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Standard_D2s_v3

staff0rd May 26th, 2019 74 Never
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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