing is not allowed after writer was completed.
  14654. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  14655. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  14656. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  14657. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  14658. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  14659. Failed writing message. Aborting connection.
  14660. System.InvalidOperationException: Writing is not allowed after writer was completed.
  14661. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  14662. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  14663. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  14664. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  14665. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  14666. Failed writing message. Aborting connection.
  14667. System.InvalidOperationException: Writing is not allowed after writer was completed.
  14668. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  14669. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  14670. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  14671. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  14672. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  14673. Failed writing message. Aborting connection.
  14674. System.InvalidOperationException: Writing is not allowed after writer was completed.
  14675. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  14676. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  14677. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  14678. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  14679. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  14680. Failed writing message. Aborting connection.
  14681. System.InvalidOperationException: Writing is not allowed after writer was completed.
  14682. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  14683. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  14684. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  14685. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  14686. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  14687. Failed writing message. Aborting connection.
  14688. System.InvalidOperationException: Writing is not allowed after writer was completed.
  14689. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  14690. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  14691. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  14692. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  14693. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  14694. Failed writing message. Aborting connection.
  14695. System.InvalidOperationException: Writing is not allowed after writer was completed.
  14696. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  14697. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  14698. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  14699. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  14700. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  14701. Failed writing message. Aborting connection.
  14702. System.InvalidOperationException: Writing is not allowed after writer was completed.
  14703. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  14704. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  14705. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  14706. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  14707. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  14708. Failed writing message. Aborting connection.
  14709. System.InvalidOperationException: Writing is not allowed after writer was completed.
  14710. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  14711. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  14712. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  14713. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  14714. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  14715. Failed writing message. Aborting connection.
  14716. System.InvalidOperationException: Writing is not allowed after writer was completed.
  14717. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  14718. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  14719. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  14720. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  14721. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  14722. Failed writing message. Aborting connection.
  14723. System.InvalidOperationException: Writing is not allowed after writer was completed.
  14724. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  14725. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  14726. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  14727. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  14728. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  14729. Failed writing message. Aborting connection.
  14730. System.InvalidOperationException: Writing is not allowed after writer was completed.
  14731. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  14732. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  14733. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  14734. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  14735. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  14736. Failed writing message. Aborting connection.
  14737. System.InvalidOperationException: Writing is not allowed after writer was completed.
  14738. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  14739. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  14740. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  14741. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  14742. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  14743. Failed writing message. Aborting connection.
  14744. System.InvalidOperationException: Writing is not allowed after writer was completed.
  14745. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  14746. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  14747. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  14748. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  14749. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  14750. Failed writing message. Aborting connection.
  14751. System.InvalidOperationException: Writing is not allowed after writer was completed.
  14752. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  14753. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  14754. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  14755. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  14756. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  14757. Failed writing message. Aborting connection.
  14758. System.InvalidOperationException: Writing is not allowed after writer was completed.
  14759. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  14760. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  14761. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  14762. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  14763. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  14764. Failed writing message. Aborting connection.
  14765. System.InvalidOperationException: Writing is not allowed after writer was completed.
  14766. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  14767. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  14768. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  14769. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  14770. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  14771. Failed writing message. Aborting connection.
  14772. System.InvalidOperationException: Writing is not allowed after writer was completed.
  14773. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  14774. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  14775. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  14776. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  14777. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  14778. Failed writing message. Aborting connection.
  14779. System.InvalidOperationException: Writing is not allowed after writer was completed.
  14780. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  14781. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  14782. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  14783. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  14784. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  14785. Failed writing message. Aborting connection.
  14786. System.InvalidOperationException: Writing is not allowed after writer was completed.
  14787. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  14788. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  14789. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  14790. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  14791. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  14792. Failed writing message. Aborting connection.
  14793. System.InvalidOperationException: Writing is not allowed after writer was completed.
  14794. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  14795. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  14796. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  14797. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  14798. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  14799. Failed writing message. Aborting connection.
  14800. System.InvalidOperationException: Writing is not allowed after writer was completed.
  14801. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  14802. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  14803. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  14804. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  14805. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  14806. Failed writing message. Aborting connection.
  14807. System.InvalidOperationException: Writing is not allowed after writer was completed.
  14808. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  14809. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  14810. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  14811. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  14812. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  14813. Failed writing message. Aborting connection.
  14814. System.InvalidOperationException: Writing is not allowed after writer was completed.
  14815. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  14816. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  14817. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  14818. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  14819. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  14820. Failed writing message. Aborting connection.
  14821. System.InvalidOperationException: Writing is not allowed after writer was completed.
  14822. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  14823. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  14824. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  14825. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  14826. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  14827. Failed writing message. Aborting connection.
  14828. System.InvalidOperationException: Writing is not allowed after writer was completed.
  14829. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  14830. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  14831. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  14832. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  14833. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  14834. Failed writing message. Aborting connection.
  14835. System.InvalidOperationException: Writing is not allowed after writer was completed.
  14836. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  14837. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  14838. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  14839. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  14840. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  14841. Failed writing message. Aborting connection.
  14842. System.InvalidOperationException: Writing is not allowed after writer was completed.
  14843. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  14844. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  14845. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  14846. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  14847. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  14848. Failed writing message. Aborting connection.
  14849. System.InvalidOperationException: Writing is not allowed after writer was completed.
  14850. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  14851. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  14852. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  14853. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  14854. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  14855. Failed writing message. Aborting connection.
  14856. System.InvalidOperationException: Writing is not allowed after writer was completed.
  14857. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  14858. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  14859. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  14860. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  14861. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  14862. Failed writing message. Aborting connection.
  14863. System.InvalidOperationException: Writing is not allowed after writer was completed.
  14864. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  14865. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  14866. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  14867. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  14868. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  14869. Failed writing message. Aborting connection.
  14870. System.InvalidOperationException: Writing is not allowed after writer was completed.
  14871. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  14872. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  14873. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  14874. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  14875. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  14876. Failed writing message. Aborting connection.
  14877. System.InvalidOperationException: Writing is not allowed after writer was completed.
  14878. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  14879. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  14880. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  14881. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  14882. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  14883. Failed writing message. Aborting connection.
  14884. System.InvalidOperationException: Writing is not allowed after writer was completed.
  14885. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  14886. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  14887. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  14888. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  14889. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  14890. Failed writing message. Aborting connection.
  14891. System.InvalidOperationException: Writing is not allowed after writer was completed.
  14892. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  14893. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  14894. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  14895. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  14896. [00:25:15] Current: 78168, peak: 92506, connected: 0, disconnected: 8852, rate: -8852/s
  14897. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  14898. Heartbeat took longer than "00:00:01" at "05/21/2019 10:00:25 +00:00".
  14899. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  14900. Failed writing message. Aborting connection.
  14901. System.InvalidOperationException: Writing is not allowed after writer was completed.
  14902. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  14903. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  14904. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  14905. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  14906. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  14907. Failed writing message. Aborting connection.
  14908. System.InvalidOperationException: Writing is not allowed after writer was completed.
  14909. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  14910. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  14911. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  14912. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  14913. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  14914. Failed writing message. Aborting connection.
  14915. System.InvalidOperationException: Writing is not allowed after writer was completed.
  14916. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  14917. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  14918. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  14919. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  14920. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  14921. Failed writing message. Aborting connection.
  14922. System.InvalidOperationException: Writing is not allowed after writer was completed.
  14923. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  14924. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  14925. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  14926. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  14927. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  14928. Failed writing message. Aborting connection.
  14929. System.InvalidOperationException: Writing is not allowed after writer was completed.
  14930. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  14931. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  14932. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  14933. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  14934. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  14935. Failed writing message. Aborting connection.
  14936. System.InvalidOperationException: Writing is not allowed after writer was completed.
  14937. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  14938. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  14939. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  14940. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  14941. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  14942. Failed writing message. Aborting connection.
  14943. System.InvalidOperationException: Writing is not allowed after writer was completed.
  14944. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  14945. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  14946. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  14947. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  14948. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  14949. Failed writing message. Aborting connection.
  14950. System.InvalidOperationException: Writing is not allowed after writer was completed.
  14951. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  14952. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  14953. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  14954. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  14955. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  14956. Failed writing message. Aborting connection.
  14957. System.InvalidOperationException: Writing is not allowed after writer was completed.
  14958. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  14959. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  14960. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  14961. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  14962. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  14963. Failed writing message. Aborting connection.
  14964. System.InvalidOperationException: Writing is not allowed after writer was completed.
  14965. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  14966. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  14967. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  14968. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  14969. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  14970. Failed writing message. Aborting connection.
  14971. System.InvalidOperationException: Writing is not allowed after writer was completed.
  14972. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  14973. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  14974. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  14975. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  14976. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  14977. Failed writing message. Aborting connection.
  14978. System.InvalidOperationException: Writing is not allowed after writer was completed.
  14979. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  14980. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  14981. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  14982. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  14983. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  14984. Failed writing message. Aborting connection.
  14985. System.InvalidOperationException: Writing is not allowed after writer was completed.
  14986. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  14987. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  14988. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  14989. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  14990. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  14991. Failed writing message. Aborting connection.
  14992. System.InvalidOperationException: Writing is not allowed after writer was completed.
  14993. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  14994. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  14995. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  14996. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  14997. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  14998. Failed writing message. Aborting connection.
  14999. System.InvalidOperationException: Writing is not allowed after writer was completed.
  15000. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  15001. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  15002. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  15003. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  15004. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  15005. Failed writing message. Aborting connection.
  15006. System.InvalidOperationException: Writing is not allowed after writer was completed.
  15007. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  15008. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  15009. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  15010. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  15011. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  15012. Failed writing message. Aborting connection.
  15013. System.InvalidOperationException: Writing is not allowed after writer was completed.
  15014. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  15015. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  15016. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  15017. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  15018. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  15019. Failed writing message. Aborting connection.
  15020. System.InvalidOperationException: Writing is not allowed after writer was completed.
  15021. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  15022. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  15023. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  15024. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  15025. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  15026. Failed writing message. Aborting connection.
  15027. System.InvalidOperationException: Writing is not allowed after writer was completed.
  15028. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  15029. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  15030. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  15031. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  15032. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  15033. Failed writing message. Aborting connection.
  15034. System.InvalidOperationException: Writing is not allowed after writer was completed.
  15035. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  15036. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  15037. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  15038. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  15039. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  15040. Failed writing message. Aborting connection.
  15041. System.InvalidOperationException: Writing is not allowed after writer was completed.
  15042. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  15043. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  15044. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  15045. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  15046. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  15047. Failed writing message. Aborting connection.
  15048. System.InvalidOperationException: Writing is not allowed after writer was completed.
  15049. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  15050. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  15051. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  15052. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  15053. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  15054. Failed writing message. Aborting connection.
  15055. System.InvalidOperationException: Writing is not allowed after writer was completed.
  15056. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  15057. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  15058. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  15059. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  15060. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  15061. Failed writing message. Aborting connection.
  15062. System.InvalidOperationException: Writing is not allowed after writer was completed.
  15063. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  15064. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  15065. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  15066. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  15067. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  15068. Failed writing message. Aborting connection.
  15069. System.InvalidOperationException: Writing is not allowed after writer was completed.
  15070. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  15071. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  15072. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  15073. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  15074. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  15075. Failed writing message. Aborting connection.
  15076. System.InvalidOperationException: Writing is not allowed after writer was completed.
  15077. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  15078. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  15079. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  15080. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  15081. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  15082. Failed writing message. Aborting connection.
  15083. System.InvalidOperationException: Writing is not allowed after writer was completed.
  15084. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  15085. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  15086. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  15087. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  15088. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  15089. Failed writing message. Aborting connection.
  15090. System.InvalidOperationException: Writing is not allowed after writer was completed.
  15091. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  15092. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  15093. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  15094. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  15095. [00:25:16] Current: 76214, peak: 92506, connected: 0, disconnected: 1954, rate: -1954/s
  15096. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  15097. Failed writing message. Aborting connection.
  15098. System.InvalidOperationException: Writing is not allowed after writer was completed.
  15099. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  15100. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  15101. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  15102. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  15103. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  15104. Heartbeat took longer than "00:00:01" at "05/21/2019 10:00:26 +00:00".
  15105. [00:25:17] Current: 74718, peak: 92506, connected: 0, disconnected: 1496, rate: -1496/s
  15106. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  15107. Heartbeat took longer than "00:00:01" at "05/21/2019 10:00:27 +00:00".
  15108. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  15109. Heartbeat took longer than "00:00:01" at "05/21/2019 10:00:27 +00:00".
  15110. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  15111. Heartbeat took longer than "00:00:01" at "05/21/2019 10:00:27 +00:00".
  15112. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  15113. Heartbeat took longer than "00:00:01" at "05/21/2019 10:00:27 +00:00".
  15114. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  15115. Failed writing message. Aborting connection.
  15116. System.InvalidOperationException: Writing is not allowed after writer was completed.
  15117. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  15118. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  15119. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  15120. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  15121. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  15122. Failed writing message. Aborting connection.
  15123. System.InvalidOperationException: Writing is not allowed after writer was completed.
  15124. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  15125. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  15126. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  15127. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  15128. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  15129. Failed writing message. Aborting connection.
  15130. System.InvalidOperationException: Writing is not allowed after writer was completed.
  15131. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  15132. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  15133. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  15134. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  15135. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  15136. Failed writing message. Aborting connection.
  15137. System.InvalidOperationException: Writing is not allowed after writer was completed.
  15138. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  15139. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  15140. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  15141. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  15142. [00:25:18] Current: 71636, peak: 92506, connected: 0, disconnected: 3082, rate: -3082/s
  15143. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  15144. Heartbeat took longer than "00:00:01" at "05/21/2019 10:00:30 +00:00".
  15145. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  15146. Heartbeat took longer than "00:00:01" at "05/21/2019 10:00:30 +00:00".
  15147. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  15148. Failed writing message. Aborting connection.
  15149. System.InvalidOperationException: Writing is not allowed after writer was completed.
  15150. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  15151. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  15152. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  15153. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  15154. [00:25:24] Current: 26178, peak: 92506, connected: 0, disconnected: 45458, rate: -45458/s
  15155. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  15156. Heartbeat took longer than "00:00:01" at "05/21/2019 10:00:33 +00:00".
  15157. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  15158. Heartbeat took longer than "00:00:01" at "05/21/2019 10:00:34 +00:00".
  15159. [00:25:26] Current: 5626, peak: 92506, connected: 0, disconnected: 20552, rate: -20552/s
  15160. [00:25:27] Current: 5471, peak: 92506, connected: 555, disconnected: 710, rate: -155/s
  15161. [00:25:28] Current: 5945, peak: 92506, connected: 474, disconnected: 0, rate: 474/s
  15162. [00:25:29] Current: 6567, peak: 92506, connected: 622, disconnected: 0, rate: 622/s
  15163. [00:25:30] Current: 7281, peak: 92506, connected: 714, disconnected: 0, rate: 714/s
  15164. [00:25:31] Current: 7664, peak: 92506, connected: 383, disconnected: 0, rate: 383/s
  15165. [00:25:32] Current: 8401, peak: 92506, connected: 737, disconnected: 0, rate: 737/s
  15166. [00:25:33] Current: 8923, peak: 92506, connected: 522, disconnected: 0, rate: 522/s
  15167. [00:25:34] Current: 9529, peak: 92506, connected: 606, disconnected: 0, rate: 606/s
  15168. [00:25:35] Current: 10164, peak: 92506, connected: 635, disconnected: 0, rate: 635/s
  15169. [00:25:36] Current: 10655, peak: 92506, connected: 491, disconnected: 0, rate: 491/s
  15170. [00:25:37] Current: 11280, peak: 92506, connected: 625, disconnected: 0, rate: 625/s
  15171. [00:25:38] Current: 11822, peak: 92506, connected: 542, disconnected: 0, rate: 542/s
  15172. [00:25:39] Current: 12166, peak: 92506, connected: 344, disconnected: 0, rate: 344/s
  15173. [00:25:40] Current: 12531, peak: 92506, connected: 365, disconnected: 0, rate: 365/s
  15174. [00:25:41] Current: 12842, peak: 92506, connected: 311, disconnected: 0, rate: 311/s
  15175. [00:25:42] Current: 13131, peak: 92506, connected: 289, disconnected: 0, rate: 289/s
  15176. [00:25:43] Current: 13242, peak: 92506, connected: 111, disconnected: 0, rate: 111/s
  15177. [00:25:44] Current: 13539, peak: 92506, connected: 297, disconnected: 0, rate: 297/s
  15178. [00:25:45] Current: 13830, peak: 92506, connected: 291, disconnected: 0, rate: 291/s
  15179. [00:25:46] Current: 14130, peak: 92506, connected: 300, disconnected: 0, rate: 300/s
  15180. [00:25:47] Current: 14367, peak: 92506, connected: 237, disconnected: 0, rate: 237/s
  15181. [00:25:48] Current: 14640, peak: 92506, connected: 273, disconnected: 0, rate: 273/s
  15182. [00:25:49] Current: 14880, peak: 92506, connected: 240, disconnected: 0, rate: 240/s
  15183. [00:25:50] Current: 15172, peak: 92506, connected: 292, disconnected: 0, rate: 292/s
  15184. [00:25:51] Current: 15459, peak: 92506, connected: 287, disconnected: 0, rate: 287/s
  15185. [00:25:52] Current: 15674, peak: 92506, connected: 215, disconnected: 0, rate: 215/s
  15186. [00:25:53] Current: 15953, peak: 92506, connected: 279, disconnected: 0, rate: 279/s
  15187. [00:25:54] Current: 16245, peak: 92506, connected: 292, disconnected: 0, rate: 292/s
  15188. [00:25:55] Current: 16524, peak: 92506, connected: 279, disconnected: 0, rate: 279/s
  15189. [00:25:56] Current: 16725, peak: 92506, connected: 201, disconnected: 0, rate: 201/s
  15190. [00:25:57] Current: 17011, peak: 92506, connected: 286, disconnected: 0, rate: 286/s
  15191. [00:25:58] Current: 17306, peak: 92506, connected: 295, disconnected: 0, rate: 295/s
  15192. [00:25:59] Current: 17578, peak: 92506, connected: 272, disconnected: 0, rate: 272/s
  15193. [00:26:00] Current: 17818, peak: 92506, connected: 240, disconnected: 0, rate: 240/s
  15194. [00:26:01] Current: 17918, peak: 92506, connected: 100, disconnected: 0, rate: 100/s
  15195. [00:26:02] Current: 18184, peak: 92506, connected: 266, disconnected: 0, rate: 266/s
  15196. [00:26:03] Current: 18445, peak: 92506, connected: 261, disconnected: 0, rate: 261/s
  15197. [00:26:04] Current: 18681, peak: 92506, connected: 236, disconnected: 0, rate: 236/s
  15198. [00:26:05] Current: 18874, peak: 92506, connected: 193, disconnected: 0, rate: 193/s
  15199. [00:26:06] Current: 19160, peak: 92506, connected: 286, disconnected: 0, rate: 286/s
  15200. [00:26:07] Current: 19427, peak: 92506, connected: 267, disconnected: 0, rate: 267/s
  15201. [00:26:08] Current: 19684, peak: 92506, connected: 257, disconnected: 0, rate: 257/s
  15202. [00:26:09] Current: 19906, peak: 92506, connected: 222, disconnected: 0, rate: 222/s
  15203. [00:26:10] Current: 20174, peak: 92506, connected: 268, disconnected: 0, rate: 268/s
  15204. [00:26:11] Current: 20460, peak: 92506, connected: 286, disconnected: 0, rate: 286/s
  15205. [00:26:12] Current: 20754, peak: 92506, connected: 294, disconnected: 0, rate: 294/s
  15206. [00:26:13] Current: 21033, peak: 92506, connected: 279, disconnected: 0, rate: 279/s
  15207. [00:26:14] Current: 21223, peak: 92506, connected: 190, disconnected: 0, rate: 190/s
  15208. [00:26:15] Current: 21505, peak: 92506, connected: 282, disconnected: 0, rate: 282/s
  15209. [00:26:16] Current: 21753, peak: 92506, connected: 248, disconnected: 0, rate: 248/s
  15210. [00:26:17] Current: 22052, peak: 92506, connected: 299, disconnected: 0, rate: 299/s
  15211. [00:26:18] Current: 22146, peak: 92506, connected: 94, disconnected: 0, rate: 94/s
  15212. [00:26:19] Current: 22378, peak: 92506, connected: 232, disconnected: 0, rate: 232/s
  15213. [00:26:20] Current: 22651, peak: 92506, connected: 273, disconnected: 0, rate: 273/s
  15214. [00:26:21] Current: 22819, peak: 92506, connected: 168, disconnected: 0, rate: 168/s
  15215. [00:26:22] Current: 23058, peak: 92506, connected: 239, disconnected: 0, rate: 239/s
  15216. [00:26:23] Current: 23353, peak: 92506, connected: 295, disconnected: 0, rate: 295/s
  15217. [00:26:25] Current: 23629, peak: 92506, connected: 276, disconnected: 0, rate: 276/s
  15218. [00:26:26] Current: 23929, peak: 92506, connected: 300, disconnected: 0, rate: 300/s
  15219. [00:26:27] Current: 24177, peak: 92506, connected: 248, disconnected: 0, rate: 248/s
  15220. [00:26:28] Current: 24459, peak: 92506, connected: 282, disconnected: 0, rate: 282/s
  15221. [00:26:29] Current: 24659, peak: 92506, connected: 200, disconnected: 0, rate: 200/s
  15222. [00:26:30] Current: 24929, peak: 92506, connected: 270, disconnected: 0, rate: 270/s
  15223. [00:26:31] Current: 25144, peak: 92506, connected: 215, disconnected: 0, rate: 215/s
  15224. [00:26:32] Current: 25444, peak: 92506, connected: 300, disconnected: 0, rate: 300/s
  15225. [00:26:33] Current: 25620, peak: 92506, connected: 176, disconnected: 0, rate: 176/s
  15226. [00:26:34] Current: 25822, peak: 92506, connected: 202, disconnected: 0, rate: 202/s
  15227. [00:26:35] Current: 25969, peak: 92506, connected: 147, disconnected: 0, rate: 147/s
  15228. [00:26:36] Current: 26246, peak: 92506, connected: 277, disconnected: 0, rate: 277/s
  15229. [00:26:37] Current: 26333, peak: 92506, connected: 87, disconnected: 0, rate: 87/s
  15230. [00:26:38] Current: 26509, peak: 92506, connected: 176, disconnected: 0, rate: 176/s
  15231. [00:26:39] Current: 26743, peak: 92506, connected: 234, disconnected: 0, rate: 234/s
  15232. [00:26:40] Current: 26981, peak: 92506, connected: 238, disconnected: 0, rate: 238/s
  15233. [00:26:41] Current: 27267, peak: 92506, connected: 286, disconnected: 0, rate: 286/s
  15234. [00:26:42] Current: 27543, peak: 92506, connected: 276, disconnected: 0, rate: 276/s
  15235. [00:26:43] Current: 27815, peak: 92506, connected: 272, disconnected: 0, rate: 272/s
  15236. [00:26:44] Current: 28104, peak: 92506, connected: 289, disconnected: 0, rate: 289/s
  15237. [00:26:45] Current: 28343, peak: 92506, connected: 239, disconnected: 0, rate: 239/s
  15238. [00:26:46] Current: 28621, peak: 92506, connected: 278, disconnected: 0, rate: 278/s
  15239. [00:26:47] Current: 28845, peak: 92506, connected: 224, disconnected: 0, rate: 224/s
  15240. [00:26:48] Current: 29108, peak: 92506, connected: 263, disconnected: 0, rate: 263/s
  15241. [00:26:49] Current: 29152, peak: 92506, connected: 44, disconnected: 0, rate: 44/s
  15242. [00:26:50] Current: 29444, peak: 92506, connected: 292, disconnected: 0, rate: 292/s
  15243. [00:26:51] Current: 29689, peak: 92506, connected: 245, disconnected: 0, rate: 245/s
  15244. [00:26:52] Current: 29952, peak: 92506, connected: 263, disconnected: 0, rate: 263/s
  15245. [00:26:53] Current: 30191, peak: 92506, connected: 239, disconnected: 0, rate: 239/s
  15246. [00:26:54] Current: 30465, peak: 92506, connected: 274, disconnected: 0, rate: 274/s
  15247. [00:26:55] Current: 30750, peak: 92506, connected: 285, disconnected: 0, rate: 285/s
  15248. [00:26:56] Current: 31007, peak: 92506, connected: 257, disconnected: 0, rate: 257/s
  15249. [00:26:57] Current: 31282, peak: 92506, connected: 275, disconnected: 0, rate: 275/s
  15250. [00:26:58] Current: 31563, peak: 92506, connected: 281, disconnected: 0, rate: 281/s
  15251. [00:26:59] Current: 31862, peak: 92506, connected: 299, disconnected: 0, rate: 299/s
  15252. [00:27:00] Current: 32121, peak: 92506, connected: 259, disconnected: 0, rate: 259/s
  15253. [00:27:02] Current: 32374, peak: 92506, connected: 253, disconnected: 0, rate: 253/s
  15254. [00:27:03] Current: 32574, peak: 92506, connected: 200, disconnected: 0, rate: 200/s
  15255. [00:27:04] Current: 32874, peak: 92506, connected: 300, disconnected: 0, rate: 300/s
  15256. [00:27:05] Current: 33086, peak: 92506, connected: 212, disconnected: 0, rate: 212/s
  15257. [00:27:06] Current: 33385, peak: 92506, connected: 299, disconnected: 0, rate: 299/s
  15258. [00:27:07] Current: 33646, peak: 92506, connected: 261, disconnected: 0, rate: 261/s
  15259. [00:27:08] Current: 33811, peak: 92506, connected: 165, disconnected: 0, rate: 165/s
  15260. [00:27:09] Current: 34011, peak: 92506, connected: 200, disconnected: 0, rate: 200/s
  15261. [00:27:10] Current: 34258, peak: 92506, connected: 247, disconnected: 0, rate: 247/s
  15262. [00:27:11] Current: 34511, peak: 92506, connected: 253, disconnected: 0, rate: 253/s
  15263. [00:27:12] Current: 34511, peak: 92506, connected: 0, disconnected: 0, rate: 0/s
  15264. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  15265. Heartbeat took longer than "00:00:01" at "05/21/2019 10:02:22 +00:00".
  15266. [00:27:13] Current: 34711, peak: 92506, connected: 200, disconnected: 0, rate: 200/s
  15267. [00:27:14] Current: 34974, peak: 92506, connected: 263, disconnected: 0, rate: 263/s
  15268. [00:27:15] Current: 35130, peak: 92506, connected: 156, disconnected: 0, rate: 156/s
  15269. [00:27:16] Current: 35382, peak: 92506, connected: 252, disconnected: 0, rate: 252/s
  15270. [00:27:17] Current: 35630, peak: 92506, connected: 248, disconnected: 0, rate: 248/s
  15271. [00:27:18] Current: 35847, peak: 92506, connected: 217, disconnected: 0, rate: 217/s
  15272. [00:27:19] Current: 36085, peak: 92506, connected: 238, disconnected: 0, rate: 238/s
  15273. [00:27:20] Current: 36347, peak: 92506, connected: 262, disconnected: 0, rate: 262/s
  15274. [00:27:21] Current: 36590, peak: 92506, connected: 243, disconnected: 0, rate: 243/s
  15275. [00:27:22] Current: 36688, peak: 92506, connected: 98, disconnected: 0, rate: 98/s
  15276. [00:27:23] Current: 36790, peak: 92506, connected: 102, disconnected: 0, rate: 102/s
  15277. [00:27:24] Current: 37087, peak: 92506, connected: 297, disconnected: 0, rate: 297/s
  15278. [00:27:25] Current: 37290, peak: 92506, connected: 203, disconnected: 0, rate: 203/s
  15279. [00:27:26] Current: 37490, peak: 92506, connected: 200, disconnected: 0, rate: 200/s
  15280. [00:27:27] Current: 37789, peak: 92506, connected: 299, disconnected: 0, rate: 299/s
  15281. [00:27:28] Current: 37889, peak: 92506, connected: 100, disconnected: 0, rate: 100/s
  15282. [00:27:30] Current: 37989, peak: 92506, connected: 100, disconnected: 0, rate: 100/s
  15283. [00:27:31] Current: 38189, peak: 92506, connected: 200, disconnected: 0, rate: 200/s
  15284. [00:27:32] Current: 38452, peak: 92506, connected: 263, disconnected: 0, rate: 263/s
  15285. [00:27:33] Current: 38712, peak: 92506, connected: 260, disconnected: 0, rate: 260/s
  15286. [00:27:34] Current: 38854, peak: 92506, connected: 142, disconnected: 0, rate: 142/s
  15287. [00:27:35] Current: 38854, peak: 92506, connected: 0, disconnected: 0, rate: 0/s
  15288. [00:27:36] Current: 39054, peak: 92506, connected: 200, disconnected: 0, rate: 200/s
  15289. [00:27:37] Current: 39252, peak: 92506, connected: 198, disconnected: 0, rate: 198/s
  15290. [00:27:38] Current: 39529, peak: 92506, connected: 277, disconnected: 0, rate: 277/s
  15291. [00:27:39] Current: 39652, peak: 92506, connected: 123, disconnected: 0, rate: 123/s
  15292. [00:27:40] Current: 39833, peak: 92506, connected: 181, disconnected: 0, rate: 181/s
  15293. [00:27:41] Current: 39932, peak: 92506, connected: 99, disconnected: 0, rate: 99/s
  15294. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  15295. Heartbeat took longer than "00:00:01" at "05/21/2019 10:02:51 +00:00".
  15296. [00:27:42] Current: 40061, peak: 92506, connected: 129, disconnected: 0, rate: 129/s
  15297. [00:27:43] Current: 40232, peak: 92506, connected: 171, disconnected: 0, rate: 171/s
  15298. [00:27:44] Current: 40495, peak: 92506, connected: 263, disconnected: 0, rate: 263/s
  15299. [00:27:45] Current: 40634, peak: 92506, connected: 139, disconnected: 0, rate: 139/s
  15300. [00:27:46] Current: 40861, peak: 92506, connected: 227, disconnected: 0, rate: 227/s
  15301. [00:27:47] Current: 41133, peak: 92506, connected: 272, disconnected: 0, rate: 272/s
  15302. [00:27:48] Current: 41393, peak: 92506, connected: 260, disconnected: 0, rate: 260/s
  15303. [00:27:50] Current: 41593, peak: 92506, connected: 200, disconnected: 0, rate: 200/s
  15304. [00:27:51] Current: 41658, peak: 92506, connected: 65, disconnected: 0, rate: 65/s
  15305. [00:27:52] Current: 41770, peak: 92506, connected: 112, disconnected: 0, rate: 112/s
  15306. [00:27:53] Current: 41993, peak: 92506, connected: 223, disconnected: 0, rate: 223/s
  15307. [00:27:54] Current: 42151, peak: 92506, connected: 158, disconnected: 0, rate: 158/s
  15308. [00:27:55] Current: 42192, peak: 92506, connected: 41, disconnected: 0, rate: 41/s
  15309. [00:27:56] Current: 42267, peak: 92506, connected: 75, disconnected: 0, rate: 75/s
  15310. [00:27:57] Current: 42487, peak: 92506, connected: 220, disconnected: 0, rate: 220/s
  15311. [00:27:58] Current: 42658, peak: 92506, connected: 171, disconnected: 0, rate: 171/s
  15312. [00:27:59] Current: 42900, peak: 92506, connected: 242, disconnected: 0, rate: 242/s
  15313. [00:28:00] Current: 42992, peak: 92506, connected: 92, disconnected: 0, rate: 92/s
  15314. [00:28:02] Current: 43158, peak: 92506, connected: 166, disconnected: 0, rate: 166/s
  15315. [00:28:03] Current: 43358, peak: 92506, connected: 200, disconnected: 0, rate: 200/s
  15316. [00:28:04] Current: 43571, peak: 92506, connected: 213, disconnected: 0, rate: 213/s
  15317. [00:28:05] Current: 43771, peak: 92506, connected: 200, disconnected: 0, rate: 200/s
  15318. [00:28:06] Current: 43958, peak: 92506, connected: 187, disconnected: 0, rate: 187/s
  15319. [00:28:07] Current: 44058, peak: 92506, connected: 100, disconnected: 0, rate: 100/s
  15320. [00:28:08] Current: 44182, peak: 92506, connected: 124, disconnected: 0, rate: 124/s
  15321. [00:28:09] Current: 44298, peak: 92506, connected: 116, disconnected: 0, rate: 116/s
  15322. [00:28:10] Current: 44538, peak: 92506, connected: 240, disconnected: 0, rate: 240/s
  15323. [00:28:11] Current: 44738, peak: 92506, connected: 200, disconnected: 0, rate: 200/s
  15324. [00:28:13] Current: 44938, peak: 92506, connected: 200, disconnected: 0, rate: 200/s
  15325. [00:28:14] Current: 45040, peak: 92506, connected: 102, disconnected: 0, rate: 102/s
  15326. [00:28:15] Current: 45338, peak: 92506, connected: 298, disconnected: 0, rate: 298/s
  15327. [00:28:16] Current: 45538, peak: 92506, connected: 200, disconnected: 0, rate: 200/s
  15328. [00:28:17] Current: 45792, peak: 92506, connected: 254, disconnected: 0, rate: 254/s
  15329. [00:28:18] Current: 45859, peak: 92506, connected: 67, disconnected: 0, rate: 67/s
  15330. [00:28:19] Current: 46058, peak: 92506, connected: 199, disconnected: 0, rate: 199/s
  15331. [00:28:20] Current: 46338, peak: 92506, connected: 280, disconnected: 0, rate: 280/s
  15332. [00:28:21] Current: 46459, peak: 92506, connected: 121, disconnected: 0, rate: 121/s
  15333. [00:28:22] Current: 46738, peak: 92506, connected: 279, disconnected: 0, rate: 279/s
  15334. [00:28:23] Current: 46938, peak: 92506, connected: 200, disconnected: 0, rate: 200/s
  15335. [00:28:24] Current: 47041, peak: 92506, connected: 103, disconnected: 0, rate: 103/s
  15336. [00:28:25] Current: 47138, peak: 92506, connected: 97, disconnected: 0, rate: 97/s
  15337. [00:28:26] Current: 47238, peak: 92506, connected: 100, disconnected: 0, rate: 100/s
  15338. [00:28:27] Current: 47538, peak: 92506, connected: 300, disconnected: 0, rate: 300/s
  15339. [00:28:29] Current: 47737, peak: 92506, connected: 199, disconnected: 0, rate: 199/s
  15340. [00:28:30] Current: 47879, peak: 92506, connected: 142, disconnected: 0, rate: 142/s
  15341. [00:28:31] Current: 48038, peak: 92506, connected: 159, disconnected: 0, rate: 159/s
  15342. [00:28:32] Current: 48338, peak: 92506, connected: 300, disconnected: 0, rate: 300/s
  15343. [00:28:33] Current: 48538, peak: 92506, connected: 200, disconnected: 0, rate: 200/s
  15344. [00:28:34] Current: 48583, peak: 92506, connected: 45, disconnected: 0, rate: 45/s
  15345. [00:28:35] Current: 48758, peak: 92506, connected: 175, disconnected: 0, rate: 175/s
  15346. [00:28:36] Current: 48992, peak: 92506, connected: 234, disconnected: 0, rate: 234/s
  15347. [00:28:37] Current: 49192, peak: 92506, connected: 200, disconnected: 0, rate: 200/s
  15348. [00:28:38] Current: 49416, peak: 92506, connected: 224, disconnected: 0, rate: 224/s
  15349. [00:28:39] Current: 49656, peak: 92506, connected: 240, disconnected: 0, rate: 240/s
  15350. [00:28:40] Current: 49692, peak: 92506, connected: 36, disconnected: 0, rate: 36/s
  15351. [00:28:41] Current: 49778, peak: 92506, connected: 86, disconnected: 0, rate: 86/s
  15352. [00:28:42] Current: 49892, peak: 92506, connected: 114, disconnected: 0, rate: 114/s
  15353. [00:28:43] Current: 50127, peak: 92506, connected: 235, disconnected: 0, rate: 235/s
  15354. [00:28:44] Current: 50392, peak: 92506, connected: 265, disconnected: 0, rate: 265/s
  15355. [00:28:45] Current: 50400, peak: 92506, connected: 8, disconnected: 0, rate: 8/s
  15356. [00:28:46] Current: 50492, peak: 92506, connected: 92, disconnected: 0, rate: 92/s
  15357. [00:28:47] Current: 50699, peak: 92506, connected: 207, disconnected: 0, rate: 207/s
  15358. [00:28:48] Current: 50946, peak: 92506, connected: 247, disconnected: 0, rate: 247/s
  15359. [00:28:49] Current: 51146, peak: 92506, connected: 200, disconnected: 0, rate: 200/s
  15360. [00:28:50] Current: 51393, peak: 92506, connected: 247, disconnected: 0, rate: 247/s
  15361. [00:28:51] Current: 51394, peak: 92506, connected: 1, disconnected: 0, rate: 1/s
  15362. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  15363. Heartbeat took longer than "00:00:01" at "05/21/2019 10:04:01 +00:00".
  15364. [00:28:53] Current: 51473, peak: 92506, connected: 79, disconnected: 0, rate: 79/s
  15365. [00:28:54] Current: 51494, peak: 92506, connected: 21, disconnected: 0, rate: 21/s
  15366. [00:28:56] Current: 51494, peak: 92506, connected: 0, disconnected: 0, rate: 0/s
  15367. [00:28:57] Current: 51494, peak: 92506, connected: 0, disconnected: 0, rate: 0/s
  15368. [00:28:58] Current: 51494, peak: 92506, connected: 0, disconnected: 0, rate: 0/s
  15369. [00:28:59] Current: 51573, peak: 92506, connected: 79, disconnected: 0, rate: 79/s
  15370. [00:29:00] Current: 51573, peak: 92506, connected: 0, disconnected: 0, rate: 0/s
  15371. [00:29:01] Current: 51573, peak: 92506, connected: 0, disconnected: 0, rate: 0/s
  15372. [00:29:02] Current: 51673, peak: 92506, connected: 100, disconnected: 0, rate: 100/s
  15373. [00:29:03] Current: 51773, peak: 92506, connected: 100, disconnected: 0, rate: 100/s
  15374. [00:29:04] Current: 51960, peak: 92506, connected: 187, disconnected: 0, rate: 187/s
  15375. [00:29:05] Current: 52200, peak: 92506, connected: 240, disconnected: 0, rate: 240/s
  15376. [00:29:06] Current: 52463, peak: 92506, connected: 263, disconnected: 0, rate: 263/s
  15377. [00:29:07] Current: 52663, peak: 92506, connected: 200, disconnected: 0, rate: 200/s
  15378. [00:29:08] Current: 52803, peak: 92506, connected: 140, disconnected: 0, rate: 140/s
  15379. [00:29:09] Current: 53016, peak: 92506, connected: 213, disconnected: 0, rate: 213/s
  15380. [00:29:11] Current: 53207, peak: 92506, connected: 191, disconnected: 0, rate: 191/s
  15381. [00:29:12] Current: 53207, peak: 92506, connected: 0, disconnected: 0, rate: 0/s
  15382. [00:29:13] Current: 53407, peak: 92506, connected: 200, disconnected: 0, rate: 200/s
  15383. [00:29:14] Current: 53595, peak: 92506, connected: 188, disconnected: 0, rate: 188/s
  15384. [00:29:16] Current: 53783, peak: 92506, connected: 188, disconnected: 0, rate: 188/s
  15385. [00:29:17] Current: 53877, peak: 92506, connected: 94, disconnected: 0, rate: 94/s
  15386. [00:29:18] Current: 53971, peak: 92506, connected: 94, disconnected: 0, rate: 94/s
  15387. [00:29:19] Current: 54265, peak: 92506, connected: 294, disconnected: 0, rate: 294/s
  15388. [00:29:21] Current: 54376, peak: 92506, connected: 111, disconnected: 0, rate: 111/s
  15389. [00:29:22] Current: 54564, peak: 92506, connected: 188, disconnected: 0, rate: 188/s
  15390. [00:29:23] Current: 54764, peak: 92506, connected: 200, disconnected: 0, rate: 200/s
  15391. [00:29:24] Current: 54864, peak: 92506, connected: 100, disconnected: 0, rate: 100/s
  15392. [00:29:25] Current: 55064, peak: 92506, connected: 200, disconnected: 0, rate: 200/s
  15393. [00:29:27] Current: 55202, peak: 92506, connected: 138, disconnected: 0, rate: 138/s
  15394. [00:29:28] Current: 55297, peak: 92506, connected: 95, disconnected: 0, rate: 95/s
  15395. [00:29:29] Current: 55403, peak: 92506, connected: 106, disconnected: 0, rate: 106/s
  15396. [00:29:30] Current: 55645, peak: 92506, connected: 242, disconnected: 0, rate: 242/s
  15397. [00:29:31] Current: 55918, peak: 92506, connected: 273, disconnected: 0, rate: 273/s
  15398. [00:29:32] Current: 56114, peak: 92506, connected: 196, disconnected: 0, rate: 196/s
  15399. [00:29:33] Current: 56232, peak: 92506, connected: 118, disconnected: 0, rate: 118/s
  15400. [00:29:34] Current: 56432, peak: 92506, connected: 200, disconnected: 0, rate: 200/s
  15401. [00:29:35] Current: 56452, peak: 92506, connected: 20, disconnected: 0, rate: 20/s
  15402. [00:29:36] Current: 56536, peak: 92506, connected: 84, disconnected: 0, rate: 84/s
  15403. [00:29:37] Current: 56736, peak: 92506, connected: 200, disconnected: 0, rate: 200/s
  15404. [00:29:38] Current: 57033, peak: 92506, connected: 297, disconnected: 0, rate: 297/s
  15405. [00:29:40] Current: 57233, peak: 92506, connected: 200, disconnected: 0, rate: 200/s
  15406. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  15407. Heartbeat took longer than "00:00:01" at "05/21/2019 10:04:50 +00:00".
  15408. [00:29:41] Current: 57334, peak: 92506, connected: 101, disconnected: 0, rate: 101/s
  15409. [00:29:42] Current: 57558, peak: 92506, connected: 224, disconnected: 0, rate: 224/s
  15410. [00:29:43] Current: 57836, peak: 92506, connected: 278, disconnected: 0, rate: 278/s
  15411. [00:29:45] Current: 57836, peak: 92506, connected: 0, disconnected: 0, rate: 0/s
  15412. [00:29:46] Current: 57933, peak: 92506, connected: 97, disconnected: 0, rate: 97/s
  15413. [00:29:47] Current: 58071, peak: 92506, connected: 138, disconnected: 0, rate: 138/s
  15414. [00:29:48] Current: 58151, peak: 92506, connected: 80, disconnected: 0, rate: 80/s
  15415. [00:29:49] Current: 58410, peak: 92506, connected: 259, disconnected: 0, rate: 259/s
  15416. [00:29:50] Current: 58447, peak: 92506, connected: 37, disconnected: 0, rate: 37/s
  15417. [00:29:51] Current: 58547, peak: 92506, connected: 100, disconnected: 0, rate: 100/s
  15418. [00:29:52] Current: 58747, peak: 92506, connected: 200, disconnected: 0, rate: 200/s
  15419. [00:29:53] Current: 58965, peak: 92506, connected: 218, disconnected: 0, rate: 218/s
  15420. [00:29:55] Current: 59179, peak: 92506, connected: 214, disconnected: 0, rate: 214/s
  15421. [00:29:56] Current: 59279, peak: 92506, connected: 100, disconnected: 0, rate: 100/s
  15422. [00:29:57] Current: 59540, peak: 92506, connected: 261, disconnected: 0, rate: 261/s
  15423. [00:29:58] Current: 59740, peak: 92506, connected: 200, disconnected: 0, rate: 200/s
  15424. [00:30:00] Current: 59944, peak: 92506, connected: 204, disconnected: 0, rate: 204/s
  15425. [00:30:01] Current: 59995, peak: 92506, connected: 51, disconnected: 0, rate: 51/s
  15426. [00:30:02] Current: 60139, peak: 92506, connected: 144, disconnected: 0, rate: 144/s
  15427. [00:30:03] Current: 60167, peak: 92506, connected: 28, disconnected: 0, rate: 28/s
  15428. [00:30:04] Current: 60167, peak: 92506, connected: 0, disconnected: 0, rate: 0/s
  15429. [00:30:05] Current: 60209, peak: 92506, connected: 42, disconnected: 0, rate: 42/s
  15430. [00:30:07] Current: 60224, peak: 92506, connected: 15, disconnected: 0, rate: 15/s
  15431. [00:30:09] Current: 60251, peak: 92506, connected: 27, disconnected: 0, rate: 27/s
  15432. [00:30:10] Current: 60251, peak: 92506, connected: 0, disconnected: 0, rate: 0/s
  15433. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  15434. Heartbeat took longer than "00:00:01" at "05/21/2019 10:05:20 +00:00".
  15435. [00:30:11] Current: 60251, peak: 92506, connected: 0, disconnected: 0, rate: 0/s
  15436. [00:30:12] Current: 60293, peak: 92506, connected: 42, disconnected: 0, rate: 42/s
  15437. [00:30:13] Current: 60308, peak: 92506, connected: 15, disconnected: 0, rate: 15/s
  15438. [00:30:14] Current: 60308, peak: 92506, connected: 0, disconnected: 0, rate: 0/s
  15439. [00:30:15] Current: 60334, peak: 92506, connected: 26, disconnected: 0, rate: 26/s
  15440. [00:30:16] Current: 60334, peak: 92506, connected: 0, disconnected: 0, rate: 0/s
  15441. [00:30:17] Current: 60334, peak: 92506, connected: 0, disconnected: 0, rate: 0/s
  15442. [00:30:18] Current: 60409, peak: 92506, connected: 75, disconnected: 0, rate: 75/s
  15443. [00:30:19] Current: 60479, peak: 92506, connected: 70, disconnected: 0, rate: 70/s
  15444. [00:30:20] Current: 60608, peak: 92506, connected: 129, disconnected: 0, rate: 129/s
  15445. [00:30:21] Current: 60726, peak: 92506, connected: 118, disconnected: 0, rate: 118/s
  15446. [00:30:22] Current: 60880, peak: 92506, connected: 154, disconnected: 0, rate: 154/s
  15447. [00:30:24] Current: 60985, peak: 92506, connected: 105, disconnected: 0, rate: 105/s
  15448. [00:30:25] Current: 61016, peak: 92506, connected: 31, disconnected: 0, rate: 31/s
  15449. [00:30:26] Current: 61088, peak: 92506, connected: 72, disconnected: 0, rate: 72/s
  15450. [00:30:27] Current: 61159, peak: 92506, connected: 71, disconnected: 0, rate: 71/s
  15451. [00:30:29] Current: 61239, peak: 92506, connected: 80, disconnected: 0, rate: 80/s
  15452. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  15453. Heartbeat took longer than "00:00:01" at "05/21/2019 10:05:39 +00:00".
  15454. [00:30:30] Current: 61296, peak: 92506, connected: 57, disconnected: 0, rate: 57/s
  15455. [00:30:31] Current: 61316, peak: 92506, connected: 20, disconnected: 0, rate: 20/s
  15456. [00:30:32] Current: 61333, peak: 92506, connected: 17, disconnected: 0, rate: 17/s
  15457. [00:30:33] Current: 61336, peak: 92506, connected: 3, disconnected: 0, rate: 3/s
  15458. [00:30:35] Current: 61338, peak: 92506, connected: 2, disconnected: 0, rate: 2/s
  15459. [00:30:36] Current: 61338, peak: 92506, connected: 0, disconnected: 0, rate: 0/s
  15460. [00:30:37] Current: 61339, peak: 92506, connected: 1, disconnected: 0, rate: 1/s
  15461. [00:30:38] Current: 61341, peak: 92506, connected: 2, disconnected: 0, rate: 2/s
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