staff0rd

Standard_D2s_v3

May 31st, 2019
109
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  1. Process ID: 1
  2. [00:00:01] Current: 108, peak: 108, connected: 103, disconnected: 0, rate: 103/s
  3. [00:00:02] Current: 268, peak: 268, connected: 160, disconnected: 0, rate: 160/s
  4. [00:00:03] Current: 427, peak: 427, connected: 159, disconnected: 0, rate: 159/s
  5. [00:00:03] Current: 590, peak: 590, connected: 163, disconnected: 0, rate: 163/s
  6. [00:00:05] Current: 753, peak: 753, connected: 163, disconnected: 0, rate: 163/s
  7. [00:00:06] Current: 924, peak: 924, connected: 171, disconnected: 0, rate: 171/s
  8. [00:00:07] Current: 1152, peak: 1152, connected: 228, disconnected: 0, rate: 228/s
  9. [00:00:07] Current: 1461, peak: 1461, connected: 309, disconnected: 0, rate: 309/s
  10. [00:00:09] Current: 1803, peak: 1803, connected: 342, disconnected: 0, rate: 342/s
  11. [00:00:10] Current: 2141, peak: 2141, connected: 338, disconnected: 0, rate: 338/s
  12. [00:00:11] Current: 2482, peak: 2482, connected: 341, disconnected: 0, rate: 341/s
  13. [00:00:12] Current: 2827, peak: 2827, connected: 345, disconnected: 0, rate: 345/s
  14. [00:00:12] Current: 3175, peak: 3175, connected: 348, disconnected: 0, rate: 348/s
  15. [00:00:13] Current: 3574, peak: 3574, connected: 399, disconnected: 0, rate: 399/s
  16. [00:00:14] Current: 3993, peak: 3993, connected: 419, disconnected: 0, rate: 419/s
  17. [00:00:16] Current: 4423, peak: 4423, connected: 430, disconnected: 0, rate: 430/s
  18. [00:00:16] Current: 4838, peak: 4838, connected: 415, disconnected: 0, rate: 415/s
  19. [00:00:17] Current: 5261, peak: 5261, connected: 423, disconnected: 0, rate: 423/s
  20. [00:00:19] Current: 5688, peak: 5688, connected: 427, disconnected: 0, rate: 427/s
  21. [00:00:20] Current: 6115, peak: 6115, connected: 427, disconnected: 0, rate: 427/s
  22. [00:00:21] Current: 6593, peak: 6593, connected: 478, disconnected: 0, rate: 478/s
  23. [00:00:22] Current: 7088, peak: 7088, connected: 495, disconnected: 0, rate: 495/s
  24. [00:00:23] Current: 7584, peak: 7584, connected: 496, disconnected: 0, rate: 496/s
  25. [00:00:24] Current: 8086, peak: 8086, connected: 502, disconnected: 0, rate: 502/s
  26. [00:00:25] Current: 8583, peak: 8583, connected: 497, disconnected: 0, rate: 497/s
  27. [00:00:26] Current: 9088, peak: 9088, connected: 505, disconnected: 0, rate: 505/s
  28. [00:00:26] Current: 9570, peak: 9570, connected: 482, disconnected: 0, rate: 482/s
  29. [00:00:27] Current: 10062, peak: 10062, connected: 492, disconnected: 0, rate: 492/s
  30. [00:00:29] Current: 10376, peak: 10376, connected: 314, disconnected: 0, rate: 314/s
  31. [00:00:30] Current: 10864, peak: 10864, connected: 488, disconnected: 0, rate: 488/s
  32. [00:00:31] Current: 11331, peak: 11331, connected: 467, disconnected: 0, rate: 467/s
  33. [00:00:32] Current: 11822, peak: 11822, connected: 491, disconnected: 0, rate: 491/s
  34. [00:00:33] Current: 12311, peak: 12311, connected: 489, disconnected: 0, rate: 489/s
  35. [00:00:34] Current: 12799, peak: 12799, connected: 488, disconnected: 0, rate: 488/s
  36. [00:00:35] Current: 13289, peak: 13289, connected: 490, disconnected: 0, rate: 490/s
  37. [00:00:36] Current: 13786, peak: 13786, connected: 497, disconnected: 0, rate: 497/s
  38. [00:00:37] Current: 14248, peak: 14248, connected: 462, disconnected: 0, rate: 462/s
  39. [00:00:38] Current: 14761, peak: 14761, connected: 513, disconnected: 0, rate: 513/s
  40. [00:00:39] Current: 15256, peak: 15256, connected: 495, disconnected: 0, rate: 495/s
  41. [00:00:40] Current: 15749, peak: 15749, connected: 493, disconnected: 0, rate: 493/s
  42. [00:00:41] Current: 16255, peak: 16255, connected: 506, disconnected: 0, rate: 506/s
  43. [00:00:42] Current: 16718, peak: 16718, connected: 463, disconnected: 0, rate: 463/s
  44. [00:00:43] Current: 17202, peak: 17202, connected: 484, disconnected: 0, rate: 484/s
  45. [00:00:44] Current: 17658, peak: 17658, connected: 456, disconnected: 0, rate: 456/s
  46. [00:00:45] Current: 18041, peak: 18041, connected: 383, disconnected: 0, rate: 383/s
  47. [00:00:46] Current: 18505, peak: 18505, connected: 464, disconnected: 0, rate: 464/s
  48. [00:00:47] Current: 18978, peak: 18978, connected: 473, disconnected: 0, rate: 473/s
  49. [00:00:48] Current: 19447, peak: 19447, connected: 469, disconnected: 0, rate: 469/s
  50. [00:00:49] Current: 19927, peak: 19927, connected: 480, disconnected: 0, rate: 480/s
  51. [00:00:50] Current: 20407, peak: 20407, connected: 480, disconnected: 0, rate: 480/s
  52. [00:00:51] Current: 20878, peak: 20878, connected: 471, disconnected: 0, rate: 471/s
  53. [00:00:52] Current: 21355, peak: 21355, connected: 477, disconnected: 0, rate: 477/s
  54. [00:00:53] Current: 21827, peak: 21827, connected: 472, disconnected: 0, rate: 472/s
  55. [00:00:54] Current: 22287, peak: 22287, connected: 460, disconnected: 0, rate: 460/s
  56. [00:00:55] Current: 22747, peak: 22747, connected: 460, disconnected: 0, rate: 460/s
  57. [00:00:56] Current: 23179, peak: 23179, connected: 432, disconnected: 0, rate: 432/s
  58. [00:00:57] Current: 23649, peak: 23649, connected: 470, disconnected: 0, rate: 470/s
  59. [00:00:58] Current: 24102, peak: 24102, connected: 453, disconnected: 0, rate: 453/s
  60. [00:00:59] Current: 24576, peak: 24576, connected: 474, disconnected: 0, rate: 474/s
  61. [00:01:00] Current: 25044, peak: 25044, connected: 468, disconnected: 0, rate: 468/s
  62. [00:01:01] Current: 25484, peak: 25484, connected: 440, disconnected: 0, rate: 440/s
  63. [00:01:02] Current: 25657, peak: 25657, connected: 173, disconnected: 0, rate: 173/s
  64. [00:01:03] Current: 26060, peak: 26060, connected: 403, disconnected: 0, rate: 403/s
  65. [00:01:04] Current: 26496, peak: 26496, connected: 436, disconnected: 0, rate: 436/s
  66. [00:01:05] Current: 26935, peak: 26935, connected: 439, disconnected: 0, rate: 439/s
  67. [00:01:06] Current: 27390, peak: 27390, connected: 455, disconnected: 0, rate: 455/s
  68. [00:01:07] Current: 27856, peak: 27856, connected: 466, disconnected: 0, rate: 466/s
  69. [00:01:08] Current: 28293, peak: 28293, connected: 437, disconnected: 0, rate: 437/s
  70. [00:01:09] Current: 28742, peak: 28742, connected: 449, disconnected: 0, rate: 449/s
  71. [00:01:10] Current: 29200, peak: 29200, connected: 458, disconnected: 0, rate: 458/s
  72. [00:01:11] Current: 29649, peak: 29649, connected: 449, disconnected: 0, rate: 449/s
  73. [00:01:12] Current: 30100, peak: 30100, connected: 451, disconnected: 0, rate: 451/s
  74. [00:01:13] Current: 30520, peak: 30520, connected: 420, disconnected: 0, rate: 420/s
  75. [00:01:14] Current: 30950, peak: 30950, connected: 430, disconnected: 0, rate: 430/s
  76. [00:01:15] Current: 31413, peak: 31413, connected: 463, disconnected: 0, rate: 463/s
  77. [00:01:17] Current: 31719, peak: 31719, connected: 306, disconnected: 0, rate: 306/s
  78. [00:01:18] Current: 32100, peak: 32100, connected: 381, disconnected: 0, rate: 381/s
  79. [00:01:19] Current: 32510, peak: 32510, connected: 410, disconnected: 0, rate: 410/s
  80. [00:01:20] Current: 32952, peak: 32952, connected: 442, disconnected: 0, rate: 442/s
  81. [00:01:21] Current: 33422, peak: 33422, connected: 470, disconnected: 0, rate: 470/s
  82. [00:01:22] Current: 33831, peak: 33831, connected: 409, disconnected: 0, rate: 409/s
  83. [00:01:23] Current: 34272, peak: 34272, connected: 441, disconnected: 0, rate: 441/s
  84. [00:01:24] Current: 34657, peak: 34657, connected: 385, disconnected: 0, rate: 385/s
  85. [00:01:25] Current: 35108, peak: 35108, connected: 451, disconnected: 0, rate: 451/s
  86. [00:01:26] Current: 35463, peak: 35463, connected: 355, disconnected: 0, rate: 355/s
  87. [00:01:27] Current: 35887, peak: 35887, connected: 424, disconnected: 0, rate: 424/s
  88. [00:01:28] Current: 36288, peak: 36288, connected: 401, disconnected: 0, rate: 401/s
  89. [00:01:29] Current: 36671, peak: 36671, connected: 383, disconnected: 0, rate: 383/s
  90. [00:01:31] Current: 37096, peak: 37096, connected: 425, disconnected: 0, rate: 425/s
  91. [00:01:32] Current: 37245, peak: 37245, connected: 149, disconnected: 0, rate: 149/s
  92. [00:01:33] Current: 37548, peak: 37548, connected: 303, disconnected: 0, rate: 303/s
  93. [00:01:34] Current: 37871, peak: 37871, connected: 323, disconnected: 0, rate: 323/s
  94. [00:01:35] Current: 38122, peak: 38122, connected: 251, disconnected: 0, rate: 251/s
  95. [00:01:36] Current: 38541, peak: 38541, connected: 419, disconnected: 0, rate: 419/s
  96. [00:01:37] Current: 38982, peak: 38982, connected: 441, disconnected: 0, rate: 441/s
  97. [00:01:38] Current: 39405, peak: 39405, connected: 423, disconnected: 0, rate: 423/s
  98. [00:01:39] Current: 39778, peak: 39778, connected: 373, disconnected: 0, rate: 373/s
  99. [00:01:40] Current: 40115, peak: 40115, connected: 337, disconnected: 0, rate: 337/s
  100. [00:01:41] Current: 40483, peak: 40483, connected: 368, disconnected: 0, rate: 368/s
  101. [00:01:42] Current: 40916, peak: 40916, connected: 433, disconnected: 0, rate: 433/s
  102. [00:01:43] Current: 41383, peak: 41383, connected: 467, disconnected: 0, rate: 467/s
  103. [00:01:45] Current: 41719, peak: 41719, connected: 336, disconnected: 0, rate: 336/s
  104. [00:01:46] Current: 41925, peak: 41925, connected: 206, disconnected: 0, rate: 206/s
  105. [00:01:47] Current: 42353, peak: 42353, connected: 428, disconnected: 0, rate: 428/s
  106. [00:01:48] Current: 42744, peak: 42744, connected: 391, disconnected: 0, rate: 391/s
  107. [00:01:49] Current: 43145, peak: 43145, connected: 401, disconnected: 0, rate: 401/s
  108. [00:01:50] Current: 43507, peak: 43507, connected: 362, disconnected: 0, rate: 362/s
  109. [00:01:51] Current: 43884, peak: 43884, connected: 377, disconnected: 0, rate: 377/s
  110. [00:01:52] Current: 44243, peak: 44243, connected: 359, disconnected: 0, rate: 359/s
  111. [00:01:53] Current: 44573, peak: 44573, connected: 330, disconnected: 0, rate: 330/s
  112. [00:01:54] Current: 44997, peak: 44997, connected: 424, disconnected: 0, rate: 424/s
  113. [00:01:55] Current: 45322, peak: 45322, connected: 325, disconnected: 0, rate: 325/s
  114. [00:01:56] Current: 45695, peak: 45695, connected: 373, disconnected: 0, rate: 373/s
  115. [00:01:57] Current: 46061, peak: 46061, connected: 366, disconnected: 0, rate: 366/s
  116. [00:02:00] Current: 46389, peak: 46389, connected: 328, disconnected: 0, rate: 328/s
  117. [00:02:01] Current: 46646, peak: 46646, connected: 257, disconnected: 0, rate: 257/s
  118. [00:02:02] Current: 47011, peak: 47011, connected: 365, disconnected: 0, rate: 365/s
  119. [00:02:03] Current: 47439, peak: 47439, connected: 428, disconnected: 0, rate: 428/s
  120. [00:02:04] Current: 47824, peak: 47824, connected: 385, disconnected: 0, rate: 385/s
  121. [00:02:05] Current: 48153, peak: 48153, connected: 329, disconnected: 0, rate: 329/s
  122. [00:02:06] Current: 48579, peak: 48579, connected: 426, disconnected: 0, rate: 426/s
  123. [00:02:07] Current: 48915, peak: 48915, connected: 336, disconnected: 0, rate: 336/s
  124. [00:02:08] Current: 49332, peak: 49332, connected: 417, disconnected: 0, rate: 417/s
  125. [00:02:09] Current: 49538, peak: 49538, connected: 206, disconnected: 0, rate: 206/s
  126. [00:02:10] Current: 49912, peak: 49912, connected: 374, disconnected: 0, rate: 374/s
  127. [00:02:11] Current: 50196, peak: 50196, connected: 284, disconnected: 0, rate: 284/s
  128. [00:02:12] Current: 50201, peak: 50201, connected: 5, disconnected: 0, rate: 5/s
  129. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  130. Heartbeat took longer than "00:00:01" at "06/01/2019 00:28:58 +00:00".
  131. [00:02:13] Current: 50246, peak: 50246, connected: 45, disconnected: 0, rate: 45/s
  132. [00:02:14] Current: 50641, peak: 50641, connected: 395, disconnected: 0, rate: 395/s
  133. [00:02:15] Current: 50964, peak: 50964, connected: 323, disconnected: 0, rate: 323/s
  134. [00:02:16] Current: 51307, peak: 51307, connected: 343, disconnected: 0, rate: 343/s
  135. [00:02:17] Current: 51695, peak: 51695, connected: 388, disconnected: 0, rate: 388/s
  136. [00:02:18] Current: 52096, peak: 52096, connected: 401, disconnected: 0, rate: 401/s
  137. [00:02:19] Current: 52479, peak: 52479, connected: 383, disconnected: 0, rate: 383/s
  138. [00:02:20] Current: 52614, peak: 52614, connected: 135, disconnected: 0, rate: 135/s
  139. [00:02:21] Current: 52707, peak: 52707, connected: 93, disconnected: 0, rate: 93/s
  140. [00:02:22] Current: 53073, peak: 53073, connected: 366, disconnected: 0, rate: 366/s
  141. [00:02:23] Current: 53382, peak: 53382, connected: 309, disconnected: 0, rate: 309/s
  142. [00:02:25] Current: 53672, peak: 53672, connected: 290, disconnected: 0, rate: 290/s
  143. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  144. Heartbeat took longer than "00:00:01" at "06/01/2019 00:29:11 +00:00".
  145. [00:02:26] Current: 53682, peak: 53682, connected: 10, disconnected: 0, rate: 10/s
  146. [00:02:27] Current: 53776, peak: 53776, connected: 94, disconnected: 0, rate: 94/s
  147. [00:02:28] Current: 53941, peak: 53941, connected: 165, disconnected: 0, rate: 165/s
  148. [00:02:29] Current: 54217, peak: 54217, connected: 276, disconnected: 0, rate: 276/s
  149. [00:02:31] Current: 54532, peak: 54532, connected: 315, disconnected: 0, rate: 315/s
  150. [00:02:32] Current: 54606, peak: 54606, connected: 74, disconnected: 0, rate: 74/s
  151. [00:02:33] Current: 54875, peak: 54875, connected: 269, disconnected: 0, rate: 269/s
  152. [00:02:35] Current: 55067, peak: 55067, connected: 192, disconnected: 0, rate: 192/s
  153. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  154. Heartbeat took longer than "00:00:01" at "06/01/2019 00:29:22 +00:00".
  155. [00:02:37] Current: 55149, peak: 55149, connected: 82, disconnected: 0, rate: 82/s
  156. [00:02:38] Current: 55167, peak: 55167, connected: 18, disconnected: 0, rate: 18/s
  157. [00:02:39] Current: 55427, peak: 55427, connected: 260, disconnected: 0, rate: 260/s
  158. [00:02:40] Current: 55780, peak: 55780, connected: 353, disconnected: 0, rate: 353/s
  159. [00:02:41] Current: 56171, peak: 56171, connected: 391, disconnected: 0, rate: 391/s
  160. [00:02:42] Current: 56291, peak: 56291, connected: 120, disconnected: 0, rate: 120/s
  161. [00:02:43] Current: 56697, peak: 56697, connected: 406, disconnected: 0, rate: 406/s
  162. [00:02:44] Current: 56930, peak: 56930, connected: 233, disconnected: 0, rate: 233/s
  163. [00:02:45] Current: 57225, peak: 57225, connected: 295, disconnected: 0, rate: 295/s
  164. [00:02:46] Current: 57330, peak: 57330, connected: 105, disconnected: 0, rate: 105/s
  165. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  166. Heartbeat took longer than "00:00:01" at "06/01/2019 00:29:33 +00:00".
  167. [00:02:47] Current: 57367, peak: 57367, connected: 37, disconnected: 0, rate: 37/s
  168. [00:02:48] Current: 57601, peak: 57601, connected: 234, disconnected: 0, rate: 234/s
  169. [00:02:49] Current: 57949, peak: 57949, connected: 348, disconnected: 0, rate: 348/s
  170. [00:02:50] Current: 58397, peak: 58397, connected: 448, disconnected: 0, rate: 448/s
  171. [00:02:51] Current: 58520, peak: 58520, connected: 123, disconnected: 0, rate: 123/s
  172. [00:02:52] Current: 58812, peak: 58812, connected: 292, disconnected: 0, rate: 292/s
  173. [00:02:53] Current: 59026, peak: 59026, connected: 214, disconnected: 0, rate: 214/s
  174. [00:02:54] Current: 59301, peak: 59301, connected: 275, disconnected: 0, rate: 275/s
  175. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  176. Heartbeat took longer than "00:00:01" at "06/01/2019 00:29:43 +00:00".
  177. [00:02:57] Current: 59675, peak: 59675, connected: 374, disconnected: 0, rate: 374/s
  178. [00:02:58] Current: 59700, peak: 59700, connected: 25, disconnected: 0, rate: 25/s
  179. [00:02:59] Current: 59792, peak: 59792, connected: 92, disconnected: 0, rate: 92/s
  180. [00:03:00] Current: 60048, peak: 60048, connected: 256, disconnected: 0, rate: 256/s
  181. [00:03:01] Current: 60392, peak: 60392, connected: 344, disconnected: 0, rate: 344/s
  182. [00:03:02] Current: 60692, peak: 60692, connected: 300, disconnected: 0, rate: 300/s
  183. [00:03:03] Current: 60743, peak: 60743, connected: 51, disconnected: 0, rate: 51/s
  184. [00:03:04] Current: 61000, peak: 61000, connected: 257, disconnected: 0, rate: 257/s
  185. [00:03:05] Current: 61348, peak: 61348, connected: 348, disconnected: 0, rate: 348/s
  186. [00:03:08] Current: 61649, peak: 61649, connected: 301, disconnected: 0, rate: 301/s
  187. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  188. Heartbeat took longer than "00:00:01" at "06/01/2019 00:29:54 +00:00".
  189. [00:03:09] Current: 61700, peak: 61700, connected: 51, disconnected: 0, rate: 51/s
  190. [00:03:10] Current: 61806, peak: 61806, connected: 106, disconnected: 0, rate: 106/s
  191. [00:03:11] Current: 62175, peak: 62175, connected: 369, disconnected: 0, rate: 369/s
  192. [00:03:12] Current: 62363, peak: 62363, connected: 188, disconnected: 0, rate: 188/s
  193. [00:03:13] Current: 62581, peak: 62581, connected: 218, disconnected: 0, rate: 218/s
  194. [00:03:14] Current: 62765, peak: 62765, connected: 184, disconnected: 0, rate: 184/s
  195. [00:03:15] Current: 62917, peak: 62917, connected: 152, disconnected: 0, rate: 152/s
  196. [00:03:17] Current: 63053, peak: 63053, connected: 136, disconnected: 0, rate: 136/s
  197. [00:03:18] Current: 63076, peak: 63076, connected: 23, disconnected: 0, rate: 23/s
  198. [00:03:19] Current: 63321, peak: 63321, connected: 245, disconnected: 0, rate: 245/s
  199. [00:03:20] Current: 63690, peak: 63690, connected: 369, disconnected: 0, rate: 369/s
  200. [00:03:21] Current: 64045, peak: 64045, connected: 355, disconnected: 0, rate: 355/s
  201. [00:03:22] Current: 64265, peak: 64265, connected: 220, disconnected: 0, rate: 220/s
  202. [00:03:23] Current: 64560, peak: 64560, connected: 295, disconnected: 0, rate: 295/s
  203. [00:03:24] Current: 64691, peak: 64691, connected: 131, disconnected: 0, rate: 131/s
  204. [00:03:25] Current: 64988, peak: 64988, connected: 297, disconnected: 0, rate: 297/s
  205. [00:03:26] Current: 65367, peak: 65367, connected: 379, disconnected: 0, rate: 379/s
  206. [00:03:28] Current: 65553, peak: 65553, connected: 186, disconnected: 0, rate: 186/s
  207. [00:03:30] Current: 65588, peak: 65588, connected: 35, disconnected: 0, rate: 35/s
  208. [00:03:31] Current: 65653, peak: 65653, connected: 65, disconnected: 0, rate: 65/s
  209. [00:03:32] Current: 65933, peak: 65933, connected: 280, disconnected: 0, rate: 280/s
  210. [00:03:33] Current: 66221, peak: 66221, connected: 288, disconnected: 0, rate: 288/s
  211. [00:03:34] Current: 66474, peak: 66474, connected: 253, disconnected: 0, rate: 253/s
  212. [00:03:35] Current: 66814, peak: 66814, connected: 340, disconnected: 0, rate: 340/s
  213. [00:03:36] Current: 67197, peak: 67197, connected: 383, disconnected: 0, rate: 383/s
  214. [00:03:37] Current: 67448, peak: 67448, connected: 251, disconnected: 0, rate: 251/s
  215. [00:03:38] Current: 67448, peak: 67448, connected: 0, disconnected: 0, rate: 0/s
  216. [00:03:40] Current: 67501, peak: 67501, connected: 53, disconnected: 0, rate: 53/s
  217. [00:03:41] Current: 67531, peak: 67531, connected: 30, disconnected: 0, rate: 30/s
  218. [00:03:42] Current: 67649, peak: 67649, connected: 118, disconnected: 0, rate: 118/s
  219. [00:03:43] Current: 68051, peak: 68051, connected: 402, disconnected: 0, rate: 402/s
  220. [00:03:44] Current: 68315, peak: 68315, connected: 264, disconnected: 0, rate: 264/s
  221. [00:03:45] Current: 68381, peak: 68381, connected: 66, disconnected: 0, rate: 66/s
  222. [00:03:46] Current: 68438, peak: 68438, connected: 57, disconnected: 0, rate: 57/s
  223. [00:03:47] Current: 68835, peak: 68835, connected: 397, disconnected: 0, rate: 397/s
  224. [00:03:50] Current: 69126, peak: 69126, connected: 291, disconnected: 0, rate: 291/s
  225. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  226. Heartbeat took longer than "00:00:01" at "06/01/2019 00:30:36 +00:00".
  227. [00:03:51] Current: 69137, peak: 69137, connected: 11, disconnected: 0, rate: 11/s
  228. [00:03:52] Current: 69161, peak: 69161, connected: 24, disconnected: 0, rate: 24/s
  229. [00:03:53] Current: 69226, peak: 69226, connected: 65, disconnected: 0, rate: 65/s
  230. [00:03:54] Current: 69372, peak: 69372, connected: 146, disconnected: 0, rate: 146/s
  231. [00:03:55] Current: 69420, peak: 69420, connected: 48, disconnected: 0, rate: 48/s
  232. [00:03:56] Current: 69708, peak: 69708, connected: 288, disconnected: 0, rate: 288/s
  233. [00:03:57] Current: 70132, peak: 70132, connected: 424, disconnected: 0, rate: 424/s
  234. [00:03:58] Current: 70515, peak: 70515, connected: 383, disconnected: 0, rate: 383/s
  235. [00:03:59] Current: 70731, peak: 70731, connected: 216, disconnected: 0, rate: 216/s
  236. [00:04:01] Current: 70759, peak: 70759, connected: 28, disconnected: 0, rate: 28/s
  237. [00:04:02] Current: 70774, peak: 70774, connected: 15, disconnected: 0, rate: 15/s
  238. [00:04:03] Current: 70855, peak: 70855, connected: 81, disconnected: 0, rate: 81/s
  239. [00:04:04] Current: 71234, peak: 71234, connected: 379, disconnected: 0, rate: 379/s
  240. [00:04:05] Current: 71586, peak: 71586, connected: 352, disconnected: 0, rate: 352/s
  241. [00:04:06] Current: 71662, peak: 71662, connected: 76, disconnected: 0, rate: 76/s
  242. [00:04:07] Current: 71977, peak: 71977, connected: 315, disconnected: 0, rate: 315/s
  243. [00:04:08] Current: 72089, peak: 72089, connected: 112, disconnected: 0, rate: 112/s
  244. [00:04:09] Current: 72400, peak: 72400, connected: 311, disconnected: 0, rate: 311/s
  245. [00:04:10] Current: 72538, peak: 72538, connected: 138, disconnected: 0, rate: 138/s
  246. [00:04:12] Current: 72785, peak: 72785, connected: 247, disconnected: 0, rate: 247/s
  247. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  248. Heartbeat took longer than "00:00:01" at "06/01/2019 00:30:58 +00:00".
  249. [00:04:13] Current: 72812, peak: 72812, connected: 27, disconnected: 0, rate: 27/s
  250. [00:04:14] Current: 73116, peak: 73116, connected: 304, disconnected: 0, rate: 304/s
  251. [00:04:15] Current: 73235, peak: 73235, connected: 119, disconnected: 0, rate: 119/s
  252. [00:04:16] Current: 73661, peak: 73661, connected: 426, disconnected: 0, rate: 426/s
  253. [00:04:17] Current: 73761, peak: 73761, connected: 100, disconnected: 0, rate: 100/s
  254. [00:04:18] Current: 74149, peak: 74149, connected: 388, disconnected: 0, rate: 388/s
  255. [00:04:19] Current: 74553, peak: 74553, connected: 404, disconnected: 0, rate: 404/s
  256. [00:04:20] Current: 74943, peak: 74943, connected: 390, disconnected: 0, rate: 390/s
  257. [00:04:21] Current: 75025, peak: 75025, connected: 82, disconnected: 0, rate: 82/s
  258. [00:04:23] Current: 75026, peak: 75026, connected: 1, disconnected: 0, rate: 1/s
  259. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  260. Heartbeat took longer than "00:00:01" at "06/01/2019 00:31:09 +00:00".
  261. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  262. Heartbeat took longer than "00:00:01" at "06/01/2019 00:31:09 +00:00".
  263. [00:04:24] Current: 75053, peak: 75053, connected: 27, disconnected: 0, rate: 27/s
  264. [00:04:25] Current: 75111, peak: 75111, connected: 58, disconnected: 0, rate: 58/s
  265. [00:04:26] Current: 75140, peak: 75140, connected: 29, disconnected: 0, rate: 29/s
  266. [00:04:27] Current: 75519, peak: 75519, connected: 379, disconnected: 0, rate: 379/s
  267. [00:04:28] Current: 75948, peak: 75948, connected: 429, disconnected: 0, rate: 429/s
  268. [00:04:29] Current: 76294, peak: 76294, connected: 346, disconnected: 0, rate: 346/s
  269. [00:04:30] Current: 76418, peak: 76418, connected: 124, disconnected: 0, rate: 124/s
  270. [00:04:31] Current: 76737, peak: 76737, connected: 319, disconnected: 0, rate: 319/s
  271. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  272. Heartbeat took longer than "00:00:01" at "06/01/2019 00:31:19 +00:00".
  273. [00:04:33] Current: 76809, peak: 76809, connected: 72, disconnected: 0, rate: 72/s
  274. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  275. Heartbeat took longer than "00:00:01" at "06/01/2019 00:31:19 +00:00".
  276. [00:04:34] Current: 76848, peak: 76848, connected: 39, disconnected: 0, rate: 39/s
  277. [00:04:35] Current: 76982, peak: 76982, connected: 134, disconnected: 0, rate: 134/s
  278. [00:04:36] Current: 77424, peak: 77424, connected: 442, disconnected: 0, rate: 442/s
  279. [00:04:38] Current: 77482, peak: 77482, connected: 58, disconnected: 0, rate: 58/s
  280. [00:04:39] Current: 77766, peak: 77766, connected: 284, disconnected: 0, rate: 284/s
  281. [00:04:40] Current: 78021, peak: 78021, connected: 255, disconnected: 0, rate: 255/s
  282. [00:04:42] Current: 78178, peak: 78178, connected: 157, disconnected: 0, rate: 157/s
  283. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  284. Heartbeat took longer than "00:00:01" at "06/01/2019 00:31:28 +00:00".
  285. [00:04:43] Current: 78213, peak: 78213, connected: 35, disconnected: 0, rate: 35/s
  286. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  287. Heartbeat took longer than "00:00:01" at "06/01/2019 00:31:29 +00:00".
  288. [00:04:44] Current: 78217, peak: 78217, connected: 4, disconnected: 0, rate: 4/s
  289. [00:04:46] Current: 78260, peak: 78260, connected: 43, disconnected: 0, rate: 43/s
  290. [00:04:49] Current: 78260, peak: 78260, connected: 0, disconnected: 0, rate: 0/s
  291. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  292. Heartbeat took longer than "00:00:01" at "06/01/2019 00:31:36 +00:00".
  293. [00:04:50] Current: 78260, peak: 78260, connected: 0, disconnected: 0, rate: 0/s
  294. [00:04:51] Current: 78260, peak: 78260, connected: 0, disconnected: 0, rate: 0/s
  295. [00:04:54] Current: 78260, peak: 78260, connected: 0, disconnected: 0, rate: 0/s
  296. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  297. Heartbeat took longer than "00:00:01" at "06/01/2019 00:31:40 +00:00".
  298. [00:04:58] Current: 78277, peak: 78277, connected: 17, disconnected: 0, rate: 17/s
  299. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  300. Heartbeat took longer than "00:00:01" at "06/01/2019 00:31:44 +00:00".
  301. [00:04:59] Current: 78277, peak: 78277, connected: 0, disconnected: 0, rate: 0/s
  302. [00:05:00] Current: 78277, peak: 78277, connected: 0, disconnected: 0, rate: 0/s
  303. [00:05:02] Current: 78277, peak: 78277, connected: 0, disconnected: 0, rate: 0/s
  304. [00:05:06] Current: 78280, peak: 78280, connected: 3, disconnected: 0, rate: 3/s
  305. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  306. Heartbeat took longer than "00:00:01" at "06/01/2019 00:31:53 +00:00".
  307. [00:05:07] Current: 78280, peak: 78280, connected: 0, disconnected: 0, rate: 0/s
  308. [00:05:09] Current: 78280, peak: 78280, connected: 0, disconnected: 0, rate: 0/s
  309. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  310. Heartbeat took longer than "00:00:01" at "06/01/2019 00:31:55 +00:00".
  311. [00:05:10] Current: 78313, peak: 78313, connected: 33, disconnected: 0, rate: 33/s
  312. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  313. Heartbeat took longer than "00:00:01" at "06/01/2019 00:31:57 +00:00".
  314. [00:05:11] Current: 78313, peak: 78313, connected: 0, disconnected: 0, rate: 0/s
  315. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  316. Heartbeat took longer than "00:00:01" at "06/01/2019 00:31:58 +00:00".
  317. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  318. Heartbeat took longer than "00:00:01" at "06/01/2019 00:31:58 +00:00".
  319. [00:05:14] Current: 78297, peak: 78313, connected: 0, disconnected: 16, rate: -16/s
  320. [00:05:15] Current: 78344, peak: 78344, connected: 47, disconnected: 0, rate: 47/s
  321. [00:05:16] Current: 78344, peak: 78344, connected: 0, disconnected: 0, rate: 0/s
  322. [00:05:17] Current: 78344, peak: 78344, connected: 0, disconnected: 0, rate: 0/s
  323. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  324. Heartbeat took longer than "00:00:01" at "06/01/2019 00:32:04 +00:00".
  325. [00:05:18] Current: 78343, peak: 78344, connected: 0, disconnected: 1, rate: -1/s
  326. [00:05:20] Current: 78343, peak: 78344, connected: 0, disconnected: 0, rate: 0/s
  327. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  328. Heartbeat took longer than "00:00:01" at "06/01/2019 00:32:06 +00:00".
  329. [00:05:22] Current: 78341, peak: 78344, connected: 0, disconnected: 2, rate: -2/s
  330. [00:05:25] Current: 78341, peak: 78344, connected: 0, disconnected: 0, rate: 0/s
  331. [00:05:26] Current: 78358, peak: 78358, connected: 17, disconnected: 0, rate: 17/s
  332. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  333. Heartbeat took longer than "00:00:01" at "06/01/2019 00:32:12 +00:00".
  334. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  335. Heartbeat took longer than "00:00:01" at "06/01/2019 00:32:13 +00:00".
  336. [00:05:27] Current: 78358, peak: 78358, connected: 0, disconnected: 0, rate: 0/s
  337. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  338. Heartbeat took longer than "00:00:01" at "06/01/2019 00:32:13 +00:00".
  339. [00:05:30] Current: 78358, peak: 78358, connected: 0, disconnected: 0, rate: 0/s
  340. [00:05:32] Current: 78361, peak: 78361, connected: 3, disconnected: 0, rate: 3/s
  341. [00:05:33] Current: 78361, peak: 78361, connected: 0, disconnected: 0, rate: 0/s
  342. [00:05:34] Current: 78394, peak: 78394, connected: 33, disconnected: 0, rate: 33/s
  343. [00:05:36] Current: 78394, peak: 78394, connected: 0, disconnected: 0, rate: 0/s
  344. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  345. Heartbeat took longer than "00:00:01" at "06/01/2019 00:32:22 +00:00".
  346. [00:05:37] Current: 78394, peak: 78394, connected: 0, disconnected: 0, rate: 0/s
  347. [00:05:38] Current: 78441, peak: 78441, connected: 47, disconnected: 0, rate: 47/s
  348. [00:05:39] Current: 78441, peak: 78441, connected: 0, disconnected: 0, rate: 0/s
  349. [00:05:40] Current: 78458, peak: 78458, connected: 17, disconnected: 0, rate: 17/s
  350. [00:05:41] Current: 78458, peak: 78458, connected: 0, disconnected: 0, rate: 0/s
  351. [00:05:43] Current: 78495, peak: 78495, connected: 37, disconnected: 0, rate: 37/s
  352. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  353. Heartbeat took longer than "00:00:01" at "06/01/2019 00:32:29 +00:00".
  354. [00:05:45] Current: 78495, peak: 78495, connected: 0, disconnected: 0, rate: 0/s
  355. [00:05:46] Current: 78541, peak: 78541, connected: 46, disconnected: 0, rate: 46/s
  356. [00:05:47] Current: 78558, peak: 78558, connected: 17, disconnected: 0, rate: 17/s
  357. [00:05:50] Current: 78558, peak: 78558, connected: 0, disconnected: 0, rate: 0/s
  358. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  359. Heartbeat took longer than "00:00:01" at "06/01/2019 00:32:36 +00:00".
  360. [00:05:51] Current: 78558, peak: 78558, connected: 0, disconnected: 0, rate: 0/s
  361. [00:05:52] Current: 78558, peak: 78558, connected: 0, disconnected: 0, rate: 0/s
  362. [00:05:53] Current: 78558, peak: 78558, connected: 0, disconnected: 0, rate: 0/s
  363. [00:05:54] Current: 78595, peak: 78595, connected: 37, disconnected: 0, rate: 37/s
  364. [00:05:55] Current: 78595, peak: 78595, connected: 0, disconnected: 0, rate: 0/s
  365. [00:05:56] Current: 78805, peak: 78805, connected: 210, disconnected: 0, rate: 210/s
  366. [00:05:58] Current: 79020, peak: 79020, connected: 215, disconnected: 0, rate: 215/s
  367. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  368. Heartbeat took longer than "00:00:01" at "06/01/2019 00:32:44 +00:00".
  369. [00:06:00] Current: 79090, peak: 79090, connected: 70, disconnected: 0, rate: 70/s
  370. [00:06:01] Current: 79120, peak: 79120, connected: 30, disconnected: 0, rate: 30/s
  371. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  372. Heartbeat took longer than "00:00:01" at "06/01/2019 00:32:48 +00:00".
  373. [00:06:02] Current: 79120, peak: 79120, connected: 0, disconnected: 0, rate: 0/s
  374. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  375. Heartbeat took longer than "00:00:01" at "06/01/2019 00:32:48 +00:00".
  376. [00:06:03] Current: 79120, peak: 79120, connected: 0, disconnected: 0, rate: 0/s
  377. [00:06:04] Current: 79133, peak: 79133, connected: 13, disconnected: 0, rate: 13/s
  378. [00:06:05] Current: 79258, peak: 79258, connected: 125, disconnected: 0, rate: 125/s
  379. [00:06:06] Current: 79405, peak: 79405, connected: 147, disconnected: 0, rate: 147/s
  380. [00:06:07] Current: 79782, peak: 79782, connected: 377, disconnected: 0, rate: 377/s
  381. [00:06:08] Current: 79811, peak: 79811, connected: 29, disconnected: 0, rate: 29/s
  382. [00:06:10] Current: 79932, peak: 79932, connected: 121, disconnected: 0, rate: 121/s
  383. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  384. Heartbeat took longer than "00:00:01" at "06/01/2019 00:32:56 +00:00".
  385. [00:06:11] Current: 80028, peak: 80028, connected: 96, disconnected: 0, rate: 96/s
  386. [00:06:12] Current: 80286, peak: 80286, connected: 258, disconnected: 0, rate: 258/s
  387. [00:06:13] Current: 80681, peak: 80681, connected: 395, disconnected: 0, rate: 395/s
  388. [00:06:14] Current: 81044, peak: 81044, connected: 363, disconnected: 0, rate: 363/s
  389. [00:06:16] Current: 81078, peak: 81078, connected: 34, disconnected: 0, rate: 34/s
  390. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  391. Heartbeat took longer than "00:00:01" at "06/01/2019 00:33:02 +00:00".
  392. [00:06:17] Current: 81084, peak: 81084, connected: 6, disconnected: 0, rate: 6/s
  393. [00:06:18] Current: 81126, peak: 81126, connected: 42, disconnected: 0, rate: 42/s
  394. [00:06:19] Current: 81126, peak: 81126, connected: 0, disconnected: 0, rate: 0/s
  395. [00:06:21] Current: 81126, peak: 81126, connected: 0, disconnected: 0, rate: 0/s
  396. [00:06:22] Current: 81126, peak: 81126, connected: 0, disconnected: 0, rate: 0/s
  397. [00:06:23] Current: 81144, peak: 81144, connected: 18, disconnected: 0, rate: 18/s
  398. [00:06:24] Current: 81144, peak: 81144, connected: 0, disconnected: 0, rate: 0/s
  399. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  400. Heartbeat took longer than "00:00:01" at "06/01/2019 00:33:10 +00:00".
  401. [00:06:25] Current: 81184, peak: 81184, connected: 40, disconnected: 0, rate: 40/s
  402. [00:06:26] Current: 81184, peak: 81184, connected: 0, disconnected: 0, rate: 0/s
  403. [00:06:28] Current: 81226, peak: 81226, connected: 42, disconnected: 0, rate: 42/s
  404. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  405. Heartbeat took longer than "00:00:01" at "06/01/2019 00:33:14 +00:00".
  406. [00:06:29] Current: 81244, peak: 81244, connected: 18, disconnected: 0, rate: 18/s
  407. [00:06:30] Current: 81512, peak: 81512, connected: 268, disconnected: 0, rate: 268/s
  408. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  409. Heartbeat took longer than "00:00:01" at "06/01/2019 00:33:17 +00:00".
  410. [00:06:31] Current: 81513, peak: 81513, connected: 1, disconnected: 0, rate: 1/s
  411. [00:06:32] Current: 81532, peak: 81532, connected: 19, disconnected: 0, rate: 19/s
  412. [00:06:33] Current: 81572, peak: 81572, connected: 40, disconnected: 0, rate: 40/s
  413. [00:06:34] Current: 81593, peak: 81593, connected: 21, disconnected: 0, rate: 21/s
  414. [00:06:36] Current: 81613, peak: 81613, connected: 20, disconnected: 0, rate: 20/s
  415. [00:06:37] Current: 81613, peak: 81613, connected: 0, disconnected: 0, rate: 0/s
  416. [00:06:38] Current: 81623, peak: 81623, connected: 10, disconnected: 0, rate: 10/s
  417. [00:06:39] Current: 81694, peak: 81694, connected: 71, disconnected: 0, rate: 71/s
  418. [00:06:40] Current: 81723, peak: 81723, connected: 29, disconnected: 0, rate: 29/s
  419. [00:06:42] Current: 81723, peak: 81723, connected: 0, disconnected: 0, rate: 0/s
  420. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  421. Heartbeat took longer than "00:00:01" at "06/01/2019 00:33:28 +00:00".
  422. [00:06:43] Current: 81813, peak: 81813, connected: 90, disconnected: 0, rate: 90/s
  423. [00:06:44] Current: 82152, peak: 82152, connected: 339, disconnected: 0, rate: 339/s
  424. [00:06:45] Current: 82431, peak: 82431, connected: 279, disconnected: 0, rate: 279/s
  425. [00:06:46] Current: 82872, peak: 82872, connected: 441, disconnected: 0, rate: 441/s
  426. [00:06:48] Current: 82900, peak: 82900, connected: 28, disconnected: 0, rate: 28/s
  427. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  428. Heartbeat took longer than "00:00:01" at "06/01/2019 00:33:34 +00:00".
  429. [00:06:49] Current: 82921, peak: 82921, connected: 21, disconnected: 0, rate: 21/s
  430. [00:06:50] Current: 82936, peak: 82936, connected: 15, disconnected: 0, rate: 15/s
  431. [00:06:51] Current: 82972, peak: 82972, connected: 36, disconnected: 0, rate: 36/s
  432. [00:06:52] Current: 82972, peak: 82972, connected: 0, disconnected: 0, rate: 0/s
  433. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  434. Heartbeat took longer than "00:00:01" at "06/01/2019 00:33:38 +00:00".
  435. [00:06:53] Current: 82972, peak: 82972, connected: 0, disconnected: 0, rate: 0/s
  436. [00:06:54] Current: 82974, peak: 82974, connected: 2, disconnected: 0, rate: 2/s
  437. [00:06:56] Current: 82986, peak: 82986, connected: 12, disconnected: 0, rate: 12/s
  438. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  439. Heartbeat took longer than "00:00:01" at "06/01/2019 00:33:43 +00:00".
  440. [00:06:57] Current: 82986, peak: 82986, connected: 0, disconnected: 0, rate: 0/s
  441. [00:06:58] Current: 83023, peak: 83023, connected: 37, disconnected: 0, rate: 37/s
  442. [00:06:59] Current: 83323, peak: 83323, connected: 300, disconnected: 0, rate: 300/s
  443. [00:07:01] Current: 83440, peak: 83440, connected: 117, disconnected: 0, rate: 117/s
  444. [00:07:02] Current: 83508, peak: 83508, connected: 68, disconnected: 0, rate: 68/s
  445. [00:07:03] Current: 83519, peak: 83519, connected: 11, disconnected: 0, rate: 11/s
  446. [00:07:05] Current: 83519, peak: 83519, connected: 0, disconnected: 0, rate: 0/s
  447. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  448. Heartbeat took longer than "00:00:01" at "06/01/2019 00:33:51 +00:00".
  449. [00:07:06] Current: 83532, peak: 83532, connected: 13, disconnected: 0, rate: 13/s
  450. [00:07:07] Current: 83554, peak: 83554, connected: 22, disconnected: 0, rate: 22/s
  451. [00:07:08] Current: 83769, peak: 83769, connected: 215, disconnected: 0, rate: 215/s
  452. [00:07:09] Current: 83786, peak: 83786, connected: 17, disconnected: 0, rate: 17/s
  453. [00:07:11] Current: 83787, peak: 83787, connected: 1, disconnected: 0, rate: 1/s
  454. [00:07:12] Current: 83802, peak: 83802, connected: 15, disconnected: 0, rate: 15/s
  455. [00:07:13] Current: 83840, peak: 83840, connected: 38, disconnected: 0, rate: 38/s
  456. [00:07:14] Current: 84060, peak: 84060, connected: 220, disconnected: 0, rate: 220/s
  457. [00:07:16] Current: 84305, peak: 84305, connected: 245, disconnected: 0, rate: 245/s
  458. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  459. Heartbeat took longer than "00:00:01" at "06/01/2019 00:34:02 +00:00".
  460. [00:07:17] Current: 84349, peak: 84349, connected: 44, disconnected: 0, rate: 44/s
  461. [00:07:18] Current: 84405, peak: 84405, connected: 56, disconnected: 0, rate: 56/s
  462. [00:07:20] Current: 84405, peak: 84405, connected: 0, disconnected: 0, rate: 0/s
  463. [00:07:21] Current: 84405, peak: 84405, connected: 0, disconnected: 0, rate: 0/s
  464. [00:07:22] Current: 84406, peak: 84406, connected: 1, disconnected: 0, rate: 1/s
  465. [00:07:24] Current: 84550, peak: 84550, connected: 144, disconnected: 0, rate: 144/s
  466. [00:07:26] Current: 84556, peak: 84556, connected: 6, disconnected: 0, rate: 6/s
  467. [00:07:27] Current: 84578, peak: 84578, connected: 22, disconnected: 0, rate: 22/s
  468. [00:07:28] Current: 84624, peak: 84624, connected: 46, disconnected: 0, rate: 46/s
  469. [00:07:29] Current: 84646, peak: 84646, connected: 22, disconnected: 0, rate: 22/s
  470. [00:07:30] Current: 84747, peak: 84747, connected: 101, disconnected: 0, rate: 101/s
  471. [00:07:31] Current: 85099, peak: 85099, connected: 352, disconnected: 0, rate: 352/s
  472. [00:07:33] Current: 85255, peak: 85255, connected: 156, disconnected: 0, rate: 156/s
  473. [00:07:35] Current: 85255, peak: 85255, connected: 0, disconnected: 0, rate: 0/s
  474. [00:07:36] Current: 85255, peak: 85255, connected: 0, disconnected: 0, rate: 0/s
  475. [00:07:37] Current: 85309, peak: 85309, connected: 54, disconnected: 0, rate: 54/s
  476. [00:07:38] Current: 85309, peak: 85309, connected: 0, disconnected: 0, rate: 0/s
  477. [00:07:40] Current: 85309, peak: 85309, connected: 0, disconnected: 0, rate: 0/s
  478. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  479. Heartbeat took longer than "00:00:01" at "06/01/2019 00:34:26 +00:00".
  480. [00:07:43] Current: 85340, peak: 85340, connected: 31, disconnected: 0, rate: 31/s
  481. [00:07:44] Current: 85340, peak: 85340, connected: 0, disconnected: 0, rate: 0/s
  482. [00:07:46] Current: 85340, peak: 85340, connected: 0, disconnected: 0, rate: 0/s
  483. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  484. Heartbeat took longer than "00:00:01" at "06/01/2019 00:34:33 +00:00".
  485. [00:07:48] Current: 85340, peak: 85340, connected: 0, disconnected: 0, rate: 0/s
  486. [00:07:49] Current: 85340, peak: 85340, connected: 0, disconnected: 0, rate: 0/s
  487. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  488. Heartbeat took longer than "00:00:01" at "06/01/2019 00:34:35 +00:00".
  489. [00:07:51] Current: 85355, peak: 85355, connected: 15, disconnected: 0, rate: 15/s
  490. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  491. Heartbeat took longer than "00:00:01" at "06/01/2019 00:34:37 +00:00".
  492. [00:07:52] Current: 85355, peak: 85355, connected: 0, disconnected: 0, rate: 0/s
  493. [00:07:53] Current: 85355, peak: 85355, connected: 0, disconnected: 0, rate: 0/s
  494. [00:07:55] Current: 85355, peak: 85355, connected: 0, disconnected: 0, rate: 0/s
  495. [00:07:56] Current: 85355, peak: 85355, connected: 0, disconnected: 0, rate: 0/s
  496. [00:07:57] Current: 85355, peak: 85355, connected: 0, disconnected: 0, rate: 0/s
  497. [00:07:59] Current: 85355, peak: 85355, connected: 0, disconnected: 0, rate: 0/s
  498. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  499. Heartbeat took longer than "00:00:01" at "06/01/2019 00:34:45 +00:00".
  500. [00:08:05] Current: 85409, peak: 85409, connected: 54, disconnected: 0, rate: 54/s
  501. [00:08:06] Current: 85409, peak: 85409, connected: 0, disconnected: 0, rate: 0/s
  502. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  503. Heartbeat took longer than "00:00:01" at "06/01/2019 00:34:53 +00:00".
  504. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  505. Heartbeat took longer than "00:00:01" at "06/01/2019 00:34:53 +00:00".
  506. [00:08:09] Current: 85409, peak: 85409, connected: 0, disconnected: 0, rate: 0/s
  507. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  508. Heartbeat took longer than "00:00:01" at "06/01/2019 00:35:03 +00:00".
  509. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  510. Heartbeat took longer than "00:00:01" at "06/01/2019 00:35:05 +00:00".
  511. [00:08:19] Current: 85440, peak: 85440, connected: 31, disconnected: 0, rate: 31/s
  512. [00:08:20] Current: 85440, peak: 85440, connected: 0, disconnected: 0, rate: 0/s
  513. [00:08:21] Current: 85440, peak: 85440, connected: 0, disconnected: 0, rate: 0/s
  514. [00:08:22] Current: 85440, peak: 85440, connected: 0, disconnected: 0, rate: 0/s
  515. [00:08:23] Current: 85440, peak: 85440, connected: 0, disconnected: 0, rate: 0/s
  516. [00:08:24] Current: 85440, peak: 85440, connected: 0, disconnected: 0, rate: 0/s
  517. [00:08:25] Current: 85440, peak: 85440, connected: 0, disconnected: 0, rate: 0/s
  518. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  519. Heartbeat took longer than "00:00:01" at "06/01/2019 00:35:11 +00:00".
  520. [00:08:26] Current: 85439, peak: 85440, connected: 0, disconnected: 1, rate: -1/s
  521. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  522. Heartbeat took longer than "00:00:01" at "06/01/2019 00:35:13 +00:00".
  523. [00:08:27] Current: 85428, peak: 85440, connected: 0, disconnected: 11, rate: -11/s
  524. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  525. Heartbeat took longer than "00:00:01" at "06/01/2019 00:35:14 +00:00".
  526. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  527. Heartbeat took longer than "00:00:01" at "06/01/2019 00:35:14 +00:00".
  528. [00:08:28] Current: 85374, peak: 85440, connected: 0, disconnected: 54, rate: -54/s
  529. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  530. Heartbeat took longer than "00:00:01" at "06/01/2019 00:35:15 +00:00".
  531. [00:08:29] Current: 85374, peak: 85440, connected: 0, disconnected: 0, rate: 0/s
  532. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  533. Heartbeat took longer than "00:00:01" at "06/01/2019 00:35:16 +00:00".
  534. [00:08:30] Current: 85343, peak: 85440, connected: 0, disconnected: 31, rate: -31/s
  535. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  536. Heartbeat took longer than "00:00:01" at "06/01/2019 00:35:19 +00:00".
  537. [00:08:33] Current: 85343, peak: 85440, connected: 0, disconnected: 0, rate: 0/s
  538. [00:08:34] Current: 85343, peak: 85440, connected: 0, disconnected: 0, rate: 0/s
  539. [00:08:35] Current: 85343, peak: 85440, connected: 0, disconnected: 0, rate: 0/s
  540. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  541. Heartbeat took longer than "00:00:01" at "06/01/2019 00:35:22 +00:00".
  542. [00:08:36] Current: 85343, peak: 85440, connected: 0, disconnected: 0, rate: 0/s
  543. [00:08:37] Current: 85343, peak: 85440, connected: 0, disconnected: 0, rate: 0/s
  544. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  545. Heartbeat took longer than "00:00:01" at "06/01/2019 00:35:24 +00:00".
  546. [00:08:38] Current: 85428, peak: 85440, connected: 85, disconnected: 0, rate: 85/s
  547. [00:08:39] Current: 85428, peak: 85440, connected: 0, disconnected: 0, rate: 0/s
  548. [00:08:40] Current: 85428, peak: 85440, connected: 0, disconnected: 0, rate: 0/s
  549. [00:08:41] Current: 85428, peak: 85440, connected: 0, disconnected: 0, rate: 0/s
  550. [00:08:42] Current: 85443, peak: 85443, connected: 15, disconnected: 0, rate: 15/s
  551. [00:08:43] Current: 85443, peak: 85443, connected: 0, disconnected: 0, rate: 0/s
  552. [00:08:44] Current: 85443, peak: 85443, connected: 0, disconnected: 0, rate: 0/s
  553. [00:08:45] Current: 85443, peak: 85443, connected: 0, disconnected: 0, rate: 0/s
  554. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  555. Heartbeat took longer than "00:00:01" at "06/01/2019 00:35:33 +00:00".
  556. [00:08:47] Current: 85530, peak: 85530, connected: 87, disconnected: 0, rate: 87/s
  557. [00:08:48] Current: 85543, peak: 85543, connected: 13, disconnected: 0, rate: 13/s
  558. [00:08:49] Current: 85631, peak: 85631, connected: 88, disconnected: 0, rate: 88/s
  559. [00:08:50] Current: 85631, peak: 85631, connected: 0, disconnected: 0, rate: 0/s
  560. [00:08:51] Current: 85647, peak: 85647, connected: 16, disconnected: 0, rate: 16/s
  561. [00:08:52] Current: 85679, peak: 85679, connected: 32, disconnected: 0, rate: 32/s
  562. [00:08:53] Current: 85732, peak: 85732, connected: 53, disconnected: 0, rate: 53/s
  563. [00:08:54] Current: 85732, peak: 85732, connected: 0, disconnected: 0, rate: 0/s
  564. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  565. Heartbeat took longer than "00:00:01" at "06/01/2019 00:35:41 +00:00".
  566. [00:08:55] Current: 85743, peak: 85743, connected: 11, disconnected: 0, rate: 11/s
  567. [00:08:56] Current: 85748, peak: 85748, connected: 5, disconnected: 0, rate: 5/s
  568. [00:08:58] Current: 85758, peak: 85758, connected: 10, disconnected: 0, rate: 10/s
  569. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  570. Heartbeat took longer than "00:00:01" at "06/01/2019 00:35:44 +00:00".
  571. [00:08:59] Current: 85777, peak: 85777, connected: 19, disconnected: 0, rate: 19/s
  572. [00:09:00] Current: 85810, peak: 85810, connected: 33, disconnected: 0, rate: 33/s
  573. [00:09:01] Current: 85844, peak: 85844, connected: 34, disconnected: 0, rate: 34/s
  574. [00:09:02] Current: 85998, peak: 85998, connected: 154, disconnected: 0, rate: 154/s
  575. [00:09:03] Current: 86470, peak: 86470, connected: 472, disconnected: 0, rate: 472/s
  576. [00:09:04] Current: 86657, peak: 86657, connected: 187, disconnected: 0, rate: 187/s
  577. [00:09:05] Current: 86715, peak: 86715, connected: 58, disconnected: 0, rate: 58/s
  578. [00:09:06] Current: 86751, peak: 86751, connected: 36, disconnected: 0, rate: 36/s
  579. [00:09:08] Current: 86763, peak: 86763, connected: 12, disconnected: 0, rate: 12/s
  580. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  581. Heartbeat took longer than "00:00:01" at "06/01/2019 00:35:54 +00:00".
  582. [00:09:09] Current: 86763, peak: 86763, connected: 0, disconnected: 0, rate: 0/s
  583. [00:09:10] Current: 86804, peak: 86804, connected: 41, disconnected: 0, rate: 41/s
  584. [00:09:11] Current: 86807, peak: 86807, connected: 3, disconnected: 0, rate: 3/s
  585. [00:09:12] Current: 86807, peak: 86807, connected: 0, disconnected: 0, rate: 0/s
  586. [00:09:13] Current: 86815, peak: 86815, connected: 8, disconnected: 0, rate: 8/s
  587. [00:09:14] Current: 86815, peak: 86815, connected: 0, disconnected: 0, rate: 0/s
  588. [00:09:17] Current: 86852, peak: 86852, connected: 37, disconnected: 0, rate: 37/s
  589. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  590. Heartbeat took longer than "00:00:01" at "06/01/2019 00:36:03 +00:00".
  591. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  592. Heartbeat took longer than "00:00:01" at "06/01/2019 00:36:04 +00:00".
  593. [00:09:18] Current: 86854, peak: 86854, connected: 2, disconnected: 0, rate: 2/s
  594. [00:09:19] Current: 86864, peak: 86864, connected: 10, disconnected: 0, rate: 10/s
  595. [00:09:20] Current: 86900, peak: 86900, connected: 36, disconnected: 0, rate: 36/s
  596. [00:09:21] Current: 86910, peak: 86910, connected: 10, disconnected: 0, rate: 10/s
  597. [00:09:23] Current: 86910, peak: 86910, connected: 0, disconnected: 0, rate: 0/s
  598. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  599. Heartbeat took longer than "00:00:01" at "06/01/2019 00:36:09 +00:00".
  600. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  601. Heartbeat took longer than "00:00:01" at "06/01/2019 00:36:10 +00:00".
  602. [00:09:24] Current: 86910, peak: 86910, connected: 0, disconnected: 0, rate: 0/s
  603. [00:09:25] Current: 86950, peak: 86950, connected: 40, disconnected: 0, rate: 40/s
  604. [00:09:26] Current: 86952, peak: 86952, connected: 2, disconnected: 0, rate: 2/s
  605. [00:09:27] Current: 86956, peak: 86956, connected: 4, disconnected: 0, rate: 4/s
  606. [00:09:28] Current: 86956, peak: 86956, connected: 0, disconnected: 0, rate: 0/s
  607. [00:09:29] Current: 86994, peak: 86994, connected: 38, disconnected: 0, rate: 38/s
  608. [00:09:31] Current: 86994, peak: 86994, connected: 0, disconnected: 0, rate: 0/s
  609. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  610. Heartbeat took longer than "00:00:01" at "06/01/2019 00:36:17 +00:00".
  611. [00:09:32] Current: 86995, peak: 86995, connected: 1, disconnected: 0, rate: 1/s
  612. [00:09:33] Current: 87005, peak: 87005, connected: 10, disconnected: 0, rate: 10/s
  613. [00:09:34] Current: 87197, peak: 87197, connected: 192, disconnected: 0, rate: 192/s
  614. [00:09:35] Current: 87461, peak: 87461, connected: 264, disconnected: 0, rate: 264/s
  615. [00:09:36] Current: 87524, peak: 87524, connected: 63, disconnected: 0, rate: 63/s
  616. [00:09:37] Current: 87567, peak: 87567, connected: 43, disconnected: 0, rate: 43/s
  617. [00:09:38] Current: 87786, peak: 87786, connected: 219, disconnected: 0, rate: 219/s
  618. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  619. Heartbeat took longer than "00:00:01" at "06/01/2019 00:36:26 +00:00".
  620. [00:09:40] Current: 87859, peak: 87859, connected: 73, disconnected: 0, rate: 73/s
  621. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  622. Heartbeat took longer than "00:00:01" at "06/01/2019 00:36:26 +00:00".
  623. [00:09:41] Current: 87900, peak: 87900, connected: 41, disconnected: 0, rate: 41/s
  624. [00:09:42] Current: 87930, peak: 87930, connected: 30, disconnected: 0, rate: 30/s
  625. [00:09:43] Current: 87951, peak: 87951, connected: 21, disconnected: 0, rate: 21/s
  626. [00:09:44] Current: 87953, peak: 87953, connected: 2, disconnected: 0, rate: 2/s
  627. [00:09:45] Current: 87953, peak: 87953, connected: 0, disconnected: 0, rate: 0/s
  628. [00:09:46] Current: 87960, peak: 87960, connected: 7, disconnected: 0, rate: 7/s
  629. [00:09:48] Current: 87961, peak: 87961, connected: 1, disconnected: 0, rate: 1/s
  630. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  631. Heartbeat took longer than "00:00:01" at "06/01/2019 00:36:34 +00:00".
  632. [00:09:49] Current: 87961, peak: 87961, connected: 0, disconnected: 0, rate: 0/s
  633. [00:09:50] Current: 88000, peak: 88000, connected: 39, disconnected: 0, rate: 39/s
  634. [00:09:51] Current: 88148, peak: 88148, connected: 148, disconnected: 0, rate: 148/s
  635. [00:09:52] Current: 88172, peak: 88172, connected: 24, disconnected: 0, rate: 24/s
  636. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  637. Heartbeat took longer than "00:00:01" at "06/01/2019 00:36:39 +00:00".
  638. [00:09:53] Current: 88201, peak: 88201, connected: 29, disconnected: 0, rate: 29/s
  639. [00:09:55] Current: 88209, peak: 88209, connected: 8, disconnected: 0, rate: 8/s
  640. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  641. Heartbeat took longer than "00:00:01" at "06/01/2019 00:36:41 +00:00".
  642. [00:09:56] Current: 88210, peak: 88210, connected: 1, disconnected: 0, rate: 1/s
  643. [00:09:57] Current: 88210, peak: 88210, connected: 0, disconnected: 0, rate: 0/s
  644. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  645. Heartbeat took longer than "00:00:01" at "06/01/2019 00:36:44 +00:00".
  646. [00:09:58] Current: 88237, peak: 88237, connected: 27, disconnected: 0, rate: 27/s
  647. [00:09:59] Current: 88243, peak: 88243, connected: 6, disconnected: 0, rate: 6/s
  648. [00:10:01] Current: 88243, peak: 88243, connected: 0, disconnected: 0, rate: 0/s
  649. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  650. Heartbeat took longer than "00:00:01" at "06/01/2019 00:36:47 +00:00".
  651. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  652. Heartbeat took longer than "00:00:01" at "06/01/2019 00:36:47 +00:00".
  653. [00:10:02] Current: 88243, peak: 88243, connected: 0, disconnected: 0, rate: 0/s
  654. [00:10:03] Current: 88251, peak: 88251, connected: 8, disconnected: 0, rate: 8/s
  655. [00:10:04] Current: 88252, peak: 88252, connected: 1, disconnected: 0, rate: 1/s
  656. [00:10:05] Current: 88301, peak: 88301, connected: 49, disconnected: 0, rate: 49/s
  657. [00:10:06] Current: 88311, peak: 88311, connected: 10, disconnected: 0, rate: 10/s
  658. [00:10:07] Current: 88317, peak: 88317, connected: 6, disconnected: 0, rate: 6/s
  659. [00:10:08] Current: 88343, peak: 88343, connected: 26, disconnected: 0, rate: 26/s
  660. [00:10:09] Current: 88354, peak: 88354, connected: 11, disconnected: 0, rate: 11/s
  661. [00:10:10] Current: 88411, peak: 88411, connected: 57, disconnected: 0, rate: 57/s
  662. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  663. Heartbeat took longer than "00:00:01" at "06/01/2019 00:36:59 +00:00".
  664. [00:10:13] Current: 88488, peak: 88488, connected: 77, disconnected: 0, rate: 77/s
  665. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  666. Heartbeat took longer than "00:00:01" at "06/01/2019 00:36:59 +00:00".
  667. [00:10:14] Current: 88497, peak: 88497, connected: 9, disconnected: 0, rate: 9/s
  668. [00:10:15] Current: 88519, peak: 88519, connected: 22, disconnected: 0, rate: 22/s
  669. [00:10:16] Current: 88519, peak: 88519, connected: 0, disconnected: 0, rate: 0/s
  670. [00:10:17] Current: 88551, peak: 88551, connected: 32, disconnected: 0, rate: 32/s
  671. [00:10:18] Current: 88561, peak: 88561, connected: 10, disconnected: 0, rate: 10/s
  672. [00:10:19] Current: 88588, peak: 88588, connected: 27, disconnected: 0, rate: 27/s
  673. [00:10:20] Current: 88615, peak: 88615, connected: 27, disconnected: 0, rate: 27/s
  674. [00:10:21] Current: 88619, peak: 88619, connected: 4, disconnected: 0, rate: 4/s
  675. [00:10:23] Current: 88661, peak: 88661, connected: 42, disconnected: 0, rate: 42/s
  676. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  677. Heartbeat took longer than "00:00:01" at "06/01/2019 00:37:09 +00:00".
  678. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  679. Heartbeat took longer than "00:00:01" at "06/01/2019 00:37:10 +00:00".
  680. [00:10:24] Current: 88661, peak: 88661, connected: 0, disconnected: 0, rate: 0/s
  681. [00:10:25] Current: 88688, peak: 88688, connected: 27, disconnected: 0, rate: 27/s
  682. [00:10:26] Current: 88719, peak: 88719, connected: 31, disconnected: 0, rate: 31/s
  683. [00:10:27] Current: 88719, peak: 88719, connected: 0, disconnected: 0, rate: 0/s
  684. [00:10:28] Current: 88719, peak: 88719, connected: 0, disconnected: 0, rate: 0/s
  685. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  686. Heartbeat took longer than "00:00:01" at "06/01/2019 00:37:16 +00:00".
  687. [00:10:30] Current: 88719, peak: 88719, connected: 0, disconnected: 0, rate: 0/s
  688. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  689. Heartbeat took longer than "00:00:01" at "06/01/2019 00:37:17 +00:00".
  690. [00:10:31] Current: 88719, peak: 88719, connected: 0, disconnected: 0, rate: 0/s
  691. [00:10:32] Current: 88761, peak: 88761, connected: 42, disconnected: 0, rate: 42/s
  692. [00:10:33] Current: 88761, peak: 88761, connected: 0, disconnected: 0, rate: 0/s
  693. [00:10:34] Current: 88761, peak: 88761, connected: 0, disconnected: 0, rate: 0/s
  694. [00:10:35] Current: 88761, peak: 88761, connected: 0, disconnected: 0, rate: 0/s
  695. [00:10:37] Current: 88761, peak: 88761, connected: 0, disconnected: 0, rate: 0/s
  696. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  697. Heartbeat took longer than "00:00:01" at "06/01/2019 00:37:23 +00:00".
  698. [00:10:38] Current: 88788, peak: 88788, connected: 27, disconnected: 0, rate: 27/s
  699. [00:10:39] Current: 88788, peak: 88788, connected: 0, disconnected: 0, rate: 0/s
  700. [00:10:40] Current: 88819, peak: 88819, connected: 31, disconnected: 0, rate: 31/s
  701. [00:10:41] Current: 88819, peak: 88819, connected: 0, disconnected: 0, rate: 0/s
  702. [00:10:42] Current: 88819, peak: 88819, connected: 0, disconnected: 0, rate: 0/s
  703. [00:10:43] Current: 88861, peak: 88861, connected: 42, disconnected: 0, rate: 42/s
  704. [00:10:44] Current: 88861, peak: 88861, connected: 0, disconnected: 0, rate: 0/s
  705. [00:10:45] Current: 88889, peak: 88889, connected: 28, disconnected: 0, rate: 28/s
  706. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  707. Heartbeat took longer than "00:00:01" at "06/01/2019 00:37:34 +00:00".
  708. [00:10:47] Current: 88962, peak: 88962, connected: 73, disconnected: 0, rate: 73/s
  709. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  710. Heartbeat took longer than "00:00:01" at "06/01/2019 00:37:34 +00:00".
  711. [00:10:48] Current: 88976, peak: 88976, connected: 14, disconnected: 0, rate: 14/s
  712. [00:10:49] Current: 89020, peak: 89020, connected: 44, disconnected: 0, rate: 44/s
  713. [00:10:50] Current: 89022, peak: 89022, connected: 2, disconnected: 0, rate: 2/s
  714. [00:10:52] Current: 89064, peak: 89064, connected: 42, disconnected: 0, rate: 42/s
  715. [00:10:53] Current: 89120, peak: 89120, connected: 56, disconnected: 0, rate: 56/s
  716. [00:10:54] Current: 89340, peak: 89340, connected: 220, disconnected: 0, rate: 220/s
  717. [00:10:55] Current: 89641, peak: 89641, connected: 301, disconnected: 0, rate: 301/s
  718. [00:10:56] Current: 89643, peak: 89643, connected: 2, disconnected: 0, rate: 2/s
  719. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  720. Heartbeat took longer than "00:00:01" at "06/01/2019 00:37:42 +00:00".
  721. [00:10:57] Current: 89662, peak: 89662, connected: 19, disconnected: 0, rate: 19/s
  722. [00:10:58] Current: 89676, peak: 89676, connected: 14, disconnected: 0, rate: 14/s
  723. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  724. Heartbeat took longer than "00:00:01" at "06/01/2019 00:37:47 +00:00".
  725. [00:11:01] Current: 89692, peak: 89692, connected: 16, disconnected: 0, rate: 16/s
  726. [00:11:02] Current: 89707, peak: 89707, connected: 15, disconnected: 0, rate: 15/s
  727. [00:11:03] Current: 89742, peak: 89742, connected: 35, disconnected: 0, rate: 35/s
  728. [00:11:04] Current: 89750, peak: 89750, connected: 8, disconnected: 0, rate: 8/s
  729. [00:11:05] Current: 89761, peak: 89761, connected: 11, disconnected: 0, rate: 11/s
  730. [00:11:07] Current: 89761, peak: 89761, connected: 0, disconnected: 0, rate: 0/s
  731. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  732. Heartbeat took longer than "00:00:01" at "06/01/2019 00:37:53 +00:00".
  733. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  734. Heartbeat took longer than "00:00:01" at "06/01/2019 00:37:53 +00:00".
  735. [00:11:08] Current: 89769, peak: 89769, connected: 8, disconnected: 0, rate: 8/s
  736. [00:11:09] Current: 89792, peak: 89792, connected: 23, disconnected: 0, rate: 23/s
  737. [00:11:10] Current: 89792, peak: 89792, connected: 0, disconnected: 0, rate: 0/s
  738. [00:11:11] Current: 89890, peak: 89890, connected: 98, disconnected: 0, rate: 98/s
  739. [00:11:12] Current: 90330, peak: 90330, connected: 440, disconnected: 0, rate: 440/s
  740. [00:11:13] Current: 90485, peak: 90485, connected: 155, disconnected: 0, rate: 155/s
  741. [00:11:14] Current: 90490, peak: 90490, connected: 5, disconnected: 0, rate: 5/s
  742. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  743. Heartbeat took longer than "00:00:01" at "06/01/2019 00:38:01 +00:00".
  744. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  745. Heartbeat took longer than "00:00:01" at "06/01/2019 00:38:01 +00:00".
  746. [00:11:15] Current: 90498, peak: 90498, connected: 8, disconnected: 0, rate: 8/s
  747. [00:11:16] Current: 90536, peak: 90536, connected: 38, disconnected: 0, rate: 38/s
  748. [00:11:17] Current: 90555, peak: 90555, connected: 19, disconnected: 0, rate: 19/s
  749. [00:11:18] Current: 90560, peak: 90560, connected: 5, disconnected: 0, rate: 5/s
  750. [00:11:19] Current: 90569, peak: 90569, connected: 9, disconnected: 0, rate: 9/s
  751. [00:11:20] Current: 90572, peak: 90572, connected: 3, disconnected: 0, rate: 3/s
  752. [00:11:21] Current: 90593, peak: 90593, connected: 21, disconnected: 0, rate: 21/s
  753. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  754. Heartbeat took longer than "00:00:01" at "06/01/2019 00:38:10 +00:00".
  755. [00:11:24] Current: 90640, peak: 90640, connected: 47, disconnected: 0, rate: 47/s
  756. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  757. Heartbeat took longer than "00:00:01" at "06/01/2019 00:38:10 +00:00".
  758. [00:11:25] Current: 90673, peak: 90673, connected: 33, disconnected: 0, rate: 33/s
  759. [00:11:26] Current: 90693, peak: 90693, connected: 20, disconnected: 0, rate: 20/s
  760. [00:11:27] Current: 90740, peak: 90740, connected: 47, disconnected: 0, rate: 47/s
  761. [00:11:28] Current: 90740, peak: 90740, connected: 0, disconnected: 0, rate: 0/s
  762. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  763. Heartbeat took longer than "00:00:01" at "06/01/2019 00:38:15 +00:00".
  764. [00:11:29] Current: 90784, peak: 90784, connected: 44, disconnected: 0, rate: 44/s
  765. [00:11:31] Current: 90807, peak: 90807, connected: 23, disconnected: 0, rate: 23/s
  766. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  767. Heartbeat took longer than "00:00:01" at "06/01/2019 00:38:17 +00:00".
  768. [00:11:32] Current: 90807, peak: 90807, connected: 0, disconnected: 0, rate: 0/s
  769. [00:11:33] Current: 90840, peak: 90840, connected: 33, disconnected: 0, rate: 33/s
  770. [00:11:34] Current: 90840, peak: 90840, connected: 0, disconnected: 0, rate: 0/s
  771. [00:11:35] Current: 90840, peak: 90840, connected: 0, disconnected: 0, rate: 0/s
  772. [00:11:36] Current: 90840, peak: 90840, connected: 0, disconnected: 0, rate: 0/s
  773. [00:11:39] Current: 90850, peak: 90850, connected: 10, disconnected: 0, rate: 10/s
  774. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  775. Heartbeat took longer than "00:00:01" at "06/01/2019 00:38:25 +00:00".
  776. [00:11:40] Current: 90850, peak: 90850, connected: 0, disconnected: 0, rate: 0/s
  777. [00:11:41] Current: 90857, peak: 90857, connected: 7, disconnected: 0, rate: 7/s
  778. [00:11:42] Current: 90907, peak: 90907, connected: 50, disconnected: 0, rate: 50/s
  779. [00:11:43] Current: 90907, peak: 90907, connected: 0, disconnected: 0, rate: 0/s
  780. [00:11:44] Current: 90907, peak: 90907, connected: 0, disconnected: 0, rate: 0/s
  781. [00:11:46] Current: 90920, peak: 90920, connected: 13, disconnected: 0, rate: 13/s
  782. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  783. Heartbeat took longer than "00:00:01" at "06/01/2019 00:38:32 +00:00".
  784. [00:11:48] Current: 90940, peak: 90940, connected: 20, disconnected: 0, rate: 20/s
  785. [00:11:49] Current: 90940, peak: 90940, connected: 0, disconnected: 0, rate: 0/s
  786. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  787. Heartbeat took longer than "00:00:01" at "06/01/2019 00:38:35 +00:00".
  788. [00:11:50] Current: 90951, peak: 90951, connected: 11, disconnected: 0, rate: 11/s
  789. [00:11:51] Current: 90951, peak: 90951, connected: 0, disconnected: 0, rate: 0/s
  790. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  791. Heartbeat took longer than "00:00:01" at "06/01/2019 00:38:38 +00:00".
  792. [00:11:52] Current: 90951, peak: 90951, connected: 0, disconnected: 0, rate: 0/s
  793. [00:11:53] Current: 90951, peak: 90951, connected: 0, disconnected: 0, rate: 0/s
  794. [00:11:55] Current: 91009, peak: 91009, connected: 58, disconnected: 0, rate: 58/s
  795. [00:11:56] Current: 91009, peak: 91009, connected: 0, disconnected: 0, rate: 0/s
  796. [00:11:57] Current: 91009, peak: 91009, connected: 0, disconnected: 0, rate: 0/s
  797. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  798. Heartbeat took longer than "00:00:01" at "06/01/2019 00:38:44 +00:00".
  799. [00:11:58] Current: 91009, peak: 91009, connected: 0, disconnected: 0, rate: 0/s
  800. [00:12:00] Current: 91009, peak: 91009, connected: 0, disconnected: 0, rate: 0/s
  801. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  802. Heartbeat took longer than "00:00:01" at "06/01/2019 00:38:46 +00:00".
  803. [00:12:01] Current: 91038, peak: 91038, connected: 29, disconnected: 0, rate: 29/s
  804. [00:12:02] Current: 91040, peak: 91040, connected: 2, disconnected: 0, rate: 2/s
  805. [00:12:03] Current: 91040, peak: 91040, connected: 0, disconnected: 0, rate: 0/s
  806. [00:12:04] Current: 91041, peak: 91041, connected: 1, disconnected: 0, rate: 1/s
  807. [00:12:05] Current: 91051, peak: 91051, connected: 10, disconnected: 0, rate: 10/s
  808. [00:12:07] Current: 91051, peak: 91051, connected: 0, disconnected: 0, rate: 0/s
  809. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  810. Heartbeat took longer than "00:00:01" at "06/01/2019 00:38:53 +00:00".
  811. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  812. Heartbeat took longer than "00:00:01" at "06/01/2019 00:38:53 +00:00".
  813. [00:12:08] Current: 91051, peak: 91051, connected: 0, disconnected: 0, rate: 0/s
  814. [00:12:09] Current: 91070, peak: 91070, connected: 19, disconnected: 0, rate: 19/s
  815. [00:12:10] Current: 91110, peak: 91110, connected: 40, disconnected: 0, rate: 40/s
  816. [00:12:11] Current: 91110, peak: 91110, connected: 0, disconnected: 0, rate: 0/s
  817. [00:12:12] Current: 91110, peak: 91110, connected: 0, disconnected: 0, rate: 0/s
  818. [00:12:13] Current: 91140, peak: 91140, connected: 30, disconnected: 0, rate: 30/s
  819. [00:12:15] Current: 91140, peak: 91140, connected: 0, disconnected: 0, rate: 0/s
  820. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  821. Heartbeat took longer than "00:00:01" at "06/01/2019 00:39:01 +00:00".
  822. [00:12:16] Current: 91142, peak: 91142, connected: 2, disconnected: 0, rate: 2/s
  823. [00:12:17] Current: 91238, peak: 91238, connected: 96, disconnected: 0, rate: 96/s
  824. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  825. Heartbeat took longer than "00:00:01" at "06/01/2019 00:39:05 +00:00".
  826. [00:12:19] Current: 91238, peak: 91238, connected: 0, disconnected: 0, rate: 0/s
  827. [00:12:20] Current: 91238, peak: 91238, connected: 0, disconnected: 0, rate: 0/s
  828. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  829. Heartbeat took longer than "00:00:01" at "06/01/2019 00:39:06 +00:00".
  830. [00:12:21] Current: 91240, peak: 91240, connected: 2, disconnected: 0, rate: 2/s
  831. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  832. Heartbeat took longer than "00:00:01" at "06/01/2019 00:39:08 +00:00".
  833. [00:12:23] Current: 91240, peak: 91240, connected: 0, disconnected: 0, rate: 0/s
  834. [00:12:24] Current: 91240, peak: 91240, connected: 0, disconnected: 0, rate: 0/s
  835. [00:12:25] Current: 91247, peak: 91247, connected: 7, disconnected: 0, rate: 7/s
  836. [00:12:27] Current: 91248, peak: 91248, connected: 1, disconnected: 0, rate: 1/s
  837. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  838. Heartbeat took longer than "00:00:01" at "06/01/2019 00:39:13 +00:00".
  839. [00:12:28] Current: 91248, peak: 91248, connected: 0, disconnected: 0, rate: 0/s
  840. [00:12:29] Current: 91338, peak: 91338, connected: 90, disconnected: 0, rate: 90/s
  841. [00:12:30] Current: 91338, peak: 91338, connected: 0, disconnected: 0, rate: 0/s
  842. [00:12:31] Current: 91350, peak: 91350, connected: 12, disconnected: 0, rate: 12/s
  843. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  844. Heartbeat took longer than "00:00:01" at "06/01/2019 00:39:18 +00:00".
  845. [00:12:32] Current: 91393, peak: 91393, connected: 43, disconnected: 0, rate: 43/s
  846. [00:12:34] Current: 91441, peak: 91441, connected: 48, disconnected: 0, rate: 48/s
  847. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  848. Heartbeat took longer than "00:00:01" at "06/01/2019 00:39:20 +00:00".
  849. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  850. Heartbeat took longer than "00:00:01" at "06/01/2019 00:39:20 +00:00".
  851. [00:12:36] Current: 91441, peak: 91441, connected: 0, disconnected: 0, rate: 0/s
  852. [00:12:37] Current: 91441, peak: 91441, connected: 0, disconnected: 0, rate: 0/s
  853. [00:12:39] Current: 91450, peak: 91450, connected: 9, disconnected: 0, rate: 9/s
  854. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  855. Heartbeat took longer than "00:00:01" at "06/01/2019 00:39:25 +00:00".
  856. [00:12:40] Current: 91450, peak: 91450, connected: 0, disconnected: 0, rate: 0/s
  857. [00:12:41] Current: 91450, peak: 91450, connected: 0, disconnected: 0, rate: 0/s
  858. [00:12:42] Current: 91450, peak: 91450, connected: 0, disconnected: 0, rate: 0/s
  859. [00:12:44] Current: 91466, peak: 91466, connected: 16, disconnected: 0, rate: 16/s
  860. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  861. Heartbeat took longer than "00:00:01" at "06/01/2019 00:39:30 +00:00".
  862. [00:12:46] Current: 91466, peak: 91466, connected: 0, disconnected: 0, rate: 0/s
  863. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  864. Heartbeat took longer than "00:00:01" at "06/01/2019 00:39:32 +00:00".
  865. [00:12:48] Current: 91478, peak: 91478, connected: 12, disconnected: 0, rate: 12/s
  866. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  867. Heartbeat took longer than "00:00:01" at "06/01/2019 00:39:34 +00:00".
  868. [00:12:49] Current: 91478, peak: 91478, connected: 0, disconnected: 0, rate: 0/s
  869. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  870. Heartbeat took longer than "00:00:01" at "06/01/2019 00:39:35 +00:00".
  871. [00:12:51] Current: 91478, peak: 91478, connected: 0, disconnected: 0, rate: 0/s
  872. [00:12:52] Current: 91478, peak: 91478, connected: 0, disconnected: 0, rate: 0/s
  873. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  874. Heartbeat took longer than "00:00:01" at "06/01/2019 00:39:39 +00:00".
  875. [00:12:53] Current: 91478, peak: 91478, connected: 0, disconnected: 0, rate: 0/s
  876. [00:12:54] Current: 91478, peak: 91478, connected: 0, disconnected: 0, rate: 0/s
  877. [00:12:55] Current: 91478, peak: 91478, connected: 0, disconnected: 0, rate: 0/s
  878. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  879. Heartbeat took longer than "00:00:01" at "06/01/2019 00:39:42 +00:00".
  880. [00:12:56] Current: 91493, peak: 91493, connected: 15, disconnected: 0, rate: 15/s
  881. [00:12:58] Current: 91493, peak: 91493, connected: 0, disconnected: 0, rate: 0/s
  882. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  883. Heartbeat took longer than "00:00:01" at "06/01/2019 00:39:44 +00:00".
  884. [00:12:59] Current: 91541, peak: 91541, connected: 48, disconnected: 0, rate: 48/s
  885. [00:13:00] Current: 91541, peak: 91541, connected: 0, disconnected: 0, rate: 0/s
  886. [00:13:02] Current: 91541, peak: 91541, connected: 0, disconnected: 0, rate: 0/s
  887. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  888. Heartbeat took longer than "00:00:01" at "06/01/2019 00:39:48 +00:00".
  889. [00:13:03] Current: 91541, peak: 91541, connected: 0, disconnected: 0, rate: 0/s
  890. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  891. Heartbeat took longer than "00:00:01" at "06/01/2019 00:39:50 +00:00".
  892. [00:13:06] Current: 91541, peak: 91541, connected: 0, disconnected: 0, rate: 0/s
  893. [00:13:07] Current: 91541, peak: 91541, connected: 0, disconnected: 0, rate: 0/s
  894. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  895. Heartbeat took longer than "00:00:01" at "06/01/2019 00:39:53 +00:00".
  896. [00:13:11] Current: 91541, peak: 91541, connected: 0, disconnected: 0, rate: 0/s
  897. [00:13:12] Current: 91541, peak: 91541, connected: 0, disconnected: 0, rate: 0/s
  898. [00:13:13] Current: 91541, peak: 91541, connected: 0, disconnected: 0, rate: 0/s
  899. [00:13:14] Current: 91541, peak: 91541, connected: 0, disconnected: 0, rate: 0/s
  900. [00:13:15] Current: 91541, peak: 91541, connected: 0, disconnected: 0, rate: 0/s
  901. [00:13:16] Current: 91541, peak: 91541, connected: 0, disconnected: 0, rate: 0/s
  902. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  903. Heartbeat took longer than "00:00:01" at "06/01/2019 00:40:02 +00:00".
  904. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  905. Heartbeat took longer than "00:00:01" at "06/01/2019 00:40:02 +00:00".
  906. [00:13:17] Current: 91526, peak: 91541, connected: 0, disconnected: 15, rate: -15/s
  907. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  908. Heartbeat took longer than "00:00:01" at "06/01/2019 00:40:03 +00:00".
  909. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  910. Heartbeat took longer than "00:00:01" at "06/01/2019 00:40:03 +00:00".
  911. [00:13:21] Current: 91526, peak: 91541, connected: 0, disconnected: 0, rate: 0/s
  912. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  913. Heartbeat took longer than "00:00:01" at "06/01/2019 00:40:07 +00:00".
  914. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  915. Heartbeat took longer than "00:00:01" at "06/01/2019 00:40:09 +00:00".
  916. [00:13:25] Current: 91526, peak: 91541, connected: 0, disconnected: 0, rate: 0/s
  917. [00:13:26] Current: 91526, peak: 91541, connected: 0, disconnected: 0, rate: 0/s
  918. [00:13:30] Current: 91526, peak: 91541, connected: 0, disconnected: 0, rate: 0/s
  919. [00:13:31] Current: 91526, peak: 91541, connected: 0, disconnected: 0, rate: 0/s
  920. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  921. Heartbeat took longer than "00:00:01" at "06/01/2019 00:40:20 +00:00".
  922. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  923. Heartbeat took longer than "00:00:01" at "06/01/2019 00:40:22 +00:00".
  924. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  925. Heartbeat took longer than "00:00:01" at "06/01/2019 00:40:23 +00:00".
  926. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  927. Heartbeat took longer than "00:00:01" at "06/01/2019 00:40:24 +00:00".
  928. [00:13:37] Current: 91520, peak: 91541, connected: 0, disconnected: 6, rate: -6/s
  929. [00:13:39] Current: 91518, peak: 91541, connected: 0, disconnected: 2, rate: -2/s
  930. [00:13:40] Current: 91500, peak: 91541, connected: 0, disconnected: 18, rate: -18/s
  931. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  932. Heartbeat took longer than "00:00:01" at "06/01/2019 00:40:32 +00:00".
  933. [00:13:56] Current: 91477, peak: 91541, connected: 0, disconnected: 23, rate: -23/s
  934. [00:13:59] Current: 91477, peak: 91541, connected: 0, disconnected: 0, rate: 0/s
  935. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  936. Heartbeat took longer than "00:00:01" at "06/01/2019 00:40:45 +00:00".
  937. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  938. Heartbeat took longer than "00:00:01" at "06/01/2019 00:40:47 +00:00".
  939. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  940. Heartbeat took longer than "00:00:01" at "06/01/2019 00:40:51 +00:00".
  941. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  942. Heartbeat took longer than "00:00:01" at "06/01/2019 00:40:53 +00:00".
  943. [00:14:08] Current: 91331, peak: 91541, connected: 0, disconnected: 146, rate: -146/s
  944. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  945. Heartbeat took longer than "00:00:01" at "06/01/2019 00:40:54 +00:00".
  946. [00:14:09] Current: 90665, peak: 91541, connected: 0, disconnected: 666, rate: -666/s
  947. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  948. Heartbeat took longer than "00:00:01" at "06/01/2019 00:40:55 +00:00".
  949. [00:14:10] Current: 90517, peak: 91541, connected: 0, disconnected: 148, rate: -148/s
  950. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  951. Heartbeat took longer than "00:00:01" at "06/01/2019 00:40:57 +00:00".
  952. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  953. Heartbeat took longer than "00:00:01" at "06/01/2019 00:40:57 +00:00".
  954. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  955. Heartbeat took longer than "00:00:01" at "06/01/2019 00:41:03 +00:00".
  956. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  957. Heartbeat took longer than "00:00:01" at "06/01/2019 00:41:03 +00:00".
  958. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  959. Failed writing message. Aborting connection.
  960. System.InvalidOperationException: Writing is not allowed after writer was completed.
  961. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  962. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  963. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  964. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  965. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  966. Failed writing message. Aborting connection.
  967. System.InvalidOperationException: Writing is not allowed after writer was completed.
  968. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  969. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  970. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  971. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  972. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  973. Failed writing message. Aborting connection.
  974. System.InvalidOperationException: Writing is not allowed after writer was completed.
  975. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  976. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  977. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  978. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  979. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  980. Failed writing message. Aborting connection.
  981. System.InvalidOperationException: Writing is not allowed after writer was completed.
  982. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  983. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  984. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  985. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  986. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  987. Failed writing message. Aborting connection.
  988. System.InvalidOperationException: Writing is not allowed after writer was completed.
  989. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  990. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  991. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  992. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  993. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  994. Failed writing message. Aborting connection.
  995. System.InvalidOperationException: Writing is not allowed after writer was completed.
  996. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  997. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  998. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  999. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  1000. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  1001. Failed writing message. Aborting connection.
  1002. System.InvalidOperationException: Writing is not allowed after writer was completed.
  1003. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  1004. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1005. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1006. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  1007. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  1008. Failed writing message. Aborting connection.
  1009. System.InvalidOperationException: Writing is not allowed after writer was completed.
  1010. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  1011. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1012. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1013. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  1014. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  1015. Failed writing message. Aborting connection.
  1016. System.InvalidOperationException: Writing is not allowed after writer was completed.
  1017. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  1018. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1019. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1020. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  1021. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  1022. Failed writing message. Aborting connection.
  1023. System.InvalidOperationException: Writing is not allowed after writer was completed.
  1024. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  1025. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1026. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1027. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  1028. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  1029. Failed writing message. Aborting connection.
  1030. System.InvalidOperationException: Writing is not allowed after writer was completed.
  1031. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  1032. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1033. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1034. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  1035. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  1036. Failed writing message. Aborting connection.
  1037. System.InvalidOperationException: Writing is not allowed after writer was completed.
  1038. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  1039. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1040. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1041. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  1042. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  1043. Failed writing message. Aborting connection.
  1044. System.InvalidOperationException: Writing is not allowed after writer was completed.
  1045. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  1046. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1047. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1048. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  1049. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  1050. Failed writing message. Aborting connection.
  1051. System.InvalidOperationException: Writing is not allowed after writer was completed.
  1052. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  1053. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1054. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1055. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  1056. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  1057. Failed writing message. Aborting connection.
  1058. System.InvalidOperationException: Writing is not allowed after writer was completed.
  1059. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  1060. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1061. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1062. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  1063. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  1064. Failed writing message. Aborting connection.
  1065. System.InvalidOperationException: Writing is not allowed after writer was completed.
  1066. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  1067. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1068. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1069. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  1070. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  1071. Failed writing message. Aborting connection.
  1072. System.InvalidOperationException: Writing is not allowed after writer was completed.
  1073. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  1074. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1075. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1076. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  1077. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  1078. Failed writing message. Aborting connection.
  1079. System.InvalidOperationException: Writing is not allowed after writer was completed.
  1080. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  1081. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1082. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1083. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  1084. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  1085. Failed writing message. Aborting connection.
  1086. System.InvalidOperationException: Writing is not allowed after writer was completed.
  1087. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  1088. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1089. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1090. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  1091. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  1092. Failed writing message. Aborting connection.
  1093. System.InvalidOperationException: Writing is not allowed after writer was completed.
  1094. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  1095. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1096. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1097. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  1098. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  1099. Failed writing message. Aborting connection.
  1100. System.InvalidOperationException: Writing is not allowed after writer was completed.
  1101. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  1102. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1103. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1104. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  1105. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  1106. Failed writing message. Aborting connection.
  1107. System.InvalidOperationException: Writing is not allowed after writer was completed.
  1108. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  1109. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1110. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1111. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  1112. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  1113. Failed writing message. Aborting connection.
  1114. System.InvalidOperationException: Writing is not allowed after writer was completed.
  1115. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  1116. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1117. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1118. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  1119. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  1120. Failed writing message. Aborting connection.
  1121. System.InvalidOperationException: Writing is not allowed after writer was completed.
  1122. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  1123. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1124. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1125. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  1126. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  1127. Failed writing message. Aborting connection.
  1128. System.InvalidOperationException: Writing is not allowed after writer was completed.
  1129. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  1130. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1131. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1132. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  1133. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  1134. Failed writing message. Aborting connection.
  1135. System.InvalidOperationException: Writing is not allowed after writer was completed.
  1136. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  1137. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1138. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1139. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  1140. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  1141. Failed writing message. Aborting connection.
  1142. System.InvalidOperationException: Writing is not allowed after writer was completed.
  1143. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  1144. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1145. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1146. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  1147. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  1148. Failed writing message. Aborting connection.
  1149. System.InvalidOperationException: Writing is not allowed after writer was completed.
  1150. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  1151. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1152. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1153. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  1154. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  1155. Failed writing message. Aborting connection.
  1156. System.InvalidOperationException: Writing is not allowed after writer was completed.
  1157. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  1158. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1159. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1160. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  1161. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  1162. Failed writing message. Aborting connection.
  1163. System.InvalidOperationException: Writing is not allowed after writer was completed.
  1164. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  1165. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1166. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1167. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  1168. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  1169. Failed writing message. Aborting connection.
  1170. System.InvalidOperationException: Writing is not allowed after writer was completed.
  1171. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  1172. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1173. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1174. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  1175. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  1176. Failed writing message. Aborting connection.
  1177. System.InvalidOperationException: Writing is not allowed after writer was completed.
  1178. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  1179. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1180. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1181. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  1182. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  1183. Failed writing message. Aborting connection.
  1184. System.InvalidOperationException: Writing is not allowed after writer was completed.
  1185. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  1186. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1187. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1188. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  1189. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  1190. Failed writing message. Aborting connection.
  1191. System.InvalidOperationException: Writing is not allowed after writer was completed.
  1192. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  1193. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1194. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1195. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  1196. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  1197. Failed writing message. Aborting connection.
  1198. System.InvalidOperationException: Writing is not allowed after writer was completed.
  1199. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  1200. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1201. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1202. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  1203. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  1204. Failed writing message. Aborting connection.
  1205. System.InvalidOperationException: Writing is not allowed after writer was completed.
  1206. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  1207. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1208. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1209. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  1210. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  1211. Failed writing message. Aborting connection.
  1212. System.InvalidOperationException: Writing is not allowed after writer was completed.
  1213. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  1214. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1215. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1216. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  1217. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  1218. Failed writing message. Aborting connection.
  1219. System.InvalidOperationException: Writing is not allowed after writer was completed.
  1220. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  1221. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1222. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1223. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  1224. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  1225. Failed writing message. Aborting connection.
  1226. System.InvalidOperationException: Writing is not allowed after writer was completed.
  1227. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  1228. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1229. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1230. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  1231. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  1232. Failed writing message. Aborting connection.
  1233. System.InvalidOperationException: Writing is not allowed after writer was completed.
  1234. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  1235. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1236. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1237. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  1238. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  1239. Failed writing message. Aborting connection.
  1240. System.InvalidOperationException: Writing is not allowed after writer was completed.
  1241. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  1242. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1243. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1244. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  1245. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  1246. Failed writing message. Aborting connection.
  1247. System.InvalidOperationException: Writing is not allowed after writer was completed.
  1248. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  1249. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1250. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1251. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  1252. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  1253. Failed writing message. Aborting connection.
  1254. System.InvalidOperationException: Writing is not allowed after writer was completed.
  1255. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  1256. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1257. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1258. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  1259. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  1260. Failed writing message. Aborting connection.
  1261. System.InvalidOperationException: Writing is not allowed after writer was completed.
  1262. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  1263. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1264. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1265. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  1266. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  1267. Failed writing message. Aborting connection.
  1268. System.InvalidOperationException: Writing is not allowed after writer was completed.
  1269. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  1270. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1271. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1272. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  1273. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  1274. Failed writing message. Aborting connection.
  1275. System.InvalidOperationException: Writing is not allowed after writer was completed.
  1276. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  1277. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1278. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1279. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  1280. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  1281. Failed writing message. Aborting connection.
  1282. System.InvalidOperationException: Writing is not allowed after writer was completed.
  1283. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  1284. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1285. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1286. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  1287. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  1288. Failed writing message. Aborting connection.
  1289. System.InvalidOperationException: Writing is not allowed after writer was completed.
  1290. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  1291. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1292. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1293. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  1294. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  1295. Failed writing message. Aborting connection.
  1296. System.InvalidOperationException: Writing is not allowed after writer was completed.
  1297. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  1298. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1299. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1300. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  1301. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  1302. Failed writing message. Aborting connection.
  1303. System.InvalidOperationException: Writing is not allowed after writer was completed.
  1304. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  1305. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1306. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1307. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  1308. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  1309. Failed writing message. Aborting connection.
  1310. System.InvalidOperationException: Writing is not allowed after writer was completed.
  1311. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  1312. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1313. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1314. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  1315. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  1316. Failed writing message. Aborting connection.
  1317. System.InvalidOperationException: Writing is not allowed after writer was completed.
  1318. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  1319. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1320. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1321. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  1322. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  1323. Failed writing message. Aborting connection.
  1324. System.InvalidOperationException: Writing is not allowed after writer was completed.
  1325. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  1326. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1327. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1328. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  1329. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  1330. Failed writing message. Aborting connection.
  1331. System.InvalidOperationException: Writing is not allowed after writer was completed.
  1332. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  1333. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1334. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1335. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  1336. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  1337. Failed writing message. Aborting connection.
  1338. System.InvalidOperationException: Writing is not allowed after writer was completed.
  1339. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  1340. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1341. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1342. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  1343. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  1344. Failed writing message. Aborting connection.
  1345. System.InvalidOperationException: Writing is not allowed after writer was completed.
  1346. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  1347. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1348. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1349. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  1350. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  1351. Failed writing message. Aborting connection.
  1352. System.InvalidOperationException: Writing is not allowed after writer was completed.
  1353. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  1354. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1355. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1356. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  1357. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  1358. Failed writing message. Aborting connection.
  1359. System.InvalidOperationException: Writing is not allowed after writer was completed.
  1360. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  1361. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1362. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1363. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  1364. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  1365. Failed writing message. Aborting connection.
  1366. System.InvalidOperationException: Writing is not allowed after writer was completed.
  1367. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  1368. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1369. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1370. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  1371. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  1372. Heartbeat took longer than "00:00:01" at "06/01/2019 00:41:04 +00:00".
  1373. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  1374. Failed writing message. Aborting connection.
  1375. System.InvalidOperationException: Writing is not allowed after writer was completed.
  1376. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  1377. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1378. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1379. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  1380. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  1381. Failed writing message. Aborting connection.
  1382. System.InvalidOperationException: Writing is not allowed after writer was completed.
  1383. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  1384. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1385. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1386. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  1387. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  1388. Failed writing message. Aborting connection.
  1389. System.InvalidOperationException: Writing is not allowed after writer was completed.
  1390. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  1391. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1392. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1393. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  1394. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  1395. Failed writing message. Aborting connection.
  1396. System.InvalidOperationException: Writing is not allowed after writer was completed.
  1397. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  1398. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1399. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1400. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  1401. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  1402. Failed writing message. Aborting connection.
  1403. System.InvalidOperationException: Writing is not allowed after writer was completed.
  1404. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  1405. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1406. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1407. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  1408. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  1409. Failed writing message. Aborting connection.
  1410. System.InvalidOperationException: Writing is not allowed after writer was completed.
  1411. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  1412. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1413. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1414. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  1415. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  1416. Failed writing message. Aborting connection.
  1417. System.InvalidOperationException: Writing is not allowed after writer was completed.
  1418. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  1419. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1420. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1421. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  1422. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  1423. Failed writing message. Aborting connection.
  1424. System.InvalidOperationException: Writing is not allowed after writer was completed.
  1425. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  1426. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1427. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1428. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  1429. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  1430. Failed writing message. Aborting connection.
  1431. System.InvalidOperationException: Writing is not allowed after writer was completed.
  1432. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  1433. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1434. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1435. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  1436. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  1437. Failed writing message. Aborting connection.
  1438. System.InvalidOperationException: Writing is not allowed after writer was completed.
  1439. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  1440. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1441. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1442. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  1443. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  1444. Failed writing message. Aborting connection.
  1445. System.InvalidOperationException: Writing is not allowed after writer was completed.
  1446. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  1447. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1448. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1449. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  1450. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  1451. Failed writing message. Aborting connection.
  1452. System.InvalidOperationException: Writing is not allowed after writer was completed.
  1453. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  1454. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1455. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1456. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  1457. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  1458. Failed writing message. Aborting connection.
  1459. System.InvalidOperationException: Writing is not allowed after writer was completed.
  1460. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  1461. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1462. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1463. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  1464. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  1465. Failed writing message. Aborting connection.
  1466. System.InvalidOperationException: Writing is not allowed after writer was completed.
  1467. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  1468. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1469. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1470. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  1471. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  1472. Failed writing message. Aborting connection.
  1473. System.InvalidOperationException: Writing is not allowed after writer was completed.
  1474. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  1475. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1476. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1477. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  1478. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  1479. Failed writing message. Aborting connection.
  1480. System.InvalidOperationException: Writing is not allowed after writer was completed.
  1481. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  1482. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1483. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1484. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  1485. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  1486. Failed writing message. Aborting connection.
  1487. System.InvalidOperationException: Writing is not allowed after writer was completed.
  1488. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  1489. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1490. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1491. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  1492. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  1493. Failed writing message. Aborting connection.
  1494. System.InvalidOperationException: Writing is not allowed after writer was completed.
  1495. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  1496. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1497. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1498. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  1499. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  1500. Failed writing message. Aborting connection.
  1501. System.InvalidOperationException: Writing is not allowed after writer was completed.
  1502. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  1503. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1504. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1505. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  1506. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  1507. Failed writing message. Aborting connection.
  1508. System.InvalidOperationException: Writing is not allowed after writer was completed.
  1509. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  1510. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1511. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1512. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  1513. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  1514. Failed writing message. Aborting connection.
  1515. System.InvalidOperationException: Writing is not allowed after writer was completed.
  1516. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  1517. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1518. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1519. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  1520. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  1521. Failed writing message. Aborting connection.
  1522. System.InvalidOperationException: Writing is not allowed after writer was completed.
  1523. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  1524. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1525. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1526. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  1527. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  1528. Failed writing message. Aborting connection.
  1529. System.InvalidOperationException: Writing is not allowed after writer was completed.
  1530. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  1531. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1532. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1533. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  1534. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  1535. Failed writing message. Aborting connection.
  1536. System.InvalidOperationException: Writing is not allowed after writer was completed.
  1537. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  1538. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1539. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1540. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  1541. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  1542. Failed writing message. Aborting connection.
  1543. System.InvalidOperationException: Writing is not allowed after writer was completed.
  1544. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  1545. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1546. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1547. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  1548. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  1549. Failed writing message. Aborting connection.
  1550. System.InvalidOperationException: Writing is not allowed after writer was completed.
  1551. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  1552. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1553. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1554. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  1555. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  1556. Failed writing message. Aborting connection.
  1557. System.InvalidOperationException: Writing is not allowed after writer was completed.
  1558. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  1559. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1560. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1561. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  1562. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  1563. Failed writing message. Aborting connection.
  1564. System.InvalidOperationException: Writing is not allowed after writer was completed.
  1565. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  1566. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1567. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1568. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  1569. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  1570. Failed writing message. Aborting connection.
  1571. System.InvalidOperationException: Writing is not allowed after writer was completed.
  1572. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  1573. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1574. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1575. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  1576. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  1577. Failed writing message. Aborting connection.
  1578. System.InvalidOperationException: Writing is not allowed after writer was completed.
  1579. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  1580. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1581. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1582. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  1583. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  1584. Failed writing message. Aborting connection.
  1585. System.InvalidOperationException: Writing is not allowed after writer was completed.
  1586. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  1587. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1588. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1589. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  1590. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  1591. Failed writing message. Aborting connection.
  1592. System.InvalidOperationException: Writing is not allowed after writer was completed.
  1593. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  1594. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1595. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1596. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  1597. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  1598. Failed writing message. Aborting connection.
  1599. System.InvalidOperationException: Writing is not allowed after writer was completed.
  1600. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  1601. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1602. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1603. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  1604. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  1605. Failed writing message. Aborting connection.
  1606. System.InvalidOperationException: Writing is not allowed after writer was completed.
  1607. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  1608. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1609. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1610. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  1611. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  1612. Failed writing message. Aborting connection.
  1613. System.InvalidOperationException: Writing is not allowed after writer was completed.
  1614. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  1615. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1616. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1617. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  1618. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  1619. Failed writing message. Aborting connection.
  1620. System.InvalidOperationException: Writing is not allowed after writer was completed.
  1621. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  1622. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1623. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1624. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  1625. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  1626. Failed writing message. Aborting connection.
  1627. System.InvalidOperationException: Writing is not allowed after writer was completed.
  1628. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  1629. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1630. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1631. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  1632. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  1633. Failed writing message. Aborting connection.
  1634. System.InvalidOperationException: Writing is not allowed after writer was completed.
  1635. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  1636. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1637. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1638. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  1639. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  1640. Failed writing message. Aborting connection.
  1641. System.InvalidOperationException: Writing is not allowed after writer was completed.
  1642. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  1643. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1644. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1645. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  1646. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  1647. Failed writing message. Aborting connection.
  1648. System.InvalidOperationException: Writing is not allowed after writer was completed.
  1649. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  1650. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1651. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1652. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  1653. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  1654. Failed writing message. Aborting connection.
  1655. System.InvalidOperationException: Writing is not allowed after writer was completed.
  1656. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  1657. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1658. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1659. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  1660. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  1661. Failed writing message. Aborting connection.
  1662. System.InvalidOperationException: Writing is not allowed after writer was completed.
  1663. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  1664. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1665. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1666. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  1667. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  1668. Failed writing message. Aborting connection.
  1669. System.InvalidOperationException: Writing is not allowed after writer was completed.
  1670. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  1671. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1672. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1673. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  1674. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  1675. Failed writing message. Aborting connection.
  1676. System.InvalidOperationException: Writing is not allowed after writer was completed.
  1677. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  1678. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1679. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1680. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  1681. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  1682. Failed writing message. Aborting connection.
  1683. System.InvalidOperationException: Writing is not allowed after writer was completed.
  1684. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  1685. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1686. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1687. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  1688. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  1689. Failed writing message. Aborting connection.
  1690. System.InvalidOperationException: Writing is not allowed after writer was completed.
  1691. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  1692. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1693. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1694. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  1695. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  1696. Failed writing message. Aborting connection.
  1697. System.InvalidOperationException: Writing is not allowed after writer was completed.
  1698. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  1699. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1700. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1701. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  1702. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  1703. Failed writing message. Aborting connection.
  1704. System.InvalidOperationException: Writing is not allowed after writer was completed.
  1705. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  1706. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1707. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1708. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  1709. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  1710. Failed writing message. Aborting connection.
  1711. System.InvalidOperationException: Writing is not allowed after writer was completed.
  1712. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  1713. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1714. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1715. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  1716. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  1717. Failed writing message. Aborting connection.
  1718. System.InvalidOperationException: Writing is not allowed after writer was completed.
  1719. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  1720. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1721. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1722. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  1723. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  1724. Failed writing message. Aborting connection.
  1725. System.InvalidOperationException: Writing is not allowed after writer was completed.
  1726. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  1727. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1728. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1729. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  1730. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  1731. Failed writing message. Aborting connection.
  1732. System.InvalidOperationException: Writing is not allowed after writer was completed.
  1733. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  1734. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1735. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1736. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  1737. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  1738. Failed writing message. Aborting connection.
  1739. System.InvalidOperationException: Writing is not allowed after writer was completed.
  1740. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  1741. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1742. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1743. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  1744. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  1745. Failed writing message. Aborting connection.
  1746. System.InvalidOperationException: Writing is not allowed after writer was completed.
  1747. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  1748. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1749. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1750. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  1751. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  1752. Failed writing message. Aborting connection.
  1753. System.InvalidOperationException: Writing is not allowed after writer was completed.
  1754. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  1755. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1756. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1757. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  1758. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  1759. Failed writing message. Aborting connection.
  1760. System.InvalidOperationException: Writing is not allowed after writer was completed.
  1761. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  1762. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1763. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1764. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  1765. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  1766. Failed writing message. Aborting connection.
  1767. System.InvalidOperationException: Writing is not allowed after writer was completed.
  1768. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  1769. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1770. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1771. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  1772. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  1773. Failed writing message. Aborting connection.
  1774. System.InvalidOperationException: Writing is not allowed after writer was completed.
  1775. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  1776. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1777. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1778. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  1779. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  1780. Failed writing message. Aborting connection.
  1781. System.InvalidOperationException: Writing is not allowed after writer was completed.
  1782. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  1783. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1784. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1785. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  1786. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  1787. Failed writing message. Aborting connection.
  1788. System.InvalidOperationException: Writing is not allowed after writer was completed.
  1789. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  1790. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1791. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1792. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  1793. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  1794. Failed writing message. Aborting connection.
  1795. System.InvalidOperationException: Writing is not allowed after writer was completed.
  1796. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  1797. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1798. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1799. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  1800. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  1801. Failed writing message. Aborting connection.
  1802. System.InvalidOperationException: Writing is not allowed after writer was completed.
  1803. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  1804. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1805. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1806. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  1807. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  1808. Failed writing message. Aborting connection.
  1809. System.InvalidOperationException: Writing is not allowed after writer was completed.
  1810. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  1811. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1812. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1813. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  1814. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  1815. Failed writing message. Aborting connection.
  1816. System.InvalidOperationException: Writing is not allowed after writer was completed.
  1817. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  1818. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1819. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1820. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  1821. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  1822. Failed writing message. Aborting connection.
  1823. System.InvalidOperationException: Writing is not allowed after writer was completed.
  1824. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  1825. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1826. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1827. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  1828. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  1829. Failed writing message. Aborting connection.
  1830. System.InvalidOperationException: Writing is not allowed after writer was completed.
  1831. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  1832. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1833. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1834. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  1835. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  1836. Failed writing message. Aborting connection.
  1837. System.InvalidOperationException: Writing is not allowed after writer was completed.
  1838. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  1839. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1840. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1841. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  1842. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  1843. Failed writing message. Aborting connection.
  1844. System.InvalidOperationException: Writing is not allowed after writer was completed.
  1845. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  1846. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1847. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1848. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  1849. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  1850. Failed writing message. Aborting connection.
  1851. System.InvalidOperationException: Writing is not allowed after writer was completed.
  1852. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  1853. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1854. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1855. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  1856. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  1857. Failed writing message. Aborting connection.
  1858. System.InvalidOperationException: Writing is not allowed after writer was completed.
  1859. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  1860. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1861. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1862. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  1863. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  1864. Failed writing message. Aborting connection.
  1865. System.InvalidOperationException: Writing is not allowed after writer was completed.
  1866. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  1867. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1868. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1869. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  1870. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  1871. Failed writing message. Aborting connection.
  1872. System.InvalidOperationException: Writing is not allowed after writer was completed.
  1873. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  1874. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1875. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1876. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  1877. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  1878. Failed writing message. Aborting connection.
  1879. System.InvalidOperationException: Writing is not allowed after writer was completed.
  1880. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  1881. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1882. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1883. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  1884. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  1885. Failed writing message. Aborting connection.
  1886. System.InvalidOperationException: Writing is not allowed after writer was completed.
  1887. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  1888. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1889. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1890. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  1891. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  1892. Failed writing message. Aborting connection.
  1893. System.InvalidOperationException: Writing is not allowed after writer was completed.
  1894. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  1895. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1896. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1897. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  1898. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  1899. Failed writing message. Aborting connection.
  1900. System.InvalidOperationException: Writing is not allowed after writer was completed.
  1901. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  1902. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1903. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1904. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  1905. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  1906. Failed writing message. Aborting connection.
  1907. System.InvalidOperationException: Writing is not allowed after writer was completed.
  1908. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  1909. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1910. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1911. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  1912. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  1913. Failed writing message. Aborting connection.
  1914. System.InvalidOperationException: Writing is not allowed after writer was completed.
  1915. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  1916. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1917. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1918. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  1919. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  1920. Failed writing message. Aborting connection.
  1921. System.InvalidOperationException: Writing is not allowed after writer was completed.
  1922. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  1923. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1924. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1925. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  1926. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  1927. Failed writing message. Aborting connection.
  1928. System.InvalidOperationException: Writing is not allowed after writer was completed.
  1929. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  1930. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1931. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1932. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  1933. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  1934. Failed writing message. Aborting connection.
  1935. System.InvalidOperationException: Writing is not allowed after writer was completed.
  1936. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  1937. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1938. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1939. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  1940. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  1941. Failed writing message. Aborting connection.
  1942. System.InvalidOperationException: Writing is not allowed after writer was completed.
  1943. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  1944. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1945. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1946. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  1947. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  1948. Failed writing message. Aborting connection.
  1949. System.InvalidOperationException: Writing is not allowed after writer was completed.
  1950. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  1951. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1952. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1953. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  1954. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  1955. Failed writing message. Aborting connection.
  1956. System.InvalidOperationException: Writing is not allowed after writer was completed.
  1957. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  1958. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1959. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1960. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  1961. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  1962. Failed writing message. Aborting connection.
  1963. System.InvalidOperationException: Writing is not allowed after writer was completed.
  1964. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  1965. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1966. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1967. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  1968. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  1969. Failed writing message. Aborting connection.
  1970. System.InvalidOperationException: Writing is not allowed after writer was completed.
  1971. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  1972. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1973. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1974. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  1975. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  1976. Failed writing message. Aborting connection.
  1977. System.InvalidOperationException: Writing is not allowed after writer was completed.
  1978. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  1979. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1980. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1981. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  1982. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  1983. Failed writing message. Aborting connection.
  1984. System.InvalidOperationException: Writing is not allowed after writer was completed.
  1985. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  1986. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1987. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1988. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  1989. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  1990. Failed writing message. Aborting connection.
  1991. System.InvalidOperationException: Writing is not allowed after writer was completed.
  1992. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  1993. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1994. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1995. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  1996. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  1997. Failed writing message. Aborting connection.
  1998. System.InvalidOperationException: Writing is not allowed after writer was completed.
  1999. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  2000. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2001. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2002. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  2003. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  2004. Failed writing message. Aborting connection.
  2005. System.InvalidOperationException: Writing is not allowed after writer was completed.
  2006. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  2007. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2008. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2009. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  2010. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  2011. Failed writing message. Aborting connection.
  2012. System.InvalidOperationException: Writing is not allowed after writer was completed.
  2013. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  2014. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2015. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2016. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  2017. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  2018. Failed writing message. Aborting connection.
  2019. System.InvalidOperationException: Writing is not allowed after writer was completed.
  2020. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  2021. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2022. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2023. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  2024. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  2025. Failed writing message. Aborting connection.
  2026. System.InvalidOperationException: Writing is not allowed after writer was completed.
  2027. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  2028. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2029. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2030. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  2031. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  2032. Failed writing message. Aborting connection.
  2033. System.InvalidOperationException: Writing is not allowed after writer was completed.
  2034. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  2035. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2036. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2037. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  2038. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  2039. Failed writing message. Aborting connection.
  2040. System.InvalidOperationException: Writing is not allowed after writer was completed.
  2041. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  2042. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2043. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2044. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  2045. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  2046. Failed writing message. Aborting connection.
  2047. System.InvalidOperationException: Writing is not allowed after writer was completed.
  2048. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  2049. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2050. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2051. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  2052. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  2053. Failed writing message. Aborting connection.
  2054. System.InvalidOperationException: Writing is not allowed after writer was completed.
  2055. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  2056. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2057. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2058. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  2059. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  2060. Failed writing message. Aborting connection.
  2061. System.InvalidOperationException: Writing is not allowed after writer was completed.
  2062. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  2063. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2064. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2065. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  2066. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  2067. Failed writing message. Aborting connection.
  2068. System.InvalidOperationException: Writing is not allowed after writer was completed.
  2069. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  2070. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2071. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2072. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  2073. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  2074. Failed writing message. Aborting connection.
  2075. System.InvalidOperationException: Writing is not allowed after writer was completed.
  2076. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  2077. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2078. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2079. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  2080. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  2081. Failed writing message. Aborting connection.
  2082. System.InvalidOperationException: Writing is not allowed after writer was completed.
  2083. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  2084. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2085. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2086. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  2087. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  2088. Failed writing message. Aborting connection.
  2089. System.InvalidOperationException: Writing is not allowed after writer was completed.
  2090. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  2091. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2092. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2093. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  2094. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  2095. Failed writing message. Aborting connection.
  2096. System.InvalidOperationException: Writing is not allowed after writer was completed.
  2097. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  2098. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2099. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2100. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  2101. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  2102. Failed writing message. Aborting connection.
  2103. System.InvalidOperationException: Writing is not allowed after writer was completed.
  2104. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  2105. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2106. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2107. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  2108. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  2109. Failed writing message. Aborting connection.
  2110. System.InvalidOperationException: Writing is not allowed after writer was completed.
  2111. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  2112. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2113. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2114. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  2115. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  2116. Failed writing message. Aborting connection.
  2117. System.InvalidOperationException: Writing is not allowed after writer was completed.
  2118. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  2119. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2120. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2121. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  2122. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  2123. Failed writing message. Aborting connection.
  2124. System.InvalidOperationException: Writing is not allowed after writer was completed.
  2125. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  2126. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2127. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2128. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  2129. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  2130. Failed writing message. Aborting connection.
  2131. System.InvalidOperationException: Writing is not allowed after writer was completed.
  2132. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  2133. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2134. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2135. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  2136. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  2137. Failed writing message. Aborting connection.
  2138. System.InvalidOperationException: Writing is not allowed after writer was completed.
  2139. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  2140. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2141. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2142. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  2143. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  2144. Failed writing message. Aborting connection.
  2145. System.InvalidOperationException: Writing is not allowed after writer was completed.
  2146. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  2147. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2148. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2149. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  2150. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  2151. Failed writing message. Aborting connection.
  2152. System.InvalidOperationException: Writing is not allowed after writer was completed.
  2153. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  2154. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2155. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2156. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  2157. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  2158. Failed writing message. Aborting connection.
  2159. System.InvalidOperationException: Writing is not allowed after writer was completed.
  2160. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  2161. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2162. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2163. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  2164. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  2165. Failed writing message. Aborting connection.
  2166. System.InvalidOperationException: Writing is not allowed after writer was completed.
  2167. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  2168. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2169. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2170. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  2171. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  2172. Failed writing message. Aborting connection.
  2173. System.InvalidOperationException: Writing is not allowed after writer was completed.
  2174. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  2175. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2176. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2177. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  2178. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  2179. Failed writing message. Aborting connection.
  2180. System.InvalidOperationException: Writing is not allowed after writer was completed.
  2181. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  2182. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2183. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2184. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  2185. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  2186. Failed writing message. Aborting connection.
  2187. System.InvalidOperationException: Writing is not allowed after writer was completed.
  2188. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  2189. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2190. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2191. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  2192. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  2193. Failed writing message. Aborting connection.
  2194. System.InvalidOperationException: Writing is not allowed after writer was completed.
  2195. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  2196. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2197. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2198. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  2199. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  2200. Heartbeat took longer than "00:00:01" at "06/01/2019 00:41:06 +00:00".
  2201. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  2202. Failed writing message. Aborting connection.
  2203. System.InvalidOperationException: Writing is not allowed after writer was completed.
  2204. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  2205. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2206. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2207. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  2208. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  2209. Failed writing message. Aborting connection.
  2210. System.InvalidOperationException: Writing is not allowed after writer was completed.
  2211. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  2212. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2213. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2214. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  2215. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  2216. Failed writing message. Aborting connection.
  2217. System.InvalidOperationException: Writing is not allowed after writer was completed.
  2218. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  2219. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2220. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2221. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  2222. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  2223. Failed writing message. Aborting connection.
  2224. System.InvalidOperationException: Writing is not allowed after writer was completed.
  2225. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  2226. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2227. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2228. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  2229. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  2230. Failed writing message. Aborting connection.
  2231. System.InvalidOperationException: Writing is not allowed after writer was completed.
  2232. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  2233. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2234. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2235. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  2236. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  2237. Failed writing message. Aborting connection.
  2238. System.InvalidOperationException: Writing is not allowed after writer was completed.
  2239. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  2240. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2241. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2242. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  2243. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  2244. Failed writing message. Aborting connection.
  2245. System.InvalidOperationException: Writing is not allowed after writer was completed.
  2246. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  2247. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2248. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2249. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  2250. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  2251. Failed writing message. Aborting connection.
  2252. System.InvalidOperationException: Writing is not allowed after writer was completed.
  2253. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  2254. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2255. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2256. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  2257. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  2258. Failed writing message. Aborting connection.
  2259. System.InvalidOperationException: Writing is not allowed after writer was completed.
  2260. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  2261. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2262. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2263. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  2264. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  2265. Failed writing message. Aborting connection.
  2266. System.InvalidOperationException: Writing is not allowed after writer was completed.
  2267. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  2268. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2269. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2270. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  2271. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  2272. Failed writing message. Aborting connection.
  2273. System.InvalidOperationException: Writing is not allowed after writer was completed.
  2274. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  2275. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2276. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2277. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  2278. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  2279. Failed writing message. Aborting connection.
  2280. System.InvalidOperationException: Writing is not allowed after writer was completed.
  2281. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  2282. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2283. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2284. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  2285. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  2286. Failed writing message. Aborting connection.
  2287. System.InvalidOperationException: Writing is not allowed after writer was completed.
  2288. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  2289. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2290. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2291. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  2292. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  2293. Failed writing message. Aborting connection.
  2294. System.InvalidOperationException: Writing is not allowed after writer was completed.
  2295. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  2296. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2297. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2298. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  2299. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  2300. Failed writing message. Aborting connection.
  2301. System.InvalidOperationException: Writing is not allowed after writer was completed.
  2302. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  2303. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2304. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2305. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  2306. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  2307. Failed writing message. Aborting connection.
  2308. System.InvalidOperationException: Writing is not allowed after writer was completed.
  2309. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  2310. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2311. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2312. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  2313. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  2314. Failed writing message. Aborting connection.
  2315. System.InvalidOperationException: Writing is not allowed after writer was completed.
  2316. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  2317. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2318. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2319. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  2320. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  2321. Failed writing message. Aborting connection.
  2322. System.InvalidOperationException: Writing is not allowed after writer was completed.
  2323. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  2324. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2325. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2326. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  2327. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  2328. Failed writing message. Aborting connection.
  2329. System.InvalidOperationException: Writing is not allowed after writer was completed.
  2330. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  2331. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2332. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2333. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  2334. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  2335. Failed writing message. Aborting connection.
  2336. System.InvalidOperationException: Writing is not allowed after writer was completed.
  2337. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  2338. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2339. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2340. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  2341. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  2342. Failed writing message. Aborting connection.
  2343. System.InvalidOperationException: Writing is not allowed after writer was completed.
  2344. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  2345. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2346. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2347. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  2348. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  2349. Failed writing message. Aborting connection.
  2350. System.InvalidOperationException: Writing is not allowed after writer was completed.
  2351. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  2352. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2353. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2354. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  2355. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  2356. Failed writing message. Aborting connection.
  2357. System.InvalidOperationException: Writing is not allowed after writer was completed.
  2358. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  2359. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2360. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2361. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  2362. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  2363. Failed writing message. Aborting connection.
  2364. System.InvalidOperationException: Writing is not allowed after writer was completed.
  2365. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  2366. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2367. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2368. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  2369. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  2370. Failed writing message. Aborting connection.
  2371. System.InvalidOperationException: Writing is not allowed after writer was completed.
  2372. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  2373. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2374. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2375. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  2376. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  2377. Failed writing message. Aborting connection.
  2378. System.InvalidOperationException: Writing is not allowed after writer was completed.
  2379. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  2380. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2381. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2382. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  2383. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  2384. Failed writing message. Aborting connection.
  2385. System.InvalidOperationException: Writing is not allowed after writer was completed.
  2386. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  2387. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2388. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2389. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  2390. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  2391. Failed writing message. Aborting connection.
  2392. System.InvalidOperationException: Writing is not allowed after writer was completed.
  2393. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  2394. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2395. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2396. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  2397. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  2398. Failed writing message. Aborting connection.
  2399. System.InvalidOperationException: Writing is not allowed after writer was completed.
  2400. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  2401. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2402. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2403. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  2404. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  2405. Failed writing message. Aborting connection.
  2406. System.InvalidOperationException: Writing is not allowed after writer was completed.
  2407. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  2408. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2409. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2410. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  2411. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  2412. Failed writing message. Aborting connection.
  2413. System.InvalidOperationException: Writing is not allowed after writer was completed.
  2414. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  2415. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2416. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2417. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  2418. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  2419. Failed writing message. Aborting connection.
  2420. System.InvalidOperationException: Writing is not allowed after writer was completed.
  2421. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  2422. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2423. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2424. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  2425. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  2426. Failed writing message. Aborting connection.
  2427. System.InvalidOperationException: Writing is not allowed after writer was completed.
  2428. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  2429. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2430. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2431. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  2432. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  2433. Failed writing message. Aborting connection.
  2434. System.InvalidOperationException: Writing is not allowed after writer was completed.
  2435. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  2436. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2437. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2438. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  2439. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  2440. Failed writing message. Aborting connection.
  2441. System.InvalidOperationException: Writing is not allowed after writer was completed.
  2442. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  2443. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2444. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2445. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  2446. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  2447. Failed writing message. Aborting connection.
  2448. System.InvalidOperationException: Writing is not allowed after writer was completed.
  2449. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  2450. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2451. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2452. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  2453. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  2454. Failed writing message. Aborting connection.
  2455. System.InvalidOperationException: Writing is not allowed after writer was completed.
  2456. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  2457. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2458. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2459. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  2460. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  2461. Failed writing message. Aborting connection.
  2462. System.InvalidOperationException: Writing is not allowed after writer was completed.
  2463. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  2464. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2465. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2466. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  2467. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  2468. Failed writing message. Aborting connection.
  2469. System.InvalidOperationException: Writing is not allowed after writer was completed.
  2470. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  2471. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2472. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2473. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  2474. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  2475. Failed writing message. Aborting connection.
  2476. System.InvalidOperationException: Writing is not allowed after writer was completed.
  2477. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  2478. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2479. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2480. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  2481. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  2482. Failed writing message. Aborting connection.
  2483. System.InvalidOperationException: Writing is not allowed after writer was completed.
  2484. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  2485. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2486. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2487. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  2488. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  2489. Failed writing message. Aborting connection.
  2490. System.InvalidOperationException: Writing is not allowed after writer was completed.
  2491. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  2492. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2493. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2494. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  2495. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  2496. Failed writing message. Aborting connection.
  2497. System.InvalidOperationException: Writing is not allowed after writer was completed.
  2498. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  2499. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2500. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2501. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  2502. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  2503. Failed writing message. Aborting connection.
  2504. System.InvalidOperationException: Writing is not allowed after writer was completed.
  2505. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  2506. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2507. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2508. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  2509. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  2510. Failed writing message. Aborting connection.
  2511. System.InvalidOperationException: Writing is not allowed after writer was completed.
  2512. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  2513. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2514. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2515. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  2516. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  2517. Failed writing message. Aborting connection.
  2518. System.InvalidOperationException: Writing is not allowed after writer was completed.
  2519. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  2520. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2521. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2522. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  2523. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  2524. Failed writing message. Aborting connection.
  2525. System.InvalidOperationException: Writing is not allowed after writer was completed.
  2526. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  2527. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2528. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2529. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  2530. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  2531. Failed writing message. Aborting connection.
  2532. System.InvalidOperationException: Writing is not allowed after writer was completed.
  2533. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  2534. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2535. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2536. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  2537. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  2538. Failed writing message. Aborting connection.
  2539. System.InvalidOperationException: Writing is not allowed after writer was completed.
  2540. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  2541. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2542. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2543. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  2544. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  2545. Failed writing message. Aborting connection.
  2546. System.InvalidOperationException: Writing is not allowed after writer was completed.
  2547. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  2548. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2549. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2550. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  2551. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  2552. Failed writing message. Aborting connection.
  2553. System.InvalidOperationException: Writing is not allowed after writer was completed.
  2554. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  2555. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2556. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2557. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  2558. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  2559. Failed writing message. Aborting connection.
  2560. System.InvalidOperationException: Writing is not allowed after writer was completed.
  2561. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  2562. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2563. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2564. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  2565. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  2566. Failed writing message. Aborting connection.
  2567. System.InvalidOperationException: Writing is not allowed after writer was completed.
  2568. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  2569. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2570. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2571. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  2572. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  2573. Failed writing message. Aborting connection.
  2574. System.InvalidOperationException: Writing is not allowed after writer was completed.
  2575. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  2576. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2577. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2578. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  2579. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  2580. Failed writing message. Aborting connection.
  2581. System.InvalidOperationException: Writing is not allowed after writer was completed.
  2582. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  2583. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2584. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2585. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  2586. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  2587. Failed writing message. Aborting connection.
  2588. System.InvalidOperationException: Writing is not allowed after writer was completed.
  2589. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  2590. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2591. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2592. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  2593. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  2594. Failed writing message. Aborting connection.
  2595. System.InvalidOperationException: Writing is not allowed after writer was completed.
  2596. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  2597. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2598. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2599. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  2600. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  2601. Failed writing message. Aborting connection.
  2602. System.InvalidOperationException: Writing is not allowed after writer was completed.
  2603. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  2604. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2605. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2606. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  2607. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  2608. Failed writing message. Aborting connection.
  2609. System.InvalidOperationException: Writing is not allowed after writer was completed.
  2610. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  2611. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2612. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2613. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  2614. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  2615. Failed writing message. Aborting connection.
  2616. System.InvalidOperationException: Writing is not allowed after writer was completed.
  2617. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  2618. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2619. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2620. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  2621. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  2622. Failed writing message. Aborting connection.
  2623. System.InvalidOperationException: Writing is not allowed after writer was completed.
  2624. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  2625. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2626. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2627. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  2628. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  2629. Failed writing message. Aborting connection.
  2630. System.InvalidOperationException: Writing is not allowed after writer was completed.
  2631. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  2632. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2633. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2634. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  2635. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  2636. Failed writing message. Aborting connection.
  2637. System.InvalidOperationException: Writing is not allowed after writer was completed.
  2638. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  2639. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2640. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2641. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  2642. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  2643. Failed writing message. Aborting connection.
  2644. System.InvalidOperationException: Writing is not allowed after writer was completed.
  2645. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  2646. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2647. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2648. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  2649. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  2650. Failed writing message. Aborting connection.
  2651. System.InvalidOperationException: Writing is not allowed after writer was completed.
  2652. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  2653. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2654. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2655. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  2656. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  2657. Failed writing message. Aborting connection.
  2658. System.InvalidOperationException: Writing is not allowed after writer was completed.
  2659. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  2660. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2661. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2662. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  2663. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  2664. Failed writing message. Aborting connection.
  2665. System.InvalidOperationException: Writing is not allowed after writer was completed.
  2666. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  2667. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2668. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2669. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  2670. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  2671. Failed writing message. Aborting connection.
  2672. System.InvalidOperationException: Writing is not allowed after writer was completed.
  2673. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  2674. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2675. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2676. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  2677. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  2678. Failed writing message. Aborting connection.
  2679. System.InvalidOperationException: Writing is not allowed after writer was completed.
  2680. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  2681. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2682. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2683. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  2684. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  2685. Failed writing message. Aborting connection.
  2686. System.InvalidOperationException: Writing is not allowed after writer was completed.
  2687. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  2688. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2689. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2690. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  2691. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  2692. Failed writing message. Aborting connection.
  2693. System.InvalidOperationException: Writing is not allowed after writer was completed.
  2694. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  2695. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2696. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2697. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  2698. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  2699. Failed writing message. Aborting connection.
  2700. System.InvalidOperationException: Writing is not allowed after writer was completed.
  2701. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  2702. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2703. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2704. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  2705. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  2706. Failed writing message. Aborting connection.
  2707. System.InvalidOperationException: Writing is not allowed after writer was completed.
  2708. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  2709. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2710. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2711. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  2712. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  2713. Failed writing message. Aborting connection.
  2714. System.InvalidOperationException: Writing is not allowed after writer was completed.
  2715. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  2716. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2717. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2718. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  2719. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  2720. Failed writing message. Aborting connection.
  2721. System.InvalidOperationException: Writing is not allowed after writer was completed.
  2722. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  2723. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2724. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2725. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  2726. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  2727. Failed writing message. Aborting connection.
  2728. System.InvalidOperationException: Writing is not allowed after writer was completed.
  2729. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  2730. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2731. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2732. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  2733. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  2734. Failed writing message. Aborting connection.
  2735. System.InvalidOperationException: Writing is not allowed after writer was completed.
  2736. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  2737. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2738. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2739. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  2740. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  2741. Failed writing message. Aborting connection.
  2742. System.InvalidOperationException: Writing is not allowed after writer was completed.
  2743. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  2744. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2745. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2746. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  2747. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  2748. Failed writing message. Aborting connection.
  2749. System.InvalidOperationException: Writing is not allowed after writer was completed.
  2750. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  2751. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2752. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2753. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  2754. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  2755. Failed writing message. Aborting connection.
  2756. System.InvalidOperationException: Writing is not allowed after writer was completed.
  2757. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  2758. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2759. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2760. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  2761. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  2762. Failed writing message. Aborting connection.
  2763. System.InvalidOperationException: Writing is not allowed after writer was completed.
  2764. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  2765. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2766. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2767. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  2768. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  2769. Failed writing message. Aborting connection.
  2770. System.InvalidOperationException: Writing is not allowed after writer was completed.
  2771. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  2772. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2773. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2774. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  2775. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  2776. Failed writing message. Aborting connection.
  2777. System.InvalidOperationException: Writing is not allowed after writer was completed.
  2778. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  2779. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2780. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2781. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  2782. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  2783. Failed writing message. Aborting connection.
  2784. System.InvalidOperationException: Writing is not allowed after writer was completed.
  2785. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  2786. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2787. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2788. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  2789. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  2790. Failed writing message. Aborting connection.
  2791. System.InvalidOperationException: Writing is not allowed after writer was completed.
  2792. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  2793. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2794. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2795. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  2796. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  2797. Failed writing message. Aborting connection.
  2798. System.InvalidOperationException: Writing is not allowed after writer was completed.
  2799. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  2800. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2801. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2802. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  2803. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  2804. Failed writing message. Aborting connection.
  2805. System.InvalidOperationException: Writing is not allowed after writer was completed.
  2806. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  2807. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2808. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2809. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  2810. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  2811. Failed writing message. Aborting connection.
  2812. System.InvalidOperationException: Writing is not allowed after writer was completed.
  2813. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  2814. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2815. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2816. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  2817. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  2818. Failed writing message. Aborting connection.
  2819. System.InvalidOperationException: Writing is not allowed after writer was completed.
  2820. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  2821. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2822. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2823. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  2824. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  2825. Failed writing message. Aborting connection.
  2826. System.InvalidOperationException: Writing is not allowed after writer was completed.
  2827. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  2828. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2829. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2830. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  2831. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  2832. Failed writing message. Aborting connection.
  2833. System.InvalidOperationException: Writing is not allowed after writer was completed.
  2834. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  2835. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2836. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2837. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  2838. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  2839. Failed writing message. Aborting connection.
  2840. System.InvalidOperationException: Writing is not allowed after writer was completed.
  2841. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  2842. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2843. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2844. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  2845. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  2846. Failed writing message. Aborting connection.
  2847. System.InvalidOperationException: Writing is not allowed after writer was completed.
  2848. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  2849. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2850. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2851. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  2852. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  2853. Failed writing message. Aborting connection.
  2854. System.InvalidOperationException: Writing is not allowed after writer was completed.
  2855. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  2856. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2857. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2858. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  2859. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  2860. Failed writing message. Aborting connection.
  2861. System.InvalidOperationException: Writing is not allowed after writer was completed.
  2862. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  2863. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2864. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2865. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  2866. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  2867. Failed writing message. Aborting connection.
  2868. System.InvalidOperationException: Writing is not allowed after writer was completed.
  2869. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  2870. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2871. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2872. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  2873. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  2874. Failed writing message. Aborting connection.
  2875. System.InvalidOperationException: Writing is not allowed after writer was completed.
  2876. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  2877. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2878. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2879. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  2880. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  2881. Failed writing message. Aborting connection.
  2882. System.InvalidOperationException: Writing is not allowed after writer was completed.
  2883. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  2884. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2885. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2886. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  2887. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  2888. Failed writing message. Aborting connection.
  2889. System.InvalidOperationException: Writing is not allowed after writer was completed.
  2890. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  2891. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2892. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2893. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  2894. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  2895. Failed writing message. Aborting connection.
  2896. System.InvalidOperationException: Writing is not allowed after writer was completed.
  2897. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  2898. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2899. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2900. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  2901. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  2902. Failed writing message. Aborting connection.
  2903. System.InvalidOperationException: Writing is not allowed after writer was completed.
  2904. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  2905. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2906. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2907. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  2908. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  2909. Failed writing message. Aborting connection.
  2910. System.InvalidOperationException: Writing is not allowed after writer was completed.
  2911. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  2912. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2913. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2914. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  2915. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  2916. Failed writing message. Aborting connection.
  2917. System.InvalidOperationException: Writing is not allowed after writer was completed.
  2918. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  2919. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2920. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2921. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  2922. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  2923. Failed writing message. Aborting connection.
  2924. System.InvalidOperationException: Writing is not allowed after writer was completed.
  2925. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  2926. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2927. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2928. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  2929. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  2930. Failed writing message. Aborting connection.
  2931. System.InvalidOperationException: Writing is not allowed after writer was completed.
  2932. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  2933. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2934. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2935. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  2936. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  2937. Failed writing message. Aborting connection.
  2938. System.InvalidOperationException: Writing is not allowed after writer was completed.
  2939. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  2940. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2941. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2942. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  2943. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  2944. Failed writing message. Aborting connection.
  2945. System.InvalidOperationException: Writing is not allowed after writer was completed.
  2946. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  2947. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2948. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2949. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  2950. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  2951. Failed writing message. Aborting connection.
  2952. System.InvalidOperationException: Writing is not allowed after writer was completed.
  2953. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  2954. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2955. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2956. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  2957. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  2958. Failed writing message. Aborting connection.
  2959. System.InvalidOperationException: Writing is not allowed after writer was completed.
  2960. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  2961. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2962. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2963. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  2964. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  2965. Failed writing message. Aborting connection.
  2966. System.InvalidOperationException: Writing is not allowed after writer was completed.
  2967. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  2968. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2969. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2970. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  2971. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  2972. Failed writing message. Aborting connection.
  2973. System.InvalidOperationException: Writing is not allowed after writer was completed.
  2974. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  2975. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2976. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2977. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  2978. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  2979. Failed writing message. Aborting connection.
  2980. System.InvalidOperationException: Writing is not allowed after writer was completed.
  2981. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  2982. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2983. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2984. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  2985. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  2986. Failed writing message. Aborting connection.
  2987. System.InvalidOperationException: Writing is not allowed after writer was completed.
  2988. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  2989. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2990. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2991. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  2992. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  2993. Failed writing message. Aborting connection.
  2994. System.InvalidOperationException: Writing is not allowed after writer was completed.
  2995. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  2996. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2997. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2998. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  2999. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  3000. Failed writing message. Aborting connection.
  3001. System.InvalidOperationException: Writing is not allowed after writer was completed.
  3002. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  3003. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3004. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3005. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  3006. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  3007. Failed writing message. Aborting connection.
  3008. System.InvalidOperationException: Writing is not allowed after writer was completed.
  3009. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  3010. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3011. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3012. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  3013. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  3014. Failed writing message. Aborting connection.
  3015. System.InvalidOperationException: Writing is not allowed after writer was completed.
  3016. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  3017. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3018. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3019. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  3020. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  3021. Failed writing message. Aborting connection.
  3022. System.InvalidOperationException: Writing is not allowed after writer was completed.
  3023. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  3024. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3025. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3026. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  3027. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  3028. Failed writing message. Aborting connection.
  3029. System.InvalidOperationException: Writing is not allowed after writer was completed.
  3030. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  3031. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3032. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3033. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  3034. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  3035. Failed writing message. Aborting connection.
  3036. System.InvalidOperationException: Writing is not allowed after writer was completed.
  3037. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  3038. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3039. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3040. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  3041. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  3042. Failed writing message. Aborting connection.
  3043. System.InvalidOperationException: Writing is not allowed after writer was completed.
  3044. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  3045. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3046. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3047. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  3048. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  3049. Failed writing message. Aborting connection.
  3050. System.InvalidOperationException: Writing is not allowed after writer was completed.
  3051. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  3052. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3053. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3054. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  3055. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  3056. Failed writing message. Aborting connection.
  3057. System.InvalidOperationException: Writing is not allowed after writer was completed.
  3058. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  3059. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3060. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3061. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  3062. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  3063. Failed writing message. Aborting connection.
  3064. System.InvalidOperationException: Writing is not allowed after writer was completed.
  3065. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  3066. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3067. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3068. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  3069. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  3070. Failed writing message. Aborting connection.
  3071. System.InvalidOperationException: Writing is not allowed after writer was completed.
  3072. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  3073. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3074. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3075. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  3076. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  3077. Failed writing message. Aborting connection.
  3078. System.InvalidOperationException: Writing is not allowed after writer was completed.
  3079. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  3080. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3081. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3082. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  3083. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  3084. Failed writing message. Aborting connection.
  3085. System.InvalidOperationException: Writing is not allowed after writer was completed.
  3086. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  3087. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3088. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3089. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  3090. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  3091. Failed writing message. Aborting connection.
  3092. System.InvalidOperationException: Writing is not allowed after writer was completed.
  3093. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  3094. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3095. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3096. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  3097. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  3098. Failed writing message. Aborting connection.
  3099. System.InvalidOperationException: Writing is not allowed after writer was completed.
  3100. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  3101. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3102. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3103. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  3104. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  3105. Failed writing message. Aborting connection.
  3106. System.InvalidOperationException: Writing is not allowed after writer was completed.
  3107. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  3108. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3109. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3110. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  3111. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  3112. Failed writing message. Aborting connection.
  3113. System.InvalidOperationException: Writing is not allowed after writer was completed.
  3114. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  3115. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3116. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3117. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  3118. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  3119. Failed writing message. Aborting connection.
  3120. System.InvalidOperationException: Writing is not allowed after writer was completed.
  3121. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  3122. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3123. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3124. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  3125. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  3126. Failed writing message. Aborting connection.
  3127. System.InvalidOperationException: Writing is not allowed after writer was completed.
  3128. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  3129. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3130. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3131. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  3132. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  3133. Failed writing message. Aborting connection.
  3134. System.InvalidOperationException: Writing is not allowed after writer was completed.
  3135. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  3136. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3137. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3138. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  3139. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  3140. Failed writing message. Aborting connection.
  3141. System.InvalidOperationException: Writing is not allowed after writer was completed.
  3142. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  3143. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3144. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3145. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  3146. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  3147. Failed writing message. Aborting connection.
  3148. System.InvalidOperationException: Writing is not allowed after writer was completed.
  3149. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  3150. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3151. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3152. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  3153. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  3154. Failed writing message. Aborting connection.
  3155. System.InvalidOperationException: Writing is not allowed after writer was completed.
  3156. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  3157. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3158. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3159. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  3160. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  3161. Failed writing message. Aborting connection.
  3162. System.InvalidOperationException: Writing is not allowed after writer was completed.
  3163. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  3164. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3165. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3166. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  3167. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  3168. Failed writing message. Aborting connection.
  3169. System.InvalidOperationException: Writing is not allowed after writer was completed.
  3170. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  3171. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3172. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3173. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  3174. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  3175. Failed writing message. Aborting connection.
  3176. System.InvalidOperationException: Writing is not allowed after writer was completed.
  3177. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  3178. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3179. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3180. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  3181. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  3182. Failed writing message. Aborting connection.
  3183. System.InvalidOperationException: Writing is not allowed after writer was completed.
  3184. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  3185. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3186. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3187. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  3188. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  3189. Failed writing message. Aborting connection.
  3190. System.InvalidOperationException: Writing is not allowed after writer was completed.
  3191. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  3192. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3193. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3194. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  3195. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  3196. Failed writing message. Aborting connection.
  3197. System.InvalidOperationException: Writing is not allowed after writer was completed.
  3198. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  3199. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3200. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3201. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  3202. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  3203. Failed writing message. Aborting connection.
  3204. System.InvalidOperationException: Writing is not allowed after writer was completed.
  3205. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  3206. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3207. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3208. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  3209. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  3210. Failed writing message. Aborting connection.
  3211. System.InvalidOperationException: Writing is not allowed after writer was completed.
  3212. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  3213. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3214. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3215. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  3216. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  3217. Failed writing message. Aborting connection.
  3218. System.InvalidOperationException: Writing is not allowed after writer was completed.
  3219. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  3220. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3221. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3222. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  3223. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  3224. Failed writing message. Aborting connection.
  3225. System.InvalidOperationException: Writing is not allowed after writer was completed.
  3226. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  3227. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3228. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3229. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  3230. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  3231. Failed writing message. Aborting connection.
  3232. System.InvalidOperationException: Writing is not allowed after writer was completed.
  3233. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  3234. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3235. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3236. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  3237. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  3238. Failed writing message. Aborting connection.
  3239. System.InvalidOperationException: Writing is not allowed after writer was completed.
  3240. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  3241. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3242. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3243. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  3244. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  3245. Failed writing message. Aborting connection.
  3246. System.InvalidOperationException: Writing is not allowed after writer was completed.
  3247. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  3248. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3249. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3250. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  3251. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  3252. Failed writing message. Aborting connection.
  3253. System.InvalidOperationException: Writing is not allowed after writer was completed.
  3254. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  3255. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3256. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3257. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  3258. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  3259. Failed writing message. Aborting connection.
  3260. System.InvalidOperationException: Writing is not allowed after writer was completed.
  3261. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  3262. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3263. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3264. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  3265. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  3266. Failed writing message. Aborting connection.
  3267. System.InvalidOperationException: Writing is not allowed after writer was completed.
  3268. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  3269. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3270. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3271. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  3272. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  3273. Failed writing message. Aborting connection.
  3274. System.InvalidOperationException: Writing is not allowed after writer was completed.
  3275. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  3276. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3277. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3278. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  3279. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  3280. Failed writing message. Aborting connection.
  3281. System.InvalidOperationException: Writing is not allowed after writer was completed.
  3282. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  3283. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3284. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3285. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  3286. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  3287. Failed writing message. Aborting connection.
  3288. System.InvalidOperationException: Writing is not allowed after writer was completed.
  3289. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  3290. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3291. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3292. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  3293. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  3294. Failed writing message. Aborting connection.
  3295. System.InvalidOperationException: Writing is not allowed after writer was completed.
  3296. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  3297. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3298. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3299. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  3300. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  3301. Failed writing message. Aborting connection.
  3302. System.InvalidOperationException: Writing is not allowed after writer was completed.
  3303. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  3304. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3305. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3306. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  3307. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  3308. Failed writing message. Aborting connection.
  3309. System.InvalidOperationException: Writing is not allowed after writer was completed.
  3310. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  3311. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3312. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3313. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  3314. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  3315. Failed writing message. Aborting connection.
  3316. System.InvalidOperationException: Writing is not allowed after writer was completed.
  3317. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  3318. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3319. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3320. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  3321. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  3322. Failed writing message. Aborting connection.
  3323. System.InvalidOperationException: Writing is not allowed after writer was completed.
  3324. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  3325. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3326. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3327. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  3328. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  3329. Failed writing message. Aborting connection.
  3330. System.InvalidOperationException: Writing is not allowed after writer was completed.
  3331. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  3332. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3333. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3334. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  3335. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  3336. Failed writing message. Aborting connection.
  3337. System.InvalidOperationException: Writing is not allowed after writer was completed.
  3338. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  3339. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3340. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3341. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  3342. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  3343. Failed writing message. Aborting connection.
  3344. System.InvalidOperationException: Writing is not allowed after writer was completed.
  3345. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  3346. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3347. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3348. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  3349. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  3350. Failed writing message. Aborting connection.
  3351. System.InvalidOperationException: Writing is not allowed after writer was completed.
  3352. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  3353. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3354. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3355. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  3356. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  3357. Failed writing message. Aborting connection.
  3358. System.InvalidOperationException: Writing is not allowed after writer was completed.
  3359. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  3360. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3361. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3362. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  3363. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  3364. Failed writing message. Aborting connection.
  3365. System.InvalidOperationException: Writing is not allowed after writer was completed.
  3366. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  3367. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3368. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3369. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  3370. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  3371. Failed writing message. Aborting connection.
  3372. System.InvalidOperationException: Writing is not allowed after writer was completed.
  3373. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  3374. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3375. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3376. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  3377. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  3378. Failed writing message. Aborting connection.
  3379. System.InvalidOperationException: Writing is not allowed after writer was completed.
  3380. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  3381. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3382. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3383. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  3384. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  3385. Failed writing message. Aborting connection.
  3386. System.InvalidOperationException: Writing is not allowed after writer was completed.
  3387. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  3388. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3389. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3390. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  3391. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  3392. Failed writing message. Aborting connection.
  3393. System.InvalidOperationException: Writing is not allowed after writer was completed.
  3394. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  3395. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3396. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3397. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  3398. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  3399. Failed writing message. Aborting connection.
  3400. System.InvalidOperationException: Writing is not allowed after writer was completed.
  3401. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  3402. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3403. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3404. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  3405. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  3406. Failed writing message. Aborting connection.
  3407. System.InvalidOperationException: Writing is not allowed after writer was completed.
  3408. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  3409. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3410. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3411. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  3412. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  3413. Failed writing message. Aborting connection.
  3414. System.InvalidOperationException: Writing is not allowed after writer was completed.
  3415. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  3416. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3417. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3418. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  3419. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  3420. Failed writing message. Aborting connection.
  3421. System.InvalidOperationException: Writing is not allowed after writer was completed.
  3422. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  3423. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3424. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3425. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  3426. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  3427. Failed writing message. Aborting connection.
  3428. System.InvalidOperationException: Writing is not allowed after writer was completed.
  3429. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  3430. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3431. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3432. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  3433. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  3434. Failed writing message. Aborting connection.
  3435. System.InvalidOperationException: Writing is not allowed after writer was completed.
  3436. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  3437. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3438. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3439. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  3440. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  3441. Failed writing message. Aborting connection.
  3442. System.InvalidOperationException: Writing is not allowed after writer was completed.
  3443. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  3444. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3445. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3446. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  3447. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  3448. Failed writing message. Aborting connection.
  3449. System.InvalidOperationException: Writing is not allowed after writer was completed.
  3450. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  3451. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3452. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3453. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  3454. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  3455. Failed writing message. Aborting connection.
  3456. System.InvalidOperationException: Writing is not allowed after writer was completed.
  3457. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  3458. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3459. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3460. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  3461. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  3462. Failed writing message. Aborting connection.
  3463. System.InvalidOperationException: Writing is not allowed after writer was completed.
  3464. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  3465. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3466. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3467. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  3468. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  3469. Failed writing message. Aborting connection.
  3470. System.InvalidOperationException: Writing is not allowed after writer was completed.
  3471. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  3472. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3473. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3474. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  3475. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  3476. Failed writing message. Aborting connection.
  3477. System.InvalidOperationException: Writing is not allowed after writer was completed.
  3478. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  3479. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3480. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3481. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  3482. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  3483. Failed writing message. Aborting connection.
  3484. System.InvalidOperationException: Writing is not allowed after writer was completed.
  3485. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  3486. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3487. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3488. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  3489. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  3490. Failed writing message. Aborting connection.
  3491. System.InvalidOperationException: Writing is not allowed after writer was completed.
  3492. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  3493. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3494. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3495. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  3496. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  3497. Failed writing message. Aborting connection.
  3498. System.InvalidOperationException: Writing is not allowed after writer was completed.
  3499. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  3500. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3501. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3502. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  3503. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  3504. Failed writing message. Aborting connection.
  3505. System.InvalidOperationException: Writing is not allowed after writer was completed.
  3506. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  3507. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3508. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3509. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  3510. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  3511. Failed writing message. Aborting connection.
  3512. System.InvalidOperationException: Writing is not allowed after writer was completed.
  3513. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  3514. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3515. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3516. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  3517. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  3518. Failed writing message. Aborting connection.
  3519. System.InvalidOperationException: Writing is not allowed after writer was completed.
  3520. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  3521. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3522. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3523. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  3524. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  3525. Failed writing message. Aborting connection.
  3526. System.InvalidOperationException: Writing is not allowed after writer was completed.
  3527. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  3528. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3529. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3530. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  3531. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  3532. Failed writing message. Aborting connection.
  3533. System.InvalidOperationException: Writing is not allowed after writer was completed.
  3534. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  3535. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3536. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3537. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  3538. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  3539. Failed writing message. Aborting connection.
  3540. System.InvalidOperationException: Writing is not allowed after writer was completed.
  3541. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  3542. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3543. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3544. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  3545. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  3546. Failed writing message. Aborting connection.
  3547. System.InvalidOperationException: Writing is not allowed after writer was completed.
  3548. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  3549. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3550. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3551. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  3552. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  3553. Failed writing message. Aborting connection.
  3554. System.InvalidOperationException: Writing is not allowed after writer was completed.
  3555. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  3556. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3557. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3558. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  3559. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  3560. Failed writing message. Aborting connection.
  3561. System.InvalidOperationException: Writing is not allowed after writer was completed.
  3562. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  3563. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3564. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3565. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  3566. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  3567. Failed writing message. Aborting connection.
  3568. System.InvalidOperationException: Writing is not allowed after writer was completed.
  3569. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  3570. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3571. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3572. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  3573. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  3574. Failed writing message. Aborting connection.
  3575. System.InvalidOperationException: Writing is not allowed after writer was completed.
  3576. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  3577. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3578. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3579. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  3580. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  3581. Failed writing message. Aborting connection.
  3582. System.InvalidOperationException: Writing is not allowed after writer was completed.
  3583. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  3584. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3585. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3586. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  3587. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  3588. Failed writing message. Aborting connection.
  3589. System.InvalidOperationException: Writing is not allowed after writer was completed.
  3590. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  3591. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3592. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3593. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  3594. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  3595. Failed writing message. Aborting connection.
  3596. System.InvalidOperationException: Writing is not allowed after writer was completed.
  3597. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  3598. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3599. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3600. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  3601. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  3602. Failed writing message. Aborting connection.
  3603. System.InvalidOperationException: Writing is not allowed after writer was completed.
  3604. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  3605. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3606. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3607. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  3608. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  3609. Failed writing message. Aborting connection.
  3610. System.InvalidOperationException: Writing is not allowed after writer was completed.
  3611. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  3612. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3613. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3614. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  3615. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  3616. Failed writing message. Aborting connection.
  3617. System.InvalidOperationException: Writing is not allowed after writer was completed.
  3618. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  3619. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3620. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3621. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  3622. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  3623. Failed writing message. Aborting connection.
  3624. System.InvalidOperationException: Writing is not allowed after writer was completed.
  3625. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  3626. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3627. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3628. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  3629. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  3630. Failed writing message. Aborting connection.
  3631. System.InvalidOperationException: Writing is not allowed after writer was completed.
  3632. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  3633. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3634. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3635. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  3636. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  3637. Failed writing message. Aborting connection.
  3638. System.InvalidOperationException: Writing is not allowed after writer was completed.
  3639. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  3640. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3641. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3642. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  3643. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  3644. Failed writing message. Aborting connection.
  3645. System.InvalidOperationException: Writing is not allowed after writer was completed.
  3646. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  3647. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3648. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3649. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  3650. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  3651. Failed writing message. Aborting connection.
  3652. System.InvalidOperationException: Writing is not allowed after writer was completed.
  3653. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  3654. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3655. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3656. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  3657. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  3658. Failed writing message. Aborting connection.
  3659. System.InvalidOperationException: Writing is not allowed after writer was completed.
  3660. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  3661. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3662. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3663. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  3664. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  3665. Failed writing message. Aborting connection.
  3666. System.InvalidOperationException: Writing is not allowed after writer was completed.
  3667. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  3668. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3669. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3670. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  3671. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  3672. Failed writing message. Aborting connection.
  3673. System.InvalidOperationException: Writing is not allowed after writer was completed.
  3674. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  3675. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3676. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3677. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  3678. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  3679. Failed writing message. Aborting connection.
  3680. System.InvalidOperationException: Writing is not allowed after writer was completed.
  3681. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  3682. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3683. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3684. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  3685. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  3686. Failed writing message. Aborting connection.
  3687. System.InvalidOperationException: Writing is not allowed after writer was completed.
  3688. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  3689. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3690. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3691. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  3692. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  3693. Failed writing message. Aborting connection.
  3694. System.InvalidOperationException: Writing is not allowed after writer was completed.
  3695. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  3696. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3697. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3698. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  3699. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  3700. Failed writing message. Aborting connection.
  3701. System.InvalidOperationException: Writing is not allowed after writer was completed.
  3702. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  3703. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3704. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3705. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  3706. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  3707. Failed writing message. Aborting connection.
  3708. System.InvalidOperationException: Writing is not allowed after writer was completed.
  3709. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  3710. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3711. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3712. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  3713. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  3714. Failed writing message. Aborting connection.
  3715. System.InvalidOperationException: Writing is not allowed after writer was completed.
  3716. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  3717. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3718. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3719. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  3720. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  3721. Failed writing message. Aborting connection.
  3722. System.InvalidOperationException: Writing is not allowed after writer was completed.
  3723. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  3724. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3725. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3726. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  3727. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  3728. Failed writing message. Aborting connection.
  3729. System.InvalidOperationException: Writing is not allowed after writer was completed.
  3730. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  3731. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3732. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3733. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  3734. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  3735. Failed writing message. Aborting connection.
  3736. System.InvalidOperationException: Writing is not allowed after writer was completed.
  3737. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  3738. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3739. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3740. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  3741. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  3742. Failed writing message. Aborting connection.
  3743. System.InvalidOperationException: Writing is not allowed after writer was completed.
  3744. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  3745. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3746. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3747. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  3748. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  3749. Failed writing message. Aborting connection.
  3750. System.InvalidOperationException: Writing is not allowed after writer was completed.
  3751. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  3752. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3753. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3754. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  3755. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  3756. Failed writing message. Aborting connection.
  3757. System.InvalidOperationException: Writing is not allowed after writer was completed.
  3758. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  3759. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3760. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3761. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  3762. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  3763. Failed writing message. Aborting connection.
  3764. System.InvalidOperationException: Writing is not allowed after writer was completed.
  3765. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  3766. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3767. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3768. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  3769. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  3770. Failed writing message. Aborting connection.
  3771. System.InvalidOperationException: Writing is not allowed after writer was completed.
  3772. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  3773. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3774. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3775. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  3776. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  3777. Failed writing message. Aborting connection.
  3778. System.InvalidOperationException: Writing is not allowed after writer was completed.
  3779. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  3780. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3781. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3782. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  3783. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  3784. Failed writing message. Aborting connection.
  3785. System.InvalidOperationException: Writing is not allowed after writer was completed.
  3786. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  3787. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3788. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3789. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  3790. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  3791. Failed writing message. Aborting connection.
  3792. System.InvalidOperationException: Writing is not allowed after writer was completed.
  3793. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  3794. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3795. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3796. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  3797. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  3798. Failed writing message. Aborting connection.
  3799. System.InvalidOperationException: Writing is not allowed after writer was completed.
  3800. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  3801. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3802. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3803. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  3804. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  3805. Failed writing message. Aborting connection.
  3806. System.InvalidOperationException: Writing is not allowed after writer was completed.
  3807. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  3808. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3809. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3810. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  3811. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  3812. Failed writing message. Aborting connection.
  3813. System.InvalidOperationException: Writing is not allowed after writer was completed.
  3814. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  3815. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3816. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3817. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  3818. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  3819. Failed writing message. Aborting connection.
  3820. System.InvalidOperationException: Writing is not allowed after writer was completed.
  3821. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  3822. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3823. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3824. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  3825. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  3826. Failed writing message. Aborting connection.
  3827. System.InvalidOperationException: Writing is not allowed after writer was completed.
  3828. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  3829. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3830. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3831. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  3832. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  3833. Failed writing message. Aborting connection.
  3834. System.InvalidOperationException: Writing is not allowed after writer was completed.
  3835. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  3836. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3837. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3838. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  3839. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  3840. Failed writing message. Aborting connection.
  3841. System.InvalidOperationException: Writing is not allowed after writer was completed.
  3842. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  3843. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3844. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3845. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  3846. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  3847. Failed writing message. Aborting connection.
  3848. System.InvalidOperationException: Writing is not allowed after writer was completed.
  3849. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  3850. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3851. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3852. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  3853. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  3854. Failed writing message. Aborting connection.
  3855. System.InvalidOperationException: Writing is not allowed after writer was completed.
  3856. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  3857. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3858. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3859. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  3860. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  3861. Failed writing message. Aborting connection.
  3862. System.InvalidOperationException: Writing is not allowed after writer was completed.
  3863. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  3864. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3865. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3866. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  3867. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  3868. Failed writing message. Aborting connection.
  3869. System.InvalidOperationException: Writing is not allowed after writer was completed.
  3870. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  3871. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3872. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3873. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  3874. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  3875. Failed writing message. Aborting connection.
  3876. System.InvalidOperationException: Writing is not allowed after writer was completed.
  3877. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  3878. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3879. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3880. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  3881. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  3882. Failed writing message. Aborting connection.
  3883. System.InvalidOperationException: Writing is not allowed after writer was completed.
  3884. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  3885. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3886. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3887. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  3888. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  3889. Heartbeat took longer than "00:00:01" at "06/01/2019 00:41:07 +00:00".
  3890. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  3891. Failed writing message. Aborting connection.
  3892. System.InvalidOperationException: Writing is not allowed after writer was completed.
  3893. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  3894. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3895. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3896. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  3897. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  3898. Failed writing message. Aborting connection.
  3899. System.InvalidOperationException: Writing is not allowed after writer was completed.
  3900. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  3901. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3902. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3903. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  3904. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  3905. Failed writing message. Aborting connection.
  3906. System.InvalidOperationException: Writing is not allowed after writer was completed.
  3907. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  3908. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3909. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3910. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  3911. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  3912. Failed writing message. Aborting connection.
  3913. System.InvalidOperationException: Writing is not allowed after writer was completed.
  3914. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  3915. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3916. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3917. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  3918. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  3919. Failed writing message. Aborting connection.
  3920. System.InvalidOperationException: Writing is not allowed after writer was completed.
  3921. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  3922. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3923. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3924. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  3925. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  3926. Failed writing message. Aborting connection.
  3927. System.InvalidOperationException: Writing is not allowed after writer was completed.
  3928. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  3929. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3930. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3931. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  3932. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  3933. Failed writing message. Aborting connection.
  3934. System.InvalidOperationException: Writing is not allowed after writer was completed.
  3935. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  3936. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3937. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3938. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  3939. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  3940. Failed writing message. Aborting connection.
  3941. System.InvalidOperationException: Writing is not allowed after writer was completed.
  3942. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  3943. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3944. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3945. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  3946. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  3947. Failed writing message. Aborting connection.
  3948. System.InvalidOperationException: Writing is not allowed after writer was completed.
  3949. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  3950. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3951. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3952. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  3953. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  3954. Failed writing message. Aborting connection.
  3955. System.InvalidOperationException: Writing is not allowed after writer was completed.
  3956. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  3957. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3958. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3959. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  3960. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  3961. Failed writing message. Aborting connection.
  3962. System.InvalidOperationException: Writing is not allowed after writer was completed.
  3963. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  3964. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3965. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3966. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  3967. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  3968. Failed writing message. Aborting connection.
  3969. System.InvalidOperationException: Writing is not allowed after writer was completed.
  3970. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  3971. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3972. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3973. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  3974. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  3975. Failed writing message. Aborting connection.
  3976. System.InvalidOperationException: Writing is not allowed after writer was completed.
  3977. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  3978. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3979. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3980. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  3981. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  3982. Failed writing message. Aborting connection.
  3983. System.InvalidOperationException: Writing is not allowed after writer was completed.
  3984. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  3985. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3986. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3987. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  3988. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  3989. Failed writing message. Aborting connection.
  3990. System.InvalidOperationException: Writing is not allowed after writer was completed.
  3991. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  3992. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3993. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3994. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  3995. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  3996. Failed writing message. Aborting connection.
  3997. System.InvalidOperationException: Writing is not allowed after writer was completed.
  3998. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  3999. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4000. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4001. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  4002. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  4003. Failed writing message. Aborting connection.
  4004. System.InvalidOperationException: Writing is not allowed after writer was completed.
  4005. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  4006. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4007. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4008. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  4009. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  4010. Failed writing message. Aborting connection.
  4011. System.InvalidOperationException: Writing is not allowed after writer was completed.
  4012. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  4013. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4014. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4015. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  4016. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  4017. Failed writing message. Aborting connection.
  4018. System.InvalidOperationException: Writing is not allowed after writer was completed.
  4019. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  4020. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4021. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4022. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  4023. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  4024. Failed writing message. Aborting connection.
  4025. System.InvalidOperationException: Writing is not allowed after writer was completed.
  4026. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  4027. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4028. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4029. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  4030. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  4031. Failed writing message. Aborting connection.
  4032. System.InvalidOperationException: Writing is not allowed after writer was completed.
  4033. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  4034. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4035. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4036. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  4037. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  4038. Failed writing message. Aborting connection.
  4039. System.InvalidOperationException: Writing is not allowed after writer was completed.
  4040. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  4041. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4042. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4043. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  4044. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  4045. Failed writing message. Aborting connection.
  4046. System.InvalidOperationException: Writing is not allowed after writer was completed.
  4047. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  4048. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4049. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4050. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  4051. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  4052. Failed writing message. Aborting connection.
  4053. System.InvalidOperationException: Writing is not allowed after writer was completed.
  4054. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  4055. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4056. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4057. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  4058. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  4059. Failed writing message. Aborting connection.
  4060. System.InvalidOperationException: Writing is not allowed after writer was completed.
  4061. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  4062. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4063. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4064. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  4065. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  4066. Failed writing message. Aborting connection.
  4067. System.InvalidOperationException: Writing is not allowed after writer was completed.
  4068. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  4069. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4070. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4071. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  4072. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  4073. Failed writing message. Aborting connection.
  4074. System.InvalidOperationException: Writing is not allowed after writer was completed.
  4075. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  4076. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4077. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4078. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  4079. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  4080. Failed writing message. Aborting connection.
  4081. System.InvalidOperationException: Writing is not allowed after writer was completed.
  4082. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  4083. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4084. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4085. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  4086. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  4087. Failed writing message. Aborting connection.
  4088. System.InvalidOperationException: Writing is not allowed after writer was completed.
  4089. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  4090. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4091. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4092. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  4093. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  4094. Failed writing message. Aborting connection.
  4095. System.InvalidOperationException: Writing is not allowed after writer was completed.
  4096. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  4097. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4098. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4099. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  4100. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  4101. Failed writing message. Aborting connection.
  4102. System.InvalidOperationException: Writing is not allowed after writer was completed.
  4103. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  4104. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4105. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4106. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  4107. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  4108. Failed writing message. Aborting connection.
  4109. System.InvalidOperationException: Writing is not allowed after writer was completed.
  4110. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  4111. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4112. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4113. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  4114. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  4115. Failed writing message. Aborting connection.
  4116. System.InvalidOperationException: Writing is not allowed after writer was completed.
  4117. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  4118. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4119. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4120. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  4121. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  4122. Failed writing message. Aborting connection.
  4123. System.InvalidOperationException: Writing is not allowed after writer was completed.
  4124. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  4125. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4126. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4127. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  4128. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  4129. Failed writing message. Aborting connection.
  4130. System.InvalidOperationException: Writing is not allowed after writer was completed.
  4131. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  4132. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4133. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4134. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  4135. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  4136. Failed writing message. Aborting connection.
  4137. System.InvalidOperationException: Writing is not allowed after writer was completed.
  4138. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  4139. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4140. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4141. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  4142. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  4143. Failed writing message. Aborting connection.
  4144. System.InvalidOperationException: Writing is not allowed after writer was completed.
  4145. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  4146. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4147. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4148. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  4149. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  4150. Failed writing message. Aborting connection.
  4151. System.InvalidOperationException: Writing is not allowed after writer was completed.
  4152. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  4153. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4154. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4155. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  4156. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  4157. Failed writing message. Aborting connection.
  4158. System.InvalidOperationException: Writing is not allowed after writer was completed.
  4159. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  4160. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4161. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4162. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  4163. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  4164. Failed writing message. Aborting connection.
  4165. System.InvalidOperationException: Writing is not allowed after writer was completed.
  4166. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  4167. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4168. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4169. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  4170. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  4171. Failed writing message. Aborting connection.
  4172. System.InvalidOperationException: Writing is not allowed after writer was completed.
  4173. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  4174. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4175. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4176. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  4177. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  4178. Failed writing message. Aborting connection.
  4179. System.InvalidOperationException: Writing is not allowed after writer was completed.
  4180. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  4181. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4182. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4183. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  4184. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  4185. Failed writing message. Aborting connection.
  4186. System.InvalidOperationException: Writing is not allowed after writer was completed.
  4187. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  4188. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4189. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4190. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  4191. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  4192. Failed writing message. Aborting connection.
  4193. System.InvalidOperationException: Writing is not allowed after writer was completed.
  4194. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  4195. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4196. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4197. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  4198. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  4199. Failed writing message. Aborting connection.
  4200. System.InvalidOperationException: Writing is not allowed after writer was completed.
  4201. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  4202. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4203. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4204. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  4205. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  4206. Failed writing message. Aborting connection.
  4207. System.InvalidOperationException: Writing is not allowed after writer was completed.
  4208. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  4209. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4210. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4211. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  4212. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  4213. Failed writing message. Aborting connection.
  4214. System.InvalidOperationException: Writing is not allowed after writer was completed.
  4215. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  4216. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4217. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4218. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  4219. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  4220. Failed writing message. Aborting connection.
  4221. System.InvalidOperationException: Writing is not allowed after writer was completed.
  4222. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  4223. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4224. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4225. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  4226. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  4227. Failed writing message. Aborting connection.
  4228. System.InvalidOperationException: Writing is not allowed after writer was completed.
  4229. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  4230. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4231. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4232. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  4233. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  4234. Failed writing message. Aborting connection.
  4235. System.InvalidOperationException: Writing is not allowed after writer was completed.
  4236. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  4237. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4238. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4239. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  4240. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  4241. Failed writing message. Aborting connection.
  4242. System.InvalidOperationException: Writing is not allowed after writer was completed.
  4243. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  4244. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4245. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4246. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  4247. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  4248. Failed writing message. Aborting connection.
  4249. System.InvalidOperationException: Writing is not allowed after writer was completed.
  4250. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  4251. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4252. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4253. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  4254. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  4255. Failed writing message. Aborting connection.
  4256. System.InvalidOperationException: Writing is not allowed after writer was completed.
  4257. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  4258. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4259. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4260. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  4261. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  4262. Failed writing message. Aborting connection.
  4263. System.InvalidOperationException: Writing is not allowed after writer was completed.
  4264. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  4265. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4266. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4267. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  4268. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  4269. Failed writing message. Aborting connection.
  4270. System.InvalidOperationException: Writing is not allowed after writer was completed.
  4271. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  4272. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4273. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4274. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  4275. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  4276. Failed writing message. Aborting connection.
  4277. System.InvalidOperationException: Writing is not allowed after writer was completed.
  4278. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  4279. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4280. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4281. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  4282. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  4283. Failed writing message. Aborting connection.
  4284. System.InvalidOperationException: Writing is not allowed after writer was completed.
  4285. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  4286. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4287. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4288. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  4289. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  4290. Failed writing message. Aborting connection.
  4291. System.InvalidOperationException: Writing is not allowed after writer was completed.
  4292. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  4293. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4294. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4295. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  4296. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  4297. Failed writing message. Aborting connection.
  4298. System.InvalidOperationException: Writing is not allowed after writer was completed.
  4299. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  4300. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4301. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4302. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  4303. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  4304. Failed writing message. Aborting connection.
  4305. System.InvalidOperationException: Writing is not allowed after writer was completed.
  4306. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  4307. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4308. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4309. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  4310. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  4311. Failed writing message. Aborting connection.
  4312. System.InvalidOperationException: Writing is not allowed after writer was completed.
  4313. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  4314. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4315. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4316. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  4317. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  4318. Failed writing message. Aborting connection.
  4319. System.InvalidOperationException: Writing is not allowed after writer was completed.
  4320. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  4321. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4322. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4323. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  4324. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  4325. Failed writing message. Aborting connection.
  4326. System.InvalidOperationException: Writing is not allowed after writer was completed.
  4327. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  4328. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4329. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4330. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  4331. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  4332. Failed writing message. Aborting connection.
  4333. System.InvalidOperationException: Writing is not allowed after writer was completed.
  4334. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  4335. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4336. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4337. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  4338. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  4339. Failed writing message. Aborting connection.
  4340. System.InvalidOperationException: Writing is not allowed after writer was completed.
  4341. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  4342. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4343. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4344. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  4345. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  4346. Failed writing message. Aborting connection.
  4347. System.InvalidOperationException: Writing is not allowed after writer was completed.
  4348. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  4349. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4350. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4351. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  4352. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  4353. Failed writing message. Aborting connection.
  4354. System.InvalidOperationException: Writing is not allowed after writer was completed.
  4355. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  4356. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4357. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4358. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  4359. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  4360. Failed writing message. Aborting connection.
  4361. System.InvalidOperationException: Writing is not allowed after writer was completed.
  4362. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  4363. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4364. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4365. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  4366. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  4367. Failed writing message. Aborting connection.
  4368. System.InvalidOperationException: Writing is not allowed after writer was completed.
  4369. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  4370. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4371. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4372. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  4373. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  4374. Failed writing message. Aborting connection.
  4375. System.InvalidOperationException: Writing is not allowed after writer was completed.
  4376. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  4377. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4378. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4379. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  4380. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  4381. Failed writing message. Aborting connection.
  4382. System.InvalidOperationException: Writing is not allowed after writer was completed.
  4383. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  4384. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4385. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4386. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  4387. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  4388. Failed writing message. Aborting connection.
  4389. System.InvalidOperationException: Writing is not allowed after writer was completed.
  4390. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  4391. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4392. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4393. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  4394. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  4395. Failed writing message. Aborting connection.
  4396. System.InvalidOperationException: Writing is not allowed after writer was completed.
  4397. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  4398. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4399. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4400. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  4401. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  4402. Failed writing message. Aborting connection.
  4403. System.InvalidOperationException: Writing is not allowed after writer was completed.
  4404. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  4405. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4406. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4407. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  4408. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  4409. Failed writing message. Aborting connection.
  4410. System.InvalidOperationException: Writing is not allowed after writer was completed.
  4411. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  4412. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4413. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4414. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  4415. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  4416. Failed writing message. Aborting connection.
  4417. System.InvalidOperationException: Writing is not allowed after writer was completed.
  4418. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  4419. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4420. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4421. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  4422. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  4423. Failed writing message. Aborting connection.
  4424. System.InvalidOperationException: Writing is not allowed after writer was completed.
  4425. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  4426. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4427. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4428. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  4429. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  4430. Failed writing message. Aborting connection.
  4431. System.InvalidOperationException: Writing is not allowed after writer was completed.
  4432. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  4433. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4434. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4435. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  4436. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  4437. Failed writing message. Aborting connection.
  4438. System.InvalidOperationException: Writing is not allowed after writer was completed.
  4439. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  4440. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4441. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4442. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  4443. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  4444. Failed writing message. Aborting connection.
  4445. System.InvalidOperationException: Writing is not allowed after writer was completed.
  4446. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  4447. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4448. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4449. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  4450. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  4451. Failed writing message. Aborting connection.
  4452. System.InvalidOperationException: Writing is not allowed after writer was completed.
  4453. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  4454. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4455. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4456. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  4457. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  4458. Failed writing message. Aborting connection.
  4459. System.InvalidOperationException: Writing is not allowed after writer was completed.
  4460. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  4461. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4462. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4463. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  4464. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  4465. Failed writing message. Aborting connection.
  4466. System.InvalidOperationException: Writing is not allowed after writer was completed.
  4467. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  4468. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4469. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4470. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  4471. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  4472. Failed writing message. Aborting connection.
  4473. System.InvalidOperationException: Writing is not allowed after writer was completed.
  4474. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  4475. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4476. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4477. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  4478. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  4479. Failed writing message. Aborting connection.
  4480. System.InvalidOperationException: Writing is not allowed after writer was completed.
  4481. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  4482. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4483. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4484. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  4485. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  4486. Failed writing message. Aborting connection.
  4487. System.InvalidOperationException: Writing is not allowed after writer was completed.
  4488. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  4489. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4490. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4491. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  4492. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  4493. Failed writing message. Aborting connection.
  4494. System.InvalidOperationException: Writing is not allowed after writer was completed.
  4495. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  4496. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4497. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4498. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  4499. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  4500. Failed writing message. Aborting connection.
  4501. System.InvalidOperationException: Writing is not allowed after writer was completed.
  4502. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  4503. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4504. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4505. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  4506. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  4507. Failed writing message. Aborting connection.
  4508. System.InvalidOperationException: Writing is not allowed after writer was completed.
  4509. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  4510. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4511. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4512. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  4513. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  4514. Failed writing message. Aborting connection.
  4515. System.InvalidOperationException: Writing is not allowed after writer was completed.
  4516. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  4517. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4518. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4519. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  4520. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  4521. Failed writing message. Aborting connection.
  4522. System.InvalidOperationException: Writing is not allowed after writer was completed.
  4523. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  4524. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4525. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4526. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  4527. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  4528. Failed writing message. Aborting connection.
  4529. System.InvalidOperationException: Writing is not allowed after writer was completed.
  4530. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  4531. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4532. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4533. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  4534. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  4535. Failed writing message. Aborting connection.
  4536. System.InvalidOperationException: Writing is not allowed after writer was completed.
  4537. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  4538. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4539. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4540. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  4541. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  4542. Failed writing message. Aborting connection.
  4543. System.InvalidOperationException: Writing is not allowed after writer was completed.
  4544. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  4545. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4546. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4547. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  4548. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  4549. Failed writing message. Aborting connection.
  4550. System.InvalidOperationException: Writing is not allowed after writer was completed.
  4551. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  4552. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4553. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4554. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  4555. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  4556. Failed writing message. Aborting connection.
  4557. System.InvalidOperationException: Writing is not allowed after writer was completed.
  4558. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  4559. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4560. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4561. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  4562. [00:14:22] Current: 86565, peak: 91541, connected: 0, disconnected: 3952, rate: -3952/s
  4563. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  4564. Failed writing message. Aborting connection.
  4565. System.InvalidOperationException: Writing is not allowed after writer was completed.
  4566. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  4567. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4568. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4569. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  4570. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  4571. Heartbeat took longer than "00:00:01" at "06/01/2019 00:41:08 +00:00".
  4572. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  4573. Failed writing message. Aborting connection.
  4574. System.InvalidOperationException: Writing is not allowed after writer was completed.
  4575. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  4576. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4577. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4578. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  4579. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  4580. Failed writing message. Aborting connection.
  4581. System.InvalidOperationException: Writing is not allowed after writer was completed.
  4582. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  4583. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4584. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4585. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  4586. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  4587. Failed writing message. Aborting connection.
  4588. System.InvalidOperationException: Writing is not allowed after writer was completed.
  4589. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  4590. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4591. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4592. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  4593. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  4594. Failed writing message. Aborting connection.
  4595. System.InvalidOperationException: Writing is not allowed after writer was completed.
  4596. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  4597. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4598. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4599. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  4600. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  4601. Failed writing message. Aborting connection.
  4602. System.InvalidOperationException: Writing is not allowed after writer was completed.
  4603. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  4604. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4605. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4606. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  4607. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  4608. Failed writing message. Aborting connection.
  4609. System.InvalidOperationException: Writing is not allowed after writer was completed.
  4610. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  4611. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4612. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4613. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  4614. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  4615. Failed writing message. Aborting connection.
  4616. System.InvalidOperationException: Writing is not allowed after writer was completed.
  4617. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  4618. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4619. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4620. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  4621. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  4622. Failed writing message. Aborting connection.
  4623. System.InvalidOperationException: Writing is not allowed after writer was completed.
  4624. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  4625. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4626. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4627. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  4628. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  4629. Failed writing message. Aborting connection.
  4630. System.InvalidOperationException: Writing is not allowed after writer was completed.
  4631. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  4632. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4633. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4634. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  4635. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  4636. Failed writing message. Aborting connection.
  4637. System.InvalidOperationException: Writing is not allowed after writer was completed.
  4638. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  4639. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4640. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4641. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  4642. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  4643. Failed writing message. Aborting connection.
  4644. System.InvalidOperationException: Writing is not allowed after writer was completed.
  4645. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  4646. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4647. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4648. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  4649. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  4650. Failed writing message. Aborting connection.
  4651. System.InvalidOperationException: Writing is not allowed after writer was completed.
  4652. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  4653. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4654. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4655. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  4656. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  4657. Failed writing message. Aborting connection.
  4658. System.InvalidOperationException: Writing is not allowed after writer was completed.
  4659. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  4660. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4661. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4662. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  4663. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  4664. Failed writing message. Aborting connection.
  4665. System.InvalidOperationException: Writing is not allowed after writer was completed.
  4666. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  4667. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4668. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4669. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  4670. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  4671. Failed writing message. Aborting connection.
  4672. System.InvalidOperationException: Writing is not allowed after writer was completed.
  4673. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  4674. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4675. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4676. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  4677. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  4678. Failed writing message. Aborting connection.
  4679. System.InvalidOperationException: Writing is not allowed after writer was completed.
  4680. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  4681. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4682. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4683. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  4684. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  4685. Failed writing message. Aborting connection.
  4686. System.InvalidOperationException: Writing is not allowed after writer was completed.
  4687. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  4688. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4689. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4690. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  4691. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  4692. Failed writing message. Aborting connection.
  4693. System.InvalidOperationException: Writing is not allowed after writer was completed.
  4694. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  4695. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4696. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4697. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  4698. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  4699. Failed writing message. Aborting connection.
  4700. System.InvalidOperationException: Writing is not allowed after writer was completed.
  4701. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  4702. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4703. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4704. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  4705. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  4706. Failed writing message. Aborting connection.
  4707. System.InvalidOperationException: Writing is not allowed after writer was completed.
  4708. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  4709. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4710. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4711. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  4712. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  4713. Failed writing message. Aborting connection.
  4714. System.InvalidOperationException: Writing is not allowed after writer was completed.
  4715. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  4716. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4717. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4718. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  4719. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  4720. Failed writing message. Aborting connection.
  4721. System.InvalidOperationException: Writing is not allowed after writer was completed.
  4722. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  4723. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4724. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4725. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  4726. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  4727. Failed writing message. Aborting connection.
  4728. System.InvalidOperationException: Writing is not allowed after writer was completed.
  4729. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  4730. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4731. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4732. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  4733. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  4734. Failed writing message. Aborting connection.
  4735. System.InvalidOperationException: Writing is not allowed after writer was completed.
  4736. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  4737. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4738. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4739. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  4740. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  4741. Failed writing message. Aborting connection.
  4742. System.InvalidOperationException: Writing is not allowed after writer was completed.
  4743. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  4744. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4745. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4746. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  4747. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  4748. Failed writing message. Aborting connection.
  4749. System.InvalidOperationException: Writing is not allowed after writer was completed.
  4750. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  4751. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4752. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4753. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  4754. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  4755. Failed writing message. Aborting connection.
  4756. System.InvalidOperationException: Writing is not allowed after writer was completed.
  4757. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  4758. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4759. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4760. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  4761. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  4762. Failed writing message. Aborting connection.
  4763. System.InvalidOperationException: Writing is not allowed after writer was completed.
  4764. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  4765. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4766. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4767. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  4768. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  4769. Failed writing message. Aborting connection.
  4770. System.InvalidOperationException: Writing is not allowed after writer was completed.
  4771. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  4772. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4773. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4774. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  4775. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  4776. Failed writing message. Aborting connection.
  4777. System.InvalidOperationException: Writing is not allowed after writer was completed.
  4778. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  4779. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4780. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4781. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  4782. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  4783. Failed writing message. Aborting connection.
  4784. System.InvalidOperationException: Writing is not allowed after writer was completed.
  4785. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  4786. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4787. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4788. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  4789. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  4790. Failed writing message. Aborting connection.
  4791. System.InvalidOperationException: Writing is not allowed after writer was completed.
  4792. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  4793. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4794. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4795. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  4796. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  4797. Failed writing message. Aborting connection.
  4798. System.InvalidOperationException: Writing is not allowed after writer was completed.
  4799. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  4800. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4801. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4802. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  4803. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  4804. Failed writing message. Aborting connection.
  4805. System.InvalidOperationException: Writing is not allowed after writer was completed.
  4806. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  4807. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4808. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4809. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  4810. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  4811. Failed writing message. Aborting connection.
  4812. System.InvalidOperationException: Writing is not allowed after writer was completed.
  4813. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  4814. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4815. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4816. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  4817. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  4818. Failed writing message. Aborting connection.
  4819. System.InvalidOperationException: Writing is not allowed after writer was completed.
  4820. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  4821. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4822. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4823. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  4824. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  4825. Failed writing message. Aborting connection.
  4826. System.InvalidOperationException: Writing is not allowed after writer was completed.
  4827. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  4828. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4829. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4830. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  4831. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  4832. Failed writing message. Aborting connection.
  4833. System.InvalidOperationException: Writing is not allowed after writer was completed.
  4834. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  4835. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4836. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4837. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  4838. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  4839. Failed writing message. Aborting connection.
  4840. System.InvalidOperationException: Writing is not allowed after writer was completed.
  4841. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  4842. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4843. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4844. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  4845. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  4846. Failed writing message. Aborting connection.
  4847. System.InvalidOperationException: Writing is not allowed after writer was completed.
  4848. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  4849. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4850. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4851. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  4852. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  4853. Failed writing message. Aborting connection.
  4854. System.InvalidOperationException: Writing is not allowed after writer was completed.
  4855. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  4856. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4857. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4858. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  4859. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  4860. Failed writing message. Aborting connection.
  4861. System.InvalidOperationException: Writing is not allowed after writer was completed.
  4862. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  4863. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4864. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4865. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  4866. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  4867. Failed writing message. Aborting connection.
  4868. System.InvalidOperationException: Writing is not allowed after writer was completed.
  4869. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  4870. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4871. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4872. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  4873. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  4874. Failed writing message. Aborting connection.
  4875. System.InvalidOperationException: Writing is not allowed after writer was completed.
  4876. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  4877. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4878. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4879. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  4880. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  4881. Failed writing message. Aborting connection.
  4882. System.InvalidOperationException: Writing is not allowed after writer was completed.
  4883. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  4884. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4885. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4886. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  4887. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  4888. Failed writing message. Aborting connection.
  4889. System.InvalidOperationException: Writing is not allowed after writer was completed.
  4890. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  4891. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4892. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4893. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  4894. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  4895. Failed writing message. Aborting connection.
  4896. System.InvalidOperationException: Writing is not allowed after writer was completed.
  4897. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  4898. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4899. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4900. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  4901. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  4902. Failed writing message. Aborting connection.
  4903. System.InvalidOperationException: Writing is not allowed after writer was completed.
  4904. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  4905. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4906. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4907. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  4908. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  4909. Failed writing message. Aborting connection.
  4910. System.InvalidOperationException: Writing is not allowed after writer was completed.
  4911. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  4912. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4913. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4914. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  4915. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  4916. Failed writing message. Aborting connection.
  4917. System.InvalidOperationException: Writing is not allowed after writer was completed.
  4918. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  4919. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4920. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4921. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  4922. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  4923. Failed writing message. Aborting connection.
  4924. System.InvalidOperationException: Writing is not allowed after writer was completed.
  4925. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  4926. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4927. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4928. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  4929. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  4930. Failed writing message. Aborting connection.
  4931. System.InvalidOperationException: Writing is not allowed after writer was completed.
  4932. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  4933. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4934. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4935. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  4936. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  4937. Failed writing message. Aborting connection.
  4938. System.InvalidOperationException: Writing is not allowed after writer was completed.
  4939. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  4940. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4941. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4942. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  4943. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  4944. Failed writing message. Aborting connection.
  4945. System.InvalidOperationException: Writing is not allowed after writer was completed.
  4946. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  4947. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4948. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4949. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  4950. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  4951. Failed writing message. Aborting connection.
  4952. System.InvalidOperationException: Writing is not allowed after writer was completed.
  4953. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  4954. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4955. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4956. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  4957. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  4958. Failed writing message. Aborting connection.
  4959. System.InvalidOperationException: Writing is not allowed after writer was completed.
  4960. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  4961. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4962. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4963. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  4964. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  4965. Failed writing message. Aborting connection.
  4966. System.InvalidOperationException: Writing is not allowed after writer was completed.
  4967. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  4968. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4969. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4970. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  4971. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  4972. Failed writing message. Aborting connection.
  4973. System.InvalidOperationException: Writing is not allowed after writer was completed.
  4974. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  4975. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4976. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4977. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  4978. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  4979. Failed writing message. Aborting connection.
  4980. System.InvalidOperationException: Writing is not allowed after writer was completed.
  4981. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  4982. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4983. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4984. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  4985. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  4986. Failed writing message. Aborting connection.
  4987. System.InvalidOperationException: Writing is not allowed after writer was completed.
  4988. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  4989. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4990. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4991. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  4992. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  4993. Failed writing message. Aborting connection.
  4994. System.InvalidOperationException: Writing is not allowed after writer was completed.
  4995. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  4996. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4997. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4998. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  4999. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  5000. Failed writing message. Aborting connection.
  5001. System.InvalidOperationException: Writing is not allowed after writer was completed.
  5002. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  5003. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5004. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5005. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  5006. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  5007. Failed writing message. Aborting connection.
  5008. System.InvalidOperationException: Writing is not allowed after writer was completed.
  5009. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  5010. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5011. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5012. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  5013. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  5014. Failed writing message. Aborting connection.
  5015. System.InvalidOperationException: Writing is not allowed after writer was completed.
  5016. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  5017. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5018. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5019. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  5020. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  5021. Failed writing message. Aborting connection.
  5022. System.InvalidOperationException: Writing is not allowed after writer was completed.
  5023. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  5024. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5025. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5026. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  5027. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  5028. Failed writing message. Aborting connection.
  5029. System.InvalidOperationException: Writing is not allowed after writer was completed.
  5030. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  5031. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5032. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5033. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  5034. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  5035. Failed writing message. Aborting connection.
  5036. System.InvalidOperationException: Writing is not allowed after writer was completed.
  5037. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  5038. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5039. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5040. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  5041. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  5042. Failed writing message. Aborting connection.
  5043. System.InvalidOperationException: Writing is not allowed after writer was completed.
  5044. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  5045. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5046. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5047. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  5048. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  5049. Failed writing message. Aborting connection.
  5050. System.InvalidOperationException: Writing is not allowed after writer was completed.
  5051. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  5052. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5053. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5054. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  5055. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  5056. Failed writing message. Aborting connection.
  5057. System.InvalidOperationException: Writing is not allowed after writer was completed.
  5058. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  5059. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5060. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5061. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  5062. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  5063. Failed writing message. Aborting connection.
  5064. System.InvalidOperationException: Writing is not allowed after writer was completed.
  5065. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  5066. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5067. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5068. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  5069. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  5070. Failed writing message. Aborting connection.
  5071. System.InvalidOperationException: Writing is not allowed after writer was completed.
  5072. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  5073. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5074. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5075. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  5076. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  5077. Failed writing message. Aborting connection.
  5078. System.InvalidOperationException: Writing is not allowed after writer was completed.
  5079. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  5080. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5081. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5082. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  5083. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  5084. Failed writing message. Aborting connection.
  5085. System.InvalidOperationException: Writing is not allowed after writer was completed.
  5086. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  5087. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5088. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5089. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  5090. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  5091. Failed writing message. Aborting connection.
  5092. System.InvalidOperationException: Writing is not allowed after writer was completed.
  5093. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  5094. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5095. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5096. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  5097. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  5098. Failed writing message. Aborting connection.
  5099. System.InvalidOperationException: Writing is not allowed after writer was completed.
  5100. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  5101. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5102. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5103. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  5104. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  5105. Failed writing message. Aborting connection.
  5106. System.InvalidOperationException: Writing is not allowed after writer was completed.
  5107. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  5108. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5109. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5110. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  5111. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  5112. Failed writing message. Aborting connection.
  5113. System.InvalidOperationException: Writing is not allowed after writer was completed.
  5114. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  5115. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5116. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5117. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  5118. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  5119. Failed writing message. Aborting connection.
  5120. System.InvalidOperationException: Writing is not allowed after writer was completed.
  5121. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  5122. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5123. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5124. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  5125. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  5126. Failed writing message. Aborting connection.
  5127. System.InvalidOperationException: Writing is not allowed after writer was completed.
  5128. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  5129. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5130. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5131. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  5132. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  5133. Failed writing message. Aborting connection.
  5134. System.InvalidOperationException: Writing is not allowed after writer was completed.
  5135. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  5136. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5137. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5138. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  5139. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  5140. Failed writing message. Aborting connection.
  5141. System.InvalidOperationException: Writing is not allowed after writer was completed.
  5142. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  5143. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5144. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5145. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  5146. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  5147. Failed writing message. Aborting connection.
  5148. System.InvalidOperationException: Writing is not allowed after writer was completed.
  5149. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  5150. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5151. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5152. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  5153. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  5154. Failed writing message. Aborting connection.
  5155. System.InvalidOperationException: Writing is not allowed after writer was completed.
  5156. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  5157. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5158. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5159. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  5160. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  5161. Failed writing message. Aborting connection.
  5162. System.InvalidOperationException: Writing is not allowed after writer was completed.
  5163. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  5164. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5165. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5166. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  5167. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  5168. Failed writing message. Aborting connection.
  5169. System.InvalidOperationException: Writing is not allowed after writer was completed.
  5170. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  5171. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5172. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5173. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  5174. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  5175. Failed writing message. Aborting connection.
  5176. System.InvalidOperationException: Writing is not allowed after writer was completed.
  5177. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  5178. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5179. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5180. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  5181. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  5182. Failed writing message. Aborting connection.
  5183. System.InvalidOperationException: Writing is not allowed after writer was completed.
  5184. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  5185. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5186. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5187. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  5188. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  5189. Failed writing message. Aborting connection.
  5190. System.InvalidOperationException: Writing is not allowed after writer was completed.
  5191. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  5192. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5193. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5194. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  5195. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  5196. Failed writing message. Aborting connection.
  5197. System.InvalidOperationException: Writing is not allowed after writer was completed.
  5198. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  5199. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5200. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5201. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  5202. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  5203. Failed writing message. Aborting connection.
  5204. System.InvalidOperationException: Writing is not allowed after writer was completed.
  5205. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  5206. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5207. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5208. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  5209. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  5210. Failed writing message. Aborting connection.
  5211. System.InvalidOperationException: Writing is not allowed after writer was completed.
  5212. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  5213. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5214. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5215. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  5216. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  5217. Failed writing message. Aborting connection.
  5218. System.InvalidOperationException: Writing is not allowed after writer was completed.
  5219. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  5220. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5221. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5222. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  5223. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  5224. Failed writing message. Aborting connection.
  5225. System.InvalidOperationException: Writing is not allowed after writer was completed.
  5226. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  5227. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5228. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5229. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  5230. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  5231. Failed writing message. Aborting connection.
  5232. System.InvalidOperationException: Writing is not allowed after writer was completed.
  5233. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  5234. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5235. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5236. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  5237. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  5238. Failed writing message. Aborting connection.
  5239. System.InvalidOperationException: Writing is not allowed after writer was completed.
  5240. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  5241. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5242. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5243. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  5244. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  5245. Failed writing message. Aborting connection.
  5246. System.InvalidOperationException: Writing is not allowed after writer was completed.
  5247. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  5248. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5249. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5250. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  5251. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  5252. Failed writing message. Aborting connection.
  5253. System.InvalidOperationException: Writing is not allowed after writer was completed.
  5254. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  5255. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5256. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5257. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  5258. [00:14:24] Current: 86564, peak: 91541, connected: 0, disconnected: 1, rate: -1/s
  5259. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  5260. Failed writing message. Aborting connection.
  5261. System.InvalidOperationException: Writing is not allowed after writer was completed.
  5262. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  5263. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5264. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5265. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  5266. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  5267. Failed writing message. Aborting connection.
  5268. System.InvalidOperationException: Writing is not allowed after writer was completed.
  5269. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  5270. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5271. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5272. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  5273. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  5274. Failed writing message. Aborting connection.
  5275. System.InvalidOperationException: Writing is not allowed after writer was completed.
  5276. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  5277. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5278. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5279. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  5280. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  5281. Failed writing message. Aborting connection.
  5282. System.InvalidOperationException: Writing is not allowed after writer was completed.
  5283. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  5284. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5285. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5286. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  5287. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  5288. Failed writing message. Aborting connection.
  5289. System.InvalidOperationException: Writing is not allowed after writer was completed.
  5290. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  5291. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5292. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5293. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  5294. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  5295. Failed writing message. Aborting connection.
  5296. System.InvalidOperationException: Writing is not allowed after writer was completed.
  5297. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  5298. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5299. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5300. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  5301. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  5302. Failed writing message. Aborting connection.
  5303. System.InvalidOperationException: Writing is not allowed after writer was completed.
  5304. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  5305. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5306. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5307. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  5308. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  5309. Failed writing message. Aborting connection.
  5310. System.InvalidOperationException: Writing is not allowed after writer was completed.
  5311. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  5312. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5313. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5314. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  5315. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  5316. Failed writing message. Aborting connection.
  5317. System.InvalidOperationException: Writing is not allowed after writer was completed.
  5318. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  5319. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5320. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5321. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  5322. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  5323. Failed writing message. Aborting connection.
  5324. System.InvalidOperationException: Writing is not allowed after writer was completed.
  5325. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  5326. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5327. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5328. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  5329. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  5330. Failed writing message. Aborting connection.
  5331. System.InvalidOperationException: Writing is not allowed after writer was completed.
  5332. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  5333. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5334. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5335. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  5336. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  5337. Failed writing message. Aborting connection.
  5338. System.InvalidOperationException: Writing is not allowed after writer was completed.
  5339. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  5340. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5341. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5342. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  5343. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  5344. Failed writing message. Aborting connection.
  5345. System.InvalidOperationException: Writing is not allowed after writer was completed.
  5346. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  5347. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5348. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5349. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  5350. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  5351. Failed writing message. Aborting connection.
  5352. System.InvalidOperationException: Writing is not allowed after writer was completed.
  5353. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  5354. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5355. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5356. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  5357. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  5358. Failed writing message. Aborting connection.
  5359. System.InvalidOperationException: Writing is not allowed after writer was completed.
  5360. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  5361. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5362. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5363. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  5364. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  5365. Failed writing message. Aborting connection.
  5366. System.InvalidOperationException: Writing is not allowed after writer was completed.
  5367. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  5368. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5369. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5370. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  5371. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  5372. Failed writing message. Aborting connection.
  5373. System.InvalidOperationException: Writing is not allowed after writer was completed.
  5374. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  5375. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5376. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5377. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  5378. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  5379. Failed writing message. Aborting connection.
  5380. System.InvalidOperationException: Writing is not allowed after writer was completed.
  5381. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  5382. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5383. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5384. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  5385. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  5386. Failed writing message. Aborting connection.
  5387. System.InvalidOperationException: Writing is not allowed after writer was completed.
  5388. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  5389. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5390. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5391. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  5392. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  5393. Failed writing message. Aborting connection.
  5394. System.InvalidOperationException: Writing is not allowed after writer was completed.
  5395. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  5396. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5397. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5398. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  5399. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  5400. Failed writing message. Aborting connection.
  5401. System.InvalidOperationException: Writing is not allowed after writer was completed.
  5402. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  5403. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5404. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5405. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  5406. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  5407. Failed writing message. Aborting connection.
  5408. System.InvalidOperationException: Writing is not allowed after writer was completed.
  5409. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  5410. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5411. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5412. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  5413. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  5414. Failed writing message. Aborting connection.
  5415. System.InvalidOperationException: Writing is not allowed after writer was completed.
  5416. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  5417. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5418. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5419. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  5420. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  5421. Failed writing message. Aborting connection.
  5422. System.InvalidOperationException: Writing is not allowed after writer was completed.
  5423. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  5424. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5425. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5426. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  5427. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  5428. Failed writing message. Aborting connection.
  5429. System.InvalidOperationException: Writing is not allowed after writer was completed.
  5430. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  5431. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5432. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5433. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  5434. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  5435. Failed writing message. Aborting connection.
  5436. System.InvalidOperationException: Writing is not allowed after writer was completed.
  5437. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  5438. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5439. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5440. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  5441. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  5442. Failed writing message. Aborting connection.
  5443. System.InvalidOperationException: Writing is not allowed after writer was completed.
  5444. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  5445. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5446. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5447. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  5448. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  5449. Failed writing message. Aborting connection.
  5450. System.InvalidOperationException: Writing is not allowed after writer was completed.
  5451. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  5452. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5453. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5454. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  5455. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  5456. Failed writing message. Aborting connection.
  5457. System.InvalidOperationException: Writing is not allowed after writer was completed.
  5458. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  5459. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5460. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5461. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  5462. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  5463. Failed writing message. Aborting connection.
  5464. System.InvalidOperationException: Writing is not allowed after writer was completed.
  5465. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  5466. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5467. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5468. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  5469. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  5470. Failed writing message. Aborting connection.
  5471. System.InvalidOperationException: Writing is not allowed after writer was completed.
  5472. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  5473. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5474. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5475. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  5476. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  5477. Failed writing message. Aborting connection.
  5478. System.InvalidOperationException: Writing is not allowed after writer was completed.
  5479. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  5480. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5481. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5482. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  5483. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  5484. Failed writing message. Aborting connection.
  5485. System.InvalidOperationException: Writing is not allowed after writer was completed.
  5486. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  5487. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5488. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5489. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  5490. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  5491. Failed writing message. Aborting connection.
  5492. System.InvalidOperationException: Writing is not allowed after writer was completed.
  5493. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  5494. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5495. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5496. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  5497. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  5498. Failed writing message. Aborting connection.
  5499. System.InvalidOperationException: Writing is not allowed after writer was completed.
  5500. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  5501. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5502. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5503. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  5504. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  5505. Failed writing message. Aborting connection.
  5506. System.InvalidOperationException: Writing is not allowed after writer was completed.
  5507. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  5508. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5509. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5510. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  5511. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  5512. Failed writing message. Aborting connection.
  5513. System.InvalidOperationException: Writing is not allowed after writer was completed.
  5514. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  5515. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5516. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5517. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  5518. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  5519. Failed writing message. Aborting connection.
  5520. System.InvalidOperationException: Writing is not allowed after writer was completed.
  5521. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  5522. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5523. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5524. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  5525. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  5526. Failed writing message. Aborting connection.
  5527. System.InvalidOperationException: Writing is not allowed after writer was completed.
  5528. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  5529. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5530. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5531. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  5532. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  5533. Failed writing message. Aborting connection.
  5534. System.InvalidOperationException: Writing is not allowed after writer was completed.
  5535. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  5536. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5537. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5538. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  5539. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  5540. Failed writing message. Aborting connection.
  5541. System.InvalidOperationException: Writing is not allowed after writer was completed.
  5542. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  5543. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5544. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5545. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  5546. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  5547. Failed writing message. Aborting connection.
  5548. System.InvalidOperationException: Writing is not allowed after writer was completed.
  5549. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  5550. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5551. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5552. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  5553. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  5554. Failed writing message. Aborting connection.
  5555. System.InvalidOperationException: Writing is not allowed after writer was completed.
  5556. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  5557. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5558. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5559. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  5560. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  5561. Failed writing message. Aborting connection.
  5562. System.InvalidOperationException: Writing is not allowed after writer was completed.
  5563. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  5564. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5565. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5566. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  5567. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  5568. Failed writing message. Aborting connection.
  5569. System.InvalidOperationException: Writing is not allowed after writer was completed.
  5570. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  5571. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5572. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5573. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  5574. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  5575. Failed writing message. Aborting connection.
  5576. System.InvalidOperationException: Writing is not allowed after writer was completed.
  5577. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  5578. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5579. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5580. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  5581. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  5582. Failed writing message. Aborting connection.
  5583. System.InvalidOperationException: Writing is not allowed after writer was completed.
  5584. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  5585. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5586. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5587. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  5588. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  5589. Failed writing message. Aborting connection.
  5590. System.InvalidOperationException: Writing is not allowed after writer was completed.
  5591. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  5592. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5593. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5594. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  5595. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  5596. Failed writing message. Aborting connection.
  5597. System.InvalidOperationException: Writing is not allowed after writer was completed.
  5598. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  5599. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5600. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5601. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  5602. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  5603. Failed writing message. Aborting connection.
  5604. System.InvalidOperationException: Writing is not allowed after writer was completed.
  5605. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  5606. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5607. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5608. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  5609. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  5610. Failed writing message. Aborting connection.
  5611. System.InvalidOperationException: Writing is not allowed after writer was completed.
  5612. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  5613. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5614. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5615. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  5616. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  5617. Failed writing message. Aborting connection.
  5618. System.InvalidOperationException: Writing is not allowed after writer was completed.
  5619. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  5620. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5621. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5622. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  5623. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  5624. Failed writing message. Aborting connection.
  5625. System.InvalidOperationException: Writing is not allowed after writer was completed.
  5626. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  5627. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5628. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5629. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  5630. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  5631. Failed writing message. Aborting connection.
  5632. System.InvalidOperationException: Writing is not allowed after writer was completed.
  5633. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  5634. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5635. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5636. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  5637. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  5638. Failed writing message. Aborting connection.
  5639. System.InvalidOperationException: Writing is not allowed after writer was completed.
  5640. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  5641. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5642. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5643. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  5644. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  5645. Failed writing message. Aborting connection.
  5646. System.InvalidOperationException: Writing is not allowed after writer was completed.
  5647. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  5648. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5649. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5650. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  5651. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  5652. Failed writing message. Aborting connection.
  5653. System.InvalidOperationException: Writing is not allowed after writer was completed.
  5654. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  5655. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5656. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5657. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  5658. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  5659. Failed writing message. Aborting connection.
  5660. System.InvalidOperationException: Writing is not allowed after writer was completed.
  5661. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  5662. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5663. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5664. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  5665. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  5666. Failed writing message. Aborting connection.
  5667. System.InvalidOperationException: Writing is not allowed after writer was completed.
  5668. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  5669. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5670. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5671. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  5672. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  5673. Failed writing message. Aborting connection.
  5674. System.InvalidOperationException: Writing is not allowed after writer was completed.
  5675. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  5676. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5677. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5678. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  5679. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  5680. Failed writing message. Aborting connection.
  5681. System.InvalidOperationException: Writing is not allowed after writer was completed.
  5682. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  5683. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5684. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5685. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  5686. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  5687. Failed writing message. Aborting connection.
  5688. System.InvalidOperationException: Writing is not allowed after writer was completed.
  5689. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  5690. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5691. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5692. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  5693. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  5694. Failed writing message. Aborting connection.
  5695. System.InvalidOperationException: Writing is not allowed after writer was completed.
  5696. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  5697. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5698. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5699. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  5700. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  5701. Failed writing message. Aborting connection.
  5702. System.InvalidOperationException: Writing is not allowed after writer was completed.
  5703. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  5704. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5705. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5706. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  5707. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  5708. Failed writing message. Aborting connection.
  5709. System.InvalidOperationException: Writing is not allowed after writer was completed.
  5710. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  5711. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5712. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5713. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  5714. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  5715. Failed writing message. Aborting connection.
  5716. System.InvalidOperationException: Writing is not allowed after writer was completed.
  5717. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  5718. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5719. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5720. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  5721. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  5722. Failed writing message. Aborting connection.
  5723. System.InvalidOperationException: Writing is not allowed after writer was completed.
  5724. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  5725. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5726. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5727. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  5728. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  5729. Failed writing message. Aborting connection.
  5730. System.InvalidOperationException: Writing is not allowed after writer was completed.
  5731. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  5732. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5733. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5734. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  5735. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  5736. Failed writing message. Aborting connection.
  5737. System.InvalidOperationException: Writing is not allowed after writer was completed.
  5738. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  5739. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5740. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5741. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  5742. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  5743. Failed writing message. Aborting connection.
  5744. System.InvalidOperationException: Writing is not allowed after writer was completed.
  5745. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  5746. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5747. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5748. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  5749. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  5750. Failed writing message. Aborting connection.
  5751. System.InvalidOperationException: Writing is not allowed after writer was completed.
  5752. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  5753. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5754. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5755. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  5756. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  5757. Failed writing message. Aborting connection.
  5758. System.InvalidOperationException: Writing is not allowed after writer was completed.
  5759. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  5760. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5761. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5762. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  5763. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  5764. Failed writing message. Aborting connection.
  5765. System.InvalidOperationException: Writing is not allowed after writer was completed.
  5766. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  5767. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5768. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5769. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  5770. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  5771. Failed writing message. Aborting connection.
  5772. System.InvalidOperationException: Writing is not allowed after writer was completed.
  5773. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  5774. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5775. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5776. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  5777. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  5778. Failed writing message. Aborting connection.
  5779. System.InvalidOperationException: Writing is not allowed after writer was completed.
  5780. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  5781. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5782. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5783. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  5784. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  5785. Failed writing message. Aborting connection.
  5786. System.InvalidOperationException: Writing is not allowed after writer was completed.
  5787. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  5788. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5789. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5790. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  5791. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  5792. Failed writing message. Aborting connection.
  5793. System.InvalidOperationException: Writing is not allowed after writer was completed.
  5794. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  5795. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5796. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5797. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  5798. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  5799. Failed writing message. Aborting connection.
  5800. System.InvalidOperationException: Writing is not allowed after writer was completed.
  5801. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  5802. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5803. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5804. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  5805. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  5806. Failed writing message. Aborting connection.
  5807. System.InvalidOperationException: Writing is not allowed after writer was completed.
  5808. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  5809. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5810. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5811. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  5812. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  5813. Failed writing message. Aborting connection.
  5814. System.InvalidOperationException: Writing is not allowed after writer was completed.
  5815. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  5816. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5817. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5818. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  5819. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  5820. Failed writing message. Aborting connection.
  5821. System.InvalidOperationException: Writing is not allowed after writer was completed.
  5822. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  5823. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5824. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5825. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  5826. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  5827. Failed writing message. Aborting connection.
  5828. System.InvalidOperationException: Writing is not allowed after writer was completed.
  5829. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  5830. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5831. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5832. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  5833. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  5834. Failed writing message. Aborting connection.
  5835. System.InvalidOperationException: Writing is not allowed after writer was completed.
  5836. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  5837. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5838. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5839. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  5840. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  5841. Failed writing message. Aborting connection.
  5842. System.InvalidOperationException: Writing is not allowed after writer was completed.
  5843. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  5844. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5845. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5846. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  5847. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  5848. Failed writing message. Aborting connection.
  5849. System.InvalidOperationException: Writing is not allowed after writer was completed.
  5850. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  5851. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5852. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5853. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  5854. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  5855. Failed writing message. Aborting connection.
  5856. System.InvalidOperationException: Writing is not allowed after writer was completed.
  5857. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  5858. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5859. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5860. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  5861. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  5862. Failed writing message. Aborting connection.
  5863. System.InvalidOperationException: Writing is not allowed after writer was completed.
  5864. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  5865. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5866. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5867. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  5868. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  5869. Failed writing message. Aborting connection.
  5870. System.InvalidOperationException: Writing is not allowed after writer was completed.
  5871. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  5872. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5873. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5874. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  5875. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  5876. Failed writing message. Aborting connection.
  5877. System.InvalidOperationException: Writing is not allowed after writer was completed.
  5878. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  5879. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5880. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5881. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  5882. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  5883. Failed writing message. Aborting connection.
  5884. System.InvalidOperationException: Writing is not allowed after writer was completed.
  5885. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  5886. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5887. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5888. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  5889. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  5890. Failed writing message. Aborting connection.
  5891. System.InvalidOperationException: Writing is not allowed after writer was completed.
  5892. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  5893. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5894. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5895. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  5896. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  5897. Failed writing message. Aborting connection.
  5898. System.InvalidOperationException: Writing is not allowed after writer was completed.
  5899. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  5900. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5901. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5902. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  5903. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  5904. Failed writing message. Aborting connection.
  5905. System.InvalidOperationException: Writing is not allowed after writer was completed.
  5906. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  5907. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5908. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5909. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  5910. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  5911. Failed writing message. Aborting connection.
  5912. System.InvalidOperationException: Writing is not allowed after writer was completed.
  5913. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  5914. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5915. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5916. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  5917. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  5918. Failed writing message. Aborting connection.
  5919. System.InvalidOperationException: Writing is not allowed after writer was completed.
  5920. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  5921. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5922. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5923. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  5924. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  5925. Failed writing message. Aborting connection.
  5926. System.InvalidOperationException: Writing is not allowed after writer was completed.
  5927. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  5928. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5929. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5930. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  5931. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  5932. Failed writing message. Aborting connection.
  5933. System.InvalidOperationException: Writing is not allowed after writer was completed.
  5934. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  5935. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5936. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5937. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  5938. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  5939. Failed writing message. Aborting connection.
  5940. System.InvalidOperationException: Writing is not allowed after writer was completed.
  5941. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  5942. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5943. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5944. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  5945. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  5946. Failed writing message. Aborting connection.
  5947. System.InvalidOperationException: Writing is not allowed after writer was completed.
  5948. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  5949. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5950. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5951. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  5952. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  5953. Failed writing message. Aborting connection.
  5954. System.InvalidOperationException: Writing is not allowed after writer was completed.
  5955. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  5956. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5957. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5958. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  5959. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  5960. Failed writing message. Aborting connection.
  5961. System.InvalidOperationException: Writing is not allowed after writer was completed.
  5962. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  5963. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5964. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5965. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  5966. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  5967. Failed writing message. Aborting connection.
  5968. System.InvalidOperationException: Writing is not allowed after writer was completed.
  5969. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  5970. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5971. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5972. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  5973. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  5974. Failed writing message. Aborting connection.
  5975. System.InvalidOperationException: Writing is not allowed after writer was completed.
  5976. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  5977. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5978. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5979. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  5980. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  5981. Failed writing message. Aborting connection.
  5982. System.InvalidOperationException: Writing is not allowed after writer was completed.
  5983. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  5984. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5985. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5986. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  5987. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  5988. Failed writing message. Aborting connection.
  5989. System.InvalidOperationException: Writing is not allowed after writer was completed.
  5990. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  5991. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5992. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5993. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  5994. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  5995. Failed writing message. Aborting connection.
  5996. System.InvalidOperationException: Writing is not allowed after writer was completed.
  5997. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  5998. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5999. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6000. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  6001. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  6002. Failed writing message. Aborting connection.
  6003. System.InvalidOperationException: Writing is not allowed after writer was completed.
  6004. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  6005. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6006. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6007. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  6008. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  6009. Failed writing message. Aborting connection.
  6010. System.InvalidOperationException: Writing is not allowed after writer was completed.
  6011. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  6012. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6013. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6014. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  6015. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  6016. Failed writing message. Aborting connection.
  6017. System.InvalidOperationException: Writing is not allowed after writer was completed.
  6018. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  6019. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6020. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6021. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  6022. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  6023. Failed writing message. Aborting connection.
  6024. System.InvalidOperationException: Writing is not allowed after writer was completed.
  6025. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  6026. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6027. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6028. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  6029. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  6030. Failed writing message. Aborting connection.
  6031. System.InvalidOperationException: Writing is not allowed after writer was completed.
  6032. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  6033. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6034. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6035. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  6036. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  6037. Failed writing message. Aborting connection.
  6038. System.InvalidOperationException: Writing is not allowed after writer was completed.
  6039. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  6040. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6041. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6042. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  6043. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  6044. Failed writing message. Aborting connection.
  6045. System.InvalidOperationException: Writing is not allowed after writer was completed.
  6046. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  6047. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6048. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6049. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  6050. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  6051. Failed writing message. Aborting connection.
  6052. System.InvalidOperationException: Writing is not allowed after writer was completed.
  6053. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  6054. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6055. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6056. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  6057. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  6058. Failed writing message. Aborting connection.
  6059. System.InvalidOperationException: Writing is not allowed after writer was completed.
  6060. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  6061. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6062. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6063. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  6064. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  6065. Failed writing message. Aborting connection.
  6066. System.InvalidOperationException: Writing is not allowed after writer was completed.
  6067. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  6068. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6069. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6070. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  6071. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  6072. Failed writing message. Aborting connection.
  6073. System.InvalidOperationException: Writing is not allowed after writer was completed.
  6074. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  6075. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6076. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6077. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  6078. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  6079. Failed writing message. Aborting connection.
  6080. System.InvalidOperationException: Writing is not allowed after writer was completed.
  6081. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  6082. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6083. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6084. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  6085. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  6086. Failed writing message. Aborting connection.
  6087. System.InvalidOperationException: Writing is not allowed after writer was completed.
  6088. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  6089. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6090. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6091. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  6092. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  6093. Failed writing message. Aborting connection.
  6094. System.InvalidOperationException: Writing is not allowed after writer was completed.
  6095. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  6096. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6097. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6098. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  6099. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  6100. Failed writing message. Aborting connection.
  6101. System.InvalidOperationException: Writing is not allowed after writer was completed.
  6102. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  6103. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6104. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6105. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  6106. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  6107. Failed writing message. Aborting connection.
  6108. System.InvalidOperationException: Writing is not allowed after writer was completed.
  6109. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  6110. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6111. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6112. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  6113. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  6114. Failed writing message. Aborting connection.
  6115. System.InvalidOperationException: Writing is not allowed after writer was completed.
  6116. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  6117. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6118. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6119. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  6120. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  6121. Failed writing message. Aborting connection.
  6122. System.InvalidOperationException: Writing is not allowed after writer was completed.
  6123. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  6124. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6125. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6126. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  6127. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  6128. Failed writing message. Aborting connection.
  6129. System.InvalidOperationException: Writing is not allowed after writer was completed.
  6130. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  6131. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6132. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6133. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  6134. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  6135. Failed writing message. Aborting connection.
  6136. System.InvalidOperationException: Writing is not allowed after writer was completed.
  6137. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  6138. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6139. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6140. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  6141. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  6142. Failed writing message. Aborting connection.
  6143. System.InvalidOperationException: Writing is not allowed after writer was completed.
  6144. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  6145. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6146. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6147. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  6148. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  6149. Failed writing message. Aborting connection.
  6150. System.InvalidOperationException: Writing is not allowed after writer was completed.
  6151. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  6152. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6153. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6154. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  6155. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  6156. Failed writing message. Aborting connection.
  6157. System.InvalidOperationException: Writing is not allowed after writer was completed.
  6158. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  6159. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6160. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6161. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  6162. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  6163. Failed writing message. Aborting connection.
  6164. System.InvalidOperationException: Writing is not allowed after writer was completed.
  6165. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  6166. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6167. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6168. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  6169. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  6170. Failed writing message. Aborting connection.
  6171. System.InvalidOperationException: Writing is not allowed after writer was completed.
  6172. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  6173. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6174. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6175. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  6176. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  6177. Failed writing message. Aborting connection.
  6178. System.InvalidOperationException: Writing is not allowed after writer was completed.
  6179. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  6180. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6181. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6182. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  6183. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  6184. Failed writing message. Aborting connection.
  6185. System.InvalidOperationException: Writing is not allowed after writer was completed.
  6186. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  6187. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6188. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6189. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  6190. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  6191. Failed writing message. Aborting connection.
  6192. System.InvalidOperationException: Writing is not allowed after writer was completed.
  6193. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  6194. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6195. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6196. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  6197. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  6198. Failed writing message. Aborting connection.
  6199. System.InvalidOperationException: Writing is not allowed after writer was completed.
  6200. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  6201. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6202. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6203. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  6204. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  6205. Failed writing message. Aborting connection.
  6206. System.InvalidOperationException: Writing is not allowed after writer was completed.
  6207. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  6208. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6209. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6210. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  6211. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  6212. Failed writing message. Aborting connection.
  6213. System.InvalidOperationException: Writing is not allowed after writer was completed.
  6214. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  6215. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6216. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6217. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  6218. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  6219. Failed writing message. Aborting connection.
  6220. System.InvalidOperationException: Writing is not allowed after writer was completed.
  6221. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  6222. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6223. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6224. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  6225. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  6226. Failed writing message. Aborting connection.
  6227. System.InvalidOperationException: Writing is not allowed after writer was completed.
  6228. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  6229. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6230. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6231. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  6232. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  6233. Failed writing message. Aborting connection.
  6234. System.InvalidOperationException: Writing is not allowed after writer was completed.
  6235. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  6236. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6237. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6238. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  6239. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  6240. Failed writing message. Aborting connection.
  6241. System.InvalidOperationException: Writing is not allowed after writer was completed.
  6242. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  6243. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6244. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6245. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  6246. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  6247. Failed writing message. Aborting connection.
  6248. System.InvalidOperationException: Writing is not allowed after writer was completed.
  6249. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  6250. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6251. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6252. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  6253. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  6254. Failed writing message. Aborting connection.
  6255. System.InvalidOperationException: Writing is not allowed after writer was completed.
  6256. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  6257. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6258. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6259. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  6260. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  6261. Failed writing message. Aborting connection.
  6262. System.InvalidOperationException: Writing is not allowed after writer was completed.
  6263. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  6264. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6265. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6266. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  6267. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  6268. Failed writing message. Aborting connection.
  6269. System.InvalidOperationException: Writing is not allowed after writer was completed.
  6270. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  6271. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6272. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6273. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  6274. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  6275. Failed writing message. Aborting connection.
  6276. System.InvalidOperationException: Writing is not allowed after writer was completed.
  6277. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  6278. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6279. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6280. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  6281. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  6282. Failed writing message. Aborting connection.
  6283. System.InvalidOperationException: Writing is not allowed after writer was completed.
  6284. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  6285. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6286. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6287. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  6288. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  6289. Failed writing message. Aborting connection.
  6290. System.InvalidOperationException: Writing is not allowed after writer was completed.
  6291. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  6292. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6293. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6294. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  6295. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  6296. Failed writing message. Aborting connection.
  6297. System.InvalidOperationException: Writing is not allowed after writer was completed.
  6298. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  6299. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6300. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6301. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  6302. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  6303. Failed writing message. Aborting connection.
  6304. System.InvalidOperationException: Writing is not allowed after writer was completed.
  6305. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  6306. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6307. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6308. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  6309. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  6310. Failed writing message. Aborting connection.
  6311. System.InvalidOperationException: Writing is not allowed after writer was completed.
  6312. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  6313. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6314. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6315. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  6316. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  6317. Failed writing message. Aborting connection.
  6318. System.InvalidOperationException: Writing is not allowed after writer was completed.
  6319. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  6320. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6321. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6322. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  6323. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  6324. Failed writing message. Aborting connection.
  6325. System.InvalidOperationException: Writing is not allowed after writer was completed.
  6326. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  6327. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6328. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6329. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  6330. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  6331. Failed writing message. Aborting connection.
  6332. System.InvalidOperationException: Writing is not allowed after writer was completed.
  6333. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  6334. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6335. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6336. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  6337. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  6338. Failed writing message. Aborting connection.
  6339. System.InvalidOperationException: Writing is not allowed after writer was completed.
  6340. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  6341. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6342. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6343. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  6344. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  6345. Failed writing message. Aborting connection.
  6346. System.InvalidOperationException: Writing is not allowed after writer was completed.
  6347. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  6348. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6349. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6350. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  6351. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  6352. Failed writing message. Aborting connection.
  6353. System.InvalidOperationException: Writing is not allowed after writer was completed.
  6354. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  6355. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6356. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6357. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  6358. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  6359. Failed writing message. Aborting connection.
  6360. System.InvalidOperationException: Writing is not allowed after writer was completed.
  6361. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  6362. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6363. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6364. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  6365. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  6366. Failed writing message. Aborting connection.
  6367. System.InvalidOperationException: Writing is not allowed after writer was completed.
  6368. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  6369. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6370. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6371. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  6372. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  6373. Failed writing message. Aborting connection.
  6374. System.InvalidOperationException: Writing is not allowed after writer was completed.
  6375. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  6376. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6377. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6378. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  6379. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  6380. Failed writing message. Aborting connection.
  6381. System.InvalidOperationException: Writing is not allowed after writer was completed.
  6382. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  6383. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6384. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6385. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  6386. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  6387. Failed writing message. Aborting connection.
  6388. System.InvalidOperationException: Writing is not allowed after writer was completed.
  6389. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  6390. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6391. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6392. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  6393. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  6394. Failed writing message. Aborting connection.
  6395. System.InvalidOperationException: Writing is not allowed after writer was completed.
  6396. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  6397. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6398. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6399. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  6400. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  6401. Failed writing message. Aborting connection.
  6402. System.InvalidOperationException: Writing is not allowed after writer was completed.
  6403. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  6404. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6405. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6406. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  6407. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  6408. Failed writing message. Aborting connection.
  6409. System.InvalidOperationException: Writing is not allowed after writer was completed.
  6410. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  6411. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6412. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6413. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  6414. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  6415. Failed writing message. Aborting connection.
  6416. System.InvalidOperationException: Writing is not allowed after writer was completed.
  6417. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  6418. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6419. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6420. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  6421. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  6422. Failed writing message. Aborting connection.
  6423. System.InvalidOperationException: Writing is not allowed after writer was completed.
  6424. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  6425. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6426. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6427. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  6428. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  6429. Failed writing message. Aborting connection.
  6430. System.InvalidOperationException: Writing is not allowed after writer was completed.
  6431. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  6432. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6433. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6434. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  6435. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  6436. Failed writing message. Aborting connection.
  6437. System.InvalidOperationException: Writing is not allowed after writer was completed.
  6438. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  6439. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6440. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6441. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  6442. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  6443. Failed writing message. Aborting connection.
  6444. System.InvalidOperationException: Writing is not allowed after writer was completed.
  6445. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  6446. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6447. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6448. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  6449. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  6450. Failed writing message. Aborting connection.
  6451. System.InvalidOperationException: Writing is not allowed after writer was completed.
  6452. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  6453. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6454. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6455. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  6456. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  6457. Failed writing message. Aborting connection.
  6458. System.InvalidOperationException: Writing is not allowed after writer was completed.
  6459. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  6460. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6461. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6462. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  6463. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  6464. Failed writing message. Aborting connection.
  6465. System.InvalidOperationException: Writing is not allowed after writer was completed.
  6466. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  6467. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6468. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6469. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  6470. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  6471. Failed writing message. Aborting connection.
  6472. System.InvalidOperationException: Writing is not allowed after writer was completed.
  6473. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  6474. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6475. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6476. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  6477. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  6478. Failed writing message. Aborting connection.
  6479. System.InvalidOperationException: Writing is not allowed after writer was completed.
  6480. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  6481. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6482. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6483. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  6484. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  6485. Failed writing message. Aborting connection.
  6486. System.InvalidOperationException: Writing is not allowed after writer was completed.
  6487. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  6488. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6489. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6490. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  6491. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  6492. Failed writing message. Aborting connection.
  6493. System.InvalidOperationException: Writing is not allowed after writer was completed.
  6494. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  6495. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6496. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6497. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  6498. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  6499. Failed writing message. Aborting connection.
  6500. System.InvalidOperationException: Writing is not allowed after writer was completed.
  6501. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  6502. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6503. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6504. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  6505. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  6506. Failed writing message. Aborting connection.
  6507. System.InvalidOperationException: Writing is not allowed after writer was completed.
  6508. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  6509. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6510. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6511. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  6512. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  6513. Failed writing message. Aborting connection.
  6514. System.InvalidOperationException: Writing is not allowed after writer was completed.
  6515. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  6516. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6517. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6518. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  6519. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  6520. Failed writing message. Aborting connection.
  6521. System.InvalidOperationException: Writing is not allowed after writer was completed.
  6522. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  6523. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6524. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6525. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  6526. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  6527. Failed writing message. Aborting connection.
  6528. System.InvalidOperationException: Writing is not allowed after writer was completed.
  6529. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  6530. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6531. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6532. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  6533. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  6534. Failed writing message. Aborting connection.
  6535. System.InvalidOperationException: Writing is not allowed after writer was completed.
  6536. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  6537. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6538. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6539. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  6540. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  6541. Failed writing message. Aborting connection.
  6542. System.InvalidOperationException: Writing is not allowed after writer was completed.
  6543. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  6544. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6545. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6546. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  6547. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  6548. Failed writing message. Aborting connection.
  6549. System.InvalidOperationException: Writing is not allowed after writer was completed.
  6550. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  6551. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6552. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6553. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  6554. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  6555. Failed writing message. Aborting connection.
  6556. System.InvalidOperationException: Writing is not allowed after writer was completed.
  6557. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  6558. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6559. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6560. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  6561. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  6562. Failed writing message. Aborting connection.
  6563. System.InvalidOperationException: Writing is not allowed after writer was completed.
  6564. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  6565. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6566. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6567. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  6568. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  6569. Failed writing message. Aborting connection.
  6570. System.InvalidOperationException: Writing is not allowed after writer was completed.
  6571. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  6572. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6573. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6574. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  6575. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  6576. Failed writing message. Aborting connection.
  6577. System.InvalidOperationException: Writing is not allowed after writer was completed.
  6578. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  6579. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6580. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6581. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  6582. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  6583. Failed writing message. Aborting connection.
  6584. System.InvalidOperationException: Writing is not allowed after writer was completed.
  6585. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  6586. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6587. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6588. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  6589. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  6590. Failed writing message. Aborting connection.
  6591. System.InvalidOperationException: Writing is not allowed after writer was completed.
  6592. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  6593. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6594. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6595. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  6596. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  6597. Failed writing message. Aborting connection.
  6598. System.InvalidOperationException: Writing is not allowed after writer was completed.
  6599. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  6600. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6601. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6602. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  6603. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  6604. Failed writing message. Aborting connection.
  6605. System.InvalidOperationException: Writing is not allowed after writer was completed.
  6606. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  6607. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6608. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6609. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  6610. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  6611. Failed writing message. Aborting connection.
  6612. System.InvalidOperationException: Writing is not allowed after writer was completed.
  6613. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  6614. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6615. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6616. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  6617. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  6618. Failed writing message. Aborting connection.
  6619. System.InvalidOperationException: Writing is not allowed after writer was completed.
  6620. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  6621. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6622. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6623. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  6624. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  6625. Failed writing message. Aborting connection.
  6626. System.InvalidOperationException: Writing is not allowed after writer was completed.
  6627. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  6628. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6629. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6630. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  6631. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  6632. Failed writing message. Aborting connection.
  6633. System.InvalidOperationException: Writing is not allowed after writer was completed.
  6634. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  6635. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6636. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6637. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  6638. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  6639. Failed writing message. Aborting connection.
  6640. System.InvalidOperationException: Writing is not allowed after writer was completed.
  6641. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  6642. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6643. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6644. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  6645. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  6646. Failed writing message. Aborting connection.
  6647. System.InvalidOperationException: Writing is not allowed after writer was completed.
  6648. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  6649. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6650. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6651. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  6652. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  6653. Failed writing message. Aborting connection.
  6654. System.InvalidOperationException: Writing is not allowed after writer was completed.
  6655. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  6656. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6657. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6658. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  6659. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  6660. Failed writing message. Aborting connection.
  6661. System.InvalidOperationException: Writing is not allowed after writer was completed.
  6662. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  6663. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6664. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6665. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  6666. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  6667. Failed writing message. Aborting connection.
  6668. System.InvalidOperationException: Writing is not allowed after writer was completed.
  6669. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  6670. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6671. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6672. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  6673. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  6674. Failed writing message. Aborting connection.
  6675. System.InvalidOperationException: Writing is not allowed after writer was completed.
  6676. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  6677. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6678. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6679. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  6680. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  6681. Failed writing message. Aborting connection.
  6682. System.InvalidOperationException: Writing is not allowed after writer was completed.
  6683. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  6684. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6685. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6686. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  6687. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  6688. Failed writing message. Aborting connection.
  6689. System.InvalidOperationException: Writing is not allowed after writer was completed.
  6690. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  6691. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6692. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6693. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  6694. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  6695. Failed writing message. Aborting connection.
  6696. System.InvalidOperationException: Writing is not allowed after writer was completed.
  6697. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  6698. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6699. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6700. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  6701. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  6702. Failed writing message. Aborting connection.
  6703. System.InvalidOperationException: Writing is not allowed after writer was completed.
  6704. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  6705. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6706. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6707. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  6708. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  6709. Failed writing message. Aborting connection.
  6710. System.InvalidOperationException: Writing is not allowed after writer was completed.
  6711. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  6712. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6713. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6714. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  6715. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  6716. Failed writing message. Aborting connection.
  6717. System.InvalidOperationException: Writing is not allowed after writer was completed.
  6718. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  6719. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6720. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6721. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  6722. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  6723. Failed writing message. Aborting connection.
  6724. System.InvalidOperationException: Writing is not allowed after writer was completed.
  6725. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  6726. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6727. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6728. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  6729. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  6730. Failed writing message. Aborting connection.
  6731. System.InvalidOperationException: Writing is not allowed after writer was completed.
  6732. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  6733. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6734. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6735. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  6736. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  6737. Failed writing message. Aborting connection.
  6738. System.InvalidOperationException: Writing is not allowed after writer was completed.
  6739. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  6740. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6741. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6742. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  6743. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  6744. Failed writing message. Aborting connection.
  6745. System.InvalidOperationException: Writing is not allowed after writer was completed.
  6746. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  6747. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6748. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6749. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  6750. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  6751. Failed writing message. Aborting connection.
  6752. System.InvalidOperationException: Writing is not allowed after writer was completed.
  6753. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  6754. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6755. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6756. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  6757. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  6758. Failed writing message. Aborting connection.
  6759. System.InvalidOperationException: Writing is not allowed after writer was completed.
  6760. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  6761. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6762. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6763. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  6764. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  6765. Failed writing message. Aborting connection.
  6766. System.InvalidOperationException: Writing is not allowed after writer was completed.
  6767. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  6768. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6769. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6770. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  6771. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  6772. Failed writing message. Aborting connection.
  6773. System.InvalidOperationException: Writing is not allowed after writer was completed.
  6774. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  6775. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6776. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6777. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  6778. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  6779. Failed writing message. Aborting connection.
  6780. System.InvalidOperationException: Writing is not allowed after writer was completed.
  6781. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  6782. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6783. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6784. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  6785. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  6786. Failed writing message. Aborting connection.
  6787. System.InvalidOperationException: Writing is not allowed after writer was completed.
  6788. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  6789. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6790. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6791. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  6792. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  6793. Failed writing message. Aborting connection.
  6794. System.InvalidOperationException: Writing is not allowed after writer was completed.
  6795. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  6796. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6797. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6798. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  6799. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  6800. Failed writing message. Aborting connection.
  6801. System.InvalidOperationException: Writing is not allowed after writer was completed.
  6802. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  6803. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6804. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6805. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  6806. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  6807. Failed writing message. Aborting connection.
  6808. System.InvalidOperationException: Writing is not allowed after writer was completed.
  6809. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  6810. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6811. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6812. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  6813. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  6814. Failed writing message. Aborting connection.
  6815. System.InvalidOperationException: Writing is not allowed after writer was completed.
  6816. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  6817. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6818. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6819. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  6820. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  6821. Failed writing message. Aborting connection.
  6822. System.InvalidOperationException: Writing is not allowed after writer was completed.
  6823. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  6824. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6825. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6826. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  6827. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  6828. Failed writing message. Aborting connection.
  6829. System.InvalidOperationException: Writing is not allowed after writer was completed.
  6830. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  6831. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6832. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6833. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  6834. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  6835. Failed writing message. Aborting connection.
  6836. System.InvalidOperationException: Writing is not allowed after writer was completed.
  6837. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  6838. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6839. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6840. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  6841. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  6842. Failed writing message. Aborting connection.
  6843. System.InvalidOperationException: Writing is not allowed after writer was completed.
  6844. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  6845. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6846. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6847. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  6848. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  6849. Failed writing message. Aborting connection.
  6850. System.InvalidOperationException: Writing is not allowed after writer was completed.
  6851. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  6852. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6853. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6854. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  6855. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  6856. Failed writing message. Aborting connection.
  6857. System.InvalidOperationException: Writing is not allowed after writer was completed.
  6858. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  6859. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6860. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6861. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  6862. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  6863. Failed writing message. Aborting connection.
  6864. System.InvalidOperationException: Writing is not allowed after writer was completed.
  6865. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  6866. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6867. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6868. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  6869. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  6870. Failed writing message. Aborting connection.
  6871. System.InvalidOperationException: Writing is not allowed after writer was completed.
  6872. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  6873. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6874. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6875. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  6876. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  6877. Failed writing message. Aborting connection.
  6878. System.InvalidOperationException: Writing is not allowed after writer was completed.
  6879. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  6880. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6881. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6882. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  6883. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  6884. Failed writing message. Aborting connection.
  6885. System.InvalidOperationException: Writing is not allowed after writer was completed.
  6886. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  6887. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6888. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6889. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  6890. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  6891. Failed writing message. Aborting connection.
  6892. System.InvalidOperationException: Writing is not allowed after writer was completed.
  6893. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  6894. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6895. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6896. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  6897. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  6898. Failed writing message. Aborting connection.
  6899. System.InvalidOperationException: Writing is not allowed after writer was completed.
  6900. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  6901. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6902. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6903. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  6904. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  6905. Failed writing message. Aborting connection.
  6906. System.InvalidOperationException: Writing is not allowed after writer was completed.
  6907. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  6908. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6909. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6910. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  6911. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  6912. Failed writing message. Aborting connection.
  6913. System.InvalidOperationException: Writing is not allowed after writer was completed.
  6914. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  6915. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6916. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6917. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  6918. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  6919. Failed writing message. Aborting connection.
  6920. System.InvalidOperationException: Writing is not allowed after writer was completed.
  6921. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  6922. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6923. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6924. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  6925. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  6926. Failed writing message. Aborting connection.
  6927. System.InvalidOperationException: Writing is not allowed after writer was completed.
  6928. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  6929. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6930. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6931. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  6932. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  6933. Failed writing message. Aborting connection.
  6934. System.InvalidOperationException: Writing is not allowed after writer was completed.
  6935. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  6936. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6937. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6938. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  6939. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  6940. Failed writing message. Aborting connection.
  6941. System.InvalidOperationException: Writing is not allowed after writer was completed.
  6942. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  6943. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6944. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6945. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  6946. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  6947. Failed writing message. Aborting connection.
  6948. System.InvalidOperationException: Writing is not allowed after writer was completed.
  6949. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  6950. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6951. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6952. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  6953. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  6954. Failed writing message. Aborting connection.
  6955. System.InvalidOperationException: Writing is not allowed after writer was completed.
  6956. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  6957. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6958. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6959. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  6960. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  6961. Failed writing message. Aborting connection.
  6962. System.InvalidOperationException: Writing is not allowed after writer was completed.
  6963. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  6964. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6965. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6966. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  6967. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  6968. Failed writing message. Aborting connection.
  6969. System.InvalidOperationException: Writing is not allowed after writer was completed.
  6970. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  6971. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6972. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6973. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  6974. [00:14:25] Current: 86439, peak: 91541, connected: 0, disconnected: 125, rate: -125/s
  6975. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  6976. Failed writing message. Aborting connection.
  6977. System.InvalidOperationException: Writing is not allowed after writer was completed.
  6978. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  6979. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6980. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6981. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  6982. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  6983. Failed writing message. Aborting connection.
  6984. System.InvalidOperationException: Writing is not allowed after writer was completed.
  6985. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  6986. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6987. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6988. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  6989. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  6990. Failed writing message. Aborting connection.
  6991. System.InvalidOperationException: Writing is not allowed after writer was completed.
  6992. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  6993. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6994. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6995. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  6996. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  6997. Failed writing message. Aborting connection.
  6998. System.InvalidOperationException: Writing is not allowed after writer was completed.
  6999. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  7000. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  7001. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  7002. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  7003. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  7004. Failed writing message. Aborting connection.
  7005. System.InvalidOperationException: Writing is not allowed after writer was completed.
  7006. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  7007. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  7008. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  7009. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  7010. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  7011. Failed writing message. Aborting connection.
  7012. System.InvalidOperationException: Writing is not allowed after writer was completed.
  7013. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  7014. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  7015. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  7016. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  7017. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  7018. Failed writing message. Aborting connection.
  7019. System.InvalidOperationException: Writing is not allowed after writer was completed.
  7020. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  7021. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  7022. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  7023. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  7024. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  7025. Failed writing message. Aborting connection.
  7026. System.InvalidOperationException: Writing is not allowed after writer was completed.
  7027. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  7028. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  7029. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  7030. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  7031. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  7032. Failed writing message. Aborting connection.
  7033. System.InvalidOperationException: Writing is not allowed after writer was completed.
  7034. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  7035. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  7036. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  7037. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  7038. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  7039. Failed writing message. Aborting connection.
  7040. System.InvalidOperationException: Writing is not allowed after writer was completed.
  7041. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  7042. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  7043. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  7044. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  7045. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  7046. Failed writing message. Aborting connection.
  7047. System.InvalidOperationException: Writing is not allowed after writer was completed.
  7048. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  7049. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  7050. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  7051. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  7052. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  7053. Failed writing message. Aborting connection.
  7054. System.InvalidOperationException: Writing is not allowed after writer was completed.
  7055. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  7056. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  7057. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  7058. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  7059. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  7060. Failed writing message. Aborting connection.
  7061. System.InvalidOperationException: Writing is not allowed after writer was completed.
  7062. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  7063. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  7064. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  7065. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  7066. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  7067. Failed writing message. Aborting connection.
  7068. System.InvalidOperationException: Writing is not allowed after writer was completed.
  7069. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  7070. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  7071. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  7072. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  7073. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  7074. Failed writing message. Aborting connection.
  7075. System.InvalidOperationException: Writing is not allowed after writer was completed.
  7076. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  7077. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  7078. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  7079. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  7080. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  7081. Failed writing message. Aborting connection.
  7082. System.InvalidOperationException: Writing is not allowed after writer was completed.
  7083. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  7084. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  7085. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  7086. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  7087. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  7088. Failed writing message. Aborting connection.
  7089. System.InvalidOperationException: Writing is not allowed after writer was completed.
  7090. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  7091. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  7092. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  7093. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  7094. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  7095. Failed writing message. Aborting connection.
  7096. System.InvalidOperationException: Writing is not allowed after writer was completed.
  7097. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  7098. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  7099. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  7100. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  7101. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  7102. Failed writing message. Aborting connection.
  7103. System.InvalidOperationException: Writing is not allowed after writer was completed.
  7104. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  7105. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  7106. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  7107. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  7108. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  7109. Failed writing message. Aborting connection.
  7110. System.InvalidOperationException: Writing is not allowed after writer was completed.
  7111. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  7112. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  7113. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  7114. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  7115. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  7116. Failed writing message. Aborting connection.
  7117. System.InvalidOperationException: Writing is not allowed after writer was completed.
  7118. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  7119. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  7120. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  7121. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  7122. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  7123. Failed writing message. Aborting connection.
  7124. System.InvalidOperationException: Writing is not allowed after writer was completed.
  7125. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  7126. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  7127. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  7128. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  7129. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  7130. Failed writing message. Aborting connection.
  7131. System.InvalidOperationException: Writing is not allowed after writer was completed.
  7132. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  7133. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  7134. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  7135. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  7136. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  7137. Failed writing message. Aborting connection.
  7138. System.InvalidOperationException: Writing is not allowed after writer was completed.
  7139. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  7140. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  7141. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  7142. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  7143. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  7144. Failed writing message. Aborting connection.
  7145. System.InvalidOperationException: Writing is not allowed after writer was completed.
  7146. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  7147. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  7148. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  7149. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  7150. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  7151. Failed writing message. Aborting connection.
  7152. System.InvalidOperationException: Writing is not allowed after writer was completed.
  7153. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  7154. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  7155. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  7156. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  7157. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  7158. Failed writing message. Aborting connection.
  7159. System.InvalidOperationException: Writing is not allowed after writer was completed.
  7160. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  7161. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  7162. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  7163. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  7164. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  7165. Failed writing message. Aborting connection.
  7166. System.InvalidOperationException: Writing is not allowed after writer was completed.
  7167. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  7168. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  7169. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  7170. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  7171. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  7172. Failed writing message. Aborting connection.
  7173. System.InvalidOperationException: Writing is not allowed after writer was completed.
  7174. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  7175. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  7176. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  7177. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  7178. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  7179. Failed writing message. Aborting connection.
  7180. System.InvalidOperationException: Writing is not allowed after writer was completed.
  7181. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  7182. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  7183. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  7184. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  7185. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  7186. Failed writing message. Aborting connection.
  7187. System.InvalidOperationException: Writing is not allowed after writer was completed.
  7188. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  7189. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  7190. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  7191. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  7192. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  7193. Failed writing message. Aborting connection.
  7194. System.InvalidOperationException: Writing is not allowed after writer was completed.
  7195. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  7196. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  7197. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  7198. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  7199. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  7200. Failed writing message. Aborting connection.
  7201. System.InvalidOperationException: Writing is not allowed after writer was completed.
  7202. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  7203. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  7204. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  7205. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  7206. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  7207. Failed writing message. Aborting connection.
  7208. System.InvalidOperationException: Writing is not allowed after writer was completed.
  7209. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  7210. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  7211. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  7212. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  7213. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  7214. Failed writing message. Aborting connection.
  7215. System.InvalidOperationException: Writing is not allowed after writer was completed.
  7216. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  7217. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  7218. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  7219. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  7220. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  7221. Failed writing message. Aborting connection.
  7222. System.InvalidOperationException: Writing is not allowed after writer was completed.
  7223. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  7224. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  7225. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  7226. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  7227. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  7228. Failed writing message. Aborting connection.
  7229. System.InvalidOperationException: Writing is not allowed after writer was completed.
  7230. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  7231. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  7232. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  7233. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  7234. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  7235. Failed writing message. Aborting connection.
  7236. System.InvalidOperationException: Writing is not allowed after writer was completed.
  7237. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  7238. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  7239. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  7240. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  7241. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  7242. Failed writing message. Aborting connection.
  7243. System.InvalidOperationException: Writing is not allowed after writer was completed.
  7244. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  7245. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  7246. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  7247. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  7248. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  7249. Failed writing message. Aborting connection.
  7250. System.InvalidOperationException: Writing is not allowed after writer was completed.
  7251. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  7252. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  7253. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  7254. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  7255. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  7256. Failed writing message. Aborting connection.
  7257. System.InvalidOperationException: Writing is not allowed after writer was completed.
  7258. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  7259. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  7260. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  7261. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  7262. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  7263. Failed writing message. Aborting connection.
  7264. System.InvalidOperationException: Writing is not allowed after writer was completed.
  7265. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  7266. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  7267. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  7268. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  7269. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  7270. Failed writing message. Aborting connection.
  7271. System.InvalidOperationException: Writing is not allowed after writer was completed.
  7272. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  7273. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  7274. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  7275. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  7276. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  7277. Failed writing message. Aborting connection.
  7278. System.InvalidOperationException: Writing is not allowed after writer was completed.
  7279. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  7280. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  7281. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  7282. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  7283. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  7284. Failed writing message. Aborting connection.
  7285. System.InvalidOperationException: Writing is not allowed after writer was completed.
  7286. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  7287. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  7288. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  7289. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  7290. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  7291. Failed writing message. Aborting connection.
  7292. System.InvalidOperationException: Writing is not allowed after writer was completed.
  7293. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  7294. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  7295. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  7296. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  7297. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  7298. Failed writing message. Aborting connection.
  7299. System.InvalidOperationException: Writing is not allowed after writer was completed.
  7300. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  7301. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  7302. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  7303. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  7304. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  7305. Failed writing message. Aborting connection.
  7306. System.InvalidOperationException: Writing is not allowed after writer was completed.
  7307. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  7308. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  7309. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  7310. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  7311. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  7312. Failed writing message. Aborting connection.
  7313. System.InvalidOperationException: Writing is not allowed after writer was completed.
  7314. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  7315. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  7316. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  7317. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  7318. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  7319. Failed writing message. Aborting connection.
  7320. System.InvalidOperationException: Writing is not allowed after writer was completed.
  7321. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  7322. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  7323. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  7324. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  7325. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  7326. Failed writing message. Aborting connection.
  7327. System.InvalidOperationException: Writing is not allowed after writer was completed.
  7328. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  7329. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  7330. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  7331. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  7332. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  7333. Failed writing message. Aborting connection.
  7334. System.InvalidOperationException: Writing is not allowed after writer was completed.
  7335. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  7336. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  7337. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  7338. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  7339. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  7340. Failed writing message. Aborting connection.
  7341. System.InvalidOperationException: Writing is not allowed after writer was completed.
  7342. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  7343. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  7344. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  7345. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  7346. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  7347. Failed writing message. Aborting connection.
  7348. System.InvalidOperationException: Writing is not allowed after writer was completed.
  7349. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  7350. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  7351. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  7352. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  7353. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  7354. Failed writing message. Aborting connection.
  7355. System.InvalidOperationException: Writing is not allowed after writer was completed.
  7356. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  7357. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  7358. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  7359. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  7360. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  7361. Failed writing message. Aborting connection.
  7362. System.InvalidOperationException: Writing is not allowed after writer was completed.
  7363. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  7364. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  7365. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  7366. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  7367. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  7368. Failed writing message. Aborting connection.
  7369. System.InvalidOperationException: Writing is not allowed after writer was completed.
  7370. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  7371. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  7372. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  7373. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  7374. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  7375. Failed writing message. Aborting connection.
  7376. System.InvalidOperationException: Writing is not allowed after writer was completed.
  7377. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  7378. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  7379. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  7380. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  7381. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  7382. Failed writing message. Aborting connection.
  7383. System.InvalidOperationException: Writing is not allowed after writer was completed.
  7384. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  7385. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  7386. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  7387. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  7388. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  7389. Failed writing message. Aborting connection.
  7390. System.InvalidOperationException: Writing is not allowed after writer was completed.
  7391. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  7392. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  7393. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  7394. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  7395. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  7396. Failed writing message. Aborting connection.
  7397. System.InvalidOperationException: Writing is not allowed after writer was completed.
  7398. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  7399. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  7400. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  7401. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  7402. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  7403. Failed writing message. Aborting connection.
  7404. System.InvalidOperationException: Writing is not allowed after writer was completed.
  7405. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  7406. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  7407. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  7408. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  7409. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  7410. Failed writing message. Aborting connection.
  7411. System.InvalidOperationException: Writing is not allowed after writer was completed.
  7412. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  7413. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  7414. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  7415. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  7416. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  7417. Failed writing message. Aborting connection.
  7418. System.InvalidOperationException: Writing is not allowed after writer was completed.
  7419. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  7420. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  7421. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  7422. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  7423. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  7424. Failed writing message. Aborting connection.
  7425. System.InvalidOperationException: Writing is not allowed after writer was completed.
  7426. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  7427. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  7428. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  7429. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  7430. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  7431. Failed writing message. Aborting connection.
  7432. System.InvalidOperationException: Writing is not allowed after writer was completed.
  7433. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  7434. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  7435. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  7436. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  7437. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  7438. Failed writing message. Aborting connection.
  7439. System.InvalidOperationException: Writing is not allowed after writer was completed.
  7440. at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  7441. at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  7442. at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  7443. at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  7444. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  7445. Failed writing message. Aborting connection.
  7446. System.I