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Standard_D2s_v3

staff0rd May 30th, 2019 94 Never
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  1. /root/.nuget/packages/microsoft.build.tasks.git/1.0.0-beta2-18618-05/build/Microsoft.Build.Tasks.Git.targets(20,5): warning : The type initializer for 'LibGit2Sharp.Core.NativeMethods' threw an exception. [/aspnetcore/src/Http/Http.Features/src/Microsoft.AspNetCore.Http.Features.csproj]
  2. /root/.nuget/packages/microsoft.build.tasks.git/1.0.0-beta2-18618-05/build/Microsoft.Build.Tasks.Git.targets(20,5): warning :    at LibGit2Sharp.Core.NativeMethods.git_buf_free(GitBuf buf) [/aspnetcore/src/Http/Http.Features/src/Microsoft.AspNetCore.Http.Features.csproj]
  3. /root/.nuget/packages/microsoft.build.tasks.git/1.0.0-beta2-18618-05/build/Microsoft.Build.Tasks.Git.targets(20,5): warning :    at LibGit2Sharp.Core.Proxy.ConvertPath(Func`2 pathRetriever) [/aspnetcore/src/Http/Http.Features/src/Microsoft.AspNetCore.Http.Features.csproj]
  4. /root/.nuget/packages/microsoft.build.tasks.git/1.0.0-beta2-18618-05/build/Microsoft.Build.Tasks.Git.targets(20,5): warning :    at LibGit2Sharp.Repository.Discover(String startingPath) [/aspnetcore/src/Http/Http.Features/src/Microsoft.AspNetCore.Http.Features.csproj]
  5. /root/.nuget/packages/microsoft.build.tasks.git/1.0.0-beta2-18618-05/build/Microsoft.Build.Tasks.Git.targets(20,5): warning :    at Microsoft.Build.Tasks.Git.GitOperations.LocateRepository(String directory) in /_/src/Microsoft.Build.Tasks.Git.Operations/GitOperations.cs:line 26 [/aspnetcore/src/Http/Http.Features/src/Microsoft.AspNetCore.Http.Features.csproj]
  6. /root/.nuget/packages/microsoft.build.tasks.git/1.0.0-beta2-18618-05/build/Microsoft.Build.Tasks.Git.targets(20,5): warning :    at Microsoft.Build.Tasks.Git.RepositoryTasks.LocateRepository(LocateRepository task) in /_/src/Microsoft.Build.Tasks.Git.Operations/RepositoryTasks.cs:line 58 [/aspnetcore/src/Http/Http.Features/src/Microsoft.AspNetCore.Http.Features.csproj]
  7. /root/.nuget/packages/microsoft.sourcelink.common/1.0.0-beta2-18618-05/build/Microsoft.SourceLink.Common.targets(53,5): warning : Source control information is not available - the generated source link is empty. [/aspnetcore/src/Http/Http.Features/src/Microsoft.AspNetCore.Http.Features.csproj]
  8. /root/.nuget/packages/microsoft.build.tasks.git/1.0.0-beta2-18618-05/build/Microsoft.Build.Tasks.Git.targets(20,5): warning : The type initializer for 'LibGit2Sharp.Core.NativeMethods' threw an exception. [/aspnetcore/src/Servers/Connections.Abstractions/src/Microsoft.AspNetCore.Connections.Abstractions.csproj]
  9. /root/.nuget/packages/microsoft.build.tasks.git/1.0.0-beta2-18618-05/build/Microsoft.Build.Tasks.Git.targets(20,5): warning :    at LibGit2Sharp.Core.NativeMethods.git_buf_free(GitBuf buf) [/aspnetcore/src/Servers/Connections.Abstractions/src/Microsoft.AspNetCore.Connections.Abstractions.csproj]
  10. /root/.nuget/packages/microsoft.build.tasks.git/1.0.0-beta2-18618-05/build/Microsoft.Build.Tasks.Git.targets(20,5): warning :    at LibGit2Sharp.Core.Proxy.ConvertPath(Func`2 pathRetriever) [/aspnetcore/src/Servers/Connections.Abstractions/src/Microsoft.AspNetCore.Connections.Abstractions.csproj]
  11. /root/.nuget/packages/microsoft.build.tasks.git/1.0.0-beta2-18618-05/build/Microsoft.Build.Tasks.Git.targets(20,5): warning :    at LibGit2Sharp.Repository.Discover(String startingPath) [/aspnetcore/src/Servers/Connections.Abstractions/src/Microsoft.AspNetCore.Connections.Abstractions.csproj]
  12. /root/.nuget/packages/microsoft.build.tasks.git/1.0.0-beta2-18618-05/build/Microsoft.Build.Tasks.Git.targets(20,5): warning :    at Microsoft.Build.Tasks.Git.GitOperations.LocateRepository(String directory) in /_/src/Microsoft.Build.Tasks.Git.Operations/GitOperations.cs:line 26 [/aspnetcore/src/Servers/Connections.Abstractions/src/Microsoft.AspNetCore.Connections.Abstractions.csproj]
  13. /root/.nuget/packages/microsoft.build.tasks.git/1.0.0-beta2-18618-05/build/Microsoft.Build.Tasks.Git.targets(20,5): warning :    at Microsoft.Build.Tasks.Git.RepositoryTasks.LocateRepository(LocateRepository task) in /_/src/Microsoft.Build.Tasks.Git.Operations/RepositoryTasks.cs:line 58 [/aspnetcore/src/Servers/Connections.Abstractions/src/Microsoft.AspNetCore.Connections.Abstractions.csproj]
  14. /root/.nuget/packages/microsoft.sourcelink.common/1.0.0-beta2-18618-05/build/Microsoft.SourceLink.Common.targets(53,5): warning : Source control information is not available - the generated source link is empty. [/aspnetcore/src/Servers/Connections.Abstractions/src/Microsoft.AspNetCore.Connections.Abstractions.csproj]
  15. /root/.nuget/packages/microsoft.build.tasks.git/1.0.0-beta2-18618-05/build/Microsoft.Build.Tasks.Git.targets(20,5): warning : The type initializer for 'LibGit2Sharp.Core.NativeMethods' threw an exception. [/aspnetcore/src/Http/Headers/src/Microsoft.Net.Http.Headers.csproj]
  16. /root/.nuget/packages/microsoft.build.tasks.git/1.0.0-beta2-18618-05/build/Microsoft.Build.Tasks.Git.targets(20,5): warning :    at LibGit2Sharp.Core.NativeMethods.git_buf_free(GitBuf buf) [/aspnetcore/src/Http/Headers/src/Microsoft.Net.Http.Headers.csproj]
  17. /root/.nuget/packages/microsoft.build.tasks.git/1.0.0-beta2-18618-05/build/Microsoft.Build.Tasks.Git.targets(20,5): warning :    at LibGit2Sharp.Core.Proxy.ConvertPath(Func`2 pathRetriever) [/aspnetcore/src/Http/Headers/src/Microsoft.Net.Http.Headers.csproj]
  18. /root/.nuget/packages/microsoft.build.tasks.git/1.0.0-beta2-18618-05/build/Microsoft.Build.Tasks.Git.targets(20,5): warning :    at LibGit2Sharp.Repository.Discover(String startingPath) [/aspnetcore/src/Http/Headers/src/Microsoft.Net.Http.Headers.csproj]
  19. /root/.nuget/packages/microsoft.build.tasks.git/1.0.0-beta2-18618-05/build/Microsoft.Build.Tasks.Git.targets(20,5): warning :    at Microsoft.Build.Tasks.Git.GitOperations.LocateRepository(String directory) in /_/src/Microsoft.Build.Tasks.Git.Operations/GitOperations.cs:line 26 [/aspnetcore/src/Http/Headers/src/Microsoft.Net.Http.Headers.csproj]
  20. /root/.nuget/packages/microsoft.build.tasks.git/1.0.0-beta2-18618-05/build/Microsoft.Build.Tasks.Git.targets(20,5): warning :    at Microsoft.Build.Tasks.Git.RepositoryTasks.LocateRepository(LocateRepository task) in /_/src/Microsoft.Build.Tasks.Git.Operations/RepositoryTasks.cs:line 58 [/aspnetcore/src/Http/Headers/src/Microsoft.Net.Http.Headers.csproj]
  21. /root/.nuget/packages/microsoft.sourcelink.common/1.0.0-beta2-18618-05/build/Microsoft.SourceLink.Common.targets(53,5): warning : Source control information is not available - the generated source link is empty. [/aspnetcore/src/Http/Headers/src/Microsoft.Net.Http.Headers.csproj]
  22. /root/.nuget/packages/microsoft.build.tasks.git/1.0.0-beta2-18618-05/build/Microsoft.Build.Tasks.Git.targets(20,5): warning : The type initializer for 'LibGit2Sharp.Core.NativeMethods' threw an exception. [/aspnetcore/src/SignalR/common/SignalR.Common/src/Microsoft.AspNetCore.SignalR.Common.csproj]
  23. /root/.nuget/packages/microsoft.build.tasks.git/1.0.0-beta2-18618-05/build/Microsoft.Build.Tasks.Git.targets(20,5): warning :    at LibGit2Sharp.Core.NativeMethods.git_buf_free(GitBuf buf) [/aspnetcore/src/SignalR/common/SignalR.Common/src/Microsoft.AspNetCore.SignalR.Common.csproj]
  24. /root/.nuget/packages/microsoft.build.tasks.git/1.0.0-beta2-18618-05/build/Microsoft.Build.Tasks.Git.targets(20,5): warning :    at LibGit2Sharp.Core.Proxy.ConvertPath(Func`2 pathRetriever) [/aspnetcore/src/SignalR/common/SignalR.Common/src/Microsoft.AspNetCore.SignalR.Common.csproj]
  25. /root/.nuget/packages/microsoft.build.tasks.git/1.0.0-beta2-18618-05/build/Microsoft.Build.Tasks.Git.targets(20,5): warning :    at LibGit2Sharp.Repository.Discover(String startingPath) [/aspnetcore/src/SignalR/common/SignalR.Common/src/Microsoft.AspNetCore.SignalR.Common.csproj]
  26. /root/.nuget/packages/microsoft.build.tasks.git/1.0.0-beta2-18618-05/build/Microsoft.Build.Tasks.Git.targets(20,5): warning :    at Microsoft.Build.Tasks.Git.GitOperations.LocateRepository(String directory) in /_/src/Microsoft.Build.Tasks.Git.Operations/GitOperations.cs:line 26 [/aspnetcore/src/SignalR/common/SignalR.Common/src/Microsoft.AspNetCore.SignalR.Common.csproj]
  27. /root/.nuget/packages/microsoft.build.tasks.git/1.0.0-beta2-18618-05/build/Microsoft.Build.Tasks.Git.targets(20,5): warning :    at Microsoft.Build.Tasks.Git.RepositoryTasks.LocateRepository(LocateRepository task) in /_/src/Microsoft.Build.Tasks.Git.Operations/RepositoryTasks.cs:line 58 [/aspnetcore/src/SignalR/common/SignalR.Common/src/Microsoft.AspNetCore.SignalR.Common.csproj]
  28. /root/.nuget/packages/microsoft.sourcelink.common/1.0.0-beta2-18618-05/build/Microsoft.SourceLink.Common.targets(53,5): warning : Source control information is not available - the generated source link is empty. [/aspnetcore/src/SignalR/common/SignalR.Common/src/Microsoft.AspNetCore.SignalR.Common.csproj]
  29. /root/.nuget/packages/microsoft.build.tasks.git/1.0.0-beta2-18618-05/build/Microsoft.Build.Tasks.Git.targets(20,5): warning : The type initializer for 'LibGit2Sharp.Core.NativeMethods' threw an exception. [/aspnetcore/src/Http/WebUtilities/src/Microsoft.AspNetCore.WebUtilities.csproj]
  30. /root/.nuget/packages/microsoft.build.tasks.git/1.0.0-beta2-18618-05/build/Microsoft.Build.Tasks.Git.targets(20,5): warning :    at LibGit2Sharp.Core.NativeMethods.git_buf_free(GitBuf buf) [/aspnetcore/src/Http/WebUtilities/src/Microsoft.AspNetCore.WebUtilities.csproj]
  31. /root/.nuget/packages/microsoft.build.tasks.git/1.0.0-beta2-18618-05/build/Microsoft.Build.Tasks.Git.targets(20,5): warning :    at LibGit2Sharp.Core.Proxy.ConvertPath(Func`2 pathRetriever) [/aspnetcore/src/Http/WebUtilities/src/Microsoft.AspNetCore.WebUtilities.csproj]
  32. /root/.nuget/packages/microsoft.build.tasks.git/1.0.0-beta2-18618-05/build/Microsoft.Build.Tasks.Git.targets(20,5): warning :    at LibGit2Sharp.Repository.Discover(String startingPath) [/aspnetcore/src/Http/WebUtilities/src/Microsoft.AspNetCore.WebUtilities.csproj]
  33. /root/.nuget/packages/microsoft.build.tasks.git/1.0.0-beta2-18618-05/build/Microsoft.Build.Tasks.Git.targets(20,5): warning :    at Microsoft.Build.Tasks.Git.GitOperations.LocateRepository(String directory) in /_/src/Microsoft.Build.Tasks.Git.Operations/GitOperations.cs:line 26 [/aspnetcore/src/Http/WebUtilities/src/Microsoft.AspNetCore.WebUtilities.csproj]
  34. /root/.nuget/packages/microsoft.build.tasks.git/1.0.0-beta2-18618-05/build/Microsoft.Build.Tasks.Git.targets(20,5): warning :    at Microsoft.Build.Tasks.Git.RepositoryTasks.LocateRepository(LocateRepository task) in /_/src/Microsoft.Build.Tasks.Git.Operations/RepositoryTasks.cs:line 58 [/aspnetcore/src/Http/WebUtilities/src/Microsoft.AspNetCore.WebUtilities.csproj]
  35. /root/.nuget/packages/microsoft.sourcelink.common/1.0.0-beta2-18618-05/build/Microsoft.SourceLink.Common.targets(53,5): warning : Source control information is not available - the generated source link is empty. [/aspnetcore/src/Http/WebUtilities/src/Microsoft.AspNetCore.WebUtilities.csproj]
  36. /root/.nuget/packages/microsoft.build.tasks.git/1.0.0-beta2-18618-05/build/Microsoft.Build.Tasks.Git.targets(20,5): warning : The type initializer for 'LibGit2Sharp.Core.NativeMethods' threw an exception. [/aspnetcore/src/Http/Http.Abstractions/src/Microsoft.AspNetCore.Http.Abstractions.csproj]
  37. /root/.nuget/packages/microsoft.build.tasks.git/1.0.0-beta2-18618-05/build/Microsoft.Build.Tasks.Git.targets(20,5): warning :    at LibGit2Sharp.Core.NativeMethods.git_buf_free(GitBuf buf) [/aspnetcore/src/Http/Http.Abstractions/src/Microsoft.AspNetCore.Http.Abstractions.csproj]
  38. /root/.nuget/packages/microsoft.build.tasks.git/1.0.0-beta2-18618-05/build/Microsoft.Build.Tasks.Git.targets(20,5): warning :    at LibGit2Sharp.Core.Proxy.ConvertPath(Func`2 pathRetriever) [/aspnetcore/src/Http/Http.Abstractions/src/Microsoft.AspNetCore.Http.Abstractions.csproj]
  39. /root/.nuget/packages/microsoft.build.tasks.git/1.0.0-beta2-18618-05/build/Microsoft.Build.Tasks.Git.targets(20,5): warning :    at LibGit2Sharp.Repository.Discover(String startingPath) [/aspnetcore/src/Http/Http.Abstractions/src/Microsoft.AspNetCore.Http.Abstractions.csproj]
  40. /root/.nuget/packages/microsoft.build.tasks.git/1.0.0-beta2-18618-05/build/Microsoft.Build.Tasks.Git.targets(20,5): warning :    at Microsoft.Build.Tasks.Git.GitOperations.LocateRepository(String directory) in /_/src/Microsoft.Build.Tasks.Git.Operations/GitOperations.cs:line 26 [/aspnetcore/src/Http/Http.Abstractions/src/Microsoft.AspNetCore.Http.Abstractions.csproj]
  41. /root/.nuget/packages/microsoft.build.tasks.git/1.0.0-beta2-18618-05/build/Microsoft.Build.Tasks.Git.targets(20,5): warning :    at Microsoft.Build.Tasks.Git.RepositoryTasks.LocateRepository(LocateRepository task) in /_/src/Microsoft.Build.Tasks.Git.Operations/RepositoryTasks.cs:line 58 [/aspnetcore/src/Http/Http.Abstractions/src/Microsoft.AspNetCore.Http.Abstractions.csproj]
  42. /root/.nuget/packages/microsoft.sourcelink.common/1.0.0-beta2-18618-05/build/Microsoft.SourceLink.Common.targets(53,5): warning : Source control information is not available - the generated source link is empty. [/aspnetcore/src/Http/Http.Abstractions/src/Microsoft.AspNetCore.Http.Abstractions.csproj]
  43. /root/.nuget/packages/microsoft.build.tasks.git/1.0.0-beta2-18618-05/build/Microsoft.Build.Tasks.Git.targets(20,5): warning : The type initializer for 'LibGit2Sharp.Core.NativeMethods' threw an exception. [/aspnetcore/src/SignalR/common/Protocols.MessagePack/src/Microsoft.AspNetCore.SignalR.Protocols.MessagePack.csproj]
  44. /root/.nuget/packages/microsoft.build.tasks.git/1.0.0-beta2-18618-05/build/Microsoft.Build.Tasks.Git.targets(20,5): warning :    at LibGit2Sharp.Core.NativeMethods.git_buf_free(GitBuf buf) [/aspnetcore/src/SignalR/common/Protocols.MessagePack/src/Microsoft.AspNetCore.SignalR.Protocols.MessagePack.csproj]
  45. /root/.nuget/packages/microsoft.build.tasks.git/1.0.0-beta2-18618-05/build/Microsoft.Build.Tasks.Git.targets(20,5): warning :    at LibGit2Sharp.Core.Proxy.ConvertPath(Func`2 pathRetriever) [/aspnetcore/src/SignalR/common/Protocols.MessagePack/src/Microsoft.AspNetCore.SignalR.Protocols.MessagePack.csproj]
  46. /root/.nuget/packages/microsoft.build.tasks.git/1.0.0-beta2-18618-05/build/Microsoft.Build.Tasks.Git.targets(20,5): warning :    at LibGit2Sharp.Repository.Discover(String startingPath) [/aspnetcore/src/SignalR/common/Protocols.MessagePack/src/Microsoft.AspNetCore.SignalR.Protocols.MessagePack.csproj]
  47. /root/.nuget/packages/microsoft.build.tasks.git/1.0.0-beta2-18618-05/build/Microsoft.Build.Tasks.Git.targets(20,5): warning :    at Microsoft.Build.Tasks.Git.GitOperations.LocateRepository(String directory) in /_/src/Microsoft.Build.Tasks.Git.Operations/GitOperations.cs:line 26 [/aspnetcore/src/SignalR/common/Protocols.MessagePack/src/Microsoft.AspNetCore.SignalR.Protocols.MessagePack.csproj]
  48. /root/.nuget/packages/microsoft.build.tasks.git/1.0.0-beta2-18618-05/build/Microsoft.Build.Tasks.Git.targets(20,5): warning :    at Microsoft.Build.Tasks.Git.RepositoryTasks.LocateRepository(LocateRepository task) in /_/src/Microsoft.Build.Tasks.Git.Operations/RepositoryTasks.cs:line 58 [/aspnetcore/src/SignalR/common/Protocols.MessagePack/src/Microsoft.AspNetCore.SignalR.Protocols.MessagePack.csproj]
  49. /root/.nuget/packages/microsoft.sourcelink.common/1.0.0-beta2-18618-05/build/Microsoft.SourceLink.Common.targets(53,5): warning : Source control information is not available - the generated source link is empty. [/aspnetcore/src/SignalR/common/Protocols.MessagePack/src/Microsoft.AspNetCore.SignalR.Protocols.MessagePack.csproj]
  50. /root/.nuget/packages/microsoft.build.tasks.git/1.0.0-beta2-18618-05/build/Microsoft.Build.Tasks.Git.targets(20,5): warning : The type initializer for 'LibGit2Sharp.Core.NativeMethods' threw an exception. [/aspnetcore/src/Http/Http/src/Microsoft.AspNetCore.Http.csproj]
  51. /root/.nuget/packages/microsoft.build.tasks.git/1.0.0-beta2-18618-05/build/Microsoft.Build.Tasks.Git.targets(20,5): warning :    at LibGit2Sharp.Core.NativeMethods.git_buf_free(GitBuf buf) [/aspnetcore/src/Http/Http/src/Microsoft.AspNetCore.Http.csproj]
  52. /root/.nuget/packages/microsoft.build.tasks.git/1.0.0-beta2-18618-05/build/Microsoft.Build.Tasks.Git.targets(20,5): warning :    at LibGit2Sharp.Core.Proxy.ConvertPath(Func`2 pathRetriever) [/aspnetcore/src/Http/Http/src/Microsoft.AspNetCore.Http.csproj]
  53. /root/.nuget/packages/microsoft.build.tasks.git/1.0.0-beta2-18618-05/build/Microsoft.Build.Tasks.Git.targets(20,5): warning :    at LibGit2Sharp.Repository.Discover(String startingPath) [/aspnetcore/src/Http/Http/src/Microsoft.AspNetCore.Http.csproj]
  54. /root/.nuget/packages/microsoft.build.tasks.git/1.0.0-beta2-18618-05/build/Microsoft.Build.Tasks.Git.targets(20,5): warning :    at Microsoft.Build.Tasks.Git.GitOperations.LocateRepository(String directory) in /_/src/Microsoft.Build.Tasks.Git.Operations/GitOperations.cs:line 26 [/aspnetcore/src/Http/Http/src/Microsoft.AspNetCore.Http.csproj]
  55. /root/.nuget/packages/microsoft.build.tasks.git/1.0.0-beta2-18618-05/build/Microsoft.Build.Tasks.Git.targets(20,5): warning :    at Microsoft.Build.Tasks.Git.RepositoryTasks.LocateRepository(LocateRepository task) in /_/src/Microsoft.Build.Tasks.Git.Operations/RepositoryTasks.cs:line 58 [/aspnetcore/src/Http/Http/src/Microsoft.AspNetCore.Http.csproj]
  56. /root/.nuget/packages/microsoft.sourcelink.common/1.0.0-beta2-18618-05/build/Microsoft.SourceLink.Common.targets(53,5): warning : Source control information is not available - the generated source link is empty. [/aspnetcore/src/Http/Http/src/Microsoft.AspNetCore.Http.csproj]
  57. /root/.nuget/packages/microsoft.build.tasks.git/1.0.0-beta2-18618-05/build/Microsoft.Build.Tasks.Git.targets(20,5): warning : The type initializer for 'LibGit2Sharp.Core.NativeMethods' threw an exception. [/aspnetcore/src/Http/Http.Extensions/src/Microsoft.AspNetCore.Http.Extensions.csproj]
  58. /root/.nuget/packages/microsoft.build.tasks.git/1.0.0-beta2-18618-05/build/Microsoft.Build.Tasks.Git.targets(20,5): warning :    at LibGit2Sharp.Core.NativeMethods.git_buf_free(GitBuf buf) [/aspnetcore/src/Http/Http.Extensions/src/Microsoft.AspNetCore.Http.Extensions.csproj]
  59. /root/.nuget/packages/microsoft.build.tasks.git/1.0.0-beta2-18618-05/build/Microsoft.Build.Tasks.Git.targets(20,5): warning :    at LibGit2Sharp.Core.Proxy.ConvertPath(Func`2 pathRetriever) [/aspnetcore/src/Http/Http.Extensions/src/Microsoft.AspNetCore.Http.Extensions.csproj]
  60. /root/.nuget/packages/microsoft.build.tasks.git/1.0.0-beta2-18618-05/build/Microsoft.Build.Tasks.Git.targets(20,5): warning :    at LibGit2Sharp.Repository.Discover(String startingPath) [/aspnetcore/src/Http/Http.Extensions/src/Microsoft.AspNetCore.Http.Extensions.csproj]
  61. /root/.nuget/packages/microsoft.build.tasks.git/1.0.0-beta2-18618-05/build/Microsoft.Build.Tasks.Git.targets(20,5): warning :    at Microsoft.Build.Tasks.Git.GitOperations.LocateRepository(String directory) in /_/src/Microsoft.Build.Tasks.Git.Operations/GitOperations.cs:line 26 [/aspnetcore/src/Http/Http.Extensions/src/Microsoft.AspNetCore.Http.Extensions.csproj]
  62. /root/.nuget/packages/microsoft.build.tasks.git/1.0.0-beta2-18618-05/build/Microsoft.Build.Tasks.Git.targets(20,5): warning :    at Microsoft.Build.Tasks.Git.RepositoryTasks.LocateRepository(LocateRepository task) in /_/src/Microsoft.Build.Tasks.Git.Operations/RepositoryTasks.cs:line 58 [/aspnetcore/src/Http/Http.Extensions/src/Microsoft.AspNetCore.Http.Extensions.csproj]
  63. /root/.nuget/packages/microsoft.sourcelink.common/1.0.0-beta2-18618-05/build/Microsoft.SourceLink.Common.targets(53,5): warning : Source control information is not available - the generated source link is empty. [/aspnetcore/src/Http/Http.Extensions/src/Microsoft.AspNetCore.Http.Extensions.csproj]
  64. /root/.nuget/packages/microsoft.build.tasks.git/1.0.0-beta2-18618-05/build/Microsoft.Build.Tasks.Git.targets(20,5): warning : The type initializer for 'LibGit2Sharp.Core.NativeMethods' threw an exception. [/aspnetcore/src/Http/Authentication.Abstractions/src/Microsoft.AspNetCore.Authentication.Abstractions.csproj]
  65. /root/.nuget/packages/microsoft.build.tasks.git/1.0.0-beta2-18618-05/build/Microsoft.Build.Tasks.Git.targets(20,5): warning :    at LibGit2Sharp.Core.NativeMethods.git_buf_free(GitBuf buf) [/aspnetcore/src/Http/Authentication.Abstractions/src/Microsoft.AspNetCore.Authentication.Abstractions.csproj]
  66. /root/.nuget/packages/microsoft.build.tasks.git/1.0.0-beta2-18618-05/build/Microsoft.Build.Tasks.Git.targets(20,5): warning :    at LibGit2Sharp.Core.Proxy.ConvertPath(Func`2 pathRetriever) [/aspnetcore/src/Http/Authentication.Abstractions/src/Microsoft.AspNetCore.Authentication.Abstractions.csproj]
  67. /root/.nuget/packages/microsoft.build.tasks.git/1.0.0-beta2-18618-05/build/Microsoft.Build.Tasks.Git.targets(20,5): warning :    at LibGit2Sharp.Repository.Discover(String startingPath) [/aspnetcore/src/Http/Authentication.Abstractions/src/Microsoft.AspNetCore.Authentication.Abstractions.csproj]
  68. /root/.nuget/packages/microsoft.build.tasks.git/1.0.0-beta2-18618-05/build/Microsoft.Build.Tasks.Git.targets(20,5): warning :    at Microsoft.Build.Tasks.Git.GitOperations.LocateRepository(String directory) in /_/src/Microsoft.Build.Tasks.Git.Operations/GitOperations.cs:line 26 [/aspnetcore/src/Http/Authentication.Abstractions/src/Microsoft.AspNetCore.Authentication.Abstractions.csproj]
  69. /root/.nuget/packages/microsoft.build.tasks.git/1.0.0-beta2-18618-05/build/Microsoft.Build.Tasks.Git.targets(20,5): warning :    at Microsoft.Build.Tasks.Git.RepositoryTasks.LocateRepository(LocateRepository task) in /_/src/Microsoft.Build.Tasks.Git.Operations/RepositoryTasks.cs:line 58 [/aspnetcore/src/Http/Authentication.Abstractions/src/Microsoft.AspNetCore.Authentication.Abstractions.csproj]
  70. /root/.nuget/packages/microsoft.sourcelink.common/1.0.0-beta2-18618-05/build/Microsoft.SourceLink.Common.targets(53,5): warning : Source control information is not available - the generated source link is empty. [/aspnetcore/src/Http/Authentication.Abstractions/src/Microsoft.AspNetCore.Authentication.Abstractions.csproj]
  71. /root/.nuget/packages/microsoft.build.tasks.git/1.0.0-beta2-18618-05/build/Microsoft.Build.Tasks.Git.targets(20,5): warning : The type initializer for 'LibGit2Sharp.Core.NativeMethods' threw an exception. [/aspnetcore/src/Http/Routing.Abstractions/src/Microsoft.AspNetCore.Routing.Abstractions.csproj]
  72. /root/.nuget/packages/microsoft.build.tasks.git/1.0.0-beta2-18618-05/build/Microsoft.Build.Tasks.Git.targets(20,5): warning :    at LibGit2Sharp.Core.NativeMethods.git_buf_free(GitBuf buf) [/aspnetcore/src/Http/Routing.Abstractions/src/Microsoft.AspNetCore.Routing.Abstractions.csproj]
  73. /root/.nuget/packages/microsoft.build.tasks.git/1.0.0-beta2-18618-05/build/Microsoft.Build.Tasks.Git.targets(20,5): warning :    at LibGit2Sharp.Core.Proxy.ConvertPath(Func`2 pathRetriever) [/aspnetcore/src/Http/Routing.Abstractions/src/Microsoft.AspNetCore.Routing.Abstractions.csproj]
  74. /root/.nuget/packages/microsoft.build.tasks.git/1.0.0-beta2-18618-05/build/Microsoft.Build.Tasks.Git.targets(20,5): warning :    at LibGit2Sharp.Repository.Discover(String startingPath) [/aspnetcore/src/Http/Routing.Abstractions/src/Microsoft.AspNetCore.Routing.Abstractions.csproj]
  75. /root/.nuget/packages/microsoft.build.tasks.git/1.0.0-beta2-18618-05/build/Microsoft.Build.Tasks.Git.targets(20,5): warning :    at Microsoft.Build.Tasks.Git.GitOperations.LocateRepository(String directory) in /_/src/Microsoft.Build.Tasks.Git.Operations/GitOperations.cs:line 26 [/aspnetcore/src/Http/Routing.Abstractions/src/Microsoft.AspNetCore.Routing.Abstractions.csproj]
  76. /root/.nuget/packages/microsoft.build.tasks.git/1.0.0-beta2-18618-05/build/Microsoft.Build.Tasks.Git.targets(20,5): warning :    at Microsoft.Build.Tasks.Git.RepositoryTasks.LocateRepository(LocateRepository task) in /_/src/Microsoft.Build.Tasks.Git.Operations/RepositoryTasks.cs:line 58 [/aspnetcore/src/Http/Routing.Abstractions/src/Microsoft.AspNetCore.Routing.Abstractions.csproj]
  77. /root/.nuget/packages/microsoft.sourcelink.common/1.0.0-beta2-18618-05/build/Microsoft.SourceLink.Common.targets(53,5): warning : Source control information is not available - the generated source link is empty. [/aspnetcore/src/Http/Routing.Abstractions/src/Microsoft.AspNetCore.Routing.Abstractions.csproj]
  78. /root/.nuget/packages/microsoft.build.tasks.git/1.0.0-beta2-18618-05/build/Microsoft.Build.Tasks.Git.targets(20,5): warning : The type initializer for 'LibGit2Sharp.Core.NativeMethods' threw an exception. [/aspnetcore/src/Http/Routing/src/Microsoft.AspNetCore.Routing.csproj]
  79. /root/.nuget/packages/microsoft.build.tasks.git/1.0.0-beta2-18618-05/build/Microsoft.Build.Tasks.Git.targets(20,5): warning :    at LibGit2Sharp.Core.NativeMethods.git_buf_free(GitBuf buf) [/aspnetcore/src/Http/Routing/src/Microsoft.AspNetCore.Routing.csproj]
  80. /root/.nuget/packages/microsoft.build.tasks.git/1.0.0-beta2-18618-05/build/Microsoft.Build.Tasks.Git.targets(20,5): warning :    at LibGit2Sharp.Core.Proxy.ConvertPath(Func`2 pathRetriever) [/aspnetcore/src/Http/Routing/src/Microsoft.AspNetCore.Routing.csproj]
  81. /root/.nuget/packages/microsoft.build.tasks.git/1.0.0-beta2-18618-05/build/Microsoft.Build.Tasks.Git.targets(20,5): warning :    at LibGit2Sharp.Repository.Discover(String startingPath) [/aspnetcore/src/Http/Routing/src/Microsoft.AspNetCore.Routing.csproj]
  82. /root/.nuget/packages/microsoft.build.tasks.git/1.0.0-beta2-18618-05/build/Microsoft.Build.Tasks.Git.targets(20,5): warning :    at Microsoft.Build.Tasks.Git.GitOperations.LocateRepository(String directory) in /_/src/Microsoft.Build.Tasks.Git.Operations/GitOperations.cs:line 26 [/aspnetcore/src/Http/Routing/src/Microsoft.AspNetCore.Routing.csproj]
  83. /root/.nuget/packages/microsoft.build.tasks.git/1.0.0-beta2-18618-05/build/Microsoft.Build.Tasks.Git.targets(20,5): warning :    at Microsoft.Build.Tasks.Git.RepositoryTasks.LocateRepository(LocateRepository task) in /_/src/Microsoft.Build.Tasks.Git.Operations/RepositoryTasks.cs:line 58 [/aspnetcore/src/Http/Routing/src/Microsoft.AspNetCore.Routing.csproj]
  84. /root/.nuget/packages/microsoft.sourcelink.common/1.0.0-beta2-18618-05/build/Microsoft.SourceLink.Common.targets(53,5): warning : Source control information is not available - the generated source link is empty. [/aspnetcore/src/Http/Routing/src/Microsoft.AspNetCore.Routing.csproj]
  85. /root/.nuget/packages/microsoft.build.tasks.git/1.0.0-beta2-18618-05/build/Microsoft.Build.Tasks.Git.targets(20,5): warning : The type initializer for 'LibGit2Sharp.Core.NativeMethods' threw an exception. [/aspnetcore/src/Security/Authorization/Core/src/Microsoft.AspNetCore.Authorization.csproj]
  86. /root/.nuget/packages/microsoft.build.tasks.git/1.0.0-beta2-18618-05/build/Microsoft.Build.Tasks.Git.targets(20,5): warning :    at LibGit2Sharp.Core.NativeMethods.git_buf_free(GitBuf buf) [/aspnetcore/src/Security/Authorization/Core/src/Microsoft.AspNetCore.Authorization.csproj]
  87. /root/.nuget/packages/microsoft.build.tasks.git/1.0.0-beta2-18618-05/build/Microsoft.Build.Tasks.Git.targets(20,5): warning :    at LibGit2Sharp.Core.Proxy.ConvertPath(Func`2 pathRetriever) [/aspnetcore/src/Security/Authorization/Core/src/Microsoft.AspNetCore.Authorization.csproj]
  88. /root/.nuget/packages/microsoft.build.tasks.git/1.0.0-beta2-18618-05/build/Microsoft.Build.Tasks.Git.targets(20,5): warning :    at LibGit2Sharp.Repository.Discover(String startingPath) [/aspnetcore/src/Security/Authorization/Core/src/Microsoft.AspNetCore.Authorization.csproj]
  89. /root/.nuget/packages/microsoft.build.tasks.git/1.0.0-beta2-18618-05/build/Microsoft.Build.Tasks.Git.targets(20,5): warning :    at Microsoft.Build.Tasks.Git.GitOperations.LocateRepository(String directory) in /_/src/Microsoft.Build.Tasks.Git.Operations/GitOperations.cs:line 26 [/aspnetcore/src/Security/Authorization/Core/src/Microsoft.AspNetCore.Authorization.csproj]
  90. /root/.nuget/packages/microsoft.build.tasks.git/1.0.0-beta2-18618-05/build/Microsoft.Build.Tasks.Git.targets(20,5): warning :    at Microsoft.Build.Tasks.Git.RepositoryTasks.LocateRepository(LocateRepository task) in /_/src/Microsoft.Build.Tasks.Git.Operations/RepositoryTasks.cs:line 58 [/aspnetcore/src/Security/Authorization/Core/src/Microsoft.AspNetCore.Authorization.csproj]
  91. /root/.nuget/packages/microsoft.sourcelink.common/1.0.0-beta2-18618-05/build/Microsoft.SourceLink.Common.targets(53,5): warning : Source control information is not available - the generated source link is empty. [/aspnetcore/src/Security/Authorization/Core/src/Microsoft.AspNetCore.Authorization.csproj]
  92. /root/.nuget/packages/microsoft.build.tasks.git/1.0.0-beta2-18618-05/build/Microsoft.Build.Tasks.Git.targets(20,5): warning : The type initializer for 'LibGit2Sharp.Core.NativeMethods' threw an exception. [/aspnetcore/src/Hosting/Server.Abstractions/src/Microsoft.AspNetCore.Hosting.Server.Abstractions.csproj]
  93. /root/.nuget/packages/microsoft.build.tasks.git/1.0.0-beta2-18618-05/build/Microsoft.Build.Tasks.Git.targets(20,5): warning :    at LibGit2Sharp.Core.NativeMethods.git_buf_free(GitBuf buf) [/aspnetcore/src/Hosting/Server.Abstractions/src/Microsoft.AspNetCore.Hosting.Server.Abstractions.csproj]
  94. /root/.nuget/packages/microsoft.build.tasks.git/1.0.0-beta2-18618-05/build/Microsoft.Build.Tasks.Git.targets(20,5): warning :    at LibGit2Sharp.Core.Proxy.ConvertPath(Func`2 pathRetriever) [/aspnetcore/src/Hosting/Server.Abstractions/src/Microsoft.AspNetCore.Hosting.Server.Abstractions.csproj]
  95. /root/.nuget/packages/microsoft.build.tasks.git/1.0.0-beta2-18618-05/build/Microsoft.Build.Tasks.Git.targets(20,5): warning :    at LibGit2Sharp.Repository.Discover(String startingPath) [/aspnetcore/src/Hosting/Server.Abstractions/src/Microsoft.AspNetCore.Hosting.Server.Abstractions.csproj]
  96. /root/.nuget/packages/microsoft.build.tasks.git/1.0.0-beta2-18618-05/build/Microsoft.Build.Tasks.Git.targets(20,5): warning :    at Microsoft.Build.Tasks.Git.GitOperations.LocateRepository(String directory) in /_/src/Microsoft.Build.Tasks.Git.Operations/GitOperations.cs:line 26 [/aspnetcore/src/Hosting/Server.Abstractions/src/Microsoft.AspNetCore.Hosting.Server.Abstractions.csproj]
  97. /root/.nuget/packages/microsoft.build.tasks.git/1.0.0-beta2-18618-05/build/Microsoft.Build.Tasks.Git.targets(20,5): warning :    at Microsoft.Build.Tasks.Git.RepositoryTasks.LocateRepository(LocateRepository task) in /_/src/Microsoft.Build.Tasks.Git.Operations/RepositoryTasks.cs:line 58 [/aspnetcore/src/Hosting/Server.Abstractions/src/Microsoft.AspNetCore.Hosting.Server.Abstractions.csproj]
  98. /root/.nuget/packages/microsoft.sourcelink.common/1.0.0-beta2-18618-05/build/Microsoft.SourceLink.Common.targets(53,5): warning : Source control information is not available - the generated source link is empty. [/aspnetcore/src/Hosting/Server.Abstractions/src/Microsoft.AspNetCore.Hosting.Server.Abstractions.csproj]
  99. /root/.nuget/packages/microsoft.build.tasks.git/1.0.0-beta2-18618-05/build/Microsoft.Build.Tasks.Git.targets(20,5): warning : The type initializer for 'LibGit2Sharp.Core.NativeMethods' threw an exception. [/aspnetcore/src/Hosting/Abstractions/src/Microsoft.AspNetCore.Hosting.Abstractions.csproj]
  100. /root/.nuget/packages/microsoft.build.tasks.git/1.0.0-beta2-18618-05/build/Microsoft.Build.Tasks.Git.targets(20,5): warning :    at LibGit2Sharp.Core.NativeMethods.git_buf_free(GitBuf buf) [/aspnetcore/src/Hosting/Abstractions/src/Microsoft.AspNetCore.Hosting.Abstractions.csproj]
  101. /root/.nuget/packages/microsoft.build.tasks.git/1.0.0-beta2-18618-05/build/Microsoft.Build.Tasks.Git.targets(20,5): warning :    at LibGit2Sharp.Core.Proxy.ConvertPath(Func`2 pathRetriever) [/aspnetcore/src/Hosting/Abstractions/src/Microsoft.AspNetCore.Hosting.Abstractions.csproj]
  102. /root/.nuget/packages/microsoft.build.tasks.git/1.0.0-beta2-18618-05/build/Microsoft.Build.Tasks.Git.targets(20,5): warning :    at LibGit2Sharp.Repository.Discover(String startingPath) [/aspnetcore/src/Hosting/Abstractions/src/Microsoft.AspNetCore.Hosting.Abstractions.csproj]
  103. /root/.nuget/packages/microsoft.build.tasks.git/1.0.0-beta2-18618-05/build/Microsoft.Build.Tasks.Git.targets(20,5): warning :    at Microsoft.Build.Tasks.Git.GitOperations.LocateRepository(String directory) in /_/src/Microsoft.Build.Tasks.Git.Operations/GitOperations.cs:line 26 [/aspnetcore/src/Hosting/Abstractions/src/Microsoft.AspNetCore.Hosting.Abstractions.csproj]
  104. /root/.nuget/packages/microsoft.build.tasks.git/1.0.0-beta2-18618-05/build/Microsoft.Build.Tasks.Git.targets(20,5): warning :    at Microsoft.Build.Tasks.Git.RepositoryTasks.LocateRepository(LocateRepository task) in /_/src/Microsoft.Build.Tasks.Git.Operations/RepositoryTasks.cs:line 58 [/aspnetcore/src/Hosting/Abstractions/src/Microsoft.AspNetCore.Hosting.Abstractions.csproj]
  105. /root/.nuget/packages/microsoft.sourcelink.common/1.0.0-beta2-18618-05/build/Microsoft.SourceLink.Common.targets(53,5): warning : Source control information is not available - the generated source link is empty. [/aspnetcore/src/Hosting/Abstractions/src/Microsoft.AspNetCore.Hosting.Abstractions.csproj]
  106. /root/.nuget/packages/microsoft.build.tasks.git/1.0.0-beta2-18618-05/build/Microsoft.Build.Tasks.Git.targets(20,5): warning : The type initializer for 'LibGit2Sharp.Core.NativeMethods' threw an exception. [/aspnetcore/src/Security/Authorization/Policy/src/Microsoft.AspNetCore.Authorization.Policy.csproj]
  107. /root/.nuget/packages/microsoft.build.tasks.git/1.0.0-beta2-18618-05/build/Microsoft.Build.Tasks.Git.targets(20,5): warning :    at LibGit2Sharp.Core.NativeMethods.git_buf_free(GitBuf buf) [/aspnetcore/src/Security/Authorization/Policy/src/Microsoft.AspNetCore.Authorization.Policy.csproj]
  108. /root/.nuget/packages/microsoft.build.tasks.git/1.0.0-beta2-18618-05/build/Microsoft.Build.Tasks.Git.targets(20,5): warning :    at LibGit2Sharp.Core.Proxy.ConvertPath(Func`2 pathRetriever) [/aspnetcore/src/Security/Authorization/Policy/src/Microsoft.AspNetCore.Authorization.Policy.csproj]
  109. /root/.nuget/packages/microsoft.build.tasks.git/1.0.0-beta2-18618-05/build/Microsoft.Build.Tasks.Git.targets(20,5): warning :    at LibGit2Sharp.Repository.Discover(String startingPath) [/aspnetcore/src/Security/Authorization/Policy/src/Microsoft.AspNetCore.Authorization.Policy.csproj]
  110. /root/.nuget/packages/microsoft.build.tasks.git/1.0.0-beta2-18618-05/build/Microsoft.Build.Tasks.Git.targets(20,5): warning :    at Microsoft.Build.Tasks.Git.GitOperations.LocateRepository(String directory) in /_/src/Microsoft.Build.Tasks.Git.Operations/GitOperations.cs:line 26 [/aspnetcore/src/Security/Authorization/Policy/src/Microsoft.AspNetCore.Authorization.Policy.csproj]
  111. /root/.nuget/packages/microsoft.build.tasks.git/1.0.0-beta2-18618-05/build/Microsoft.Build.Tasks.Git.targets(20,5): warning :    at Microsoft.Build.Tasks.Git.RepositoryTasks.LocateRepository(LocateRepository task) in /_/src/Microsoft.Build.Tasks.Git.Operations/RepositoryTasks.cs:line 58 [/aspnetcore/src/Security/Authorization/Policy/src/Microsoft.AspNetCore.Authorization.Policy.csproj]
  112. /root/.nuget/packages/microsoft.sourcelink.common/1.0.0-beta2-18618-05/build/Microsoft.SourceLink.Common.targets(53,5): warning : Source control information is not available - the generated source link is empty. [/aspnetcore/src/Security/Authorization/Policy/src/Microsoft.AspNetCore.Authorization.Policy.csproj]
  113. /root/.nuget/packages/microsoft.build.tasks.git/1.0.0-beta2-18618-05/build/Microsoft.Build.Tasks.Git.targets(20,5): warning : The type initializer for 'LibGit2Sharp.Core.NativeMethods' threw an exception. [/aspnetcore/src/SignalR/common/SignalR.Common/src/Microsoft.AspNetCore.SignalR.Common.csproj]
  114. /root/.nuget/packages/microsoft.build.tasks.git/1.0.0-beta2-18618-05/build/Microsoft.Build.Tasks.Git.targets(20,5): warning :    at LibGit2Sharp.Core.NativeMethods.git_buf_free(GitBuf buf) [/aspnetcore/src/SignalR/common/SignalR.Common/src/Microsoft.AspNetCore.SignalR.Common.csproj]
  115. /root/.nuget/packages/microsoft.build.tasks.git/1.0.0-beta2-18618-05/build/Microsoft.Build.Tasks.Git.targets(20,5): warning :    at LibGit2Sharp.Core.Proxy.ConvertPath(Func`2 pathRetriever) [/aspnetcore/src/SignalR/common/SignalR.Common/src/Microsoft.AspNetCore.SignalR.Common.csproj]
  116. /root/.nuget/packages/microsoft.build.tasks.git/1.0.0-beta2-18618-05/build/Microsoft.Build.Tasks.Git.targets(20,5): warning :    at LibGit2Sharp.Repository.Discover(String startingPath) [/aspnetcore/src/SignalR/common/SignalR.Common/src/Microsoft.AspNetCore.SignalR.Common.csproj]
  117. /root/.nuget/packages/microsoft.build.tasks.git/1.0.0-beta2-18618-05/build/Microsoft.Build.Tasks.Git.targets(20,5): warning :    at Microsoft.Build.Tasks.Git.GitOperations.LocateRepository(String directory) in /_/src/Microsoft.Build.Tasks.Git.Operations/GitOperations.cs:line 26 [/aspnetcore/src/SignalR/common/SignalR.Common/src/Microsoft.AspNetCore.SignalR.Common.csproj]
  118. /root/.nuget/packages/microsoft.build.tasks.git/1.0.0-beta2-18618-05/build/Microsoft.Build.Tasks.Git.targets(20,5): warning :    at Microsoft.Build.Tasks.Git.RepositoryTasks.LocateRepository(LocateRepository task) in /_/src/Microsoft.Build.Tasks.Git.Operations/RepositoryTasks.cs:line 58 [/aspnetcore/src/SignalR/common/SignalR.Common/src/Microsoft.AspNetCore.SignalR.Common.csproj]
  119. /root/.nuget/packages/microsoft.sourcelink.common/1.0.0-beta2-18618-05/build/Microsoft.SourceLink.Common.targets(53,5): warning : Source control information is not available - the generated source link is empty. [/aspnetcore/src/SignalR/common/SignalR.Common/src/Microsoft.AspNetCore.SignalR.Common.csproj]
  120. /root/.nuget/packages/microsoft.build.tasks.git/1.0.0-beta2-18618-05/build/Microsoft.Build.Tasks.Git.targets(20,5): warning : The type initializer for 'LibGit2Sharp.Core.NativeMethods' threw an exception. [/aspnetcore/src/Middleware/WebSockets/src/Microsoft.AspNetCore.WebSockets.csproj]
  121. /root/.nuget/packages/microsoft.build.tasks.git/1.0.0-beta2-18618-05/build/Microsoft.Build.Tasks.Git.targets(20,5): warning :    at LibGit2Sharp.Core.NativeMethods.git_buf_free(GitBuf buf) [/aspnetcore/src/Middleware/WebSockets/src/Microsoft.AspNetCore.WebSockets.csproj]
  122. /root/.nuget/packages/microsoft.build.tasks.git/1.0.0-beta2-18618-05/build/Microsoft.Build.Tasks.Git.targets(20,5): warning :    at LibGit2Sharp.Core.Proxy.ConvertPath(Func`2 pathRetriever) [/aspnetcore/src/Middleware/WebSockets/src/Microsoft.AspNetCore.WebSockets.csproj]
  123. /root/.nuget/packages/microsoft.build.tasks.git/1.0.0-beta2-18618-05/build/Microsoft.Build.Tasks.Git.targets(20,5): warning :    at LibGit2Sharp.Repository.Discover(String startingPath) [/aspnetcore/src/Middleware/WebSockets/src/Microsoft.AspNetCore.WebSockets.csproj]
  124. /root/.nuget/packages/microsoft.build.tasks.git/1.0.0-beta2-18618-05/build/Microsoft.Build.Tasks.Git.targets(20,5): warning :    at Microsoft.Build.Tasks.Git.GitOperations.LocateRepository(String directory) in /_/src/Microsoft.Build.Tasks.Git.Operations/GitOperations.cs:line 26 [/aspnetcore/src/Middleware/WebSockets/src/Microsoft.AspNetCore.WebSockets.csproj]
  125. /root/.nuget/packages/microsoft.build.tasks.git/1.0.0-beta2-18618-05/build/Microsoft.Build.Tasks.Git.targets(20,5): warning :    at Microsoft.Build.Tasks.Git.RepositoryTasks.LocateRepository(LocateRepository task) in /_/src/Microsoft.Build.Tasks.Git.Operations/RepositoryTasks.cs:line 58 [/aspnetcore/src/Middleware/WebSockets/src/Microsoft.AspNetCore.WebSockets.csproj]
  126. /root/.nuget/packages/microsoft.sourcelink.common/1.0.0-beta2-18618-05/build/Microsoft.SourceLink.Common.targets(53,5): warning : Source control information is not available - the generated source link is empty. [/aspnetcore/src/Middleware/WebSockets/src/Microsoft.AspNetCore.WebSockets.csproj]
  127. /root/.nuget/packages/microsoft.build.tasks.git/1.0.0-beta2-18618-05/build/Microsoft.Build.Tasks.Git.targets(20,5): warning : The type initializer for 'LibGit2Sharp.Core.NativeMethods' threw an exception. [/aspnetcore/src/SignalR/common/Protocols.Json/src/Microsoft.AspNetCore.SignalR.Protocols.Json.csproj]
  128. /root/.nuget/packages/microsoft.build.tasks.git/1.0.0-beta2-18618-05/build/Microsoft.Build.Tasks.Git.targets(20,5): warning :    at LibGit2Sharp.Core.NativeMethods.git_buf_free(GitBuf buf) [/aspnetcore/src/SignalR/common/Protocols.Json/src/Microsoft.AspNetCore.SignalR.Protocols.Json.csproj]
  129. /root/.nuget/packages/microsoft.build.tasks.git/1.0.0-beta2-18618-05/build/Microsoft.Build.Tasks.Git.targets(20,5): warning :    at LibGit2Sharp.Core.Proxy.ConvertPath(Func`2 pathRetriever) [/aspnetcore/src/SignalR/common/Protocols.Json/src/Microsoft.AspNetCore.SignalR.Protocols.Json.csproj]
  130. /root/.nuget/packages/microsoft.build.tasks.git/1.0.0-beta2-18618-05/build/Microsoft.Build.Tasks.Git.targets(20,5): warning :    at LibGit2Sharp.Repository.Discover(String startingPath) [/aspnetcore/src/SignalR/common/Protocols.Json/src/Microsoft.AspNetCore.SignalR.Protocols.Json.csproj]
  131. /root/.nuget/packages/microsoft.build.tasks.git/1.0.0-beta2-18618-05/build/Microsoft.Build.Tasks.Git.targets(20,5): warning :    at Microsoft.Build.Tasks.Git.GitOperations.LocateRepository(String directory) in /_/src/Microsoft.Build.Tasks.Git.Operations/GitOperations.cs:line 26 [/aspnetcore/src/SignalR/common/Protocols.Json/src/Microsoft.AspNetCore.SignalR.Protocols.Json.csproj]
  132. /root/.nuget/packages/microsoft.build.tasks.git/1.0.0-beta2-18618-05/build/Microsoft.Build.Tasks.Git.targets(20,5): warning :    at Microsoft.Build.Tasks.Git.RepositoryTasks.LocateRepository(LocateRepository task) in /_/src/Microsoft.Build.Tasks.Git.Operations/RepositoryTasks.cs:line 58 [/aspnetcore/src/SignalR/common/Protocols.Json/src/Microsoft.AspNetCore.SignalR.Protocols.Json.csproj]
  133. /root/.nuget/packages/microsoft.build.tasks.git/1.0.0-beta2-18618-05/build/Microsoft.Build.Tasks.Git.targets(20,5): warning : The type initializer for 'LibGit2Sharp.Core.NativeMethods' threw an exception. [/aspnetcore/src/Servers/Kestrel/Transport.Abstractions/src/Microsoft.AspNetCore.Server.Kestrel.Transport.Abstractions.csproj]
  134. /root/.nuget/packages/microsoft.build.tasks.git/1.0.0-beta2-18618-05/build/Microsoft.Build.Tasks.Git.targets(20,5): warning :    at LibGit2Sharp.Core.NativeMethods.git_buf_free(GitBuf buf) [/aspnetcore/src/Servers/Kestrel/Transport.Abstractions/src/Microsoft.AspNetCore.Server.Kestrel.Transport.Abstractions.csproj]
  135. /root/.nuget/packages/microsoft.build.tasks.git/1.0.0-beta2-18618-05/build/Microsoft.Build.Tasks.Git.targets(20,5): warning :    at LibGit2Sharp.Core.Proxy.ConvertPath(Func`2 pathRetriever) [/aspnetcore/src/Servers/Kestrel/Transport.Abstractions/src/Microsoft.AspNetCore.Server.Kestrel.Transport.Abstractions.csproj]
  136. /root/.nuget/packages/microsoft.build.tasks.git/1.0.0-beta2-18618-05/build/Microsoft.Build.Tasks.Git.targets(20,5): warning :    at LibGit2Sharp.Repository.Discover(String startingPath) [/aspnetcore/src/Servers/Kestrel/Transport.Abstractions/src/Microsoft.AspNetCore.Server.Kestrel.Transport.Abstractions.csproj]
  137. /root/.nuget/packages/microsoft.build.tasks.git/1.0.0-beta2-18618-05/build/Microsoft.Build.Tasks.Git.targets(20,5): warning :    at Microsoft.Build.Tasks.Git.GitOperations.LocateRepository(String directory) in /_/src/Microsoft.Build.Tasks.Git.Operations/GitOperations.cs:line 26 [/aspnetcore/src/Servers/Kestrel/Transport.Abstractions/src/Microsoft.AspNetCore.Server.Kestrel.Transport.Abstractions.csproj]
  138. /root/.nuget/packages/microsoft.build.tasks.git/1.0.0-beta2-18618-05/build/Microsoft.Build.Tasks.Git.targets(20,5): warning :    at Microsoft.Build.Tasks.Git.RepositoryTasks.LocateRepository(LocateRepository task) in /_/src/Microsoft.Build.Tasks.Git.Operations/RepositoryTasks.cs:line 58 [/aspnetcore/src/Servers/Kestrel/Transport.Abstractions/src/Microsoft.AspNetCore.Server.Kestrel.Transport.Abstractions.csproj]
  139. /root/.nuget/packages/microsoft.sourcelink.common/1.0.0-beta2-18618-05/build/Microsoft.SourceLink.Common.targets(53,5): warning : Source control information is not available - the generated source link is empty. [/aspnetcore/src/SignalR/common/Protocols.Json/src/Microsoft.AspNetCore.SignalR.Protocols.Json.csproj]
  140. /root/.nuget/packages/microsoft.sourcelink.common/1.0.0-beta2-18618-05/build/Microsoft.SourceLink.Common.targets(53,5): warning : Source control information is not available - the generated source link is empty. [/aspnetcore/src/Servers/Kestrel/Transport.Abstractions/src/Microsoft.AspNetCore.Server.Kestrel.Transport.Abstractions.csproj]
  141. /root/.nuget/packages/microsoft.build.tasks.git/1.0.0-beta2-18618-05/build/Microsoft.Build.Tasks.Git.targets(20,5): warning : The type initializer for 'LibGit2Sharp.Core.NativeMethods' threw an exception. [/aspnetcore/src/SignalR/common/Http.Connections.Common/src/Microsoft.AspNetCore.Http.Connections.Common.csproj]
  142. /root/.nuget/packages/microsoft.build.tasks.git/1.0.0-beta2-18618-05/build/Microsoft.Build.Tasks.Git.targets(20,5): warning :    at LibGit2Sharp.Core.NativeMethods.git_buf_free(GitBuf buf) [/aspnetcore/src/SignalR/common/Http.Connections.Common/src/Microsoft.AspNetCore.Http.Connections.Common.csproj]
  143. /root/.nuget/packages/microsoft.build.tasks.git/1.0.0-beta2-18618-05/build/Microsoft.Build.Tasks.Git.targets(20,5): warning :    at LibGit2Sharp.Core.Proxy.ConvertPath(Func`2 pathRetriever) [/aspnetcore/src/SignalR/common/Http.Connections.Common/src/Microsoft.AspNetCore.Http.Connections.Common.csproj]
  144. /root/.nuget/packages/microsoft.build.tasks.git/1.0.0-beta2-18618-05/build/Microsoft.Build.Tasks.Git.targets(20,5): warning :    at LibGit2Sharp.Repository.Discover(String startingPath) [/aspnetcore/src/SignalR/common/Http.Connections.Common/src/Microsoft.AspNetCore.Http.Connections.Common.csproj]
  145. /root/.nuget/packages/microsoft.build.tasks.git/1.0.0-beta2-18618-05/build/Microsoft.Build.Tasks.Git.targets(20,5): warning :    at Microsoft.Build.Tasks.Git.GitOperations.LocateRepository(String directory) in /_/src/Microsoft.Build.Tasks.Git.Operations/GitOperations.cs:line 26 [/aspnetcore/src/SignalR/common/Http.Connections.Common/src/Microsoft.AspNetCore.Http.Connections.Common.csproj]
  146. /root/.nuget/packages/microsoft.build.tasks.git/1.0.0-beta2-18618-05/build/Microsoft.Build.Tasks.Git.targets(20,5): warning :    at Microsoft.Build.Tasks.Git.RepositoryTasks.LocateRepository(LocateRepository task) in /_/src/Microsoft.Build.Tasks.Git.Operations/RepositoryTasks.cs:line 58 [/aspnetcore/src/SignalR/common/Http.Connections.Common/src/Microsoft.AspNetCore.Http.Connections.Common.csproj]
  147. /root/.nuget/packages/microsoft.sourcelink.common/1.0.0-beta2-18618-05/build/Microsoft.SourceLink.Common.targets(53,5): warning : Source control information is not available - the generated source link is empty. [/aspnetcore/src/SignalR/common/Http.Connections.Common/src/Microsoft.AspNetCore.Http.Connections.Common.csproj]
  148. /root/.nuget/packages/microsoft.build.tasks.git/1.0.0-beta2-18618-05/build/Microsoft.Build.Tasks.Git.targets(20,5): warning : The type initializer for 'LibGit2Sharp.Core.NativeMethods' threw an exception. [/aspnetcore/src/Servers/Kestrel/Transport.Sockets/src/Microsoft.AspNetCore.Server.Kestrel.Transport.Sockets.csproj]
  149. /root/.nuget/packages/microsoft.build.tasks.git/1.0.0-beta2-18618-05/build/Microsoft.Build.Tasks.Git.targets(20,5): warning :    at LibGit2Sharp.Core.NativeMethods.git_buf_free(GitBuf buf) [/aspnetcore/src/Servers/Kestrel/Transport.Sockets/src/Microsoft.AspNetCore.Server.Kestrel.Transport.Sockets.csproj]
  150. /root/.nuget/packages/microsoft.build.tasks.git/1.0.0-beta2-18618-05/build/Microsoft.Build.Tasks.Git.targets(20,5): warning :    at LibGit2Sharp.Core.Proxy.ConvertPath(Func`2 pathRetriever) [/aspnetcore/src/Servers/Kestrel/Transport.Sockets/src/Microsoft.AspNetCore.Server.Kestrel.Transport.Sockets.csproj]
  151. /root/.nuget/packages/microsoft.build.tasks.git/1.0.0-beta2-18618-05/build/Microsoft.Build.Tasks.Git.targets(20,5): warning :    at LibGit2Sharp.Repository.Discover(String startingPath) [/aspnetcore/src/Servers/Kestrel/Transport.Sockets/src/Microsoft.AspNetCore.Server.Kestrel.Transport.Sockets.csproj]
  152. /root/.nuget/packages/microsoft.build.tasks.git/1.0.0-beta2-18618-05/build/Microsoft.Build.Tasks.Git.targets(20,5): warning :    at Microsoft.Build.Tasks.Git.GitOperations.LocateRepository(String directory) in /_/src/Microsoft.Build.Tasks.Git.Operations/GitOperations.cs:line 26 [/aspnetcore/src/Servers/Kestrel/Transport.Sockets/src/Microsoft.AspNetCore.Server.Kestrel.Transport.Sockets.csproj]
  153. /root/.nuget/packages/microsoft.build.tasks.git/1.0.0-beta2-18618-05/build/Microsoft.Build.Tasks.Git.targets(20,5): warning :    at Microsoft.Build.Tasks.Git.RepositoryTasks.LocateRepository(LocateRepository task) in /_/src/Microsoft.Build.Tasks.Git.Operations/RepositoryTasks.cs:line 58 [/aspnetcore/src/Servers/Kestrel/Transport.Sockets/src/Microsoft.AspNetCore.Server.Kestrel.Transport.Sockets.csproj]
  154. /root/.nuget/packages/microsoft.sourcelink.common/1.0.0-beta2-18618-05/build/Microsoft.SourceLink.Common.targets(53,5): warning : Source control information is not available - the generated source link is empty. [/aspnetcore/src/Servers/Kestrel/Transport.Sockets/src/Microsoft.AspNetCore.Server.Kestrel.Transport.Sockets.csproj]
  155. /root/.nuget/packages/microsoft.build.tasks.git/1.0.0-beta2-18618-05/build/Microsoft.Build.Tasks.Git.targets(20,5): warning : The type initializer for 'LibGit2Sharp.Core.NativeMethods' threw an exception. [/aspnetcore/src/Hosting/Hosting/src/Microsoft.AspNetCore.Hosting.csproj]
  156. /root/.nuget/packages/microsoft.build.tasks.git/1.0.0-beta2-18618-05/build/Microsoft.Build.Tasks.Git.targets(20,5): warning :    at LibGit2Sharp.Core.NativeMethods.git_buf_free(GitBuf buf) [/aspnetcore/src/Hosting/Hosting/src/Microsoft.AspNetCore.Hosting.csproj]
  157. /root/.nuget/packages/microsoft.build.tasks.git/1.0.0-beta2-18618-05/build/Microsoft.Build.Tasks.Git.targets(20,5): warning :    at LibGit2Sharp.Core.Proxy.ConvertPath(Func`2 pathRetriever) [/aspnetcore/src/Hosting/Hosting/src/Microsoft.AspNetCore.Hosting.csproj]
  158. /root/.nuget/packages/microsoft.build.tasks.git/1.0.0-beta2-18618-05/build/Microsoft.Build.Tasks.Git.targets(20,5): warning :    at LibGit2Sharp.Repository.Discover(String startingPath) [/aspnetcore/src/Hosting/Hosting/src/Microsoft.AspNetCore.Hosting.csproj]
  159. /root/.nuget/packages/microsoft.build.tasks.git/1.0.0-beta2-18618-05/build/Microsoft.Build.Tasks.Git.targets(20,5): warning :    at Microsoft.Build.Tasks.Git.GitOperations.LocateRepository(String directory) in /_/src/Microsoft.Build.Tasks.Git.Operations/GitOperations.cs:line 26 [/aspnetcore/src/Hosting/Hosting/src/Microsoft.AspNetCore.Hosting.csproj]
  160. /root/.nuget/packages/microsoft.build.tasks.git/1.0.0-beta2-18618-05/build/Microsoft.Build.Tasks.Git.targets(20,5): warning :    at Microsoft.Build.Tasks.Git.RepositoryTasks.LocateRepository(LocateRepository task) in /_/src/Microsoft.Build.Tasks.Git.Operations/RepositoryTasks.cs:line 58 [/aspnetcore/src/Hosting/Hosting/src/Microsoft.AspNetCore.Hosting.csproj]
  161. /root/.nuget/packages/microsoft.sourcelink.common/1.0.0-beta2-18618-05/build/Microsoft.SourceLink.Common.targets(53,5): warning : Source control information is not available - the generated source link is empty. [/aspnetcore/src/Hosting/Hosting/src/Microsoft.AspNetCore.Hosting.csproj]
  162. /root/.nuget/packages/microsoft.build.tasks.git/1.0.0-beta2-18618-05/build/Microsoft.Build.Tasks.Git.targets(20,5): warning : The type initializer for 'LibGit2Sharp.Core.NativeMethods' threw an exception. [/aspnetcore/src/Servers/Kestrel/Core/src/Microsoft.AspNetCore.Server.Kestrel.Core.csproj]
  163. /root/.nuget/packages/microsoft.build.tasks.git/1.0.0-beta2-18618-05/build/Microsoft.Build.Tasks.Git.targets(20,5): warning :    at LibGit2Sharp.Core.NativeMethods.git_buf_free(GitBuf buf) [/aspnetcore/src/Servers/Kestrel/Core/src/Microsoft.AspNetCore.Server.Kestrel.Core.csproj]
  164. /root/.nuget/packages/microsoft.build.tasks.git/1.0.0-beta2-18618-05/build/Microsoft.Build.Tasks.Git.targets(20,5): warning :    at LibGit2Sharp.Core.Proxy.ConvertPath(Func`2 pathRetriever) [/aspnetcore/src/Servers/Kestrel/Core/src/Microsoft.AspNetCore.Server.Kestrel.Core.csproj]
  165. /root/.nuget/packages/microsoft.build.tasks.git/1.0.0-beta2-18618-05/build/Microsoft.Build.Tasks.Git.targets(20,5): warning :    at LibGit2Sharp.Repository.Discover(String startingPath) [/aspnetcore/src/Servers/Kestrel/Core/src/Microsoft.AspNetCore.Server.Kestrel.Core.csproj]
  166. /root/.nuget/packages/microsoft.build.tasks.git/1.0.0-beta2-18618-05/build/Microsoft.Build.Tasks.Git.targets(20,5): warning :    at Microsoft.Build.Tasks.Git.GitOperations.LocateRepository(String directory) in /_/src/Microsoft.Build.Tasks.Git.Operations/GitOperations.cs:line 26 [/aspnetcore/src/Servers/Kestrel/Core/src/Microsoft.AspNetCore.Server.Kestrel.Core.csproj]
  167. /root/.nuget/packages/microsoft.build.tasks.git/1.0.0-beta2-18618-05/build/Microsoft.Build.Tasks.Git.targets(20,5): warning :    at Microsoft.Build.Tasks.Git.RepositoryTasks.LocateRepository(LocateRepository task) in /_/src/Microsoft.Build.Tasks.Git.Operations/RepositoryTasks.cs:line 58 [/aspnetcore/src/Servers/Kestrel/Core/src/Microsoft.AspNetCore.Server.Kestrel.Core.csproj]
  168. /root/.nuget/packages/microsoft.sourcelink.common/1.0.0-beta2-18618-05/build/Microsoft.SourceLink.Common.targets(53,5): warning : Source control information is not available - the generated source link is empty. [/aspnetcore/src/Servers/Kestrel/Core/src/Microsoft.AspNetCore.Server.Kestrel.Core.csproj]
  169. /root/.nuget/packages/microsoft.build.tasks.git/1.0.0-beta2-18618-05/build/Microsoft.Build.Tasks.Git.targets(20,5): warning : The type initializer for 'LibGit2Sharp.Core.NativeMethods' threw an exception. [/aspnetcore/src/SignalR/common/Http.Connections/src/Microsoft.AspNetCore.Http.Connections.csproj]
  170. /root/.nuget/packages/microsoft.build.tasks.git/1.0.0-beta2-18618-05/build/Microsoft.Build.Tasks.Git.targets(20,5): warning :    at LibGit2Sharp.Core.NativeMethods.git_buf_free(GitBuf buf) [/aspnetcore/src/SignalR/common/Http.Connections/src/Microsoft.AspNetCore.Http.Connections.csproj]
  171. /root/.nuget/packages/microsoft.build.tasks.git/1.0.0-beta2-18618-05/build/Microsoft.Build.Tasks.Git.targets(20,5): warning :    at LibGit2Sharp.Core.Proxy.ConvertPath(Func`2 pathRetriever) [/aspnetcore/src/SignalR/common/Http.Connections/src/Microsoft.AspNetCore.Http.Connections.csproj]
  172. /root/.nuget/packages/microsoft.build.tasks.git/1.0.0-beta2-18618-05/build/Microsoft.Build.Tasks.Git.targets(20,5): warning :    at LibGit2Sharp.Repository.Discover(String startingPath) [/aspnetcore/src/SignalR/common/Http.Connections/src/Microsoft.AspNetCore.Http.Connections.csproj]
  173. /root/.nuget/packages/microsoft.build.tasks.git/1.0.0-beta2-18618-05/build/Microsoft.Build.Tasks.Git.targets(20,5): warning :    at Microsoft.Build.Tasks.Git.GitOperations.LocateRepository(String directory) in /_/src/Microsoft.Build.Tasks.Git.Operations/GitOperations.cs:line 26 [/aspnetcore/src/SignalR/common/Http.Connections/src/Microsoft.AspNetCore.Http.Connections.csproj]
  174. /root/.nuget/packages/microsoft.build.tasks.git/1.0.0-beta2-18618-05/build/Microsoft.Build.Tasks.Git.targets(20,5): warning :    at Microsoft.Build.Tasks.Git.RepositoryTasks.LocateRepository(LocateRepository task) in /_/src/Microsoft.Build.Tasks.Git.Operations/RepositoryTasks.cs:line 58 [/aspnetcore/src/SignalR/common/Http.Connections/src/Microsoft.AspNetCore.Http.Connections.csproj]
  175. /root/.nuget/packages/microsoft.sourcelink.common/1.0.0-beta2-18618-05/build/Microsoft.SourceLink.Common.targets(53,5): warning : Source control information is not available - the generated source link is empty. [/aspnetcore/src/SignalR/common/Http.Connections/src/Microsoft.AspNetCore.Http.Connections.csproj]
  176. /root/.nuget/packages/microsoft.build.tasks.git/1.0.0-beta2-18618-05/build/Microsoft.Build.Tasks.Git.targets(20,5): warning : The type initializer for 'LibGit2Sharp.Core.NativeMethods' threw an exception. [/aspnetcore/src/Servers/Kestrel/Kestrel/src/Microsoft.AspNetCore.Server.Kestrel.csproj]
  177. /root/.nuget/packages/microsoft.build.tasks.git/1.0.0-beta2-18618-05/build/Microsoft.Build.Tasks.Git.targets(20,5): warning :    at LibGit2Sharp.Core.NativeMethods.git_buf_free(GitBuf buf) [/aspnetcore/src/Servers/Kestrel/Kestrel/src/Microsoft.AspNetCore.Server.Kestrel.csproj]
  178. /root/.nuget/packages/microsoft.build.tasks.git/1.0.0-beta2-18618-05/build/Microsoft.Build.Tasks.Git.targets(20,5): warning :    at LibGit2Sharp.Core.Proxy.ConvertPath(Func`2 pathRetriever) [/aspnetcore/src/Servers/Kestrel/Kestrel/src/Microsoft.AspNetCore.Server.Kestrel.csproj]
  179. /root/.nuget/packages/microsoft.build.tasks.git/1.0.0-beta2-18618-05/build/Microsoft.Build.Tasks.Git.targets(20,5): warning :    at LibGit2Sharp.Repository.Discover(String startingPath) [/aspnetcore/src/Servers/Kestrel/Kestrel/src/Microsoft.AspNetCore.Server.Kestrel.csproj]
  180. /root/.nuget/packages/microsoft.build.tasks.git/1.0.0-beta2-18618-05/build/Microsoft.Build.Tasks.Git.targets(20,5): warning :    at Microsoft.Build.Tasks.Git.GitOperations.LocateRepository(String directory) in /_/src/Microsoft.Build.Tasks.Git.Operations/GitOperations.cs:line 26 [/aspnetcore/src/Servers/Kestrel/Kestrel/src/Microsoft.AspNetCore.Server.Kestrel.csproj]
  181. /root/.nuget/packages/microsoft.build.tasks.git/1.0.0-beta2-18618-05/build/Microsoft.Build.Tasks.Git.targets(20,5): warning :    at Microsoft.Build.Tasks.Git.RepositoryTasks.LocateRepository(LocateRepository task) in /_/src/Microsoft.Build.Tasks.Git.Operations/RepositoryTasks.cs:line 58 [/aspnetcore/src/Servers/Kestrel/Kestrel/src/Microsoft.AspNetCore.Server.Kestrel.csproj]
  182. /root/.nuget/packages/microsoft.sourcelink.common/1.0.0-beta2-18618-05/build/Microsoft.SourceLink.Common.targets(53,5): warning : Source control information is not available - the generated source link is empty. [/aspnetcore/src/Servers/Kestrel/Kestrel/src/Microsoft.AspNetCore.Server.Kestrel.csproj]
  183. /root/.nuget/packages/microsoft.build.tasks.git/1.0.0-beta2-18618-05/build/Microsoft.Build.Tasks.Git.targets(20,5): warning : The type initializer for 'LibGit2Sharp.Core.NativeMethods' threw an exception. [/aspnetcore/src/SignalR/server/Core/src/Microsoft.AspNetCore.SignalR.Core.csproj]
  184. /root/.nuget/packages/microsoft.build.tasks.git/1.0.0-beta2-18618-05/build/Microsoft.Build.Tasks.Git.targets(20,5): warning :    at LibGit2Sharp.Core.NativeMethods.git_buf_free(GitBuf buf) [/aspnetcore/src/SignalR/server/Core/src/Microsoft.AspNetCore.SignalR.Core.csproj]
  185. /root/.nuget/packages/microsoft.build.tasks.git/1.0.0-beta2-18618-05/build/Microsoft.Build.Tasks.Git.targets(20,5): warning :    at LibGit2Sharp.Core.Proxy.ConvertPath(Func`2 pathRetriever) [/aspnetcore/src/SignalR/server/Core/src/Microsoft.AspNetCore.SignalR.Core.csproj]
  186. /root/.nuget/packages/microsoft.build.tasks.git/1.0.0-beta2-18618-05/build/Microsoft.Build.Tasks.Git.targets(20,5): warning :    at LibGit2Sharp.Repository.Discover(String startingPath) [/aspnetcore/src/SignalR/server/Core/src/Microsoft.AspNetCore.SignalR.Core.csproj]
  187. /root/.nuget/packages/microsoft.build.tasks.git/1.0.0-beta2-18618-05/build/Microsoft.Build.Tasks.Git.targets(20,5): warning :    at Microsoft.Build.Tasks.Git.GitOperations.LocateRepository(String directory) in /_/src/Microsoft.Build.Tasks.Git.Operations/GitOperations.cs:line 26 [/aspnetcore/src/SignalR/server/Core/src/Microsoft.AspNetCore.SignalR.Core.csproj]
  188. /root/.nuget/packages/microsoft.build.tasks.git/1.0.0-beta2-18618-05/build/Microsoft.Build.Tasks.Git.targets(20,5): warning :    at Microsoft.Build.Tasks.Git.RepositoryTasks.LocateRepository(LocateRepository task) in /_/src/Microsoft.Build.Tasks.Git.Operations/RepositoryTasks.cs:line 58 [/aspnetcore/src/SignalR/server/Core/src/Microsoft.AspNetCore.SignalR.Core.csproj]
  189. /root/.nuget/packages/microsoft.sourcelink.common/1.0.0-beta2-18618-05/build/Microsoft.SourceLink.Common.targets(53,5): warning : Source control information is not available - the generated source link is empty. [/aspnetcore/src/SignalR/server/Core/src/Microsoft.AspNetCore.SignalR.Core.csproj]
  190. /root/.nuget/packages/microsoft.build.tasks.git/1.0.0-beta2-18618-05/build/Microsoft.Build.Tasks.Git.targets(20,5): warning : The type initializer for 'LibGit2Sharp.Core.NativeMethods' threw an exception. [/aspnetcore/src/SignalR/server/StackExchangeRedis/src/Microsoft.AspNetCore.SignalR.StackExchangeRedis.csproj]
  191. /root/.nuget/packages/microsoft.build.tasks.git/1.0.0-beta2-18618-05/build/Microsoft.Build.Tasks.Git.targets(20,5): warning :    at LibGit2Sharp.Core.NativeMethods.git_buf_free(GitBuf buf) [/aspnetcore/src/SignalR/server/StackExchangeRedis/src/Microsoft.AspNetCore.SignalR.StackExchangeRedis.csproj]
  192. /root/.nuget/packages/microsoft.build.tasks.git/1.0.0-beta2-18618-05/build/Microsoft.Build.Tasks.Git.targets(20,5): warning :    at LibGit2Sharp.Core.Proxy.ConvertPath(Func`2 pathRetriever) [/aspnetcore/src/SignalR/server/StackExchangeRedis/src/Microsoft.AspNetCore.SignalR.StackExchangeRedis.csproj]
  193. /root/.nuget/packages/microsoft.build.tasks.git/1.0.0-beta2-18618-05/build/Microsoft.Build.Tasks.Git.targets(20,5): warning :    at LibGit2Sharp.Repository.Discover(String startingPath) [/aspnetcore/src/SignalR/server/StackExchangeRedis/src/Microsoft.AspNetCore.SignalR.StackExchangeRedis.csproj]
  194. /root/.nuget/packages/microsoft.build.tasks.git/1.0.0-beta2-18618-05/build/Microsoft.Build.Tasks.Git.targets(20,5): warning :    at Microsoft.Build.Tasks.Git.GitOperations.LocateRepository(String directory) in /_/src/Microsoft.Build.Tasks.Git.Operations/GitOperations.cs:line 26 [/aspnetcore/src/SignalR/server/StackExchangeRedis/src/Microsoft.AspNetCore.SignalR.StackExchangeRedis.csproj]
  195. /root/.nuget/packages/microsoft.build.tasks.git/1.0.0-beta2-18618-05/build/Microsoft.Build.Tasks.Git.targets(20,5): warning :    at Microsoft.Build.Tasks.Git.RepositoryTasks.LocateRepository(LocateRepository task) in /_/src/Microsoft.Build.Tasks.Git.Operations/RepositoryTasks.cs:line 58 [/aspnetcore/src/SignalR/server/StackExchangeRedis/src/Microsoft.AspNetCore.SignalR.StackExchangeRedis.csproj]
  196. /root/.nuget/packages/microsoft.sourcelink.common/1.0.0-beta2-18618-05/build/Microsoft.SourceLink.Common.targets(53,5): warning : Source control information is not available - the generated source link is empty. [/aspnetcore/src/SignalR/server/StackExchangeRedis/src/Microsoft.AspNetCore.SignalR.StackExchangeRedis.csproj]
  197. /root/.nuget/packages/microsoft.build.tasks.git/1.0.0-beta2-18618-05/build/Microsoft.Build.Tasks.Git.targets(20,5): warning : The type initializer for 'LibGit2Sharp.Core.NativeMethods' threw an exception. [/aspnetcore/src/SignalR/server/SignalR/src/Microsoft.AspNetCore.SignalR.csproj]
  198. /root/.nuget/packages/microsoft.build.tasks.git/1.0.0-beta2-18618-05/build/Microsoft.Build.Tasks.Git.targets(20,5): warning :    at LibGit2Sharp.Core.NativeMethods.git_buf_free(GitBuf buf) [/aspnetcore/src/SignalR/server/SignalR/src/Microsoft.AspNetCore.SignalR.csproj]
  199. /root/.nuget/packages/microsoft.build.tasks.git/1.0.0-beta2-18618-05/build/Microsoft.Build.Tasks.Git.targets(20,5): warning :    at LibGit2Sharp.Core.Proxy.ConvertPath(Func`2 pathRetriever) [/aspnetcore/src/SignalR/server/SignalR/src/Microsoft.AspNetCore.SignalR.csproj]
  200. /root/.nuget/packages/microsoft.build.tasks.git/1.0.0-beta2-18618-05/build/Microsoft.Build.Tasks.Git.targets(20,5): warning :    at LibGit2Sharp.Repository.Discover(String startingPath) [/aspnetcore/src/SignalR/server/SignalR/src/Microsoft.AspNetCore.SignalR.csproj]
  201. /root/.nuget/packages/microsoft.build.tasks.git/1.0.0-beta2-18618-05/build/Microsoft.Build.Tasks.Git.targets(20,5): warning :    at Microsoft.Build.Tasks.Git.GitOperations.LocateRepository(String directory) in /_/src/Microsoft.Build.Tasks.Git.Operations/GitOperations.cs:line 26 [/aspnetcore/src/SignalR/server/SignalR/src/Microsoft.AspNetCore.SignalR.csproj]
  202. /root/.nuget/packages/microsoft.build.tasks.git/1.0.0-beta2-18618-05/build/Microsoft.Build.Tasks.Git.targets(20,5): warning :    at Microsoft.Build.Tasks.Git.RepositoryTasks.LocateRepository(LocateRepository task) in /_/src/Microsoft.Build.Tasks.Git.Operations/RepositoryTasks.cs:line 58 [/aspnetcore/src/SignalR/server/SignalR/src/Microsoft.AspNetCore.SignalR.csproj]
  203. /root/.nuget/packages/microsoft.sourcelink.common/1.0.0-beta2-18618-05/build/Microsoft.SourceLink.Common.targets(53,5): warning : Source control information is not available - the generated source link is empty. [/aspnetcore/src/SignalR/server/SignalR/src/Microsoft.AspNetCore.SignalR.csproj]
  204. /root/.nuget/packages/microsoft.build.tasks.git/1.0.0-beta2-18618-05/build/Microsoft.Build.Tasks.Git.targets(20,5): warning : The type initializer for 'LibGit2Sharp.Core.NativeMethods' threw an exception. [/aspnetcore/src/SignalR/perf/benchmarkapps/BenchmarkServer/BenchmarkServer.csproj]
  205. /root/.nuget/packages/microsoft.build.tasks.git/1.0.0-beta2-18618-05/build/Microsoft.Build.Tasks.Git.targets(20,5): warning :    at LibGit2Sharp.Core.NativeMethods.git_buf_free(GitBuf buf) [/aspnetcore/src/SignalR/perf/benchmarkapps/BenchmarkServer/BenchmarkServer.csproj]
  206. /root/.nuget/packages/microsoft.build.tasks.git/1.0.0-beta2-18618-05/build/Microsoft.Build.Tasks.Git.targets(20,5): warning :    at LibGit2Sharp.Core.Proxy.ConvertPath(Func`2 pathRetriever) [/aspnetcore/src/SignalR/perf/benchmarkapps/BenchmarkServer/BenchmarkServer.csproj]
  207. /root/.nuget/packages/microsoft.build.tasks.git/1.0.0-beta2-18618-05/build/Microsoft.Build.Tasks.Git.targets(20,5): warning :    at LibGit2Sharp.Repository.Discover(String startingPath) [/aspnetcore/src/SignalR/perf/benchmarkapps/BenchmarkServer/BenchmarkServer.csproj]
  208. /root/.nuget/packages/microsoft.build.tasks.git/1.0.0-beta2-18618-05/build/Microsoft.Build.Tasks.Git.targets(20,5): warning :    at Microsoft.Build.Tasks.Git.GitOperations.LocateRepository(String directory) in /_/src/Microsoft.Build.Tasks.Git.Operations/GitOperations.cs:line 26 [/aspnetcore/src/SignalR/perf/benchmarkapps/BenchmarkServer/BenchmarkServer.csproj]
  209. /root/.nuget/packages/microsoft.build.tasks.git/1.0.0-beta2-18618-05/build/Microsoft.Build.Tasks.Git.targets(20,5): warning :    at Microsoft.Build.Tasks.Git.RepositoryTasks.LocateRepository(LocateRepository task) in /_/src/Microsoft.Build.Tasks.Git.Operations/RepositoryTasks.cs:line 58 [/aspnetcore/src/SignalR/perf/benchmarkapps/BenchmarkServer/BenchmarkServer.csproj]
  210. /root/.nuget/packages/microsoft.sourcelink.common/1.0.0-beta2-18618-05/build/Microsoft.SourceLink.Common.targets(53,5): warning : Source control information is not available - the generated source link is empty. [/aspnetcore/src/SignalR/perf/benchmarkapps/BenchmarkServer/BenchmarkServer.csproj]
  211. Process ID: 90
  212. [00:00:01] Current: 209, peak: 209, connected: 170, disconnected: 0, rate: 170/s
  213. [00:00:01] Current: 404, peak: 404, connected: 195, disconnected: 0, rate: 195/s
  214. [00:00:02] Current: 602, peak: 602, connected: 198, disconnected: 0, rate: 198/s
  215. [00:00:03] Current: 802, peak: 802, connected: 200, disconnected: 0, rate: 200/s
  216. [00:00:04] Current: 1006, peak: 1006, connected: 204, disconnected: 0, rate: 204/s
  217. [00:00:05] Current: 1214, peak: 1214, connected: 208, disconnected: 0, rate: 208/s
  218. [00:00:06] Current: 1553, peak: 1553, connected: 339, disconnected: 0, rate: 339/s
  219. [00:00:07] Current: 2027, peak: 2027, connected: 474, disconnected: 0, rate: 474/s
  220. [00:00:08] Current: 2558, peak: 2558, connected: 531, disconnected: 0, rate: 531/s
  221. [00:00:09] Current: 3098, peak: 3098, connected: 540, disconnected: 0, rate: 540/s
  222. [00:00:10] Current: 3635, peak: 3635, connected: 537, disconnected: 0, rate: 537/s
  223. [00:00:12] Current: 4172, peak: 4172, connected: 537, disconnected: 0, rate: 537/s
  224. [00:00:12] Current: 4711, peak: 4711, connected: 539, disconnected: 0, rate: 539/s
  225. [00:00:13] Current: 5248, peak: 5248, connected: 537, disconnected: 0, rate: 537/s
  226. [00:00:14] Current: 5797, peak: 5797, connected: 549, disconnected: 0, rate: 549/s
  227. [00:00:16] Current: 6329, peak: 6329, connected: 532, disconnected: 0, rate: 532/s
  228. [00:00:16] Current: 6869, peak: 6869, connected: 540, disconnected: 0, rate: 540/s
  229. [00:00:17] Current: 7421, peak: 7421, connected: 552, disconnected: 0, rate: 552/s
  230. [00:00:19] Current: 7948, peak: 7948, connected: 527, disconnected: 0, rate: 527/s
  231. [00:00:19] Current: 8490, peak: 8490, connected: 542, disconnected: 0, rate: 542/s
  232. [00:00:20] Current: 8855, peak: 8855, connected: 365, disconnected: 0, rate: 365/s
  233. [00:00:22] Current: 9388, peak: 9388, connected: 533, disconnected: 0, rate: 533/s
  234. [00:00:23] Current: 9930, peak: 9930, connected: 542, disconnected: 0, rate: 542/s
  235. [00:00:23] Current: 10463, peak: 10463, connected: 533, disconnected: 0, rate: 533/s
  236. [00:00:24] Current: 11009, peak: 11009, connected: 546, disconnected: 0, rate: 546/s
  237. [00:00:25] Current: 11538, peak: 11538, connected: 529, disconnected: 0, rate: 529/s
  238. [00:00:27] Current: 12076, peak: 12076, connected: 538, disconnected: 0, rate: 538/s
  239. [00:00:27] Current: 12620, peak: 12620, connected: 544, disconnected: 0, rate: 544/s
  240. [00:00:29] Current: 13139, peak: 13139, connected: 519, disconnected: 0, rate: 519/s
  241. [00:00:30] Current: 13647, peak: 13647, connected: 508, disconnected: 0, rate: 508/s
  242. [00:00:30] Current: 14177, peak: 14177, connected: 530, disconnected: 0, rate: 530/s
  243. [00:00:32] Current: 14715, peak: 14715, connected: 538, disconnected: 0, rate: 538/s
  244. [00:00:33] Current: 15235, peak: 15235, connected: 520, disconnected: 0, rate: 520/s
  245. [00:00:34] Current: 15767, peak: 15767, connected: 532, disconnected: 0, rate: 532/s
  246. [00:00:35] Current: 16218, peak: 16218, connected: 451, disconnected: 0, rate: 451/s
  247. [00:00:36] Current: 16704, peak: 16704, connected: 486, disconnected: 0, rate: 486/s
  248. [00:00:37] Current: 17197, peak: 17197, connected: 493, disconnected: 0, rate: 493/s
  249. [00:00:38] Current: 17703, peak: 17703, connected: 506, disconnected: 0, rate: 506/s
  250. [00:00:39] Current: 18164, peak: 18164, connected: 461, disconnected: 0, rate: 461/s
  251. [00:00:40] Current: 18621, peak: 18621, connected: 457, disconnected: 0, rate: 457/s
  252. [00:00:41] Current: 19044, peak: 19044, connected: 423, disconnected: 0, rate: 423/s
  253. [00:00:42] Current: 19481, peak: 19481, connected: 437, disconnected: 0, rate: 437/s
  254. [00:00:43] Current: 19924, peak: 19924, connected: 443, disconnected: 0, rate: 443/s
  255. [00:00:44] Current: 20366, peak: 20366, connected: 442, disconnected: 0, rate: 442/s
  256. [00:00:45] Current: 20811, peak: 20811, connected: 445, disconnected: 0, rate: 445/s
  257. [00:00:46] Current: 21225, peak: 21225, connected: 414, disconnected: 0, rate: 414/s
  258. [00:00:47] Current: 21659, peak: 21659, connected: 434, disconnected: 0, rate: 434/s
  259. [00:00:48] Current: 22079, peak: 22079, connected: 420, disconnected: 0, rate: 420/s
  260. [00:00:49] Current: 22475, peak: 22475, connected: 396, disconnected: 0, rate: 396/s
  261. [00:00:50] Current: 22672, peak: 22672, connected: 197, disconnected: 0, rate: 197/s
  262. [00:00:51] Current: 23133, peak: 23133, connected: 461, disconnected: 0, rate: 461/s
  263. [00:00:52] Current: 23637, peak: 23637, connected: 504, disconnected: 0, rate: 504/s
  264. [00:00:53] Current: 24151, peak: 24151, connected: 514, disconnected: 0, rate: 514/s
  265. [00:00:54] Current: 24590, peak: 24590, connected: 439, disconnected: 0, rate: 439/s
  266. [00:00:55] Current: 25058, peak: 25058, connected: 468, disconnected: 0, rate: 468/s
  267. [00:00:56] Current: 25554, peak: 25554, connected: 496, disconnected: 0, rate: 496/s
  268. [00:00:57] Current: 26028, peak: 26028, connected: 474, disconnected: 0, rate: 474/s
  269. [00:00:58] Current: 26521, peak: 26521, connected: 493, disconnected: 0, rate: 493/s
  270. [00:00:59] Current: 26995, peak: 26995, connected: 474, disconnected: 0, rate: 474/s
  271. [00:01:00] Current: 27482, peak: 27482, connected: 487, disconnected: 0, rate: 487/s
  272. [00:01:01] Current: 27977, peak: 27977, connected: 495, disconnected: 0, rate: 495/s
  273. [00:01:02] Current: 28409, peak: 28409, connected: 432, disconnected: 0, rate: 432/s
  274. [00:01:03] Current: 28894, peak: 28894, connected: 485, disconnected: 0, rate: 485/s
  275. [00:01:04] Current: 29023, peak: 29023, connected: 129, disconnected: 0, rate: 129/s
  276. [00:01:05] Current: 29450, peak: 29450, connected: 427, disconnected: 0, rate: 427/s
  277. [00:01:06] Current: 29865, peak: 29865, connected: 415, disconnected: 0, rate: 415/s
  278. [00:01:07] Current: 30352, peak: 30352, connected: 487, disconnected: 0, rate: 487/s
  279. [00:01:08] Current: 30830, peak: 30830, connected: 478, disconnected: 0, rate: 478/s
  280. [00:01:09] Current: 31238, peak: 31238, connected: 408, disconnected: 0, rate: 408/s
  281. [00:01:10] Current: 31573, peak: 31573, connected: 335, disconnected: 0, rate: 335/s
  282. [00:01:11] Current: 31905, peak: 31905, connected: 332, disconnected: 0, rate: 332/s
  283. [00:01:12] Current: 32242, peak: 32242, connected: 337, disconnected: 0, rate: 337/s
  284. [00:01:13] Current: 32601, peak: 32601, connected: 359, disconnected: 0, rate: 359/s
  285. [00:01:14] Current: 33249, peak: 33249, connected: 648, disconnected: 0, rate: 648/s
  286. [00:01:15] Current: 34041, peak: 34041, connected: 792, disconnected: 0, rate: 792/s
  287. [00:01:16] Current: 34230, peak: 34230, connected: 189, disconnected: 0, rate: 189/s
  288. [00:01:17] Current: 34775, peak: 34775, connected: 545, disconnected: 0, rate: 545/s
  289. [00:01:18] Current: 35345, peak: 35345, connected: 570, disconnected: 0, rate: 570/s
  290. [00:01:19] Current: 35851, peak: 35851, connected: 506, disconnected: 0, rate: 506/s
  291. [00:01:20] Current: 36443, peak: 36443, connected: 592, disconnected: 0, rate: 592/s
  292. [00:01:21] Current: 37347, peak: 37347, connected: 904, disconnected: 0, rate: 904/s
  293. [00:01:22] Current: 38211, peak: 38211, connected: 864, disconnected: 0, rate: 864/s
  294. [00:01:23] Current: 39190, peak: 39190, connected: 979, disconnected: 0, rate: 979/s
  295. [00:01:24] Current: 40080, peak: 40080, connected: 890, disconnected: 0, rate: 890/s
  296. [00:01:26] Current: 40223, peak: 40223, connected: 143, disconnected: 0, rate: 143/s
  297. [00:01:27] Current: 40958, peak: 40958, connected: 735, disconnected: 0, rate: 735/s
  298. [00:01:28] Current: 41839, peak: 41839, connected: 881, disconnected: 0, rate: 881/s
  299. [00:01:29] Current: 42700, peak: 42700, connected: 861, disconnected: 0, rate: 861/s
  300. [00:01:30] Current: 43561, peak: 43561, connected: 861, disconnected: 0, rate: 861/s
  301. [00:01:31] Current: 44429, peak: 44429, connected: 868, disconnected: 0, rate: 868/s
  302. [00:01:32] Current: 45412, peak: 45412, connected: 983, disconnected: 0, rate: 983/s
  303. [00:01:34] Current: 45991, peak: 45991, connected: 579, disconnected: 0, rate: 579/s
  304. [00:01:35] Current: 46623, peak: 46623, connected: 632, disconnected: 0, rate: 632/s
  305. [00:01:36] Current: 47513, peak: 47513, connected: 890, disconnected: 0, rate: 890/s
  306. [00:01:37] Current: 48255, peak: 48255, connected: 742, disconnected: 0, rate: 742/s
  307. [00:01:38] Current: 49023, peak: 49023, connected: 768, disconnected: 0, rate: 768/s
  308. [00:01:39] Current: 49797, peak: 49797, connected: 774, disconnected: 0, rate: 774/s
  309. [00:01:40] Current: 50407, peak: 50407, connected: 610, disconnected: 0, rate: 610/s
  310. [00:01:41] Current: 51349, peak: 51349, connected: 942, disconnected: 0, rate: 942/s
  311. [00:01:42] Current: 51984, peak: 51984, connected: 635, disconnected: 0, rate: 635/s
  312. [00:01:43] Current: 52413, peak: 52413, connected: 429, disconnected: 0, rate: 429/s
  313. [00:01:44] Current: 53319, peak: 53319, connected: 906, disconnected: 0, rate: 906/s
  314. [00:01:45] Current: 53982, peak: 53982, connected: 663, disconnected: 0, rate: 663/s
  315. [00:01:46] Current: 54787, peak: 54787, connected: 805, disconnected: 0, rate: 805/s
  316. [00:01:47] Current: 55591, peak: 55591, connected: 804, disconnected: 0, rate: 804/s
  317. [00:01:48] Current: 56292, peak: 56292, connected: 701, disconnected: 0, rate: 701/s
  318. [00:01:50] Current: 56980, peak: 56980, connected: 688, disconnected: 0, rate: 688/s
  319. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  320.       Heartbeat took longer than "00:00:01" at "05/30/2019 10:25:14 +00:00".
  321. [00:01:51] Current: 57017, peak: 57017, connected: 37, disconnected: 0, rate: 37/s
  322. [00:01:52] Current: 57161, peak: 57161, connected: 144, disconnected: 0, rate: 144/s
  323. [00:01:53] Current: 57485, peak: 57485, connected: 324, disconnected: 0, rate: 324/s
  324. [00:01:54] Current: 57936, peak: 57936, connected: 451, disconnected: 0, rate: 451/s
  325. [00:01:56] Current: 58064, peak: 58064, connected: 128, disconnected: 0, rate: 128/s
  326. [00:01:57] Current: 58448, peak: 58448, connected: 384, disconnected: 0, rate: 384/s
  327. [00:01:58] Current: 58983, peak: 58983, connected: 535, disconnected: 0, rate: 535/s
  328. [00:01:59] Current: 59480, peak: 59480, connected: 497, disconnected: 0, rate: 497/s
  329. [00:02:03] Current: 59729, peak: 59729, connected: 249, disconnected: 0, rate: 249/s
  330. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  331.       Heartbeat took longer than "00:00:01" at "05/30/2019 10:25:27 +00:00".
  332. [00:02:04] Current: 59765, peak: 59765, connected: 36, disconnected: 0, rate: 36/s
  333. [00:02:05] Current: 59838, peak: 59838, connected: 73, disconnected: 0, rate: 73/s
  334. [00:02:06] Current: 60224, peak: 60224, connected: 386, disconnected: 0, rate: 386/s
  335. [00:02:07] Current: 60620, peak: 60620, connected: 396, disconnected: 0, rate: 396/s
  336. [00:02:08] Current: 61205, peak: 61205, connected: 585, disconnected: 0, rate: 585/s
  337. [00:02:09] Current: 61478, peak: 61478, connected: 273, disconnected: 0, rate: 273/s
  338. [00:02:11] Current: 62001, peak: 62001, connected: 523, disconnected: 0, rate: 523/s
  339. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  340.       Heartbeat took longer than "00:00:01" at "05/30/2019 10:25:35 +00:00".
  341. [00:02:12] Current: 62157, peak: 62157, connected: 156, disconnected: 0, rate: 156/s
  342. [00:02:13] Current: 62857, peak: 62857, connected: 700, disconnected: 0, rate: 700/s
  343. [00:02:14] Current: 63315, peak: 63315, connected: 458, disconnected: 0, rate: 458/s
  344. [00:02:15] Current: 63727, peak: 63727, connected: 412, disconnected: 0, rate: 412/s
  345. [00:02:16] Current: 64465, peak: 64465, connected: 738, disconnected: 0, rate: 738/s
  346. [00:02:17] Current: 65183, peak: 65183, connected: 718, disconnected: 0, rate: 718/s
  347. [00:02:19] Current: 65573, peak: 65573, connected: 390, disconnected: 0, rate: 390/s
  348. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  349.       Heartbeat took longer than "00:00:01" at "05/30/2019 10:25:43 +00:00".
  350. [00:02:20] Current: 65624, peak: 65624, connected: 51, disconnected: 0, rate: 51/s
  351. [00:02:21] Current: 65695, peak: 65695, connected: 71, disconnected: 0, rate: 71/s
  352. [00:02:22] Current: 65985, peak: 65985, connected: 290, disconnected: 0, rate: 290/s
  353. [00:02:23] Current: 66520, peak: 66520, connected: 535, disconnected: 0, rate: 535/s
  354. [00:02:24] Current: 66710, peak: 66710, connected: 190, disconnected: 0, rate: 190/s
  355. [00:02:25] Current: 67107, peak: 67107, connected: 397, disconnected: 0, rate: 397/s
  356. [00:02:27] Current: 67456, peak: 67456, connected: 349, disconnected: 0, rate: 349/s
  357. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  358.       Heartbeat took longer than "00:00:01" at "05/30/2019 10:25:51 +00:00".
  359. [00:02:28] Current: 67480, peak: 67480, connected: 24, disconnected: 0, rate: 24/s
  360. [00:02:29] Current: 67635, peak: 67635, connected: 155, disconnected: 0, rate: 155/s
  361. [00:02:30] Current: 67850, peak: 67850, connected: 215, disconnected: 0, rate: 215/s
  362. [00:02:31] Current: 68307, peak: 68307, connected: 457, disconnected: 0, rate: 457/s
  363. [00:02:32] Current: 69012, peak: 69012, connected: 705, disconnected: 0, rate: 705/s
  364. [00:02:33] Current: 69704, peak: 69704, connected: 692, disconnected: 0, rate: 692/s
  365. [00:02:34] Current: 70520, peak: 70520, connected: 816, disconnected: 0, rate: 816/s
  366. [00:02:36] Current: 70819, peak: 70819, connected: 299, disconnected: 0, rate: 299/s
  367. [00:02:37] Current: 70821, peak: 70821, connected: 2, disconnected: 0, rate: 2/s
  368. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  369.       Heartbeat took longer than "00:00:01" at "05/30/2019 10:26:01 +00:00".
  370. [00:02:38] Current: 70821, peak: 70821, connected: 0, disconnected: 0, rate: 0/s
  371. [00:02:39] Current: 70845, peak: 70845, connected: 24, disconnected: 0, rate: 24/s
  372. [00:02:41] Current: 70845, peak: 70845, connected: 0, disconnected: 0, rate: 0/s
  373. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  374.       Heartbeat took longer than "00:00:01" at "05/30/2019 10:26:05 +00:00".
  375. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  376.       Heartbeat took longer than "00:00:01" at "05/30/2019 10:26:08 +00:00".
  377. [00:02:46] Current: 70848, peak: 70848, connected: 3, disconnected: 0, rate: 3/s
  378. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  379.       Heartbeat took longer than "00:00:01" at "05/30/2019 10:26:10 +00:00".
  380. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  381.       Heartbeat took longer than "00:00:01" at "05/30/2019 10:26:11 +00:00".
  382. [00:02:47] Current: 70965, peak: 70965, connected: 117, disconnected: 0, rate: 117/s
  383. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  384.       Heartbeat took longer than "00:00:01" at "05/30/2019 10:26:12 +00:00".
  385. [00:02:48] Current: 70965, peak: 70965, connected: 0, disconnected: 0, rate: 0/s
  386. [00:02:49] Current: 70982, peak: 70982, connected: 17, disconnected: 0, rate: 17/s
  387. [00:02:51] Current: 70994, peak: 70994, connected: 12, disconnected: 0, rate: 12/s
  388. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  389.       Heartbeat took longer than "00:00:01" at "05/30/2019 10:26:16 +00:00".
  390. [00:02:52] Current: 70994, peak: 70994, connected: 0, disconnected: 0, rate: 0/s
  391. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  392.       Heartbeat took longer than "00:00:01" at "05/30/2019 10:26:17 +00:00".
  393. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  394.       Heartbeat took longer than "00:00:01" at "05/30/2019 10:26:17 +00:00".
  395. [00:02:53] Current: 71000, peak: 71000, connected: 6, disconnected: 0, rate: 6/s
  396. [00:02:54] Current: 71001, peak: 71001, connected: 1, disconnected: 0, rate: 1/s
  397. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  398.       Heartbeat took longer than "00:00:01" at "05/30/2019 10:26:20 +00:00".
  399. [00:02:56] Current: 71025, peak: 71025, connected: 24, disconnected: 0, rate: 24/s
  400. [00:02:57] Current: 71134, peak: 71134, connected: 109, disconnected: 0, rate: 109/s
  401. [00:02:58] Current: 71134, peak: 71134, connected: 0, disconnected: 0, rate: 0/s
  402. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  403.       Heartbeat took longer than "00:00:01" at "05/30/2019 10:26:22 +00:00".
  404. [00:02:59] Current: 71231, peak: 71231, connected: 97, disconnected: 0, rate: 97/s
  405. [00:03:00] Current: 71415, peak: 71415, connected: 184, disconnected: 0, rate: 184/s
  406. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  407.       Heartbeat took longer than "00:00:01" at "05/30/2019 10:26:25 +00:00".
  408. [00:03:01] Current: 71757, peak: 71757, connected: 342, disconnected: 0, rate: 342/s
  409. [00:03:03] Current: 71882, peak: 71882, connected: 125, disconnected: 0, rate: 125/s
  410. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  411.       Heartbeat took longer than "00:00:01" at "05/30/2019 10:26:27 +00:00".
  412. [00:03:04] Current: 71991, peak: 71991, connected: 109, disconnected: 0, rate: 109/s
  413. [00:03:05] Current: 72676, peak: 72676, connected: 685, disconnected: 0, rate: 685/s
  414. [00:03:06] Current: 73431, peak: 73431, connected: 755, disconnected: 0, rate: 755/s
  415. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  416.       Heartbeat took longer than "00:00:01" at "05/30/2019 10:26:30 +00:00".
  417. [00:03:07] Current: 74126, peak: 74126, connected: 695, disconnected: 0, rate: 695/s
  418. [00:03:08] Current: 74150, peak: 74150, connected: 24, disconnected: 0, rate: 24/s
  419. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  420.       Heartbeat took longer than "00:00:01" at "05/30/2019 10:26:32 +00:00".
  421. [00:03:09] Current: 74280, peak: 74280, connected: 130, disconnected: 0, rate: 130/s
  422. [00:03:11] Current: 74295, peak: 74295, connected: 15, disconnected: 0, rate: 15/s
  423. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  424.       Heartbeat took longer than "00:00:01" at "05/30/2019 10:26:35 +00:00".
  425. [00:03:12] Current: 74341, peak: 74341, connected: 46, disconnected: 0, rate: 46/s
  426. [00:03:13] Current: 74552, peak: 74552, connected: 211, disconnected: 0, rate: 211/s
  427. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  428.       Heartbeat took longer than "00:00:01" at "05/30/2019 10:26:37 +00:00".
  429. [00:03:14] Current: 75281, peak: 75281, connected: 729, disconnected: 0, rate: 729/s
  430. [00:03:15] Current: 75338, peak: 75338, connected: 57, disconnected: 0, rate: 57/s
  431. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  432.       Heartbeat took longer than "00:00:01" at "05/30/2019 10:26:39 +00:00".
  433. [00:03:16] Current: 75397, peak: 75397, connected: 59, disconnected: 0, rate: 59/s
  434. [00:03:17] Current: 75449, peak: 75449, connected: 52, disconnected: 0, rate: 52/s
  435. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  436.       Heartbeat took longer than "00:00:01" at "05/30/2019 10:26:42 +00:00".
  437. [00:03:18] Current: 75509, peak: 75509, connected: 60, disconnected: 0, rate: 60/s
  438. [00:03:20] Current: 75523, peak: 75523, connected: 14, disconnected: 0, rate: 14/s
  439. [00:03:21] Current: 75610, peak: 75610, connected: 87, disconnected: 0, rate: 87/s
  440. [00:03:22] Current: 76101, peak: 76101, connected: 491, disconnected: 0, rate: 491/s
  441. [00:03:24] Current: 76615, peak: 76615, connected: 514, disconnected: 0, rate: 514/s
  442. [00:03:25] Current: 76669, peak: 76669, connected: 54, disconnected: 0, rate: 54/s
  443. [00:03:26] Current: 76705, peak: 76705, connected: 36, disconnected: 0, rate: 36/s
  444. [00:03:27] Current: 76705, peak: 76705, connected: 0, disconnected: 0, rate: 0/s
  445. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  446.       Heartbeat took longer than "00:00:01" at "05/30/2019 10:26:51 +00:00".
  447. [00:03:28] Current: 76740, peak: 76740, connected: 35, disconnected: 0, rate: 35/s
  448. [00:03:29] Current: 77167, peak: 77167, connected: 427, disconnected: 0, rate: 427/s
  449. [00:03:30] Current: 77812, peak: 77812, connected: 645, disconnected: 0, rate: 645/s
  450. [00:03:31] Current: 77962, peak: 77962, connected: 150, disconnected: 0, rate: 150/s
  451. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  452.       Heartbeat took longer than "00:00:01" at "05/30/2019 10:26:55 +00:00".
  453. [00:03:32] Current: 78018, peak: 78018, connected: 56, disconnected: 0, rate: 56/s
  454. [00:03:33] Current: 78034, peak: 78034, connected: 16, disconnected: 0, rate: 16/s
  455. [00:03:34] Current: 78134, peak: 78134, connected: 100, disconnected: 0, rate: 100/s
  456. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  457.       Heartbeat took longer than "00:00:01" at "05/30/2019 10:26:59 +00:00".
  458. [00:03:35] Current: 78137, peak: 78137, connected: 3, disconnected: 0, rate: 3/s
  459. [00:03:37] Current: 78137, peak: 78137, connected: 0, disconnected: 0, rate: 0/s
  460. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  461.       Heartbeat took longer than "00:00:01" at "05/30/2019 10:27:01 +00:00".
  462. [00:03:38] Current: 78142, peak: 78142, connected: 5, disconnected: 0, rate: 5/s
  463. [00:03:39] Current: 78142, peak: 78142, connected: 0, disconnected: 0, rate: 0/s
  464. [00:03:41] Current: 78150, peak: 78150, connected: 8, disconnected: 0, rate: 8/s
  465. [00:03:42] Current: 78154, peak: 78154, connected: 4, disconnected: 0, rate: 4/s
  466. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  467.       Heartbeat took longer than "00:00:01" at "05/30/2019 10:27:06 +00:00".
  468. [00:03:45] Current: 78265, peak: 78265, connected: 111, disconnected: 0, rate: 111/s
  469. [00:03:46] Current: 78303, peak: 78303, connected: 38, disconnected: 0, rate: 38/s
  470. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  471.       Heartbeat took longer than "00:00:01" at "05/30/2019 10:27:11 +00:00".
  472. [00:03:47] Current: 78315, peak: 78315, connected: 12, disconnected: 0, rate: 12/s
  473. [00:03:49] Current: 78315, peak: 78315, connected: 0, disconnected: 0, rate: 0/s
  474. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  475.       Heartbeat took longer than "00:00:01" at "05/30/2019 10:27:13 +00:00".
  476. [00:03:50] Current: 78320, peak: 78320, connected: 5, disconnected: 0, rate: 5/s
  477. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  478.       Heartbeat took longer than "00:00:01" at "05/30/2019 10:27:14 +00:00".
  479. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  480.       Heartbeat took longer than "00:00:01" at "05/30/2019 10:27:14 +00:00".
  481. [00:03:52] Current: 78323, peak: 78323, connected: 3, disconnected: 0, rate: 3/s
  482. [00:03:53] Current: 78326, peak: 78326, connected: 3, disconnected: 0, rate: 3/s
  483. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  484.       Heartbeat took longer than "00:00:01" at "05/30/2019 10:27:18 +00:00".
  485. [00:03:54] Current: 78350, peak: 78350, connected: 24, disconnected: 0, rate: 24/s
  486. [00:03:55] Current: 78359, peak: 78359, connected: 9, disconnected: 0, rate: 9/s
  487. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  488.       Heartbeat took longer than "00:00:01" at "05/30/2019 10:27:20 +00:00".
  489. [00:03:56] Current: 78388, peak: 78388, connected: 29, disconnected: 0, rate: 29/s
  490. [00:03:57] Current: 78458, peak: 78458, connected: 70, disconnected: 0, rate: 70/s
  491. [00:03:58] Current: 78458, peak: 78458, connected: 0, disconnected: 0, rate: 0/s
  492. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  493.       Heartbeat took longer than "00:00:01" at "05/30/2019 10:27:23 +00:00".
  494. [00:04:00] Current: 78482, peak: 78482, connected: 24, disconnected: 0, rate: 24/s
  495. [00:04:01] Current: 78482, peak: 78482, connected: 0, disconnected: 0, rate: 0/s
  496. [00:04:02] Current: 78495, peak: 78495, connected: 13, disconnected: 0, rate: 13/s
  497. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  498.       Heartbeat took longer than "00:00:01" at "05/30/2019 10:27:26 +00:00".
  499. [00:04:03] Current: 78501, peak: 78501, connected: 6, disconnected: 0, rate: 6/s
  500. [00:04:04] Current: 78504, peak: 78504, connected: 3, disconnected: 0, rate: 3/s
  501. [00:04:05] Current: 78504, peak: 78504, connected: 0, disconnected: 0, rate: 0/s
  502. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  503.       Heartbeat took longer than "00:00:01" at "05/30/2019 10:27:30 +00:00".
  504. [00:04:06] Current: 78544, peak: 78544, connected: 40, disconnected: 0, rate: 40/s
  505. [00:04:07] Current: 78544, peak: 78544, connected: 0, disconnected: 0, rate: 0/s
  506. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  507.       Heartbeat took longer than "00:00:01" at "05/30/2019 10:27:32 +00:00".
  508. [00:04:09] Current: 78611, peak: 78611, connected: 67, disconnected: 0, rate: 67/s
  509. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  510.       Heartbeat took longer than "00:00:01" at "05/30/2019 10:27:33 +00:00".
  511. [00:04:11] Current: 78670, peak: 78670, connected: 59, disconnected: 0, rate: 59/s
  512. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  513.       Heartbeat took longer than "00:00:01" at "05/30/2019 10:27:35 +00:00".
  514. [00:04:12] Current: 78678, peak: 78678, connected: 8, disconnected: 0, rate: 8/s
  515. [00:04:13] Current: 78678, peak: 78678, connected: 0, disconnected: 0, rate: 0/s
  516. [00:04:14] Current: 78701, peak: 78701, connected: 23, disconnected: 0, rate: 23/s
  517. [00:04:15] Current: 78701, peak: 78701, connected: 0, disconnected: 0, rate: 0/s
  518. [00:04:16] Current: 78779, peak: 78779, connected: 78, disconnected: 0, rate: 78/s
  519. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  520.       Heartbeat took longer than "00:00:01" at "05/30/2019 10:27:41 +00:00".
  521. [00:04:17] Current: 78785, peak: 78785, connected: 6, disconnected: 0, rate: 6/s
  522. [00:04:19] Current: 78841, peak: 78841, connected: 56, disconnected: 0, rate: 56/s
  523. [00:04:20] Current: 78850, peak: 78850, connected: 9, disconnected: 0, rate: 9/s
  524. [00:04:21] Current: 78855, peak: 78855, connected: 5, disconnected: 0, rate: 5/s
  525. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  526.       Heartbeat took longer than "00:00:01" at "05/30/2019 10:27:45 +00:00".
  527. [00:04:23] Current: 78858, peak: 78858, connected: 3, disconnected: 0, rate: 3/s
  528. [00:04:24] Current: 78881, peak: 78881, connected: 23, disconnected: 0, rate: 23/s
  529. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  530.       Heartbeat took longer than "00:00:01" at "05/30/2019 10:27:48 +00:00".
  531. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  532.       Heartbeat took longer than "00:00:01" at "05/30/2019 10:27:48 +00:00".
  533. [00:04:25] Current: 79026, peak: 79026, connected: 145, disconnected: 0, rate: 145/s
  534. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  535.       Heartbeat took longer than "00:00:01" at "05/30/2019 10:27:50 +00:00".
  536. [00:04:27] Current: 79207, peak: 79207, connected: 181, disconnected: 0, rate: 181/s
  537. [00:04:28] Current: 79230, peak: 79230, connected: 23, disconnected: 0, rate: 23/s
  538. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  539.       Heartbeat took longer than "00:00:01" at "05/30/2019 10:27:52 +00:00".
  540. [00:04:29] Current: 79233, peak: 79233, connected: 3, disconnected: 0, rate: 3/s
  541. [00:04:31] Current: 79335, peak: 79335, connected: 102, disconnected: 0, rate: 102/s
  542. [00:04:32] Current: 79346, peak: 79346, connected: 11, disconnected: 0, rate: 11/s
  543. [00:04:33] Current: 79349, peak: 79349, connected: 3, disconnected: 0, rate: 3/s
  544. [00:04:34] Current: 79390, peak: 79390, connected: 41, disconnected: 0, rate: 41/s
  545. [00:04:35] Current: 79401, peak: 79401, connected: 11, disconnected: 0, rate: 11/s
  546. [00:04:36] Current: 79411, peak: 79411, connected: 10, disconnected: 0, rate: 10/s
  547. [00:04:38] Current: 79459, peak: 79459, connected: 48, disconnected: 0, rate: 48/s
  548. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  549.       Heartbeat took longer than "00:00:01" at "05/30/2019 10:28:02 +00:00".
  550. [00:04:39] Current: 79526, peak: 79526, connected: 67, disconnected: 0, rate: 67/s
  551. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  552.       Heartbeat took longer than "00:00:01" at "05/30/2019 10:28:03 +00:00".
  553. [00:04:41] Current: 79575, peak: 79575, connected: 49, disconnected: 0, rate: 49/s
  554. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  555.       Heartbeat took longer than "00:00:01" at "05/30/2019 10:28:05 +00:00".
  556. [00:04:43] Current: 79591, peak: 79591, connected: 16, disconnected: 0, rate: 16/s
  557. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  558.       Heartbeat took longer than "00:00:01" at "05/30/2019 10:28:07 +00:00".
  559. [00:04:44] Current: 79687, peak: 79687, connected: 96, disconnected: 0, rate: 96/s
  560. [00:04:45] Current: 79723, peak: 79723, connected: 36, disconnected: 0, rate: 36/s
  561. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  562.       Heartbeat took longer than "00:00:01" at "05/30/2019 10:28:09 +00:00".
  563. [00:04:46] Current: 79739, peak: 79739, connected: 16, disconnected: 0, rate: 16/s
  564. [00:04:47] Current: 79764, peak: 79764, connected: 25, disconnected: 0, rate: 25/s
  565. [00:04:49] Current: 79867, peak: 79867, connected: 103, disconnected: 0, rate: 103/s
  566. [00:04:50] Current: 79944, peak: 79944, connected: 77, disconnected: 0, rate: 77/s
  567. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  568.       Heartbeat took longer than "00:00:01" at "05/30/2019 10:28:14 +00:00".
  569. [00:04:51] Current: 80002, peak: 80002, connected: 58, disconnected: 0, rate: 58/s
  570. [00:04:52] Current: 80124, peak: 80124, connected: 122, disconnected: 0, rate: 122/s
  571. [00:04:53] Current: 80224, peak: 80224, connected: 100, disconnected: 0, rate: 100/s
  572. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  573.       Heartbeat took longer than "00:00:01" at "05/30/2019 10:28:17 +00:00".
  574. [00:04:54] Current: 80748, peak: 80748, connected: 524, disconnected: 0, rate: 524/s
  575. [00:04:59] Current: 80809, peak: 80809, connected: 61, disconnected: 0, rate: 61/s
  576. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  577.       Heartbeat took longer than "00:00:01" at "05/30/2019 10:28:23 +00:00".
  578. [00:05:00] Current: 80849, peak: 80849, connected: 40, disconnected: 0, rate: 40/s
  579. [00:05:01] Current: 80849, peak: 80849, connected: 0, disconnected: 0, rate: 0/s
  580. [00:05:02] Current: 80849, peak: 80849, connected: 0, disconnected: 0, rate: 0/s
  581. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  582.       Heartbeat took longer than "00:00:01" at "05/30/2019 10:28:27 +00:00".
  583. [00:05:03] Current: 80849, peak: 80849, connected: 0, disconnected: 0, rate: 0/s
  584. [00:05:04] Current: 80912, peak: 80912, connected: 63, disconnected: 0, rate: 63/s
  585. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  586.       Heartbeat took longer than "00:00:01" at "05/30/2019 10:28:28 +00:00".
  587. [00:05:05] Current: 80977, peak: 80977, connected: 65, disconnected: 0, rate: 65/s
  588. [00:05:07] Current: 80977, peak: 80977, connected: 0, disconnected: 0, rate: 0/s
  589. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  590.       Heartbeat took longer than "00:00:01" at "05/30/2019 10:28:31 +00:00".
  591. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  592.       Heartbeat took longer than "00:00:01" at "05/30/2019 10:28:31 +00:00".
  593. [00:05:08] Current: 80977, peak: 80977, connected: 0, disconnected: 0, rate: 0/s
  594. [00:05:09] Current: 81051, peak: 81051, connected: 74, disconnected: 0, rate: 74/s
  595. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  596.       Heartbeat took longer than "00:00:01" at "05/30/2019 10:28:33 +00:00".
  597. [00:05:10] Current: 81079, peak: 81079, connected: 28, disconnected: 0, rate: 28/s
  598. [00:05:11] Current: 81236, peak: 81236, connected: 157, disconnected: 0, rate: 157/s
  599. [00:05:12] Current: 82013, peak: 82013, connected: 777, disconnected: 0, rate: 777/s
  600. [00:05:13] Current: 82789, peak: 82789, connected: 776, disconnected: 0, rate: 776/s
  601. [00:05:14] Current: 83424, peak: 83424, connected: 635, disconnected: 0, rate: 635/s
  602. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  603.       Heartbeat took longer than "00:00:01" at "05/30/2019 10:28:38 +00:00".
  604. [00:05:16] Current: 83681, peak: 83681, connected: 257, disconnected: 0, rate: 257/s
  605. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  606.       Heartbeat took longer than "00:00:01" at "05/30/2019 10:28:40 +00:00".
  607. [00:05:17] Current: 83725, peak: 83725, connected: 44, disconnected: 0, rate: 44/s
  608. [00:05:18] Current: 83814, peak: 83814, connected: 89, disconnected: 0, rate: 89/s
  609. [00:05:19] Current: 83856, peak: 83856, connected: 42, disconnected: 0, rate: 42/s
  610. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  611.       Heartbeat took longer than "00:00:01" at "05/30/2019 10:28:43 +00:00".
  612. [00:05:20] Current: 83856, peak: 83856, connected: 0, disconnected: 0, rate: 0/s
  613. [00:05:22] Current: 83863, peak: 83863, connected: 7, disconnected: 0, rate: 7/s
  614. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  615.       Heartbeat took longer than "00:00:01" at "05/30/2019 10:28:46 +00:00".
  616. [00:05:23] Current: 83864, peak: 83864, connected: 1, disconnected: 0, rate: 1/s
  617. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  618.       Heartbeat took longer than "00:00:01" at "05/30/2019 10:28:47 +00:00".
  619. [00:05:24] Current: 83913, peak: 83913, connected: 49, disconnected: 0, rate: 49/s
  620. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  621.       Heartbeat took longer than "00:00:01" at "05/30/2019 10:28:49 +00:00".
  622. [00:05:25] Current: 83917, peak: 83917, connected: 4, disconnected: 0, rate: 4/s
  623. [00:05:26] Current: 84178, peak: 84178, connected: 261, disconnected: 0, rate: 261/s
  624. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  625.       Heartbeat took longer than "00:00:01" at "05/30/2019 10:28:51 +00:00".
  626. [00:05:27] Current: 84862, peak: 84862, connected: 684, disconnected: 0, rate: 684/s
  627. [00:05:28] Current: 85513, peak: 85513, connected: 651, disconnected: 0, rate: 651/s
  628. [00:05:31] Current: 86026, peak: 86026, connected: 513, disconnected: 0, rate: 513/s
  629. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  630.       Heartbeat took longer than "00:00:01" at "05/30/2019 10:28:54 +00:00".
  631. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  632.       Heartbeat took longer than "00:00:01" at "05/30/2019 10:28:55 +00:00".
  633. [00:05:32] Current: 86113, peak: 86113, connected: 87, disconnected: 0, rate: 87/s
  634. [00:05:33] Current: 86197, peak: 86197, connected: 84, disconnected: 0, rate: 84/s
  635. [00:05:34] Current: 86206, peak: 86206, connected: 9, disconnected: 0, rate: 9/s
  636. [00:05:35] Current: 86225, peak: 86225, connected: 19, disconnected: 0, rate: 19/s
  637. [00:05:36] Current: 86296, peak: 86296, connected: 71, disconnected: 0, rate: 71/s
  638. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  639.       Heartbeat took longer than "00:00:01" at "05/30/2019 10:29:02 +00:00".
  640. [00:05:38] Current: 86355, peak: 86355, connected: 59, disconnected: 0, rate: 59/s
  641. [00:05:39] Current: 86361, peak: 86361, connected: 6, disconnected: 0, rate: 6/s
  642. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  643.       Heartbeat took longer than "00:00:01" at "05/30/2019 10:29:03 +00:00".
  644. [00:05:40] Current: 86391, peak: 86391, connected: 30, disconnected: 0, rate: 30/s
  645. [00:05:41] Current: 86431, peak: 86431, connected: 40, disconnected: 0, rate: 40/s
  646. [00:05:42] Current: 87006, peak: 87006, connected: 575, disconnected: 0, rate: 575/s
  647. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  648.       Heartbeat took longer than "00:00:01" at "05/30/2019 10:29:07 +00:00".
  649. [00:05:43] Current: 87501, peak: 87501, connected: 495, disconnected: 0, rate: 495/s
  650. [00:05:44] Current: 88031, peak: 88031, connected: 530, disconnected: 0, rate: 530/s
  651. [00:05:45] Current: 88747, peak: 88747, connected: 716, disconnected: 0, rate: 716/s
  652. [00:05:48] Current: 89374, peak: 89374, connected: 627, disconnected: 0, rate: 627/s
  653. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  654.       Heartbeat took longer than "00:00:01" at "05/30/2019 10:29:11 +00:00".
  655. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  656.       Heartbeat took longer than "00:00:01" at "05/30/2019 10:29:12 +00:00".
  657. [00:05:49] Current: 89428, peak: 89428, connected: 54, disconnected: 0, rate: 54/s
  658. [00:05:50] Current: 89489, peak: 89489, connected: 61, disconnected: 0, rate: 61/s
  659. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  660.       Heartbeat took longer than "00:00:01" at "05/30/2019 10:29:14 +00:00".
  661. [00:05:51] Current: 89551, peak: 89551, connected: 62, disconnected: 0, rate: 62/s
  662. [00:05:52] Current: 89554, peak: 89554, connected: 3, disconnected: 0, rate: 3/s
  663. [00:05:53] Current: 89565, peak: 89565, connected: 11, disconnected: 0, rate: 11/s
  664. [00:05:55] Current: 89643, peak: 89643, connected: 78, disconnected: 0, rate: 78/s
  665. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  666.       Heartbeat took longer than "00:00:01" at "05/30/2019 10:29:19 +00:00".
  667. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  668.       Heartbeat took longer than "00:00:01" at "05/30/2019 10:29:19 +00:00".
  669. [00:05:56] Current: 89734, peak: 89734, connected: 91, disconnected: 0, rate: 91/s
  670. [00:05:57] Current: 90378, peak: 90378, connected: 644, disconnected: 0, rate: 644/s
  671. [00:05:58] Current: 91125, peak: 91125, connected: 747, disconnected: 0, rate: 747/s
  672. [00:05:59] Current: 91761, peak: 91761, connected: 636, disconnected: 0, rate: 636/s
  673. [00:06:00] Current: 92436, peak: 92436, connected: 675, disconnected: 0, rate: 675/s
  674. [00:06:01] Current: 93135, peak: 93135, connected: 699, disconnected: 0, rate: 699/s
  675. [00:06:03] Current: 93461, peak: 93461, connected: 326, disconnected: 0, rate: 326/s
  676. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  677.       Heartbeat took longer than "00:00:01" at "05/30/2019 10:29:27 +00:00".
  678. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  679.       Heartbeat took longer than "00:00:01" at "05/30/2019 10:29:27 +00:00".
  680. [00:06:04] Current: 93523, peak: 93523, connected: 62, disconnected: 0, rate: 62/s
  681. [00:06:05] Current: 93626, peak: 93626, connected: 103, disconnected: 0, rate: 103/s
  682. [00:06:06] Current: 93626, peak: 93626, connected: 0, disconnected: 0, rate: 0/s
  683. [00:06:07] Current: 93627, peak: 93627, connected: 1, disconnected: 0, rate: 1/s
  684. [00:06:08] Current: 93649, peak: 93649, connected: 22, disconnected: 0, rate: 22/s
  685. [00:06:09] Current: 93652, peak: 93652, connected: 3, disconnected: 0, rate: 3/s
  686. [00:06:12] Current: 93694, peak: 93694, connected: 42, disconnected: 0, rate: 42/s
  687. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  688.       Heartbeat took longer than "00:00:01" at "05/30/2019 10:29:36 +00:00".
  689. [00:06:13] Current: 93806, peak: 93806, connected: 112, disconnected: 0, rate: 112/s
  690. [00:06:14] Current: 93874, peak: 93874, connected: 68, disconnected: 0, rate: 68/s
  691. [00:06:15] Current: 94396, peak: 94396, connected: 522, disconnected: 0, rate: 522/s
  692. [00:06:16] Current: 94981, peak: 94981, connected: 585, disconnected: 0, rate: 585/s
  693. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  694.       Heartbeat took longer than "00:00:01" at "05/30/2019 10:29:41 +00:00".
  695. [00:06:17] Current: 95675, peak: 95675, connected: 694, disconnected: 0, rate: 694/s
  696. [00:06:18] Current: 96612, peak: 96612, connected: 937, disconnected: 0, rate: 937/s
  697. [00:06:20] Current: 97007, peak: 97007, connected: 395, disconnected: 0, rate: 395/s
  698. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  699.       Heartbeat took longer than "00:00:01" at "05/30/2019 10:29:44 +00:00".
  700. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  701.       Heartbeat took longer than "00:00:01" at "05/30/2019 10:29:44 +00:00".
  702. [00:06:22] Current: 97044, peak: 97044, connected: 37, disconnected: 0, rate: 37/s
  703. [00:06:23] Current: 97105, peak: 97105, connected: 61, disconnected: 0, rate: 61/s
  704. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  705.       Heartbeat took longer than "00:00:01" at "05/30/2019 10:29:47 +00:00".
  706. [00:06:25] Current: 97112, peak: 97112, connected: 7, disconnected: 0, rate: 7/s
  707. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  708.       Heartbeat took longer than "00:00:01" at "05/30/2019 10:29:49 +00:00".
  709. [00:06:26] Current: 97176, peak: 97176, connected: 64, disconnected: 0, rate: 64/s
  710. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  711.       Heartbeat took longer than "00:00:01" at "05/30/2019 10:29:50 +00:00".
  712. [00:06:27] Current: 97176, peak: 97176, connected: 0, disconnected: 0, rate: 0/s
  713. [00:06:28] Current: 97197, peak: 97197, connected: 21, disconnected: 0, rate: 21/s
  714. [00:06:29] Current: 97200, peak: 97200, connected: 3, disconnected: 0, rate: 3/s
  715. [00:06:31] Current: 97200, peak: 97200, connected: 0, disconnected: 0, rate: 0/s
  716. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  717.       Heartbeat took longer than "00:00:01" at "05/30/2019 10:29:55 +00:00".
  718. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  719.       Heartbeat took longer than "00:00:01" at "05/30/2019 10:29:55 +00:00".
  720. [00:06:33] Current: 97281, peak: 97281, connected: 81, disconnected: 0, rate: 81/s
  721. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  722.       Heartbeat took longer than "00:00:01" at "05/30/2019 10:29:57 +00:00".
  723. [00:06:34] Current: 97617, peak: 97617, connected: 336, disconnected: 0, rate: 336/s
  724. [00:06:35] Current: 98334, peak: 98334, connected: 717, disconnected: 0, rate: 717/s
  725. [00:06:36] Current: 98512, peak: 98512, connected: 178, disconnected: 0, rate: 178/s
  726. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  727.       Heartbeat took longer than "00:00:01" at "05/30/2019 10:30:00 +00:00".
  728. [00:06:37] Current: 98627, peak: 98627, connected: 115, disconnected: 0, rate: 115/s
  729. [00:06:38] Current: 98692, peak: 98692, connected: 65, disconnected: 0, rate: 65/s
  730. [00:06:39] Current: 98696, peak: 98696, connected: 4, disconnected: 0, rate: 4/s
  731. [00:06:41] Current: 98728, peak: 98728, connected: 32, disconnected: 0, rate: 32/s
  732. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  733.       Heartbeat took longer than "00:00:01" at "05/30/2019 10:30:05 +00:00".
  734. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  735.       Heartbeat took longer than "00:00:01" at "05/30/2019 10:30:05 +00:00".
  736. [00:06:42] Current: 98736, peak: 98736, connected: 8, disconnected: 0, rate: 8/s
  737. [00:06:43] Current: 98767, peak: 98767, connected: 31, disconnected: 0, rate: 31/s
  738. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  739.       Heartbeat took longer than "00:00:01" at "05/30/2019 10:30:07 +00:00".
  740. [00:06:44] Current: 98807, peak: 98807, connected: 40, disconnected: 0, rate: 40/s
  741. [00:06:46] Current: 98807, peak: 98807, connected: 0, disconnected: 0, rate: 0/s
  742. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  743.       Heartbeat took longer than "00:00:01" at "05/30/2019 10:30:10 +00:00".
  744. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  745.       Heartbeat took longer than "00:00:01" at "05/30/2019 10:30:10 +00:00".
  746. [00:06:47] Current: 98807, peak: 98807, connected: 0, disconnected: 0, rate: 0/s
  747. [00:06:48] Current: 98861, peak: 98861, connected: 54, disconnected: 0, rate: 54/s
  748. [00:06:49] Current: 98875, peak: 98875, connected: 14, disconnected: 0, rate: 14/s
  749. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  750.       Heartbeat took longer than "00:00:01" at "05/30/2019 10:30:14 +00:00".
  751. [00:06:50] Current: 98914, peak: 98914, connected: 39, disconnected: 0, rate: 39/s
  752. [00:06:51] Current: 99524, peak: 99524, connected: 610, disconnected: 0, rate: 610/s
  753. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  754.       Heartbeat took longer than "00:00:01" at "05/30/2019 10:30:16 +00:00".
  755. [00:06:52] Current: 100161, peak: 100161, connected: 637, disconnected: 0, rate: 637/s
  756. [00:06:54] Current: 100292, peak: 100292, connected: 131, disconnected: 0, rate: 131/s
  757. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  758.       Heartbeat took longer than "00:00:01" at "05/30/2019 10:30:18 +00:00".
  759. [00:06:55] Current: 100303, peak: 100303, connected: 11, disconnected: 0, rate: 11/s
  760. [00:06:57] Current: 100338, peak: 100338, connected: 35, disconnected: 0, rate: 35/s
  761. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  762.       Heartbeat took longer than "00:00:01" at "05/30/2019 10:30:21 +00:00".
  763. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  764.       Heartbeat took longer than "00:00:01" at "05/30/2019 10:30:22 +00:00".
  765. [00:06:58] Current: 100352, peak: 100352, connected: 14, disconnected: 0, rate: 14/s
  766. [00:06:59] Current: 100364, peak: 100364, connected: 12, disconnected: 0, rate: 12/s
  767. [00:07:00] Current: 100394, peak: 100394, connected: 30, disconnected: 0, rate: 30/s
  768. [00:07:02] Current: 100394, peak: 100394, connected: 0, disconnected: 0, rate: 0/s
  769. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  770.       Heartbeat took longer than "00:00:01" at "05/30/2019 10:30:26 +00:00".
  771. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  772.       Heartbeat took longer than "00:00:01" at "05/30/2019 10:30:26 +00:00".
  773. [00:07:04] Current: 100397, peak: 100397, connected: 3, disconnected: 0, rate: 3/s
  774. [00:07:05] Current: 100413, peak: 100413, connected: 16, disconnected: 0, rate: 16/s
  775. [00:07:06] Current: 100451, peak: 100451, connected: 38, disconnected: 0, rate: 38/s
  776. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  777.       Heartbeat took longer than "00:00:01" at "05/30/2019 10:30:31 +00:00".
  778. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  779.       Heartbeat took longer than "00:00:01" at "05/30/2019 10:30:31 +00:00".
  780. [00:07:07] Current: 100473, peak: 100473, connected: 22, disconnected: 0, rate: 22/s
  781. [00:07:09] Current: 100488, peak: 100488, connected: 15, disconnected: 0, rate: 15/s
  782. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  783.       Heartbeat took longer than "00:00:01" at "05/30/2019 10:30:33 +00:00".
  784. [00:07:10] Current: 100513, peak: 100513, connected: 25, disconnected: 0, rate: 25/s
  785. [00:07:12] Current: 100560, peak: 100560, connected: 47, disconnected: 0, rate: 47/s
  786. [00:07:13] Current: 100575, peak: 100575, connected: 15, disconnected: 0, rate: 15/s
  787. [00:07:15] Current: 100575, peak: 100575, connected: 0, disconnected: 0, rate: 0/s
  788. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  789.       Heartbeat took longer than "00:00:01" at "05/30/2019 10:30:39 +00:00".
  790. [00:07:16] Current: 100596, peak: 100596, connected: 21, disconnected: 0, rate: 21/s
  791. [00:07:17] Current: 100604, peak: 100604, connected: 8, disconnected: 0, rate: 8/s
  792. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  793.       Heartbeat took longer than "00:00:01" at "05/30/2019 10:30:41 +00:00".
  794. [00:07:18] Current: 100615, peak: 100615, connected: 11, disconnected: 0, rate: 11/s
  795. [00:07:19] Current: 100615, peak: 100615, connected: 0, disconnected: 0, rate: 0/s
  796. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  797.       Heartbeat took longer than "00:00:01" at "05/30/2019 10:30:44 +00:00".
  798. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  799.       Heartbeat took longer than "00:00:01" at "05/30/2019 10:30:44 +00:00".
  800. [00:07:21] Current: 100632, peak: 100632, connected: 17, disconnected: 0, rate: 17/s
  801. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  802.       Heartbeat took longer than "00:00:01" at "05/30/2019 10:30:45 +00:00".
  803. [00:07:22] Current: 100637, peak: 100637, connected: 5, disconnected: 0, rate: 5/s
  804. [00:07:23] Current: 100637, peak: 100637, connected: 0, disconnected: 0, rate: 0/s
  805. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  806.       Heartbeat took longer than "00:00:01" at "05/30/2019 10:30:47 +00:00".
  807. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  808.       Heartbeat took longer than "00:00:01" at "05/30/2019 10:30:47 +00:00".
  809. [00:07:24] Current: 100642, peak: 100642, connected: 5, disconnected: 0, rate: 5/s
  810. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  811.       Heartbeat took longer than "00:00:01" at "05/30/2019 10:30:48 +00:00".
  812. [00:07:25] Current: 100642, peak: 100642, connected: 0, disconnected: 0, rate: 0/s
  813. [00:07:27] Current: 100658, peak: 100658, connected: 16, disconnected: 0, rate: 16/s
  814. [00:07:28] Current: 100658, peak: 100658, connected: 0, disconnected: 0, rate: 0/s
  815. [00:07:29] Current: 100658, peak: 100658, connected: 0, disconnected: 0, rate: 0/s
  816. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  817.       Heartbeat took longer than "00:00:01" at "05/30/2019 10:30:54 +00:00".
  818. [00:07:30] Current: 100658, peak: 100658, connected: 0, disconnected: 0, rate: 0/s
  819. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  820.       Heartbeat took longer than "00:00:01" at "05/30/2019 10:30:55 +00:00".
  821. [00:07:31] Current: 100658, peak: 100658, connected: 0, disconnected: 0, rate: 0/s
  822. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  823.       Heartbeat took longer than "00:00:01" at "05/30/2019 10:30:55 +00:00".
  824. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  825.       Heartbeat took longer than "00:00:01" at "05/30/2019 10:30:55 +00:00".
  826. [00:07:32] Current: 100658, peak: 100658, connected: 0, disconnected: 0, rate: 0/s
  827. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  828.       Heartbeat took longer than "00:00:01" at "05/30/2019 10:30:56 +00:00".
  829. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  830.       Heartbeat took longer than "00:00:01" at "05/30/2019 10:30:57 +00:00".
  831. [00:07:34] Current: 100658, peak: 100658, connected: 0, disconnected: 0, rate: 0/s
  832. [00:07:35] Current: 100664, peak: 100664, connected: 6, disconnected: 0, rate: 6/s
  833. [00:07:36] Current: 100664, peak: 100664, connected: 0, disconnected: 0, rate: 0/s
  834. [00:07:37] Current: 100669, peak: 100669, connected: 5, disconnected: 0, rate: 5/s
  835. [00:07:38] Current: 100669, peak: 100669, connected: 0, disconnected: 0, rate: 0/s
  836. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  837.       Heartbeat took longer than "00:00:01" at "05/30/2019 10:31:02 +00:00".
  838. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  839.       Heartbeat took longer than "00:00:01" at "05/30/2019 10:31:02 +00:00".
  840. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  841.       Heartbeat took longer than "00:00:01" at "05/30/2019 10:31:03 +00:00".
  842. [00:07:39] Current: 100675, peak: 100675, connected: 6, disconnected: 0, rate: 6/s
  843. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  844.       Heartbeat took longer than "00:00:01" at "05/30/2019 10:31:06 +00:00".
  845. [00:07:49] Current: 100688, peak: 100688, connected: 13, disconnected: 0, rate: 13/s
  846. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  847.       Heartbeat took longer than "00:00:01" at "05/30/2019 10:31:13 +00:00".
  848. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  849.       Heartbeat took longer than "00:00:01" at "05/30/2019 10:31:13 +00:00".
  850. [00:07:50] Current: 100730, peak: 100730, connected: 42, disconnected: 0, rate: 42/s
  851. [00:07:54] Current: 100730, peak: 100730, connected: 0, disconnected: 0, rate: 0/s
  852. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  853.       Heartbeat took longer than "00:00:01" at "05/30/2019 10:31:22 +00:00".
  854. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  855.       Heartbeat took longer than "00:00:01" at "05/30/2019 10:31:24 +00:00".
  856. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  857.       Heartbeat took longer than "00:00:01" at "05/30/2019 10:31:28 +00:00".
  858. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  859.       Heartbeat took longer than "00:00:01" at "05/30/2019 10:31:28 +00:00".
  860. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  861.       Heartbeat took longer than "00:00:01" at "05/30/2019 10:31:31 +00:00".
  862. [00:08:10] Current: 100714, peak: 100730, connected: 0, disconnected: 16, rate: -16/s
  863. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  864.       Heartbeat took longer than "00:00:01" at "05/30/2019 10:31:35 +00:00".
  865. [00:08:11] Current: 99405, peak: 100730, connected: 0, disconnected: 1309, rate: -1309/s
  866. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  867.       Heartbeat took longer than "00:00:01" at "05/30/2019 10:31:36 +00:00".
  868. [00:08:12] Current: 98663, peak: 100730, connected: 0, disconnected: 742, rate: -742/s
  869. [00:08:17] Current: 98531, peak: 100730, connected: 0, disconnected: 132, rate: -132/s
  870. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  871.       Heartbeat took longer than "00:00:01" at "05/30/2019 10:31:47 +00:00".
  872. warn: Microsoft.AspNetCore.Server.Kestrel[22]
  873.       Heartbeat took longer than "00:00:01" at "05/30/2019 10:31:48 +00:00".
  874. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  875.       Failed writing message. Aborting connection.
  876. System.InvalidOperationException: Writing is not allowed after writer was completed.
  877.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  878.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  879.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  880.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  881. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  882.       Failed writing message. Aborting connection.
  883. System.InvalidOperationException: Writing is not allowed after writer was completed.
  884.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  885.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  886.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  887.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  888. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  889.       Failed writing message. Aborting connection.
  890. System.InvalidOperationException: Writing is not allowed after writer was completed.
  891.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  892.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  893.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  894.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  895. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  896.       Failed writing message. Aborting connection.
  897. System.InvalidOperationException: Writing is not allowed after writer was completed.
  898.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  899.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  900.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  901.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  902. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  903.       Failed writing message. Aborting connection.
  904. System.InvalidOperationException: Writing is not allowed after writer was completed.
  905.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  906.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  907.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  908.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  909. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  910.       Failed writing message. Aborting connection.
  911. System.InvalidOperationException: Writing is not allowed after writer was completed.
  912.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  913.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  914.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  915.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  916. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  917.       Failed writing message. Aborting connection.
  918. System.InvalidOperationException: Writing is not allowed after writer was completed.
  919.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  920.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  921.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  922.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  923. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  924.       Failed writing message. Aborting connection.
  925. System.InvalidOperationException: Writing is not allowed after writer was completed.
  926.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  927.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  928.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  929.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  930. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  931.       Failed writing message. Aborting connection.
  932. System.InvalidOperationException: Writing is not allowed after writer was completed.
  933.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  934.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  935.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  936.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  937. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  938.       Failed writing message. Aborting connection.
  939. System.InvalidOperationException: Writing is not allowed after writer was completed.
  940.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  941.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  942.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  943.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  944. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  945.       Failed writing message. Aborting connection.
  946. System.InvalidOperationException: Writing is not allowed after writer was completed.
  947.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  948.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  949.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  950.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  951. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  952.       Failed writing message. Aborting connection.
  953. System.InvalidOperationException: Writing is not allowed after writer was completed.
  954.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  955.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  956.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  957.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  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. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  1372.       Failed writing message. Aborting connection.
  1373. System.InvalidOperationException: Writing is not allowed after writer was completed.
  1374.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  1375.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1376.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1377.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  1378. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  1379.       Failed writing message. Aborting connection.
  1380. System.InvalidOperationException: Writing is not allowed after writer was completed.
  1381.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  1382.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1383.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1384.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  1385. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  1386.       Failed writing message. Aborting connection.
  1387. System.InvalidOperationException: Writing is not allowed after writer was completed.
  1388.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  1389.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1390.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1391.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  1392. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  1393.       Failed writing message. Aborting connection.
  1394. System.InvalidOperationException: Writing is not allowed after writer was completed.
  1395.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  1396.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1397.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1398.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  1399. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  1400.       Failed writing message. Aborting connection.
  1401. System.InvalidOperationException: Writing is not allowed after writer was completed.
  1402.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  1403.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1404.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1405.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  1406. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  1407.       Failed writing message. Aborting connection.
  1408. System.InvalidOperationException: Writing is not allowed after writer was completed.
  1409.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  1410.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1411.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1412.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  1413. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  1414.       Failed writing message. Aborting connection.
  1415. System.InvalidOperationException: Writing is not allowed after writer was completed.
  1416.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  1417.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1418.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1419.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  1420. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  1421.       Failed writing message. Aborting connection.
  1422. System.InvalidOperationException: Writing is not allowed after writer was completed.
  1423.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  1424.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1425.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1426.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  1427. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  1428.       Failed writing message. Aborting connection.
  1429. System.InvalidOperationException: Writing is not allowed after writer was completed.
  1430.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  1431.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1432.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1433.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  1434. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  1435.       Failed writing message. Aborting connection.
  1436. System.InvalidOperationException: Writing is not allowed after writer was completed.
  1437.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  1438.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1439.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1440.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  1441. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  1442.       Failed writing message. Aborting connection.
  1443. System.InvalidOperationException: Writing is not allowed after writer was completed.
  1444.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  1445.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1446.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1447.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  1448. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  1449.       Failed writing message. Aborting connection.
  1450. System.InvalidOperationException: Writing is not allowed after writer was completed.
  1451.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  1452.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1453.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1454.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  1455. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  1456.       Failed writing message. Aborting connection.
  1457. System.InvalidOperationException: Writing is not allowed after writer was completed.
  1458.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  1459.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1460.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1461.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  1462. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  1463.       Failed writing message. Aborting connection.
  1464. System.InvalidOperationException: Writing is not allowed after writer was completed.
  1465.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  1466.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1467.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1468.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  1469. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  1470.       Failed writing message. Aborting connection.
  1471. System.InvalidOperationException: Writing is not allowed after writer was completed.
  1472.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  1473.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1474.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1475.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  1476. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  1477.       Failed writing message. Aborting connection.
  1478. System.InvalidOperationException: Writing is not allowed after writer was completed.
  1479.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  1480.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1481.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1482.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  1483. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  1484.       Failed writing message. Aborting connection.
  1485. System.InvalidOperationException: Writing is not allowed after writer was completed.
  1486.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  1487.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1488.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1489.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  1490. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  1491.       Failed writing message. Aborting connection.
  1492. System.InvalidOperationException: Writing is not allowed after writer was completed.
  1493.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  1494.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1495.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1496.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  1497. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  1498.       Failed writing message. Aborting connection.
  1499. System.InvalidOperationException: Writing is not allowed after writer was completed.
  1500.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  1501.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1502.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1503.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  1504. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  1505.       Failed writing message. Aborting connection.
  1506. System.InvalidOperationException: Writing is not allowed after writer was completed.
  1507.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  1508.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1509.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1510.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  1511. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  1512.       Failed writing message. Aborting connection.
  1513. System.InvalidOperationException: Writing is not allowed after writer was completed.
  1514.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  1515.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1516.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1517.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  1518. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  1519.       Failed writing message. Aborting connection.
  1520. System.InvalidOperationException: Writing is not allowed after writer was completed.
  1521.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  1522.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1523.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1524.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  1525. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  1526.       Failed writing message. Aborting connection.
  1527. System.InvalidOperationException: Writing is not allowed after writer was completed.
  1528.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  1529.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1530.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1531.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  1532. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  1533.       Failed writing message. Aborting connection.
  1534. System.InvalidOperationException: Writing is not allowed after writer was completed.
  1535.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  1536.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1537.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1538.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  1539. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  1540.       Failed writing message. Aborting connection.
  1541. System.InvalidOperationException: Writing is not allowed after writer was completed.
  1542.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  1543.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1544.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1545.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  1546. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  1547.       Failed writing message. Aborting connection.
  1548. System.InvalidOperationException: Writing is not allowed after writer was completed.
  1549.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  1550.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1551.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1552.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  1553. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  1554.       Failed writing message. Aborting connection.
  1555. System.InvalidOperationException: Writing is not allowed after writer was completed.
  1556.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  1557.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1558.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1559.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  1560. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  1561.       Failed writing message. Aborting connection.
  1562. System.InvalidOperationException: Writing is not allowed after writer was completed.
  1563.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  1564.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1565.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1566.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  1567. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  1568.       Failed writing message. Aborting connection.
  1569. System.InvalidOperationException: Writing is not allowed after writer was completed.
  1570.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  1571.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1572.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1573.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  1574. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  1575.       Failed writing message. Aborting connection.
  1576. System.InvalidOperationException: Writing is not allowed after writer was completed.
  1577.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  1578.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1579.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1580.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  1581. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  1582.       Failed writing message. Aborting connection.
  1583. System.InvalidOperationException: Writing is not allowed after writer was completed.
  1584.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  1585.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1586.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1587.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  1588. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  1589.       Failed writing message. Aborting connection.
  1590. System.InvalidOperationException: Writing is not allowed after writer was completed.
  1591.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  1592.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1593.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1594.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  1595. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  1596.       Failed writing message. Aborting connection.
  1597. System.InvalidOperationException: Writing is not allowed after writer was completed.
  1598.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  1599.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1600.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1601.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  1602. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  1603.       Failed writing message. Aborting connection.
  1604. System.InvalidOperationException: Writing is not allowed after writer was completed.
  1605.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  1606.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1607.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1608.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  1609. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  1610.       Failed writing message. Aborting connection.
  1611. System.InvalidOperationException: Writing is not allowed after writer was completed.
  1612.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  1613.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1614.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1615.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  1616. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  1617.       Failed writing message. Aborting connection.
  1618. System.InvalidOperationException: Writing is not allowed after writer was completed.
  1619.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  1620.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1621.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1622.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  1623. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  1624.       Failed writing message. Aborting connection.
  1625. System.InvalidOperationException: Writing is not allowed after writer was completed.
  1626.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  1627.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1628.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1629.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  1630. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  1631.       Failed writing message. Aborting connection.
  1632. System.InvalidOperationException: Writing is not allowed after writer was completed.
  1633.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  1634.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1635.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1636.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  1637. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  1638.       Failed writing message. Aborting connection.
  1639. System.InvalidOperationException: Writing is not allowed after writer was completed.
  1640.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  1641.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1642.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1643.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  1644. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  1645.       Failed writing message. Aborting connection.
  1646. System.InvalidOperationException: Writing is not allowed after writer was completed.
  1647.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  1648.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1649.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1650.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  1651. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  1652.       Failed writing message. Aborting connection.
  1653. System.InvalidOperationException: Writing is not allowed after writer was completed.
  1654.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  1655.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1656.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1657.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  1658. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  1659.       Failed writing message. Aborting connection.
  1660. System.InvalidOperationException: Writing is not allowed after writer was completed.
  1661.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  1662.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1663.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1664.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  1665. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  1666.       Failed writing message. Aborting connection.
  1667. System.InvalidOperationException: Writing is not allowed after writer was completed.
  1668.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  1669.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1670.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1671.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  1672. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  1673.       Failed writing message. Aborting connection.
  1674. System.InvalidOperationException: Writing is not allowed after writer was completed.
  1675.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  1676.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1677.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1678.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  1679. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  1680.       Failed writing message. Aborting connection.
  1681. System.InvalidOperationException: Writing is not allowed after writer was completed.
  1682.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  1683.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1684.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1685.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  1686. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  1687.       Failed writing message. Aborting connection.
  1688. System.InvalidOperationException: Writing is not allowed after writer was completed.
  1689.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  1690.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1691.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1692.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  1693. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  1694.       Failed writing message. Aborting connection.
  1695. System.InvalidOperationException: Writing is not allowed after writer was completed.
  1696.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  1697.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1698.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1699.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  1700. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  1701.       Failed writing message. Aborting connection.
  1702. System.InvalidOperationException: Writing is not allowed after writer was completed.
  1703.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  1704.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1705.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1706.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  1707. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  1708.       Failed writing message. Aborting connection.
  1709. System.InvalidOperationException: Writing is not allowed after writer was completed.
  1710.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  1711.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1712.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1713.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  1714. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  1715.       Failed writing message. Aborting connection.
  1716. System.InvalidOperationException: Writing is not allowed after writer was completed.
  1717.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  1718.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1719.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1720.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  1721. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  1722.       Failed writing message. Aborting connection.
  1723. System.InvalidOperationException: Writing is not allowed after writer was completed.
  1724.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  1725.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1726.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1727.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  1728. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  1729.       Failed writing message. Aborting connection.
  1730. System.InvalidOperationException: Writing is not allowed after writer was completed.
  1731.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  1732.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1733.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1734.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  1735. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  1736.       Failed writing message. Aborting connection.
  1737. System.InvalidOperationException: Writing is not allowed after writer was completed.
  1738.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  1739.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1740.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1741.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  1742. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  1743.       Failed writing message. Aborting connection.
  1744. System.InvalidOperationException: Writing is not allowed after writer was completed.
  1745.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  1746.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1747.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1748.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  1749. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  1750.       Failed writing message. Aborting connection.
  1751. System.InvalidOperationException: Writing is not allowed after writer was completed.
  1752.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  1753.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1754.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1755.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  1756. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  1757.       Failed writing message. Aborting connection.
  1758. System.InvalidOperationException: Writing is not allowed after writer was completed.
  1759.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  1760.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1761.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1762.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  1763. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  1764.       Failed writing message. Aborting connection.
  1765. System.InvalidOperationException: Writing is not allowed after writer was completed.
  1766.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  1767.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1768.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1769.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  1770. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  1771.       Failed writing message. Aborting connection.
  1772. System.InvalidOperationException: Writing is not allowed after writer was completed.
  1773.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  1774.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1775.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1776.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  1777. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  1778.       Failed writing message. Aborting connection.
  1779. System.InvalidOperationException: Writing is not allowed after writer was completed.
  1780.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  1781.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1782.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1783.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  1784. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  1785.       Failed writing message. Aborting connection.
  1786. System.InvalidOperationException: Writing is not allowed after writer was completed.
  1787.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  1788.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1789.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1790.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  1791. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  1792.       Failed writing message. Aborting connection.
  1793. System.InvalidOperationException: Writing is not allowed after writer was completed.
  1794.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  1795.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1796.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1797.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  1798. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  1799.       Failed writing message. Aborting connection.
  1800. System.InvalidOperationException: Writing is not allowed after writer was completed.
  1801.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  1802.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1803.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1804.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  1805. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  1806.       Failed writing message. Aborting connection.
  1807. System.InvalidOperationException: Writing is not allowed after writer was completed.
  1808.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  1809.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1810.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1811.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  1812. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  1813.       Failed writing message. Aborting connection.
  1814. System.InvalidOperationException: Writing is not allowed after writer was completed.
  1815.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  1816.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1817.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1818.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  1819. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  1820.       Failed writing message. Aborting connection.
  1821. System.InvalidOperationException: Writing is not allowed after writer was completed.
  1822.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  1823.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1824.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1825.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  1826. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  1827.       Failed writing message. Aborting connection.
  1828. System.InvalidOperationException: Writing is not allowed after writer was completed.
  1829.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  1830.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1831.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1832.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  1833. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  1834.       Failed writing message. Aborting connection.
  1835. System.InvalidOperationException: Writing is not allowed after writer was completed.
  1836.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  1837.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1838.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1839.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  1840. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  1841.       Failed writing message. Aborting connection.
  1842. System.InvalidOperationException: Writing is not allowed after writer was completed.
  1843.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  1844.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1845.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1846.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  1847. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  1848.       Failed writing message. Aborting connection.
  1849. System.InvalidOperationException: Writing is not allowed after writer was completed.
  1850.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  1851.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1852.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1853.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  1854. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  1855.       Failed writing message. Aborting connection.
  1856. System.InvalidOperationException: Writing is not allowed after writer was completed.
  1857.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  1858.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1859.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1860.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  1861. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  1862.       Failed writing message. Aborting connection.
  1863. System.InvalidOperationException: Writing is not allowed after writer was completed.
  1864.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  1865.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1866.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1867.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  1868. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  1869.       Failed writing message. Aborting connection.
  1870. System.InvalidOperationException: Writing is not allowed after writer was completed.
  1871.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  1872.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1873.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1874.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  1875. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  1876.       Failed writing message. Aborting connection.
  1877. System.InvalidOperationException: Writing is not allowed after writer was completed.
  1878.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  1879.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1880.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1881.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  1882. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  1883.       Failed writing message. Aborting connection.
  1884. System.InvalidOperationException: Writing is not allowed after writer was completed.
  1885.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  1886.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1887.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1888.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  1889. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  1890.       Failed writing message. Aborting connection.
  1891. System.InvalidOperationException: Writing is not allowed after writer was completed.
  1892.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  1893.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1894.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1895.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  1896. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  1897.       Failed writing message. Aborting connection.
  1898. System.InvalidOperationException: Writing is not allowed after writer was completed.
  1899.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  1900.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1901.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1902.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  1903. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  1904.       Failed writing message. Aborting connection.
  1905. System.InvalidOperationException: Writing is not allowed after writer was completed.
  1906.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  1907.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1908.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1909.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  1910. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  1911.       Failed writing message. Aborting connection.
  1912. System.InvalidOperationException: Writing is not allowed after writer was completed.
  1913.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  1914.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1915.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1916.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  1917. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  1918.       Failed writing message. Aborting connection.
  1919. System.InvalidOperationException: Writing is not allowed after writer was completed.
  1920.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  1921.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1922.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1923.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  1924. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  1925.       Failed writing message. Aborting connection.
  1926. System.InvalidOperationException: Writing is not allowed after writer was completed.
  1927.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  1928.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1929.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1930.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  1931. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  1932.       Failed writing message. Aborting connection.
  1933. System.InvalidOperationException: Writing is not allowed after writer was completed.
  1934.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  1935.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1936.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1937.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  1938. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  1939.       Failed writing message. Aborting connection.
  1940. System.InvalidOperationException: Writing is not allowed after writer was completed.
  1941.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  1942.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1943.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1944.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  1945. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  1946.       Failed writing message. Aborting connection.
  1947. System.InvalidOperationException: Writing is not allowed after writer was completed.
  1948.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  1949.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1950.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1951.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  1952. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  1953.       Failed writing message. Aborting connection.
  1954. System.InvalidOperationException: Writing is not allowed after writer was completed.
  1955.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  1956.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1957.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1958.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  1959. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  1960.       Failed writing message. Aborting connection.
  1961. System.InvalidOperationException: Writing is not allowed after writer was completed.
  1962.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  1963.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1964.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1965.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  1966. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  1967.       Failed writing message. Aborting connection.
  1968. System.InvalidOperationException: Writing is not allowed after writer was completed.
  1969.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  1970.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1971.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1972.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  1973. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  1974.       Failed writing message. Aborting connection.
  1975. System.InvalidOperationException: Writing is not allowed after writer was completed.
  1976.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  1977.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1978.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1979.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  1980. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  1981.       Failed writing message. Aborting connection.
  1982. System.InvalidOperationException: Writing is not allowed after writer was completed.
  1983.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  1984.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1985.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1986.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  1987. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  1988.       Failed writing message. Aborting connection.
  1989. System.InvalidOperationException: Writing is not allowed after writer was completed.
  1990.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  1991.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1992.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1993.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  1994. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  1995.       Failed writing message. Aborting connection.
  1996. System.InvalidOperationException: Writing is not allowed after writer was completed.
  1997.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  1998.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  1999.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2000.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  2001. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  2002.       Failed writing message. Aborting connection.
  2003. System.InvalidOperationException: Writing is not allowed after writer was completed.
  2004.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  2005.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2006.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2007.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  2008. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  2009.       Failed writing message. Aborting connection.
  2010. System.InvalidOperationException: Writing is not allowed after writer was completed.
  2011.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  2012.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2013.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2014.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  2015. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  2016.       Failed writing message. Aborting connection.
  2017. System.InvalidOperationException: Writing is not allowed after writer was completed.
  2018.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  2019.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2020.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2021.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  2022. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  2023.       Failed writing message. Aborting connection.
  2024. System.InvalidOperationException: Writing is not allowed after writer was completed.
  2025.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  2026.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2027.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2028.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  2029. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  2030.       Failed writing message. Aborting connection.
  2031. System.InvalidOperationException: Writing is not allowed after writer was completed.
  2032.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  2033.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2034.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2035.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  2036. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  2037.       Failed writing message. Aborting connection.
  2038. System.InvalidOperationException: Writing is not allowed after writer was completed.
  2039.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  2040.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2041.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2042.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  2043. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  2044.       Failed writing message. Aborting connection.
  2045. System.InvalidOperationException: Writing is not allowed after writer was completed.
  2046.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  2047.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2048.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2049.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  2050. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  2051.       Failed writing message. Aborting connection.
  2052. System.InvalidOperationException: Writing is not allowed after writer was completed.
  2053.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  2054.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2055.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2056.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  2057. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  2058.       Failed writing message. Aborting connection.
  2059. System.InvalidOperationException: Writing is not allowed after writer was completed.
  2060.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  2061.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2062.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2063.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  2064. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  2065.       Failed writing message. Aborting connection.
  2066. System.InvalidOperationException: Writing is not allowed after writer was completed.
  2067.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  2068.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2069.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2070.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  2071. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  2072.       Failed writing message. Aborting connection.
  2073. System.InvalidOperationException: Writing is not allowed after writer was completed.
  2074.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  2075.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2076.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2077.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  2078. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  2079.       Failed writing message. Aborting connection.
  2080. System.InvalidOperationException: Writing is not allowed after writer was completed.
  2081.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  2082.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2083.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2084.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  2085. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  2086.       Failed writing message. Aborting connection.
  2087. System.InvalidOperationException: Writing is not allowed after writer was completed.
  2088.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  2089.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2090.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2091.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  2092. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  2093.       Failed writing message. Aborting connection.
  2094. System.InvalidOperationException: Writing is not allowed after writer was completed.
  2095.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  2096.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2097.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2098.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  2099. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  2100.       Failed writing message. Aborting connection.
  2101. System.InvalidOperationException: Writing is not allowed after writer was completed.
  2102.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  2103.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2104.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2105.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  2106. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  2107.       Failed writing message. Aborting connection.
  2108. System.InvalidOperationException: Writing is not allowed after writer was completed.
  2109.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  2110.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2111.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2112.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  2113. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  2114.       Failed writing message. Aborting connection.
  2115. System.InvalidOperationException: Writing is not allowed after writer was completed.
  2116.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  2117.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2118.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2119.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  2120. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  2121.       Failed writing message. Aborting connection.
  2122. System.InvalidOperationException: Writing is not allowed after writer was completed.
  2123.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  2124.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2125.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2126.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  2127. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  2128.       Failed writing message. Aborting connection.
  2129. System.InvalidOperationException: Writing is not allowed after writer was completed.
  2130.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  2131.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2132.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2133.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  2134. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  2135.       Failed writing message. Aborting connection.
  2136. System.InvalidOperationException: Writing is not allowed after writer was completed.
  2137.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  2138.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2139.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2140.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  2141. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  2142.       Failed writing message. Aborting connection.
  2143. System.InvalidOperationException: Writing is not allowed after writer was completed.
  2144.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  2145.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2146.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2147.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  2148. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  2149.       Failed writing message. Aborting connection.
  2150. System.InvalidOperationException: Writing is not allowed after writer was completed.
  2151.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  2152.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2153.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2154.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  2155. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  2156.       Failed writing message. Aborting connection.
  2157. System.InvalidOperationException: Writing is not allowed after writer was completed.
  2158.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  2159.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2160.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2161.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  2162. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  2163.       Failed writing message. Aborting connection.
  2164. System.InvalidOperationException: Writing is not allowed after writer was completed.
  2165.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  2166.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2167.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2168.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  2169. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  2170.       Failed writing message. Aborting connection.
  2171. System.InvalidOperationException: Writing is not allowed after writer was completed.
  2172.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  2173.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2174.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2175.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  2176. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  2177.       Failed writing message. Aborting connection.
  2178. System.InvalidOperationException: Writing is not allowed after writer was completed.
  2179.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  2180.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2181.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2182.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  2183. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  2184.       Failed writing message. Aborting connection.
  2185. System.InvalidOperationException: Writing is not allowed after writer was completed.
  2186.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  2187.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2188.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2189.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  2190. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  2191.       Failed writing message. Aborting connection.
  2192. System.InvalidOperationException: Writing is not allowed after writer was completed.
  2193.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  2194.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2195.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2196.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  2197. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  2198.       Failed writing message. Aborting connection.
  2199. System.InvalidOperationException: Writing is not allowed after writer was completed.
  2200.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  2201.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2202.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2203.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  2204. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  2205.       Failed writing message. Aborting connection.
  2206. System.InvalidOperationException: Writing is not allowed after writer was completed.
  2207.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  2208.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2209.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2210.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  2211. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  2212.       Failed writing message. Aborting connection.
  2213. System.InvalidOperationException: Writing is not allowed after writer was completed.
  2214.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  2215.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2216.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2217.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  2218. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  2219.       Failed writing message. Aborting connection.
  2220. System.InvalidOperationException: Writing is not allowed after writer was completed.
  2221.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  2222.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2223.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2224.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  2225. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  2226.       Failed writing message. Aborting connection.
  2227. System.InvalidOperationException: Writing is not allowed after writer was completed.
  2228.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  2229.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2230.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2231.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  2232. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  2233.       Failed writing message. Aborting connection.
  2234. System.InvalidOperationException: Writing is not allowed after writer was completed.
  2235.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  2236.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2237.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2238.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  2239. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  2240.       Failed writing message. Aborting connection.
  2241. System.InvalidOperationException: Writing is not allowed after writer was completed.
  2242.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  2243.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2244.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2245.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  2246. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  2247.       Failed writing message. Aborting connection.
  2248. System.InvalidOperationException: Writing is not allowed after writer was completed.
  2249.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  2250.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2251.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2252.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  2253. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  2254.       Failed writing message. Aborting connection.
  2255. System.InvalidOperationException: Writing is not allowed after writer was completed.
  2256.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  2257.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2258.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2259.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  2260. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  2261.       Failed writing message. Aborting connection.
  2262. System.InvalidOperationException: Writing is not allowed after writer was completed.
  2263.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  2264.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2265.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2266.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  2267. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  2268.       Failed writing message. Aborting connection.
  2269. System.InvalidOperationException: Writing is not allowed after writer was completed.
  2270.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  2271.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2272.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2273.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  2274. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  2275.       Failed writing message. Aborting connection.
  2276. System.InvalidOperationException: Writing is not allowed after writer was completed.
  2277.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  2278.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2279.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2280.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  2281. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  2282.       Failed writing message. Aborting connection.
  2283. System.InvalidOperationException: Writing is not allowed after writer was completed.
  2284.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  2285.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2286.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2287.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  2288. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  2289.       Failed writing message. Aborting connection.
  2290. System.InvalidOperationException: Writing is not allowed after writer was completed.
  2291.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  2292.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2293.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2294.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  2295. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  2296.       Failed writing message. Aborting connection.
  2297. System.InvalidOperationException: Writing is not allowed after writer was completed.
  2298.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  2299.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2300.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2301.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  2302. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  2303.       Failed writing message. Aborting connection.
  2304. System.InvalidOperationException: Writing is not allowed after writer was completed.
  2305.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  2306.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2307.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2308.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  2309. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  2310.       Failed writing message. Aborting connection.
  2311. System.InvalidOperationException: Writing is not allowed after writer was completed.
  2312.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  2313.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2314.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2315.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  2316. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  2317.       Failed writing message. Aborting connection.
  2318. System.InvalidOperationException: Writing is not allowed after writer was completed.
  2319.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  2320.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2321.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2322.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  2323. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  2324.       Failed writing message. Aborting connection.
  2325. System.InvalidOperationException: Writing is not allowed after writer was completed.
  2326.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  2327.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2328.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2329.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  2330. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  2331.       Failed writing message. Aborting connection.
  2332. System.InvalidOperationException: Writing is not allowed after writer was completed.
  2333.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  2334.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2335.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2336.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  2337. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  2338.       Failed writing message. Aborting connection.
  2339. System.InvalidOperationException: Writing is not allowed after writer was completed.
  2340.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  2341.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2342.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2343.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  2344. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  2345.       Failed writing message. Aborting connection.
  2346. System.InvalidOperationException: Writing is not allowed after writer was completed.
  2347.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  2348.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2349.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2350.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  2351. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  2352.       Failed writing message. Aborting connection.
  2353. System.InvalidOperationException: Writing is not allowed after writer was completed.
  2354.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  2355.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2356.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2357.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  2358. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  2359.       Failed writing message. Aborting connection.
  2360. System.InvalidOperationException: Writing is not allowed after writer was completed.
  2361.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  2362.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2363.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2364.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  2365. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  2366.       Failed writing message. Aborting connection.
  2367. System.InvalidOperationException: Writing is not allowed after writer was completed.
  2368.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  2369.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2370.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2371.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  2372. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  2373.       Failed writing message. Aborting connection.
  2374. System.InvalidOperationException: Writing is not allowed after writer was completed.
  2375.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  2376.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2377.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2378.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  2379. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  2380.       Failed writing message. Aborting connection.
  2381. System.InvalidOperationException: Writing is not allowed after writer was completed.
  2382.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  2383.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2384.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2385.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  2386. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  2387.       Failed writing message. Aborting connection.
  2388. System.InvalidOperationException: Writing is not allowed after writer was completed.
  2389.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  2390.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2391.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2392.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  2393. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  2394.       Failed writing message. Aborting connection.
  2395. System.InvalidOperationException: Writing is not allowed after writer was completed.
  2396.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  2397.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2398.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2399.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  2400. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  2401.       Failed writing message. Aborting connection.
  2402. System.InvalidOperationException: Writing is not allowed after writer was completed.
  2403.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  2404.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2405.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2406.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  2407. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  2408.       Failed writing message. Aborting connection.
  2409. System.InvalidOperationException: Writing is not allowed after writer was completed.
  2410.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  2411.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2412.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2413.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  2414. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  2415.       Failed writing message. Aborting connection.
  2416. System.InvalidOperationException: Writing is not allowed after writer was completed.
  2417.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  2418.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2419.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2420.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  2421. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  2422.       Failed writing message. Aborting connection.
  2423. System.InvalidOperationException: Writing is not allowed after writer was completed.
  2424.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  2425.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2426.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2427.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  2428. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  2429.       Failed writing message. Aborting connection.
  2430. System.InvalidOperationException: Writing is not allowed after writer was completed.
  2431.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  2432.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2433.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2434.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  2435. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  2436.       Failed writing message. Aborting connection.
  2437. System.InvalidOperationException: Writing is not allowed after writer was completed.
  2438.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  2439.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2440.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2441.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  2442. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  2443.       Failed writing message. Aborting connection.
  2444. System.InvalidOperationException: Writing is not allowed after writer was completed.
  2445.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  2446.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2447.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2448.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  2449. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  2450.       Failed writing message. Aborting connection.
  2451. System.InvalidOperationException: Writing is not allowed after writer was completed.
  2452.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  2453.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2454.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2455.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  2456. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  2457.       Failed writing message. Aborting connection.
  2458. System.InvalidOperationException: Writing is not allowed after writer was completed.
  2459.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  2460.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2461.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2462.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  2463. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  2464.       Failed writing message. Aborting connection.
  2465. System.InvalidOperationException: Writing is not allowed after writer was completed.
  2466.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  2467.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2468.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2469.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  2470. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  2471.       Failed writing message. Aborting connection.
  2472. System.InvalidOperationException: Writing is not allowed after writer was completed.
  2473.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  2474.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2475.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2476.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  2477. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  2478.       Failed writing message. Aborting connection.
  2479. System.InvalidOperationException: Writing is not allowed after writer was completed.
  2480.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  2481.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2482.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2483.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  2484. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  2485.       Failed writing message. Aborting connection.
  2486. System.InvalidOperationException: Writing is not allowed after writer was completed.
  2487.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  2488.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2489.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2490.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  2491. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  2492.       Failed writing message. Aborting connection.
  2493. System.InvalidOperationException: Writing is not allowed after writer was completed.
  2494.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  2495.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2496.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2497.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  2498. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  2499.       Failed writing message. Aborting connection.
  2500. System.InvalidOperationException: Writing is not allowed after writer was completed.
  2501.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  2502.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2503.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2504.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  2505. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  2506.       Failed writing message. Aborting connection.
  2507. System.InvalidOperationException: Writing is not allowed after writer was completed.
  2508.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  2509.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2510.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2511.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  2512. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  2513.       Failed writing message. Aborting connection.
  2514. System.InvalidOperationException: Writing is not allowed after writer was completed.
  2515.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  2516.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2517.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2518.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  2519. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  2520.       Failed writing message. Aborting connection.
  2521. System.InvalidOperationException: Writing is not allowed after writer was completed.
  2522.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  2523.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2524.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2525.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  2526. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  2527.       Failed writing message. Aborting connection.
  2528. System.InvalidOperationException: Writing is not allowed after writer was completed.
  2529.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  2530.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2531.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2532.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  2533. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  2534.       Failed writing message. Aborting connection.
  2535. System.InvalidOperationException: Writing is not allowed after writer was completed.
  2536.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  2537.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2538.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2539.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  2540. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  2541.       Failed writing message. Aborting connection.
  2542. System.InvalidOperationException: Writing is not allowed after writer was completed.
  2543.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  2544.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2545.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2546.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  2547. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  2548.       Failed writing message. Aborting connection.
  2549. System.InvalidOperationException: Writing is not allowed after writer was completed.
  2550.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  2551.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2552.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2553.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  2554. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  2555.       Failed writing message. Aborting connection.
  2556. System.InvalidOperationException: Writing is not allowed after writer was completed.
  2557.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  2558.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2559.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2560.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  2561. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  2562.       Failed writing message. Aborting connection.
  2563. System.InvalidOperationException: Writing is not allowed after writer was completed.
  2564.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  2565.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2566.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2567.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  2568. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  2569.       Failed writing message. Aborting connection.
  2570. System.InvalidOperationException: Writing is not allowed after writer was completed.
  2571.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  2572.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2573.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2574.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  2575. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  2576.       Failed writing message. Aborting connection.
  2577. System.InvalidOperationException: Writing is not allowed after writer was completed.
  2578.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  2579.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2580.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2581.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  2582. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  2583.       Failed writing message. Aborting connection.
  2584. System.InvalidOperationException: Writing is not allowed after writer was completed.
  2585.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  2586.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2587.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2588.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  2589. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  2590.       Failed writing message. Aborting connection.
  2591. System.InvalidOperationException: Writing is not allowed after writer was completed.
  2592.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  2593.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2594.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2595.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  2596. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  2597.       Failed writing message. Aborting connection.
  2598. System.InvalidOperationException: Writing is not allowed after writer was completed.
  2599.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  2600.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2601.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2602.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  2603. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  2604.       Failed writing message. Aborting connection.
  2605. System.InvalidOperationException: Writing is not allowed after writer was completed.
  2606.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  2607.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2608.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2609.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  2610. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  2611.       Failed writing message. Aborting connection.
  2612. System.InvalidOperationException: Writing is not allowed after writer was completed.
  2613.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  2614.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2615.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2616.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  2617. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  2618.       Failed writing message. Aborting connection.
  2619. System.InvalidOperationException: Writing is not allowed after writer was completed.
  2620.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  2621.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2622.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2623.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  2624. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  2625.       Failed writing message. Aborting connection.
  2626. System.InvalidOperationException: Writing is not allowed after writer was completed.
  2627.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  2628.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2629.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2630.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  2631. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  2632.       Failed writing message. Aborting connection.
  2633. System.InvalidOperationException: Writing is not allowed after writer was completed.
  2634.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  2635.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2636.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2637.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  2638. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  2639.       Failed writing message. Aborting connection.
  2640. System.InvalidOperationException: Writing is not allowed after writer was completed.
  2641.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  2642.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2643.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2644.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  2645. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  2646.       Failed writing message. Aborting connection.
  2647. System.InvalidOperationException: Writing is not allowed after writer was completed.
  2648.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  2649.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2650.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2651.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  2652. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  2653.       Failed writing message. Aborting connection.
  2654. System.InvalidOperationException: Writing is not allowed after writer was completed.
  2655.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  2656.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2657.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2658.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  2659. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  2660.       Failed writing message. Aborting connection.
  2661. System.InvalidOperationException: Writing is not allowed after writer was completed.
  2662.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  2663.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2664.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2665.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  2666. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  2667.       Failed writing message. Aborting connection.
  2668. System.InvalidOperationException: Writing is not allowed after writer was completed.
  2669.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  2670.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2671.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2672.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  2673. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  2674.       Failed writing message. Aborting connection.
  2675. System.InvalidOperationException: Writing is not allowed after writer was completed.
  2676.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  2677.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2678.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2679.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  2680. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  2681.       Failed writing message. Aborting connection.
  2682. System.InvalidOperationException: Writing is not allowed after writer was completed.
  2683.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  2684.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2685.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2686.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  2687. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  2688.       Failed writing message. Aborting connection.
  2689. System.InvalidOperationException: Writing is not allowed after writer was completed.
  2690.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  2691.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2692.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2693.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  2694. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  2695.       Failed writing message. Aborting connection.
  2696. System.InvalidOperationException: Writing is not allowed after writer was completed.
  2697.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  2698.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2699.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2700.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  2701. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  2702.       Failed writing message. Aborting connection.
  2703. System.InvalidOperationException: Writing is not allowed after writer was completed.
  2704.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  2705.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2706.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2707.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  2708. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  2709.       Failed writing message. Aborting connection.
  2710. System.InvalidOperationException: Writing is not allowed after writer was completed.
  2711.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  2712.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2713.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2714.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  2715. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  2716.       Failed writing message. Aborting connection.
  2717. System.InvalidOperationException: Writing is not allowed after writer was completed.
  2718.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  2719.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2720.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2721.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  2722. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  2723.       Failed writing message. Aborting connection.
  2724. System.InvalidOperationException: Writing is not allowed after writer was completed.
  2725.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  2726.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2727.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2728.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  2729. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  2730.       Failed writing message. Aborting connection.
  2731. System.InvalidOperationException: Writing is not allowed after writer was completed.
  2732.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  2733.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2734.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2735.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  2736. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  2737.       Failed writing message. Aborting connection.
  2738. System.InvalidOperationException: Writing is not allowed after writer was completed.
  2739.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  2740.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2741.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2742.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  2743. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  2744.       Failed writing message. Aborting connection.
  2745. System.InvalidOperationException: Writing is not allowed after writer was completed.
  2746.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  2747.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2748.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2749.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  2750. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  2751.       Failed writing message. Aborting connection.
  2752. System.InvalidOperationException: Writing is not allowed after writer was completed.
  2753.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  2754.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2755.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2756.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  2757. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  2758.       Failed writing message. Aborting connection.
  2759. System.InvalidOperationException: Writing is not allowed after writer was completed.
  2760.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  2761.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2762.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2763.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  2764. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  2765.       Failed writing message. Aborting connection.
  2766. System.InvalidOperationException: Writing is not allowed after writer was completed.
  2767.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  2768.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2769.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2770.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  2771. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  2772.       Failed writing message. Aborting connection.
  2773. System.InvalidOperationException: Writing is not allowed after writer was completed.
  2774.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  2775.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2776.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2777.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  2778. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  2779.       Failed writing message. Aborting connection.
  2780. System.InvalidOperationException: Writing is not allowed after writer was completed.
  2781.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  2782.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2783.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2784.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  2785. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  2786.       Failed writing message. Aborting connection.
  2787. System.InvalidOperationException: Writing is not allowed after writer was completed.
  2788.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  2789.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2790.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2791.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  2792. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  2793.       Failed writing message. Aborting connection.
  2794. System.InvalidOperationException: Writing is not allowed after writer was completed.
  2795.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  2796.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2797.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2798.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  2799. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  2800.       Failed writing message. Aborting connection.
  2801. System.InvalidOperationException: Writing is not allowed after writer was completed.
  2802.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  2803.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2804.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2805.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  2806. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  2807.       Failed writing message. Aborting connection.
  2808. System.InvalidOperationException: Writing is not allowed after writer was completed.
  2809.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  2810.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2811.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2812.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  2813. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  2814.       Failed writing message. Aborting connection.
  2815. System.InvalidOperationException: Writing is not allowed after writer was completed.
  2816.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  2817.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2818.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2819.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  2820. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  2821.       Failed writing message. Aborting connection.
  2822. System.InvalidOperationException: Writing is not allowed after writer was completed.
  2823.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  2824.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2825.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2826.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  2827. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  2828.       Failed writing message. Aborting connection.
  2829. System.InvalidOperationException: Writing is not allowed after writer was completed.
  2830.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  2831.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2832.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2833.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  2834. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  2835.       Failed writing message. Aborting connection.
  2836. System.InvalidOperationException: Writing is not allowed after writer was completed.
  2837.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  2838.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2839.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2840.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  2841. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  2842.       Failed writing message. Aborting connection.
  2843. System.InvalidOperationException: Writing is not allowed after writer was completed.
  2844.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  2845.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2846.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2847.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  2848. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  2849.       Failed writing message. Aborting connection.
  2850. System.InvalidOperationException: Writing is not allowed after writer was completed.
  2851.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  2852.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2853.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2854.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  2855. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  2856.       Failed writing message. Aborting connection.
  2857. System.InvalidOperationException: Writing is not allowed after writer was completed.
  2858.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  2859.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2860.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2861.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  2862. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  2863.       Failed writing message. Aborting connection.
  2864. System.InvalidOperationException: Writing is not allowed after writer was completed.
  2865.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  2866.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2867.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2868.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  2869. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  2870.       Failed writing message. Aborting connection.
  2871. System.InvalidOperationException: Writing is not allowed after writer was completed.
  2872.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  2873.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2874.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2875.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  2876. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  2877.       Failed writing message. Aborting connection.
  2878. System.InvalidOperationException: Writing is not allowed after writer was completed.
  2879.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  2880.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2881.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2882.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  2883. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  2884.       Failed writing message. Aborting connection.
  2885. System.InvalidOperationException: Writing is not allowed after writer was completed.
  2886.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  2887.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2888.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2889.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  2890. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  2891.       Failed writing message. Aborting connection.
  2892. System.InvalidOperationException: Writing is not allowed after writer was completed.
  2893.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  2894.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2895.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2896.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  2897. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  2898.       Failed writing message. Aborting connection.
  2899. System.InvalidOperationException: Writing is not allowed after writer was completed.
  2900.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  2901.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2902.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2903.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  2904. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  2905.       Failed writing message. Aborting connection.
  2906. System.InvalidOperationException: Writing is not allowed after writer was completed.
  2907.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  2908.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2909.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2910.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  2911. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  2912.       Failed writing message. Aborting connection.
  2913. System.InvalidOperationException: Writing is not allowed after writer was completed.
  2914.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  2915.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2916.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2917.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  2918. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  2919.       Failed writing message. Aborting connection.
  2920. System.InvalidOperationException: Writing is not allowed after writer was completed.
  2921.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  2922.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2923.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2924.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  2925. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  2926.       Failed writing message. Aborting connection.
  2927. System.InvalidOperationException: Writing is not allowed after writer was completed.
  2928.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  2929.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2930.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2931.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  2932. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  2933.       Failed writing message. Aborting connection.
  2934. System.InvalidOperationException: Writing is not allowed after writer was completed.
  2935.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  2936.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2937.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2938.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  2939. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  2940.       Failed writing message. Aborting connection.
  2941. System.InvalidOperationException: Writing is not allowed after writer was completed.
  2942.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  2943.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2944.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2945.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  2946. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  2947.       Failed writing message. Aborting connection.
  2948. System.InvalidOperationException: Writing is not allowed after writer was completed.
  2949.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  2950.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2951.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2952.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  2953. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  2954.       Failed writing message. Aborting connection.
  2955. System.InvalidOperationException: Writing is not allowed after writer was completed.
  2956.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  2957.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2958.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2959.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  2960. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  2961.       Failed writing message. Aborting connection.
  2962. System.InvalidOperationException: Writing is not allowed after writer was completed.
  2963.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  2964.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2965.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2966.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  2967. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  2968.       Failed writing message. Aborting connection.
  2969. System.InvalidOperationException: Writing is not allowed after writer was completed.
  2970.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  2971.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2972.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2973.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  2974. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  2975.       Failed writing message. Aborting connection.
  2976. System.InvalidOperationException: Writing is not allowed after writer was completed.
  2977.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  2978.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2979.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2980.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  2981. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  2982.       Failed writing message. Aborting connection.
  2983. System.InvalidOperationException: Writing is not allowed after writer was completed.
  2984.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  2985.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2986.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2987.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  2988. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  2989.       Failed writing message. Aborting connection.
  2990. System.InvalidOperationException: Writing is not allowed after writer was completed.
  2991.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  2992.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2993.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  2994.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  2995. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  2996.       Failed writing message. Aborting connection.
  2997. System.InvalidOperationException: Writing is not allowed after writer was completed.
  2998.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  2999.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3000.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3001.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  3002. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  3003.       Failed writing message. Aborting connection.
  3004. System.InvalidOperationException: Writing is not allowed after writer was completed.
  3005.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  3006.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3007.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3008.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  3009. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  3010.       Failed writing message. Aborting connection.
  3011. System.InvalidOperationException: Writing is not allowed after writer was completed.
  3012.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  3013.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3014.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3015.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  3016. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  3017.       Failed writing message. Aborting connection.
  3018. System.InvalidOperationException: Writing is not allowed after writer was completed.
  3019.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  3020.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3021.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3022.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  3023. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  3024.       Failed writing message. Aborting connection.
  3025. System.InvalidOperationException: Writing is not allowed after writer was completed.
  3026.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  3027.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3028.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3029.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  3030. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  3031.       Failed writing message. Aborting connection.
  3032. System.InvalidOperationException: Writing is not allowed after writer was completed.
  3033.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  3034.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3035.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3036.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  3037. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  3038.       Failed writing message. Aborting connection.
  3039. System.InvalidOperationException: Writing is not allowed after writer was completed.
  3040.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  3041.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3042.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3043.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  3044. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  3045.       Failed writing message. Aborting connection.
  3046. System.InvalidOperationException: Writing is not allowed after writer was completed.
  3047.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  3048.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3049.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3050.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  3051. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  3052.       Failed writing message. Aborting connection.
  3053. System.InvalidOperationException: Writing is not allowed after writer was completed.
  3054.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  3055.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3056.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3057.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  3058. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  3059.       Failed writing message. Aborting connection.
  3060. System.InvalidOperationException: Writing is not allowed after writer was completed.
  3061.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  3062.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3063.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3064.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  3065. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  3066.       Failed writing message. Aborting connection.
  3067. System.InvalidOperationException: Writing is not allowed after writer was completed.
  3068.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  3069.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3070.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3071.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  3072. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  3073.       Failed writing message. Aborting connection.
  3074. System.InvalidOperationException: Writing is not allowed after writer was completed.
  3075.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  3076.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3077.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3078.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  3079. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  3080.       Failed writing message. Aborting connection.
  3081. System.InvalidOperationException: Writing is not allowed after writer was completed.
  3082.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  3083.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3084.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3085.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  3086. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  3087.       Failed writing message. Aborting connection.
  3088. System.InvalidOperationException: Writing is not allowed after writer was completed.
  3089.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  3090.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3091.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3092.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  3093. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  3094.       Failed writing message. Aborting connection.
  3095. System.InvalidOperationException: Writing is not allowed after writer was completed.
  3096.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  3097.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3098.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3099.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  3100. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  3101.       Failed writing message. Aborting connection.
  3102. System.InvalidOperationException: Writing is not allowed after writer was completed.
  3103.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  3104.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3105.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3106.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  3107. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  3108.       Failed writing message. Aborting connection.
  3109. System.InvalidOperationException: Writing is not allowed after writer was completed.
  3110.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  3111.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3112.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3113.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  3114. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  3115.       Failed writing message. Aborting connection.
  3116. System.InvalidOperationException: Writing is not allowed after writer was completed.
  3117.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  3118.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3119.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3120.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  3121. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  3122.       Failed writing message. Aborting connection.
  3123. System.InvalidOperationException: Writing is not allowed after writer was completed.
  3124.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  3125.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3126.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3127.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  3128. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  3129.       Failed writing message. Aborting connection.
  3130. System.InvalidOperationException: Writing is not allowed after writer was completed.
  3131.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  3132.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3133.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3134.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  3135. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  3136.       Failed writing message. Aborting connection.
  3137. System.InvalidOperationException: Writing is not allowed after writer was completed.
  3138.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  3139.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3140.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3141.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  3142. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  3143.       Failed writing message. Aborting connection.
  3144. System.InvalidOperationException: Writing is not allowed after writer was completed.
  3145.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  3146.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3147.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3148.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  3149. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  3150.       Failed writing message. Aborting connection.
  3151. System.InvalidOperationException: Writing is not allowed after writer was completed.
  3152.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  3153.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3154.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3155.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  3156. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  3157.       Failed writing message. Aborting connection.
  3158. System.InvalidOperationException: Writing is not allowed after writer was completed.
  3159.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  3160.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3161.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3162.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  3163. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  3164.       Failed writing message. Aborting connection.
  3165. System.InvalidOperationException: Writing is not allowed after writer was completed.
  3166.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  3167.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3168.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3169.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  3170. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  3171.       Failed writing message. Aborting connection.
  3172. System.InvalidOperationException: Writing is not allowed after writer was completed.
  3173.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  3174.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3175.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3176.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  3177. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  3178.       Failed writing message. Aborting connection.
  3179. System.InvalidOperationException: Writing is not allowed after writer was completed.
  3180.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  3181.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3182.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3183.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  3184. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  3185.       Failed writing message. Aborting connection.
  3186. System.InvalidOperationException: Writing is not allowed after writer was completed.
  3187.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  3188.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3189.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3190.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  3191. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  3192.       Failed writing message. Aborting connection.
  3193. System.InvalidOperationException: Writing is not allowed after writer was completed.
  3194.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  3195.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3196.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3197.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  3198. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  3199.       Failed writing message. Aborting connection.
  3200. System.InvalidOperationException: Writing is not allowed after writer was completed.
  3201.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  3202.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3203.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3204.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  3205. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  3206.       Failed writing message. Aborting connection.
  3207. System.InvalidOperationException: Writing is not allowed after writer was completed.
  3208.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  3209.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3210.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3211.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  3212. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  3213.       Failed writing message. Aborting connection.
  3214. System.InvalidOperationException: Writing is not allowed after writer was completed.
  3215.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  3216.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3217.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3218.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  3219. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  3220.       Failed writing message. Aborting connection.
  3221. System.InvalidOperationException: Writing is not allowed after writer was completed.
  3222.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  3223.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3224.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3225.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  3226. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  3227.       Failed writing message. Aborting connection.
  3228. System.InvalidOperationException: Writing is not allowed after writer was completed.
  3229.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  3230.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3231.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3232.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  3233. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  3234.       Failed writing message. Aborting connection.
  3235. System.InvalidOperationException: Writing is not allowed after writer was completed.
  3236.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  3237.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3238.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3239.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  3240. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  3241.       Failed writing message. Aborting connection.
  3242. System.InvalidOperationException: Writing is not allowed after writer was completed.
  3243.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  3244.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3245.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3246.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  3247. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  3248.       Failed writing message. Aborting connection.
  3249. System.InvalidOperationException: Writing is not allowed after writer was completed.
  3250.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  3251.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3252.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3253.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  3254. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  3255.       Failed writing message. Aborting connection.
  3256. System.InvalidOperationException: Writing is not allowed after writer was completed.
  3257.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  3258.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3259.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3260.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  3261. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  3262.       Failed writing message. Aborting connection.
  3263. System.InvalidOperationException: Writing is not allowed after writer was completed.
  3264.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  3265.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3266.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3267.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  3268. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  3269.       Failed writing message. Aborting connection.
  3270. System.InvalidOperationException: Writing is not allowed after writer was completed.
  3271.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  3272.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3273.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3274.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  3275. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  3276.       Failed writing message. Aborting connection.
  3277. System.InvalidOperationException: Writing is not allowed after writer was completed.
  3278.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  3279.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3280.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3281.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  3282. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  3283.       Failed writing message. Aborting connection.
  3284. System.InvalidOperationException: Writing is not allowed after writer was completed.
  3285.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  3286.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3287.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3288.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  3289. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  3290.       Failed writing message. Aborting connection.
  3291. System.InvalidOperationException: Writing is not allowed after writer was completed.
  3292.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  3293.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3294.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3295.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  3296. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  3297.       Failed writing message. Aborting connection.
  3298. System.InvalidOperationException: Writing is not allowed after writer was completed.
  3299.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  3300.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3301.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3302.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  3303. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  3304.       Failed writing message. Aborting connection.
  3305. System.InvalidOperationException: Writing is not allowed after writer was completed.
  3306.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  3307.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3308.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3309.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  3310. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  3311.       Failed writing message. Aborting connection.
  3312. System.InvalidOperationException: Writing is not allowed after writer was completed.
  3313.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  3314.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3315.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3316.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  3317. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  3318.       Failed writing message. Aborting connection.
  3319. System.InvalidOperationException: Writing is not allowed after writer was completed.
  3320.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  3321.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3322.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3323.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  3324. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  3325.       Failed writing message. Aborting connection.
  3326. System.InvalidOperationException: Writing is not allowed after writer was completed.
  3327.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  3328.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3329.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3330.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  3331. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  3332.       Failed writing message. Aborting connection.
  3333. System.InvalidOperationException: Writing is not allowed after writer was completed.
  3334.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  3335.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3336.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3337.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  3338. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  3339.       Failed writing message. Aborting connection.
  3340. System.InvalidOperationException: Writing is not allowed after writer was completed.
  3341.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  3342.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3343.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3344.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  3345. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  3346.       Failed writing message. Aborting connection.
  3347. System.InvalidOperationException: Writing is not allowed after writer was completed.
  3348.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  3349.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3350.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3351.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  3352. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  3353.       Failed writing message. Aborting connection.
  3354. System.InvalidOperationException: Writing is not allowed after writer was completed.
  3355.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  3356.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3357.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3358.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  3359. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  3360.       Failed writing message. Aborting connection.
  3361. System.InvalidOperationException: Writing is not allowed after writer was completed.
  3362.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  3363.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3364.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3365.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  3366. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  3367.       Failed writing message. Aborting connection.
  3368. System.InvalidOperationException: Writing is not allowed after writer was completed.
  3369.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  3370.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3371.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3372.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  3373. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  3374.       Failed writing message. Aborting connection.
  3375. System.InvalidOperationException: Writing is not allowed after writer was completed.
  3376.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  3377.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3378.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3379.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  3380. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  3381.       Failed writing message. Aborting connection.
  3382. System.InvalidOperationException: Writing is not allowed after writer was completed.
  3383.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  3384.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3385.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3386.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  3387. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  3388.       Failed writing message. Aborting connection.
  3389. System.InvalidOperationException: Writing is not allowed after writer was completed.
  3390.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  3391.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3392.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3393.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  3394. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  3395.       Failed writing message. Aborting connection.
  3396. System.InvalidOperationException: Writing is not allowed after writer was completed.
  3397.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  3398.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3399.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3400.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  3401. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  3402.       Failed writing message. Aborting connection.
  3403. System.InvalidOperationException: Writing is not allowed after writer was completed.
  3404.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  3405.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3406.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3407.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  3408. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  3409.       Failed writing message. Aborting connection.
  3410. System.InvalidOperationException: Writing is not allowed after writer was completed.
  3411.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  3412.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3413.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3414.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  3415. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  3416.       Failed writing message. Aborting connection.
  3417. System.InvalidOperationException: Writing is not allowed after writer was completed.
  3418.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  3419.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3420.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3421.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  3422. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  3423.       Failed writing message. Aborting connection.
  3424. System.InvalidOperationException: Writing is not allowed after writer was completed.
  3425.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  3426.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3427.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3428.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  3429. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  3430.       Failed writing message. Aborting connection.
  3431. System.InvalidOperationException: Writing is not allowed after writer was completed.
  3432.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  3433.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3434.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3435.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  3436. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  3437.       Failed writing message. Aborting connection.
  3438. System.InvalidOperationException: Writing is not allowed after writer was completed.
  3439.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  3440.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3441.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3442.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  3443. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  3444.       Failed writing message. Aborting connection.
  3445. System.InvalidOperationException: Writing is not allowed after writer was completed.
  3446.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  3447.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3448.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3449.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  3450. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  3451.       Failed writing message. Aborting connection.
  3452. System.InvalidOperationException: Writing is not allowed after writer was completed.
  3453.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  3454.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3455.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3456.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  3457. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  3458.       Failed writing message. Aborting connection.
  3459. System.InvalidOperationException: Writing is not allowed after writer was completed.
  3460.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  3461.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3462.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3463.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  3464. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  3465.       Failed writing message. Aborting connection.
  3466. System.InvalidOperationException: Writing is not allowed after writer was completed.
  3467.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  3468.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3469.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3470.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  3471. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  3472.       Failed writing message. Aborting connection.
  3473. System.InvalidOperationException: Writing is not allowed after writer was completed.
  3474.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  3475.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3476.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3477.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  3478. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  3479.       Failed writing message. Aborting connection.
  3480. System.InvalidOperationException: Writing is not allowed after writer was completed.
  3481.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  3482.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3483.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3484.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  3485. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  3486.       Failed writing message. Aborting connection.
  3487. System.InvalidOperationException: Writing is not allowed after writer was completed.
  3488.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  3489.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3490.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3491.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  3492. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  3493.       Failed writing message. Aborting connection.
  3494. System.InvalidOperationException: Writing is not allowed after writer was completed.
  3495.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  3496.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3497.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3498.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  3499. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  3500.       Failed writing message. Aborting connection.
  3501. System.InvalidOperationException: Writing is not allowed after writer was completed.
  3502.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  3503.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3504.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3505.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  3506. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  3507.       Failed writing message. Aborting connection.
  3508. System.InvalidOperationException: Writing is not allowed after writer was completed.
  3509.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  3510.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3511.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3512.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  3513. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  3514.       Failed writing message. Aborting connection.
  3515. System.InvalidOperationException: Writing is not allowed after writer was completed.
  3516.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  3517.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3518.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3519.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  3520. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  3521.       Failed writing message. Aborting connection.
  3522. System.InvalidOperationException: Writing is not allowed after writer was completed.
  3523.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  3524.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3525.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3526.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  3527. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  3528.       Failed writing message. Aborting connection.
  3529. System.InvalidOperationException: Writing is not allowed after writer was completed.
  3530.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  3531.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3532.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3533.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  3534. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  3535.       Failed writing message. Aborting connection.
  3536. System.InvalidOperationException: Writing is not allowed after writer was completed.
  3537.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  3538.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3539.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3540.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  3541. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  3542.       Failed writing message. Aborting connection.
  3543. System.InvalidOperationException: Writing is not allowed after writer was completed.
  3544.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  3545.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3546.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3547.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  3548. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  3549.       Failed writing message. Aborting connection.
  3550. System.InvalidOperationException: Writing is not allowed after writer was completed.
  3551.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  3552.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3553.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3554.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  3555. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  3556.       Failed writing message. Aborting connection.
  3557. System.InvalidOperationException: Writing is not allowed after writer was completed.
  3558.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  3559.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3560.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3561.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  3562. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  3563.       Failed writing message. Aborting connection.
  3564. System.InvalidOperationException: Writing is not allowed after writer was completed.
  3565.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  3566.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3567.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3568.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  3569. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  3570.       Failed writing message. Aborting connection.
  3571. System.InvalidOperationException: Writing is not allowed after writer was completed.
  3572.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  3573.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3574.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3575.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  3576. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  3577.       Failed writing message. Aborting connection.
  3578. System.InvalidOperationException: Writing is not allowed after writer was completed.
  3579.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  3580.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3581.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3582.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  3583. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  3584.       Failed writing message. Aborting connection.
  3585. System.InvalidOperationException: Writing is not allowed after writer was completed.
  3586.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  3587.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3588.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3589.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  3590. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  3591.       Failed writing message. Aborting connection.
  3592. System.InvalidOperationException: Writing is not allowed after writer was completed.
  3593.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  3594.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3595.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3596.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  3597. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  3598.       Failed writing message. Aborting connection.
  3599. System.InvalidOperationException: Writing is not allowed after writer was completed.
  3600.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  3601.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3602.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3603.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  3604. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  3605.       Failed writing message. Aborting connection.
  3606. System.InvalidOperationException: Writing is not allowed after writer was completed.
  3607.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  3608.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3609.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3610.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  3611. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  3612.       Failed writing message. Aborting connection.
  3613. System.InvalidOperationException: Writing is not allowed after writer was completed.
  3614.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  3615.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3616.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3617.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  3618. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  3619.       Failed writing message. Aborting connection.
  3620. System.InvalidOperationException: Writing is not allowed after writer was completed.
  3621.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  3622.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3623.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3624.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  3625. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  3626.       Failed writing message. Aborting connection.
  3627. System.InvalidOperationException: Writing is not allowed after writer was completed.
  3628.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  3629.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3630.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3631.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  3632. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  3633.       Failed writing message. Aborting connection.
  3634. System.InvalidOperationException: Writing is not allowed after writer was completed.
  3635.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  3636.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3637.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3638.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  3639. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  3640.       Failed writing message. Aborting connection.
  3641. System.InvalidOperationException: Writing is not allowed after writer was completed.
  3642.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  3643.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3644.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3645.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  3646. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  3647.       Failed writing message. Aborting connection.
  3648. System.InvalidOperationException: Writing is not allowed after writer was completed.
  3649.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  3650.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3651.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3652.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  3653. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  3654.       Failed writing message. Aborting connection.
  3655. System.InvalidOperationException: Writing is not allowed after writer was completed.
  3656.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  3657.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3658.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3659.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  3660. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  3661.       Failed writing message. Aborting connection.
  3662. System.InvalidOperationException: Writing is not allowed after writer was completed.
  3663.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  3664.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3665.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3666.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  3667. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  3668.       Failed writing message. Aborting connection.
  3669. System.InvalidOperationException: Writing is not allowed after writer was completed.
  3670.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  3671.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3672.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3673.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  3674. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  3675.       Failed writing message. Aborting connection.
  3676. System.InvalidOperationException: Writing is not allowed after writer was completed.
  3677.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  3678.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3679.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3680.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  3681. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  3682.       Failed writing message. Aborting connection.
  3683. System.InvalidOperationException: Writing is not allowed after writer was completed.
  3684.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  3685.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3686.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3687.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  3688. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  3689.       Failed writing message. Aborting connection.
  3690. System.InvalidOperationException: Writing is not allowed after writer was completed.
  3691.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  3692.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3693.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3694.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  3695. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  3696.       Failed writing message. Aborting connection.
  3697. System.InvalidOperationException: Writing is not allowed after writer was completed.
  3698.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  3699.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3700.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3701.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  3702. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  3703.       Failed writing message. Aborting connection.
  3704. System.InvalidOperationException: Writing is not allowed after writer was completed.
  3705.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  3706.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3707.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3708.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  3709. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  3710.       Failed writing message. Aborting connection.
  3711. System.InvalidOperationException: Writing is not allowed after writer was completed.
  3712.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  3713.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3714.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3715.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  3716. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  3717.       Failed writing message. Aborting connection.
  3718. System.InvalidOperationException: Writing is not allowed after writer was completed.
  3719.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  3720.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3721.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3722.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  3723. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  3724.       Failed writing message. Aborting connection.
  3725. System.InvalidOperationException: Writing is not allowed after writer was completed.
  3726.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  3727.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3728.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3729.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  3730. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  3731.       Failed writing message. Aborting connection.
  3732. System.InvalidOperationException: Writing is not allowed after writer was completed.
  3733.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  3734.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3735.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3736.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  3737. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  3738.       Failed writing message. Aborting connection.
  3739. System.InvalidOperationException: Writing is not allowed after writer was completed.
  3740.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  3741.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3742.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3743.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  3744. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  3745.       Failed writing message. Aborting connection.
  3746. System.InvalidOperationException: Writing is not allowed after writer was completed.
  3747.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  3748.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3749.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3750.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  3751. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  3752.       Failed writing message. Aborting connection.
  3753. System.InvalidOperationException: Writing is not allowed after writer was completed.
  3754.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  3755.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3756.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3757.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  3758. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  3759.       Failed writing message. Aborting connection.
  3760. System.InvalidOperationException: Writing is not allowed after writer was completed.
  3761.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  3762.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3763.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3764.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  3765. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  3766.       Failed writing message. Aborting connection.
  3767. System.InvalidOperationException: Writing is not allowed after writer was completed.
  3768.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  3769.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3770.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3771.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  3772. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  3773.       Failed writing message. Aborting connection.
  3774. System.InvalidOperationException: Writing is not allowed after writer was completed.
  3775.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  3776.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3777.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3778.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  3779. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  3780.       Failed writing message. Aborting connection.
  3781. System.InvalidOperationException: Writing is not allowed after writer was completed.
  3782.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  3783.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3784.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3785.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  3786. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  3787.       Failed writing message. Aborting connection.
  3788. System.InvalidOperationException: Writing is not allowed after writer was completed.
  3789.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  3790.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3791.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3792.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  3793. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  3794.       Failed writing message. Aborting connection.
  3795. System.InvalidOperationException: Writing is not allowed after writer was completed.
  3796.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  3797.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3798.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3799.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  3800. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  3801.       Failed writing message. Aborting connection.
  3802. System.InvalidOperationException: Writing is not allowed after writer was completed.
  3803.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  3804.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3805.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3806.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  3807. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  3808.       Failed writing message. Aborting connection.
  3809. System.InvalidOperationException: Writing is not allowed after writer was completed.
  3810.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  3811.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3812.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3813.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  3814. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  3815.       Failed writing message. Aborting connection.
  3816. System.InvalidOperationException: Writing is not allowed after writer was completed.
  3817.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  3818.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3819.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3820.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  3821. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  3822.       Failed writing message. Aborting connection.
  3823. System.InvalidOperationException: Writing is not allowed after writer was completed.
  3824.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  3825.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3826.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3827.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  3828. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  3829.       Failed writing message. Aborting connection.
  3830. System.InvalidOperationException: Writing is not allowed after writer was completed.
  3831.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  3832.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3833.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3834.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  3835. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  3836.       Failed writing message. Aborting connection.
  3837. System.InvalidOperationException: Writing is not allowed after writer was completed.
  3838.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  3839.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3840.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3841.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  3842. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  3843.       Failed writing message. Aborting connection.
  3844. System.InvalidOperationException: Writing is not allowed after writer was completed.
  3845.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  3846.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3847.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3848.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  3849. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  3850.       Failed writing message. Aborting connection.
  3851. System.InvalidOperationException: Writing is not allowed after writer was completed.
  3852.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  3853.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3854.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3855.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  3856. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  3857.       Failed writing message. Aborting connection.
  3858. System.InvalidOperationException: Writing is not allowed after writer was completed.
  3859.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  3860.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3861.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3862.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  3863. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  3864.       Failed writing message. Aborting connection.
  3865. System.InvalidOperationException: Writing is not allowed after writer was completed.
  3866.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  3867.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3868.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3869.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  3870. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  3871.       Failed writing message. Aborting connection.
  3872. System.InvalidOperationException: Writing is not allowed after writer was completed.
  3873.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  3874.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3875.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3876.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  3877. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  3878.       Failed writing message. Aborting connection.
  3879. System.InvalidOperationException: Writing is not allowed after writer was completed.
  3880.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  3881.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3882.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3883.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  3884. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  3885.       Failed writing message. Aborting connection.
  3886. System.InvalidOperationException: Writing is not allowed after writer was completed.
  3887.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  3888.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3889.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3890.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  3891. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  3892.       Failed writing message. Aborting connection.
  3893. System.InvalidOperationException: Writing is not allowed after writer was completed.
  3894.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  3895.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3896.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3897.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  3898. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  3899.       Failed writing message. Aborting connection.
  3900. System.InvalidOperationException: Writing is not allowed after writer was completed.
  3901.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  3902.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3903.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3904.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  3905. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  3906.       Failed writing message. Aborting connection.
  3907. System.InvalidOperationException: Writing is not allowed after writer was completed.
  3908.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  3909.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3910.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3911.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  3912. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  3913.       Failed writing message. Aborting connection.
  3914. System.InvalidOperationException: Writing is not allowed after writer was completed.
  3915.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  3916.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3917.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3918.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  3919. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  3920.       Failed writing message. Aborting connection.
  3921. System.InvalidOperationException: Writing is not allowed after writer was completed.
  3922.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  3923.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3924.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3925.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  3926. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  3927.       Failed writing message. Aborting connection.
  3928. System.InvalidOperationException: Writing is not allowed after writer was completed.
  3929.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  3930.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3931.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3932.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  3933. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  3934.       Failed writing message. Aborting connection.
  3935. System.InvalidOperationException: Writing is not allowed after writer was completed.
  3936.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  3937.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3938.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3939.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  3940. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  3941.       Failed writing message. Aborting connection.
  3942. System.InvalidOperationException: Writing is not allowed after writer was completed.
  3943.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  3944.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3945.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3946.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  3947. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  3948.       Failed writing message. Aborting connection.
  3949. System.InvalidOperationException: Writing is not allowed after writer was completed.
  3950.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  3951.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3952.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3953.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  3954. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  3955.       Failed writing message. Aborting connection.
  3956. System.InvalidOperationException: Writing is not allowed after writer was completed.
  3957.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  3958.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3959.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3960.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  3961. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  3962.       Failed writing message. Aborting connection.
  3963. System.InvalidOperationException: Writing is not allowed after writer was completed.
  3964.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  3965.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3966.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3967.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  3968. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  3969.       Failed writing message. Aborting connection.
  3970. System.InvalidOperationException: Writing is not allowed after writer was completed.
  3971.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  3972.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3973.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3974.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  3975. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  3976.       Failed writing message. Aborting connection.
  3977. System.InvalidOperationException: Writing is not allowed after writer was completed.
  3978.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  3979.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3980.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3981.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  3982. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  3983.       Failed writing message. Aborting connection.
  3984. System.InvalidOperationException: Writing is not allowed after writer was completed.
  3985.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  3986.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3987.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3988.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  3989. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  3990.       Failed writing message. Aborting connection.
  3991. System.InvalidOperationException: Writing is not allowed after writer was completed.
  3992.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  3993.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3994.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  3995.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  3996. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  3997.       Failed writing message. Aborting connection.
  3998. System.InvalidOperationException: Writing is not allowed after writer was completed.
  3999.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  4000.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4001.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4002.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  4003. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  4004.       Failed writing message. Aborting connection.
  4005. System.InvalidOperationException: Writing is not allowed after writer was completed.
  4006.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  4007.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4008.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4009.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  4010. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  4011.       Failed writing message. Aborting connection.
  4012. System.InvalidOperationException: Writing is not allowed after writer was completed.
  4013.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  4014.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4015.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4016.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  4017. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  4018.       Failed writing message. Aborting connection.
  4019. System.InvalidOperationException: Writing is not allowed after writer was completed.
  4020.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  4021.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4022.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4023.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  4024. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  4025.       Failed writing message. Aborting connection.
  4026. System.InvalidOperationException: Writing is not allowed after writer was completed.
  4027.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  4028.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4029.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4030.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  4031. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  4032.       Failed writing message. Aborting connection.
  4033. System.InvalidOperationException: Writing is not allowed after writer was completed.
  4034.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  4035.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4036.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4037.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  4038. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  4039.       Failed writing message. Aborting connection.
  4040. System.InvalidOperationException: Writing is not allowed after writer was completed.
  4041.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  4042.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4043.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4044.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  4045. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  4046.       Failed writing message. Aborting connection.
  4047. System.InvalidOperationException: Writing is not allowed after writer was completed.
  4048.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  4049.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4050.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4051.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  4052. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  4053.       Failed writing message. Aborting connection.
  4054. System.InvalidOperationException: Writing is not allowed after writer was completed.
  4055.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  4056.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4057.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4058.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  4059. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  4060.       Failed writing message. Aborting connection.
  4061. System.InvalidOperationException: Writing is not allowed after writer was completed.
  4062.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  4063.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4064.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4065.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  4066. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  4067.       Failed writing message. Aborting connection.
  4068. System.InvalidOperationException: Writing is not allowed after writer was completed.
  4069.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  4070.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4071.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4072.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  4073. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  4074.       Failed writing message. Aborting connection.
  4075. System.InvalidOperationException: Writing is not allowed after writer was completed.
  4076.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  4077.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4078.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4079.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  4080. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  4081.       Failed writing message. Aborting connection.
  4082. System.InvalidOperationException: Writing is not allowed after writer was completed.
  4083.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  4084.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4085.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4086.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  4087. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  4088.       Failed writing message. Aborting connection.
  4089. System.InvalidOperationException: Writing is not allowed after writer was completed.
  4090.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  4091.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4092.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4093.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  4094. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  4095.       Failed writing message. Aborting connection.
  4096. System.InvalidOperationException: Writing is not allowed after writer was completed.
  4097.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  4098.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4099.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4100.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  4101. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  4102.       Failed writing message. Aborting connection.
  4103. System.InvalidOperationException: Writing is not allowed after writer was completed.
  4104.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  4105.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4106.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4107.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  4108. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  4109.       Failed writing message. Aborting connection.
  4110. System.InvalidOperationException: Writing is not allowed after writer was completed.
  4111.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  4112.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4113.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4114.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  4115. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  4116.       Failed writing message. Aborting connection.
  4117. System.InvalidOperationException: Writing is not allowed after writer was completed.
  4118.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  4119.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4120.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4121.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  4122. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  4123.       Failed writing message. Aborting connection.
  4124. System.InvalidOperationException: Writing is not allowed after writer was completed.
  4125.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  4126.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4127.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4128.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  4129. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  4130.       Failed writing message. Aborting connection.
  4131. System.InvalidOperationException: Writing is not allowed after writer was completed.
  4132.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  4133.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4134.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4135.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  4136. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  4137.       Failed writing message. Aborting connection.
  4138. System.InvalidOperationException: Writing is not allowed after writer was completed.
  4139.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  4140.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4141.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4142.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  4143. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  4144.       Failed writing message. Aborting connection.
  4145. System.InvalidOperationException: Writing is not allowed after writer was completed.
  4146.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  4147.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4148.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4149.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  4150. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  4151.       Failed writing message. Aborting connection.
  4152. System.InvalidOperationException: Writing is not allowed after writer was completed.
  4153.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  4154.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4155.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4156.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  4157. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  4158.       Failed writing message. Aborting connection.
  4159. System.InvalidOperationException: Writing is not allowed after writer was completed.
  4160.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  4161.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4162.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4163.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  4164. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  4165.       Failed writing message. Aborting connection.
  4166. System.InvalidOperationException: Writing is not allowed after writer was completed.
  4167.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  4168.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4169.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4170.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  4171. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  4172.       Failed writing message. Aborting connection.
  4173. System.InvalidOperationException: Writing is not allowed after writer was completed.
  4174.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  4175.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4176.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4177.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  4178. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  4179.       Failed writing message. Aborting connection.
  4180. System.InvalidOperationException: Writing is not allowed after writer was completed.
  4181.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  4182.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4183.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4184.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  4185. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  4186.       Failed writing message. Aborting connection.
  4187. System.InvalidOperationException: Writing is not allowed after writer was completed.
  4188.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  4189.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4190.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4191.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  4192. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  4193.       Failed writing message. Aborting connection.
  4194. System.InvalidOperationException: Writing is not allowed after writer was completed.
  4195.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  4196.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4197.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4198.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  4199. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  4200.       Failed writing message. Aborting connection.
  4201. System.InvalidOperationException: Writing is not allowed after writer was completed.
  4202.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  4203.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4204.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4205.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  4206. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  4207.       Failed writing message. Aborting connection.
  4208. System.InvalidOperationException: Writing is not allowed after writer was completed.
  4209.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  4210.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4211.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4212.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  4213. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  4214.       Failed writing message. Aborting connection.
  4215. System.InvalidOperationException: Writing is not allowed after writer was completed.
  4216.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  4217.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4218.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4219.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  4220. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  4221.       Failed writing message. Aborting connection.
  4222. System.InvalidOperationException: Writing is not allowed after writer was completed.
  4223.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  4224.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4225.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4226.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  4227. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  4228.       Failed writing message. Aborting connection.
  4229. System.InvalidOperationException: Writing is not allowed after writer was completed.
  4230.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  4231.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4232.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4233.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  4234. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  4235.       Failed writing message. Aborting connection.
  4236. System.InvalidOperationException: Writing is not allowed after writer was completed.
  4237.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  4238.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4239.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4240.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  4241. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  4242.       Failed writing message. Aborting connection.
  4243. System.InvalidOperationException: Writing is not allowed after writer was completed.
  4244.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  4245.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4246.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4247.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  4248. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  4249.       Failed writing message. Aborting connection.
  4250. System.InvalidOperationException: Writing is not allowed after writer was completed.
  4251.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  4252.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4253.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4254.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  4255. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  4256.       Failed writing message. Aborting connection.
  4257. System.InvalidOperationException: Writing is not allowed after writer was completed.
  4258.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  4259.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4260.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4261.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  4262. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  4263.       Failed writing message. Aborting connection.
  4264. System.InvalidOperationException: Writing is not allowed after writer was completed.
  4265.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  4266.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4267.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4268.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  4269. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  4270.       Failed writing message. Aborting connection.
  4271. System.InvalidOperationException: Writing is not allowed after writer was completed.
  4272.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  4273.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4274.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4275.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  4276. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  4277.       Failed writing message. Aborting connection.
  4278. System.InvalidOperationException: Writing is not allowed after writer was completed.
  4279.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  4280.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4281.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4282.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  4283. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  4284.       Failed writing message. Aborting connection.
  4285. System.InvalidOperationException: Writing is not allowed after writer was completed.
  4286.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  4287.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4288.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4289.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  4290. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  4291.       Failed writing message. Aborting connection.
  4292. System.InvalidOperationException: Writing is not allowed after writer was completed.
  4293.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  4294.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4295.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4296.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  4297. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  4298.       Failed writing message. Aborting connection.
  4299. System.InvalidOperationException: Writing is not allowed after writer was completed.
  4300.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  4301.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4302.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4303.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  4304. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  4305.       Failed writing message. Aborting connection.
  4306. System.InvalidOperationException: Writing is not allowed after writer was completed.
  4307.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  4308.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4309.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4310.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  4311. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  4312.       Failed writing message. Aborting connection.
  4313. System.InvalidOperationException: Writing is not allowed after writer was completed.
  4314.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  4315.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4316.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4317.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  4318. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  4319.       Failed writing message. Aborting connection.
  4320. System.InvalidOperationException: Writing is not allowed after writer was completed.
  4321.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  4322.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4323.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4324.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  4325. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  4326.       Failed writing message. Aborting connection.
  4327. System.InvalidOperationException: Writing is not allowed after writer was completed.
  4328.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  4329.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4330.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4331.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  4332. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  4333.       Failed writing message. Aborting connection.
  4334. System.InvalidOperationException: Writing is not allowed after writer was completed.
  4335.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  4336.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4337.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4338.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  4339. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  4340.       Failed writing message. Aborting connection.
  4341. System.InvalidOperationException: Writing is not allowed after writer was completed.
  4342.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  4343.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4344.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4345.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  4346. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  4347.       Failed writing message. Aborting connection.
  4348. System.InvalidOperationException: Writing is not allowed after writer was completed.
  4349.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  4350.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4351.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4352.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  4353. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  4354.       Failed writing message. Aborting connection.
  4355. System.InvalidOperationException: Writing is not allowed after writer was completed.
  4356.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  4357.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4358.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4359.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  4360. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  4361.       Failed writing message. Aborting connection.
  4362. System.InvalidOperationException: Writing is not allowed after writer was completed.
  4363.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  4364.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4365.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4366.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  4367. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  4368.       Failed writing message. Aborting connection.
  4369. System.InvalidOperationException: Writing is not allowed after writer was completed.
  4370.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  4371.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4372.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4373.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  4374. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  4375.       Failed writing message. Aborting connection.
  4376. System.InvalidOperationException: Writing is not allowed after writer was completed.
  4377.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  4378.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4379.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4380.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  4381. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  4382.       Failed writing message. Aborting connection.
  4383. System.InvalidOperationException: Writing is not allowed after writer was completed.
  4384.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  4385.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4386.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4387.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  4388. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  4389.       Failed writing message. Aborting connection.
  4390. System.InvalidOperationException: Writing is not allowed after writer was completed.
  4391.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  4392.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4393.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4394.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  4395. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  4396.       Failed writing message. Aborting connection.
  4397. System.InvalidOperationException: Writing is not allowed after writer was completed.
  4398.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  4399.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4400.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4401.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  4402. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  4403.       Failed writing message. Aborting connection.
  4404. System.InvalidOperationException: Writing is not allowed after writer was completed.
  4405.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  4406.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4407.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4408.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  4409. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  4410.       Failed writing message. Aborting connection.
  4411. System.InvalidOperationException: Writing is not allowed after writer was completed.
  4412.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  4413.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4414.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4415.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  4416. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  4417.       Failed writing message. Aborting connection.
  4418. System.InvalidOperationException: Writing is not allowed after writer was completed.
  4419.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  4420.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4421.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4422.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  4423. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  4424.       Failed writing message. Aborting connection.
  4425. System.InvalidOperationException: Writing is not allowed after writer was completed.
  4426.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  4427.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4428.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4429.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  4430. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  4431.       Failed writing message. Aborting connection.
  4432. System.InvalidOperationException: Writing is not allowed after writer was completed.
  4433.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  4434.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4435.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4436.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  4437. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  4438.       Failed writing message. Aborting connection.
  4439. System.InvalidOperationException: Writing is not allowed after writer was completed.
  4440.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  4441.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4442.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4443.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  4444. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  4445.       Failed writing message. Aborting connection.
  4446. System.InvalidOperationException: Writing is not allowed after writer was completed.
  4447.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  4448.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4449.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4450.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  4451. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  4452.       Failed writing message. Aborting connection.
  4453. System.InvalidOperationException: Writing is not allowed after writer was completed.
  4454.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  4455.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4456.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4457.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  4458. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  4459.       Failed writing message. Aborting connection.
  4460. System.InvalidOperationException: Writing is not allowed after writer was completed.
  4461.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  4462.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4463.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4464.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  4465. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  4466.       Failed writing message. Aborting connection.
  4467. System.InvalidOperationException: Writing is not allowed after writer was completed.
  4468.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  4469.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4470.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4471.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  4472. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  4473.       Failed writing message. Aborting connection.
  4474. System.InvalidOperationException: Writing is not allowed after writer was completed.
  4475.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  4476.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4477.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4478.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  4479. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  4480.       Failed writing message. Aborting connection.
  4481. System.InvalidOperationException: Writing is not allowed after writer was completed.
  4482.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  4483.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4484.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4485.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  4486. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  4487.       Failed writing message. Aborting connection.
  4488. System.InvalidOperationException: Writing is not allowed after writer was completed.
  4489.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  4490.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4491.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4492.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  4493. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  4494.       Failed writing message. Aborting connection.
  4495. System.InvalidOperationException: Writing is not allowed after writer was completed.
  4496.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  4497.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4498.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4499.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  4500. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  4501.       Failed writing message. Aborting connection.
  4502. System.InvalidOperationException: Writing is not allowed after writer was completed.
  4503.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  4504.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4505.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4506.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  4507. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  4508.       Failed writing message. Aborting connection.
  4509. System.InvalidOperationException: Writing is not allowed after writer was completed.
  4510.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  4511.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4512.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4513.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  4514. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  4515.       Failed writing message. Aborting connection.
  4516. System.InvalidOperationException: Writing is not allowed after writer was completed.
  4517.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  4518.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4519.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4520.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  4521. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  4522.       Failed writing message. Aborting connection.
  4523. System.InvalidOperationException: Writing is not allowed after writer was completed.
  4524.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  4525.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4526.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4527.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  4528. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  4529.       Failed writing message. Aborting connection.
  4530. System.InvalidOperationException: Writing is not allowed after writer was completed.
  4531.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  4532.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4533.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4534.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  4535. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  4536.       Failed writing message. Aborting connection.
  4537. System.InvalidOperationException: Writing is not allowed after writer was completed.
  4538.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  4539.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4540.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4541.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  4542. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  4543.       Failed writing message. Aborting connection.
  4544. System.InvalidOperationException: Writing is not allowed after writer was completed.
  4545.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  4546.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4547.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4548.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  4549. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  4550.       Failed writing message. Aborting connection.
  4551. System.InvalidOperationException: Writing is not allowed after writer was completed.
  4552.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  4553.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4554.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4555.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  4556. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  4557.       Failed writing message. Aborting connection.
  4558. System.InvalidOperationException: Writing is not allowed after writer was completed.
  4559.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  4560.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4561.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4562.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  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. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  4571.       Failed writing message. Aborting connection.
  4572. System.InvalidOperationException: Writing is not allowed after writer was completed.
  4573.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  4574.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4575.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4576.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  4577. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  4578.       Failed writing message. Aborting connection.
  4579. System.InvalidOperationException: Writing is not allowed after writer was completed.
  4580.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  4581.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4582.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4583.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  4584. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  4585.       Failed writing message. Aborting connection.
  4586. System.InvalidOperationException: Writing is not allowed after writer was completed.
  4587.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  4588.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4589.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4590.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  4591. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  4592.       Failed writing message. Aborting connection.
  4593. System.InvalidOperationException: Writing is not allowed after writer was completed.
  4594.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  4595.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4596.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4597.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  4598. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  4599.       Failed writing message. Aborting connection.
  4600. System.InvalidOperationException: Writing is not allowed after writer was completed.
  4601.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  4602.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4603.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4604.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  4605. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  4606.       Failed writing message. Aborting connection.
  4607. System.InvalidOperationException: Writing is not allowed after writer was completed.
  4608.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  4609.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4610.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4611.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  4612. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  4613.       Failed writing message. Aborting connection.
  4614. System.InvalidOperationException: Writing is not allowed after writer was completed.
  4615.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  4616.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4617.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4618.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  4619. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  4620.       Failed writing message. Aborting connection.
  4621. System.InvalidOperationException: Writing is not allowed after writer was completed.
  4622.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  4623.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4624.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4625.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  4626. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  4627.       Failed writing message. Aborting connection.
  4628. System.InvalidOperationException: Writing is not allowed after writer was completed.
  4629.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  4630.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4631.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4632.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  4633. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  4634.       Failed writing message. Aborting connection.
  4635. System.InvalidOperationException: Writing is not allowed after writer was completed.
  4636.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  4637.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4638.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4639.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  4640. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  4641.       Failed writing message. Aborting connection.
  4642. System.InvalidOperationException: Writing is not allowed after writer was completed.
  4643.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  4644.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4645.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4646.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  4647. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  4648.       Failed writing message. Aborting connection.
  4649. System.InvalidOperationException: Writing is not allowed after writer was completed.
  4650.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  4651.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4652.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4653.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  4654. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  4655.       Failed writing message. Aborting connection.
  4656. System.InvalidOperationException: Writing is not allowed after writer was completed.
  4657.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  4658.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4659.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4660.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  4661. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  4662.       Failed writing message. Aborting connection.
  4663. System.InvalidOperationException: Writing is not allowed after writer was completed.
  4664.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  4665.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4666.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4667.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  4668. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  4669.       Failed writing message. Aborting connection.
  4670. System.InvalidOperationException: Writing is not allowed after writer was completed.
  4671.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  4672.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4673.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4674.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  4675. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  4676.       Failed writing message. Aborting connection.
  4677. System.InvalidOperationException: Writing is not allowed after writer was completed.
  4678.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  4679.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4680.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4681.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  4682. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  4683.       Failed writing message. Aborting connection.
  4684. System.InvalidOperationException: Writing is not allowed after writer was completed.
  4685.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  4686.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4687.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4688.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  4689. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  4690.       Failed writing message. Aborting connection.
  4691. System.InvalidOperationException: Writing is not allowed after writer was completed.
  4692.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  4693.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4694.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4695.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  4696. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  4697.       Failed writing message. Aborting connection.
  4698. System.InvalidOperationException: Writing is not allowed after writer was completed.
  4699.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  4700.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4701.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4702.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  4703. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  4704.       Failed writing message. Aborting connection.
  4705. System.InvalidOperationException: Writing is not allowed after writer was completed.
  4706.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  4707.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4708.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4709.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  4710. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  4711.       Failed writing message. Aborting connection.
  4712. System.InvalidOperationException: Writing is not allowed after writer was completed.
  4713.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  4714.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4715.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4716.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  4717. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  4718.       Failed writing message. Aborting connection.
  4719. System.InvalidOperationException: Writing is not allowed after writer was completed.
  4720.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  4721.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4722.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4723.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  4724. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  4725.       Failed writing message. Aborting connection.
  4726. System.InvalidOperationException: Writing is not allowed after writer was completed.
  4727.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  4728.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4729.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4730.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  4731. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  4732.       Failed writing message. Aborting connection.
  4733. System.InvalidOperationException: Writing is not allowed after writer was completed.
  4734.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  4735.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4736.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4737.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  4738. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  4739.       Failed writing message. Aborting connection.
  4740. System.InvalidOperationException: Writing is not allowed after writer was completed.
  4741.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  4742.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4743.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4744.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  4745. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  4746.       Failed writing message. Aborting connection.
  4747. System.InvalidOperationException: Writing is not allowed after writer was completed.
  4748.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  4749.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4750.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4751.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  4752. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  4753.       Failed writing message. Aborting connection.
  4754. System.InvalidOperationException: Writing is not allowed after writer was completed.
  4755.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  4756.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4757.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4758.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  4759. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  4760.       Failed writing message. Aborting connection.
  4761. System.InvalidOperationException: Writing is not allowed after writer was completed.
  4762.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  4763.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4764.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4765.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  4766. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  4767.       Failed writing message. Aborting connection.
  4768. System.InvalidOperationException: Writing is not allowed after writer was completed.
  4769.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  4770.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4771.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4772.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  4773. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  4774.       Failed writing message. Aborting connection.
  4775. System.InvalidOperationException: Writing is not allowed after writer was completed.
  4776.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  4777.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4778.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4779.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  4780. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  4781.       Failed writing message. Aborting connection.
  4782. System.InvalidOperationException: Writing is not allowed after writer was completed.
  4783.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  4784.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4785.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4786.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  4787. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  4788.       Failed writing message. Aborting connection.
  4789. System.InvalidOperationException: Writing is not allowed after writer was completed.
  4790.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  4791.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4792.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4793.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  4794. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  4795.       Failed writing message. Aborting connection.
  4796. System.InvalidOperationException: Writing is not allowed after writer was completed.
  4797.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  4798.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4799.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4800.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  4801. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  4802.       Failed writing message. Aborting connection.
  4803. System.InvalidOperationException: Writing is not allowed after writer was completed.
  4804.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  4805.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4806.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4807.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  4808. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  4809.       Failed writing message. Aborting connection.
  4810. System.InvalidOperationException: Writing is not allowed after writer was completed.
  4811.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  4812.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4813.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4814.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  4815. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  4816.       Failed writing message. Aborting connection.
  4817. System.InvalidOperationException: Writing is not allowed after writer was completed.
  4818.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  4819.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4820.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4821.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  4822. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  4823.       Failed writing message. Aborting connection.
  4824. System.InvalidOperationException: Writing is not allowed after writer was completed.
  4825.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  4826.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4827.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4828.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  4829. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  4830.       Failed writing message. Aborting connection.
  4831. System.InvalidOperationException: Writing is not allowed after writer was completed.
  4832.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  4833.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4834.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4835.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  4836. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  4837.       Failed writing message. Aborting connection.
  4838. System.InvalidOperationException: Writing is not allowed after writer was completed.
  4839.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  4840.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4841.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4842.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  4843. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  4844.       Failed writing message. Aborting connection.
  4845. System.InvalidOperationException: Writing is not allowed after writer was completed.
  4846.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  4847.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4848.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4849.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  4850. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  4851.       Failed writing message. Aborting connection.
  4852. System.InvalidOperationException: Writing is not allowed after writer was completed.
  4853.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  4854.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4855.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4856.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  4857. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  4858.       Failed writing message. Aborting connection.
  4859. System.InvalidOperationException: Writing is not allowed after writer was completed.
  4860.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  4861.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4862.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4863.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  4864. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  4865.       Failed writing message. Aborting connection.
  4866. System.InvalidOperationException: Writing is not allowed after writer was completed.
  4867.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  4868.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4869.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4870.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  4871. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  4872.       Failed writing message. Aborting connection.
  4873. System.InvalidOperationException: Writing is not allowed after writer was completed.
  4874.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  4875.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4876.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4877.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  4878. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  4879.       Failed writing message. Aborting connection.
  4880. System.InvalidOperationException: Writing is not allowed after writer was completed.
  4881.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  4882.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4883.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4884.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  4885. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  4886.       Failed writing message. Aborting connection.
  4887. System.InvalidOperationException: Writing is not allowed after writer was completed.
  4888.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  4889.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4890.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4891.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  4892. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  4893.       Failed writing message. Aborting connection.
  4894. System.InvalidOperationException: Writing is not allowed after writer was completed.
  4895.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  4896.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4897.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4898.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  4899. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  4900.       Failed writing message. Aborting connection.
  4901. System.InvalidOperationException: Writing is not allowed after writer was completed.
  4902.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  4903.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4904.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4905.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  4906. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  4907.       Failed writing message. Aborting connection.
  4908. System.InvalidOperationException: Writing is not allowed after writer was completed.
  4909.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  4910.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4911.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4912.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  4913. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  4914.       Failed writing message. Aborting connection.
  4915. System.InvalidOperationException: Writing is not allowed after writer was completed.
  4916.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  4917.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4918.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4919.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  4920. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  4921.       Failed writing message. Aborting connection.
  4922. System.InvalidOperationException: Writing is not allowed after writer was completed.
  4923.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  4924.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4925.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4926.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  4927. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  4928.       Failed writing message. Aborting connection.
  4929. System.InvalidOperationException: Writing is not allowed after writer was completed.
  4930.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  4931.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4932.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4933.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  4934. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  4935.       Failed writing message. Aborting connection.
  4936. System.InvalidOperationException: Writing is not allowed after writer was completed.
  4937.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  4938.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4939.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4940.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  4941. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  4942.       Failed writing message. Aborting connection.
  4943. System.InvalidOperationException: Writing is not allowed after writer was completed.
  4944.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  4945.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4946.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4947.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  4948. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  4949.       Failed writing message. Aborting connection.
  4950. System.InvalidOperationException: Writing is not allowed after writer was completed.
  4951.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  4952.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4953.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4954.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  4955. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  4956.       Failed writing message. Aborting connection.
  4957. System.InvalidOperationException: Writing is not allowed after writer was completed.
  4958.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  4959.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4960.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4961.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  4962. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  4963.       Failed writing message. Aborting connection.
  4964. System.InvalidOperationException: Writing is not allowed after writer was completed.
  4965.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  4966.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4967.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4968.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  4969. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  4970.       Failed writing message. Aborting connection.
  4971. System.InvalidOperationException: Writing is not allowed after writer was completed.
  4972.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  4973.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4974.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4975.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  4976. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  4977.       Failed writing message. Aborting connection.
  4978. System.InvalidOperationException: Writing is not allowed after writer was completed.
  4979.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  4980.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4981.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4982.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  4983. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  4984.       Failed writing message. Aborting connection.
  4985. System.InvalidOperationException: Writing is not allowed after writer was completed.
  4986.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  4987.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4988.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4989.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  4990. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  4991.       Failed writing message. Aborting connection.
  4992. System.InvalidOperationException: Writing is not allowed after writer was completed.
  4993.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  4994.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4995.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  4996.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  4997. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  4998.       Failed writing message. Aborting connection.
  4999. System.InvalidOperationException: Writing is not allowed after writer was completed.
  5000.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  5001.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5002.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5003.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  5004. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  5005.       Failed writing message. Aborting connection.
  5006. System.InvalidOperationException: Writing is not allowed after writer was completed.
  5007.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  5008.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5009.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5010.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  5011. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  5012.       Failed writing message. Aborting connection.
  5013. System.InvalidOperationException: Writing is not allowed after writer was completed.
  5014.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  5015.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5016.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5017.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  5018. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  5019.       Failed writing message. Aborting connection.
  5020. System.InvalidOperationException: Writing is not allowed after writer was completed.
  5021.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  5022.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5023.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5024.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  5025. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  5026.       Failed writing message. Aborting connection.
  5027. System.InvalidOperationException: Writing is not allowed after writer was completed.
  5028.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  5029.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5030.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5031.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  5032. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  5033.       Failed writing message. Aborting connection.
  5034. System.InvalidOperationException: Writing is not allowed after writer was completed.
  5035.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  5036.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5037.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5038.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  5039. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  5040.       Failed writing message. Aborting connection.
  5041. System.InvalidOperationException: Writing is not allowed after writer was completed.
  5042.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  5043.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5044.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5045.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  5046. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  5047.       Failed writing message. Aborting connection.
  5048. System.InvalidOperationException: Writing is not allowed after writer was completed.
  5049.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  5050.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5051.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5052.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  5053. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  5054.       Failed writing message. Aborting connection.
  5055. System.InvalidOperationException: Writing is not allowed after writer was completed.
  5056.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  5057.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5058.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5059.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  5060. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  5061.       Failed writing message. Aborting connection.
  5062. System.InvalidOperationException: Writing is not allowed after writer was completed.
  5063.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  5064.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5065.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5066.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  5067. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  5068.       Failed writing message. Aborting connection.
  5069. System.InvalidOperationException: Writing is not allowed after writer was completed.
  5070.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  5071.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5072.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5073.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  5074. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  5075.       Failed writing message. Aborting connection.
  5076. System.InvalidOperationException: Writing is not allowed after writer was completed.
  5077.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  5078.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5079.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5080.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  5081. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  5082.       Failed writing message. Aborting connection.
  5083. System.InvalidOperationException: Writing is not allowed after writer was completed.
  5084.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  5085.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5086.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5087.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  5088. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  5089.       Failed writing message. Aborting connection.
  5090. System.InvalidOperationException: Writing is not allowed after writer was completed.
  5091.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  5092.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5093.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5094.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  5095. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  5096.       Failed writing message. Aborting connection.
  5097. System.InvalidOperationException: Writing is not allowed after writer was completed.
  5098.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  5099.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5100.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5101.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  5102. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  5103.       Failed writing message. Aborting connection.
  5104. System.InvalidOperationException: Writing is not allowed after writer was completed.
  5105.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  5106.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5107.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5108.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  5109. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  5110.       Failed writing message. Aborting connection.
  5111. System.InvalidOperationException: Writing is not allowed after writer was completed.
  5112.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  5113.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5114.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5115.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  5116. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  5117.       Failed writing message. Aborting connection.
  5118. System.InvalidOperationException: Writing is not allowed after writer was completed.
  5119.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  5120.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5121.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5122.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  5123. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  5124.       Failed writing message. Aborting connection.
  5125. System.InvalidOperationException: Writing is not allowed after writer was completed.
  5126.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  5127.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5128.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5129.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  5130. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  5131.       Failed writing message. Aborting connection.
  5132. System.InvalidOperationException: Writing is not allowed after writer was completed.
  5133.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  5134.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5135.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5136.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  5137. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  5138.       Failed writing message. Aborting connection.
  5139. System.InvalidOperationException: Writing is not allowed after writer was completed.
  5140.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  5141.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5142.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5143.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  5144. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  5145.       Failed writing message. Aborting connection.
  5146. System.InvalidOperationException: Writing is not allowed after writer was completed.
  5147.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  5148.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5149.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5150.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  5151. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  5152.       Failed writing message. Aborting connection.
  5153. System.InvalidOperationException: Writing is not allowed after writer was completed.
  5154.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  5155.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5156.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5157.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  5158. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  5159.       Failed writing message. Aborting connection.
  5160. System.InvalidOperationException: Writing is not allowed after writer was completed.
  5161.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  5162.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5163.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5164.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  5165. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  5166.       Failed writing message. Aborting connection.
  5167. System.InvalidOperationException: Writing is not allowed after writer was completed.
  5168.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  5169.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5170.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5171.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  5172. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  5173.       Failed writing message. Aborting connection.
  5174. System.InvalidOperationException: Writing is not allowed after writer was completed.
  5175.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  5176.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5177.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5178.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  5179. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  5180.       Failed writing message. Aborting connection.
  5181. System.InvalidOperationException: Writing is not allowed after writer was completed.
  5182.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  5183.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5184.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5185.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  5186. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  5187.       Failed writing message. Aborting connection.
  5188. System.InvalidOperationException: Writing is not allowed after writer was completed.
  5189.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  5190.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5191.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5192.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  5193. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  5194.       Failed writing message. Aborting connection.
  5195. System.InvalidOperationException: Writing is not allowed after writer was completed.
  5196.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  5197.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5198.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5199.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  5200. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  5201.       Failed writing message. Aborting connection.
  5202. System.InvalidOperationException: Writing is not allowed after writer was completed.
  5203.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  5204.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5205.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5206.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  5207. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  5208.       Failed writing message. Aborting connection.
  5209. System.InvalidOperationException: Writing is not allowed after writer was completed.
  5210.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  5211.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5212.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5213.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  5214. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  5215.       Failed writing message. Aborting connection.
  5216. System.InvalidOperationException: Writing is not allowed after writer was completed.
  5217.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  5218.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5219.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5220.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  5221. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  5222.       Failed writing message. Aborting connection.
  5223. System.InvalidOperationException: Writing is not allowed after writer was completed.
  5224.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  5225.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5226.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5227.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  5228. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  5229.       Failed writing message. Aborting connection.
  5230. System.InvalidOperationException: Writing is not allowed after writer was completed.
  5231.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  5232.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5233.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5234.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  5235. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  5236.       Failed writing message. Aborting connection.
  5237. System.InvalidOperationException: Writing is not allowed after writer was completed.
  5238.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  5239.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5240.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5241.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  5242. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  5243.       Failed writing message. Aborting connection.
  5244. System.InvalidOperationException: Writing is not allowed after writer was completed.
  5245.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  5246.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5247.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5248.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  5249. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  5250.       Failed writing message. Aborting connection.
  5251. System.InvalidOperationException: Writing is not allowed after writer was completed.
  5252.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  5253.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5254.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5255.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  5256. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  5257.       Failed writing message. Aborting connection.
  5258. System.InvalidOperationException: Writing is not allowed after writer was completed.
  5259.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  5260.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5261.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5262.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  5263. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  5264.       Failed writing message. Aborting connection.
  5265. System.InvalidOperationException: Writing is not allowed after writer was completed.
  5266.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  5267.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5268.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5269.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  5270. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  5271.       Failed writing message. Aborting connection.
  5272. System.InvalidOperationException: Writing is not allowed after writer was completed.
  5273.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  5274.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5275.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5276.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  5277. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  5278.       Failed writing message. Aborting connection.
  5279. System.InvalidOperationException: Writing is not allowed after writer was completed.
  5280.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  5281.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5282.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5283.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  5284. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  5285.       Failed writing message. Aborting connection.
  5286. System.InvalidOperationException: Writing is not allowed after writer was completed.
  5287.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  5288.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5289.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5290.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  5291. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  5292.       Failed writing message. Aborting connection.
  5293. System.InvalidOperationException: Writing is not allowed after writer was completed.
  5294.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  5295.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5296.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5297.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  5298. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  5299.       Failed writing message. Aborting connection.
  5300. System.InvalidOperationException: Writing is not allowed after writer was completed.
  5301.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  5302.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5303.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5304.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  5305. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  5306.       Failed writing message. Aborting connection.
  5307. System.InvalidOperationException: Writing is not allowed after writer was completed.
  5308.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  5309.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5310.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5311.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  5312. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  5313.       Failed writing message. Aborting connection.
  5314. System.InvalidOperationException: Writing is not allowed after writer was completed.
  5315.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  5316.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5317.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5318.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  5319. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  5320.       Failed writing message. Aborting connection.
  5321. System.InvalidOperationException: Writing is not allowed after writer was completed.
  5322.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  5323.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5324.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5325.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  5326. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  5327.       Failed writing message. Aborting connection.
  5328. System.InvalidOperationException: Writing is not allowed after writer was completed.
  5329.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  5330.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5331.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5332.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  5333. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  5334.       Failed writing message. Aborting connection.
  5335. System.InvalidOperationException: Writing is not allowed after writer was completed.
  5336.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  5337.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5338.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5339.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  5340. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  5341.       Failed writing message. Aborting connection.
  5342. System.InvalidOperationException: Writing is not allowed after writer was completed.
  5343.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  5344.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5345.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5346.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  5347. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  5348.       Failed writing message. Aborting connection.
  5349. System.InvalidOperationException: Writing is not allowed after writer was completed.
  5350.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  5351.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5352.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5353.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  5354. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  5355.       Failed writing message. Aborting connection.
  5356. System.InvalidOperationException: Writing is not allowed after writer was completed.
  5357.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  5358.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5359.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5360.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  5361. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  5362.       Failed writing message. Aborting connection.
  5363. System.InvalidOperationException: Writing is not allowed after writer was completed.
  5364.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  5365.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5366.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5367.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  5368. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  5369.       Failed writing message. Aborting connection.
  5370. System.InvalidOperationException: Writing is not allowed after writer was completed.
  5371.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  5372.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5373.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5374.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  5375. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  5376.       Failed writing message. Aborting connection.
  5377. System.InvalidOperationException: Writing is not allowed after writer was completed.
  5378.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  5379.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5380.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5381.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  5382. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  5383.       Failed writing message. Aborting connection.
  5384. System.InvalidOperationException: Writing is not allowed after writer was completed.
  5385.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  5386.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5387.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5388.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  5389. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  5390.       Failed writing message. Aborting connection.
  5391. System.InvalidOperationException: Writing is not allowed after writer was completed.
  5392.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  5393.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5394.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5395.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  5396. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  5397.       Failed writing message. Aborting connection.
  5398. System.InvalidOperationException: Writing is not allowed after writer was completed.
  5399.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  5400.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5401.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5402.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  5403. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  5404.       Failed writing message. Aborting connection.
  5405. System.InvalidOperationException: Writing is not allowed after writer was completed.
  5406.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  5407.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5408.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5409.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  5410. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  5411.       Failed writing message. Aborting connection.
  5412. System.InvalidOperationException: Writing is not allowed after writer was completed.
  5413.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  5414.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5415.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5416.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  5417. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  5418.       Failed writing message. Aborting connection.
  5419. System.InvalidOperationException: Writing is not allowed after writer was completed.
  5420.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  5421.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5422.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5423.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  5424. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  5425.       Failed writing message. Aborting connection.
  5426. System.InvalidOperationException: Writing is not allowed after writer was completed.
  5427.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  5428.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5429.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5430.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  5431. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  5432.       Failed writing message. Aborting connection.
  5433. System.InvalidOperationException: Writing is not allowed after writer was completed.
  5434.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  5435.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5436.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5437.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  5438. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  5439.       Failed writing message. Aborting connection.
  5440. System.InvalidOperationException: Writing is not allowed after writer was completed.
  5441.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  5442.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5443.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5444.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  5445. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  5446.       Failed writing message. Aborting connection.
  5447. System.InvalidOperationException: Writing is not allowed after writer was completed.
  5448.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  5449.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5450.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5451.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  5452. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  5453.       Failed writing message. Aborting connection.
  5454. System.InvalidOperationException: Writing is not allowed after writer was completed.
  5455.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  5456.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5457.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5458.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  5459. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  5460.       Failed writing message. Aborting connection.
  5461. System.InvalidOperationException: Writing is not allowed after writer was completed.
  5462.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  5463.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5464.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5465.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  5466. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  5467.       Failed writing message. Aborting connection.
  5468. System.InvalidOperationException: Writing is not allowed after writer was completed.
  5469.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  5470.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5471.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5472.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  5473. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  5474.       Failed writing message. Aborting connection.
  5475. System.InvalidOperationException: Writing is not allowed after writer was completed.
  5476.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  5477.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5478.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5479.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  5480. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  5481.       Failed writing message. Aborting connection.
  5482. System.InvalidOperationException: Writing is not allowed after writer was completed.
  5483.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  5484.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5485.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5486.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  5487. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  5488.       Failed writing message. Aborting connection.
  5489. System.InvalidOperationException: Writing is not allowed after writer was completed.
  5490.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  5491.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5492.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5493.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  5494. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  5495.       Failed writing message. Aborting connection.
  5496. System.InvalidOperationException: Writing is not allowed after writer was completed.
  5497.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  5498.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5499.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5500.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  5501. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  5502.       Failed writing message. Aborting connection.
  5503. System.InvalidOperationException: Writing is not allowed after writer was completed.
  5504.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  5505.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5506.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5507.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  5508. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  5509.       Failed writing message. Aborting connection.
  5510. System.InvalidOperationException: Writing is not allowed after writer was completed.
  5511.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  5512.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5513.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5514.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  5515. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  5516.       Failed writing message. Aborting connection.
  5517. System.InvalidOperationException: Writing is not allowed after writer was completed.
  5518.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  5519.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5520.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5521.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  5522. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  5523.       Failed writing message. Aborting connection.
  5524. System.InvalidOperationException: Writing is not allowed after writer was completed.
  5525.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  5526.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5527.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5528.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  5529. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  5530.       Failed writing message. Aborting connection.
  5531. System.InvalidOperationException: Writing is not allowed after writer was completed.
  5532.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  5533.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5534.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5535.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  5536. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  5537.       Failed writing message. Aborting connection.
  5538. System.InvalidOperationException: Writing is not allowed after writer was completed.
  5539.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  5540.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5541.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5542.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  5543. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  5544.       Failed writing message. Aborting connection.
  5545. System.InvalidOperationException: Writing is not allowed after writer was completed.
  5546.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  5547.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5548.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5549.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  5550. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  5551.       Failed writing message. Aborting connection.
  5552. System.InvalidOperationException: Writing is not allowed after writer was completed.
  5553.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  5554.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5555.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5556.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  5557. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  5558.       Failed writing message. Aborting connection.
  5559. System.InvalidOperationException: Writing is not allowed after writer was completed.
  5560.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  5561.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5562.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5563.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  5564. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  5565.       Failed writing message. Aborting connection.
  5566. System.InvalidOperationException: Writing is not allowed after writer was completed.
  5567.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  5568.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5569.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5570.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  5571. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  5572.       Failed writing message. Aborting connection.
  5573. System.InvalidOperationException: Writing is not allowed after writer was completed.
  5574.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  5575.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5576.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5577.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  5578. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  5579.       Failed writing message. Aborting connection.
  5580. System.InvalidOperationException: Writing is not allowed after writer was completed.
  5581.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  5582.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5583.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5584.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  5585. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  5586.       Failed writing message. Aborting connection.
  5587. System.InvalidOperationException: Writing is not allowed after writer was completed.
  5588.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  5589.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5590.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5591.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  5592. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  5593.       Failed writing message. Aborting connection.
  5594. System.InvalidOperationException: Writing is not allowed after writer was completed.
  5595.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  5596.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5597.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5598.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  5599. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  5600.       Failed writing message. Aborting connection.
  5601. System.InvalidOperationException: Writing is not allowed after writer was completed.
  5602.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  5603.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5604.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5605.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  5606. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  5607.       Failed writing message. Aborting connection.
  5608. System.InvalidOperationException: Writing is not allowed after writer was completed.
  5609.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  5610.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5611.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5612.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  5613. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  5614.       Failed writing message. Aborting connection.
  5615. System.InvalidOperationException: Writing is not allowed after writer was completed.
  5616.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  5617.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5618.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5619.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  5620. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  5621.       Failed writing message. Aborting connection.
  5622. System.InvalidOperationException: Writing is not allowed after writer was completed.
  5623.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  5624.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5625.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5626.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  5627. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  5628.       Failed writing message. Aborting connection.
  5629. System.InvalidOperationException: Writing is not allowed after writer was completed.
  5630.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  5631.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5632.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5633.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  5634. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  5635.       Failed writing message. Aborting connection.
  5636. System.InvalidOperationException: Writing is not allowed after writer was completed.
  5637.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  5638.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5639.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5640.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  5641. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  5642.       Failed writing message. Aborting connection.
  5643. System.InvalidOperationException: Writing is not allowed after writer was completed.
  5644.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  5645.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5646.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5647.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  5648. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  5649.       Failed writing message. Aborting connection.
  5650. System.InvalidOperationException: Writing is not allowed after writer was completed.
  5651.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  5652.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5653.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5654.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  5655. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  5656.       Failed writing message. Aborting connection.
  5657. System.InvalidOperationException: Writing is not allowed after writer was completed.
  5658.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  5659.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5660.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5661.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  5662. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  5663.       Failed writing message. Aborting connection.
  5664. System.InvalidOperationException: Writing is not allowed after writer was completed.
  5665.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  5666.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5667.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5668.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  5669. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  5670.       Failed writing message. Aborting connection.
  5671. System.InvalidOperationException: Writing is not allowed after writer was completed.
  5672.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  5673.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5674.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5675.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  5676. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  5677.       Failed writing message. Aborting connection.
  5678. System.InvalidOperationException: Writing is not allowed after writer was completed.
  5679.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  5680.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5681.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5682.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  5683. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  5684.       Failed writing message. Aborting connection.
  5685. System.InvalidOperationException: Writing is not allowed after writer was completed.
  5686.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  5687.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5688.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5689.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  5690. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  5691.       Failed writing message. Aborting connection.
  5692. System.InvalidOperationException: Writing is not allowed after writer was completed.
  5693.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  5694.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5695.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5696.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  5697. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  5698.       Failed writing message. Aborting connection.
  5699. System.InvalidOperationException: Writing is not allowed after writer was completed.
  5700.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  5701.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5702.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5703.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  5704. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  5705.       Failed writing message. Aborting connection.
  5706. System.InvalidOperationException: Writing is not allowed after writer was completed.
  5707.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  5708.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5709.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5710.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  5711. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  5712.       Failed writing message. Aborting connection.
  5713. System.InvalidOperationException: Writing is not allowed after writer was completed.
  5714.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  5715.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5716.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5717.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  5718. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  5719.       Failed writing message. Aborting connection.
  5720. System.InvalidOperationException: Writing is not allowed after writer was completed.
  5721.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  5722.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5723.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5724.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  5725. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  5726.       Failed writing message. Aborting connection.
  5727. System.InvalidOperationException: Writing is not allowed after writer was completed.
  5728.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  5729.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5730.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5731.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  5732. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  5733.       Failed writing message. Aborting connection.
  5734. System.InvalidOperationException: Writing is not allowed after writer was completed.
  5735.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  5736.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5737.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5738.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  5739. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  5740.       Failed writing message. Aborting connection.
  5741. System.InvalidOperationException: Writing is not allowed after writer was completed.
  5742.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  5743.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5744.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5745.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  5746. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  5747.       Failed writing message. Aborting connection.
  5748. System.InvalidOperationException: Writing is not allowed after writer was completed.
  5749.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  5750.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5751.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5752.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  5753. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  5754.       Failed writing message. Aborting connection.
  5755. System.InvalidOperationException: Writing is not allowed after writer was completed.
  5756.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  5757.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5758.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5759.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  5760. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  5761.       Failed writing message. Aborting connection.
  5762. System.InvalidOperationException: Writing is not allowed after writer was completed.
  5763.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  5764.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5765.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5766.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  5767. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  5768.       Failed writing message. Aborting connection.
  5769. System.InvalidOperationException: Writing is not allowed after writer was completed.
  5770.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  5771.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5772.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5773.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  5774. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  5775.       Failed writing message. Aborting connection.
  5776. System.InvalidOperationException: Writing is not allowed after writer was completed.
  5777.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  5778.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5779.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5780.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  5781. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  5782.       Failed writing message. Aborting connection.
  5783. System.InvalidOperationException: Writing is not allowed after writer was completed.
  5784.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  5785.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5786.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5787.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  5788. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  5789.       Failed writing message. Aborting connection.
  5790. System.InvalidOperationException: Writing is not allowed after writer was completed.
  5791.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  5792.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5793.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5794.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  5795. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  5796.       Failed writing message. Aborting connection.
  5797. System.InvalidOperationException: Writing is not allowed after writer was completed.
  5798.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  5799.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5800.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5801.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  5802. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  5803.       Failed writing message. Aborting connection.
  5804. System.InvalidOperationException: Writing is not allowed after writer was completed.
  5805.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  5806.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5807.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5808.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  5809. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  5810.       Failed writing message. Aborting connection.
  5811. System.InvalidOperationException: Writing is not allowed after writer was completed.
  5812.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  5813.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5814.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5815.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  5816. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  5817.       Failed writing message. Aborting connection.
  5818. System.InvalidOperationException: Writing is not allowed after writer was completed.
  5819.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  5820.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5821.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5822.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  5823. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  5824.       Failed writing message. Aborting connection.
  5825. System.InvalidOperationException: Writing is not allowed after writer was completed.
  5826.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  5827.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5828.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5829.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  5830. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  5831.       Failed writing message. Aborting connection.
  5832. System.InvalidOperationException: Writing is not allowed after writer was completed.
  5833.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  5834.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5835.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5836.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  5837. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  5838.       Failed writing message. Aborting connection.
  5839. System.InvalidOperationException: Writing is not allowed after writer was completed.
  5840.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  5841.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5842.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5843.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  5844. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  5845.       Failed writing message. Aborting connection.
  5846. System.InvalidOperationException: Writing is not allowed after writer was completed.
  5847.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  5848.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5849.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5850.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  5851. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  5852.       Failed writing message. Aborting connection.
  5853. System.InvalidOperationException: Writing is not allowed after writer was completed.
  5854.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  5855.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5856.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5857.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  5858. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  5859.       Failed writing message. Aborting connection.
  5860. System.InvalidOperationException: Writing is not allowed after writer was completed.
  5861.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  5862.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5863.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5864.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  5865. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  5866.       Failed writing message. Aborting connection.
  5867. System.InvalidOperationException: Writing is not allowed after writer was completed.
  5868.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  5869.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5870.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5871.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  5872. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  5873.       Failed writing message. Aborting connection.
  5874. System.InvalidOperationException: Writing is not allowed after writer was completed.
  5875.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  5876.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5877.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5878.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  5879. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  5880.       Failed writing message. Aborting connection.
  5881. System.InvalidOperationException: Writing is not allowed after writer was completed.
  5882.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  5883.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5884.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5885.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  5886. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  5887.       Failed writing message. Aborting connection.
  5888. System.InvalidOperationException: Writing is not allowed after writer was completed.
  5889.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  5890.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5891.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5892.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  5893. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  5894.       Failed writing message. Aborting connection.
  5895. System.InvalidOperationException: Writing is not allowed after writer was completed.
  5896.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  5897.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5898.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5899.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  5900. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  5901.       Failed writing message. Aborting connection.
  5902. System.InvalidOperationException: Writing is not allowed after writer was completed.
  5903.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  5904.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5905.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5906.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  5907. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  5908.       Failed writing message. Aborting connection.
  5909. System.InvalidOperationException: Writing is not allowed after writer was completed.
  5910.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  5911.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5912.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5913.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  5914. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  5915.       Failed writing message. Aborting connection.
  5916. System.InvalidOperationException: Writing is not allowed after writer was completed.
  5917.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  5918.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5919.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5920.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  5921. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  5922.       Failed writing message. Aborting connection.
  5923. System.InvalidOperationException: Writing is not allowed after writer was completed.
  5924.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  5925.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5926.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5927.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  5928. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  5929.       Failed writing message. Aborting connection.
  5930. System.InvalidOperationException: Writing is not allowed after writer was completed.
  5931.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  5932.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5933.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5934.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  5935. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  5936.       Failed writing message. Aborting connection.
  5937. System.InvalidOperationException: Writing is not allowed after writer was completed.
  5938.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  5939.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5940.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5941.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  5942. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  5943.       Failed writing message. Aborting connection.
  5944. System.InvalidOperationException: Writing is not allowed after writer was completed.
  5945.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  5946.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5947.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5948.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  5949. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  5950.       Failed writing message. Aborting connection.
  5951. System.InvalidOperationException: Writing is not allowed after writer was completed.
  5952.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  5953.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5954.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5955.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  5956. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  5957.       Failed writing message. Aborting connection.
  5958. System.InvalidOperationException: Writing is not allowed after writer was completed.
  5959.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  5960.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5961.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5962.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  5963. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  5964.       Failed writing message. Aborting connection.
  5965. System.InvalidOperationException: Writing is not allowed after writer was completed.
  5966.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  5967.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5968.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5969.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  5970. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  5971.       Failed writing message. Aborting connection.
  5972. System.InvalidOperationException: Writing is not allowed after writer was completed.
  5973.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  5974.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5975.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5976.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  5977. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  5978.       Failed writing message. Aborting connection.
  5979. System.InvalidOperationException: Writing is not allowed after writer was completed.
  5980.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  5981.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5982.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5983.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  5984. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  5985.       Failed writing message. Aborting connection.
  5986. System.InvalidOperationException: Writing is not allowed after writer was completed.
  5987.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  5988.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5989.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5990.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  5991. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  5992.       Failed writing message. Aborting connection.
  5993. System.InvalidOperationException: Writing is not allowed after writer was completed.
  5994.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  5995.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5996.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  5997.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  5998. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  5999.       Failed writing message. Aborting connection.
  6000. System.InvalidOperationException: Writing is not allowed after writer was completed.
  6001.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  6002.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6003.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6004.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  6005. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  6006.       Failed writing message. Aborting connection.
  6007. System.InvalidOperationException: Writing is not allowed after writer was completed.
  6008.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  6009.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6010.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6011.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  6012. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  6013.       Failed writing message. Aborting connection.
  6014. System.InvalidOperationException: Writing is not allowed after writer was completed.
  6015.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  6016.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6017.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6018.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  6019. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  6020.       Failed writing message. Aborting connection.
  6021. System.InvalidOperationException: Writing is not allowed after writer was completed.
  6022.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  6023.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6024.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6025.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  6026. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  6027.       Failed writing message. Aborting connection.
  6028. System.InvalidOperationException: Writing is not allowed after writer was completed.
  6029.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  6030.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6031.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6032.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  6033. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  6034.       Failed writing message. Aborting connection.
  6035. System.InvalidOperationException: Writing is not allowed after writer was completed.
  6036.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  6037.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6038.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6039.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  6040. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  6041.       Failed writing message. Aborting connection.
  6042. System.InvalidOperationException: Writing is not allowed after writer was completed.
  6043.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  6044.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6045.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6046.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  6047. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  6048.       Failed writing message. Aborting connection.
  6049. System.InvalidOperationException: Writing is not allowed after writer was completed.
  6050.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  6051.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6052.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6053.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  6054. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  6055.       Failed writing message. Aborting connection.
  6056. System.InvalidOperationException: Writing is not allowed after writer was completed.
  6057.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  6058.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6059.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6060.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  6061. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  6062.       Failed writing message. Aborting connection.
  6063. System.InvalidOperationException: Writing is not allowed after writer was completed.
  6064.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  6065.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6066.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6067.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  6068. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  6069.       Failed writing message. Aborting connection.
  6070. System.InvalidOperationException: Writing is not allowed after writer was completed.
  6071.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  6072.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6073.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6074.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  6075. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  6076.       Failed writing message. Aborting connection.
  6077. System.InvalidOperationException: Writing is not allowed after writer was completed.
  6078.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  6079.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6080.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6081.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  6082. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  6083.       Failed writing message. Aborting connection.
  6084. System.InvalidOperationException: Writing is not allowed after writer was completed.
  6085.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  6086.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6087.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6088.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  6089. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  6090.       Failed writing message. Aborting connection.
  6091. System.InvalidOperationException: Writing is not allowed after writer was completed.
  6092.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  6093.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6094.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6095.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  6096. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  6097.       Failed writing message. Aborting connection.
  6098. System.InvalidOperationException: Writing is not allowed after writer was completed.
  6099.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  6100.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6101.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6102.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  6103. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  6104.       Failed writing message. Aborting connection.
  6105. System.InvalidOperationException: Writing is not allowed after writer was completed.
  6106.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  6107.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6108.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6109.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  6110. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  6111.       Failed writing message. Aborting connection.
  6112. System.InvalidOperationException: Writing is not allowed after writer was completed.
  6113.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  6114.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6115.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6116.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  6117. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  6118.       Failed writing message. Aborting connection.
  6119. System.InvalidOperationException: Writing is not allowed after writer was completed.
  6120.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  6121.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6122.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6123.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  6124. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  6125.       Failed writing message. Aborting connection.
  6126. System.InvalidOperationException: Writing is not allowed after writer was completed.
  6127.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  6128.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6129.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6130.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  6131. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  6132.       Failed writing message. Aborting connection.
  6133. System.InvalidOperationException: Writing is not allowed after writer was completed.
  6134.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  6135.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6136.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6137.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  6138. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  6139.       Failed writing message. Aborting connection.
  6140. System.InvalidOperationException: Writing is not allowed after writer was completed.
  6141.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  6142.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6143.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6144.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  6145. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  6146.       Failed writing message. Aborting connection.
  6147. System.InvalidOperationException: Writing is not allowed after writer was completed.
  6148.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  6149.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6150.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6151.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  6152. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  6153.       Failed writing message. Aborting connection.
  6154. System.InvalidOperationException: Writing is not allowed after writer was completed.
  6155.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  6156.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6157.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6158.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  6159. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  6160.       Failed writing message. Aborting connection.
  6161. System.InvalidOperationException: Writing is not allowed after writer was completed.
  6162.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  6163.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6164.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6165.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  6166. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  6167.       Failed writing message. Aborting connection.
  6168. System.InvalidOperationException: Writing is not allowed after writer was completed.
  6169.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  6170.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6171.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6172.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  6173. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  6174.       Failed writing message. Aborting connection.
  6175. System.InvalidOperationException: Writing is not allowed after writer was completed.
  6176.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  6177.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6178.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6179.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  6180. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  6181.       Failed writing message. Aborting connection.
  6182. System.InvalidOperationException: Writing is not allowed after writer was completed.
  6183.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  6184.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6185.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6186.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  6187. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  6188.       Failed writing message. Aborting connection.
  6189. System.InvalidOperationException: Writing is not allowed after writer was completed.
  6190.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  6191.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6192.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6193.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  6194. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  6195.       Failed writing message. Aborting connection.
  6196. System.InvalidOperationException: Writing is not allowed after writer was completed.
  6197.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  6198.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6199.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6200.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  6201. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  6202.       Failed writing message. Aborting connection.
  6203. System.InvalidOperationException: Writing is not allowed after writer was completed.
  6204.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  6205.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6206.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6207.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  6208. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  6209.       Failed writing message. Aborting connection.
  6210. System.InvalidOperationException: Writing is not allowed after writer was completed.
  6211.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  6212.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6213.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6214.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  6215. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  6216.       Failed writing message. Aborting connection.
  6217. System.InvalidOperationException: Writing is not allowed after writer was completed.
  6218.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  6219.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6220.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6221.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  6222. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  6223.       Failed writing message. Aborting connection.
  6224. System.InvalidOperationException: Writing is not allowed after writer was completed.
  6225.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  6226.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6227.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6228.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  6229. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  6230.       Failed writing message. Aborting connection.
  6231. System.InvalidOperationException: Writing is not allowed after writer was completed.
  6232.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  6233.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6234.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6235.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  6236. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  6237.       Failed writing message. Aborting connection.
  6238. System.InvalidOperationException: Writing is not allowed after writer was completed.
  6239.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  6240.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6241.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6242.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  6243. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  6244.       Failed writing message. Aborting connection.
  6245. System.InvalidOperationException: Writing is not allowed after writer was completed.
  6246.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  6247.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6248.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6249.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  6250. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  6251.       Failed writing message. Aborting connection.
  6252. System.InvalidOperationException: Writing is not allowed after writer was completed.
  6253.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  6254.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6255.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6256.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  6257. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  6258.       Failed writing message. Aborting connection.
  6259. System.InvalidOperationException: Writing is not allowed after writer was completed.
  6260.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  6261.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6262.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6263.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  6264. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  6265.       Failed writing message. Aborting connection.
  6266. System.InvalidOperationException: Writing is not allowed after writer was completed.
  6267.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  6268.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6269.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6270.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  6271. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  6272.       Failed writing message. Aborting connection.
  6273. System.InvalidOperationException: Writing is not allowed after writer was completed.
  6274.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  6275.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6276.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6277.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  6278. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  6279.       Failed writing message. Aborting connection.
  6280. System.InvalidOperationException: Writing is not allowed after writer was completed.
  6281.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  6282.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6283.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6284.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  6285. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  6286.       Failed writing message. Aborting connection.
  6287. System.InvalidOperationException: Writing is not allowed after writer was completed.
  6288.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  6289.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6290.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6291.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  6292. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  6293.       Failed writing message. Aborting connection.
  6294. System.InvalidOperationException: Writing is not allowed after writer was completed.
  6295.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  6296.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6297.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6298.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  6299. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  6300.       Failed writing message. Aborting connection.
  6301. System.InvalidOperationException: Writing is not allowed after writer was completed.
  6302.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  6303.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6304.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6305.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  6306. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  6307.       Failed writing message. Aborting connection.
  6308. System.InvalidOperationException: Writing is not allowed after writer was completed.
  6309.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  6310.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6311.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6312.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  6313. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  6314.       Failed writing message. Aborting connection.
  6315. System.InvalidOperationException: Writing is not allowed after writer was completed.
  6316.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  6317.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6318.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6319.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  6320. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  6321.       Failed writing message. Aborting connection.
  6322. System.InvalidOperationException: Writing is not allowed after writer was completed.
  6323.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  6324.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6325.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6326.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  6327. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  6328.       Failed writing message. Aborting connection.
  6329. System.InvalidOperationException: Writing is not allowed after writer was completed.
  6330.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  6331.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6332.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6333.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  6334. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  6335.       Failed writing message. Aborting connection.
  6336. System.InvalidOperationException: Writing is not allowed after writer was completed.
  6337.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  6338.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6339.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6340.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  6341. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  6342.       Failed writing message. Aborting connection.
  6343. System.InvalidOperationException: Writing is not allowed after writer was completed.
  6344.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  6345.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6346.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6347.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  6348. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  6349.       Failed writing message. Aborting connection.
  6350. System.InvalidOperationException: Writing is not allowed after writer was completed.
  6351.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  6352.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6353.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6354.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  6355. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  6356.       Failed writing message. Aborting connection.
  6357. System.InvalidOperationException: Writing is not allowed after writer was completed.
  6358.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  6359.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6360.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6361.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  6362. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  6363.       Failed writing message. Aborting connection.
  6364. System.InvalidOperationException: Writing is not allowed after writer was completed.
  6365.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  6366.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6367.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6368.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  6369. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  6370.       Failed writing message. Aborting connection.
  6371. System.InvalidOperationException: Writing is not allowed after writer was completed.
  6372.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  6373.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6374.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6375.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  6376. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  6377.       Failed writing message. Aborting connection.
  6378. System.InvalidOperationException: Writing is not allowed after writer was completed.
  6379.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  6380.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6381.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6382.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  6383. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  6384.       Failed writing message. Aborting connection.
  6385. System.InvalidOperationException: Writing is not allowed after writer was completed.
  6386.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  6387.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6388.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6389.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  6390. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  6391.       Failed writing message. Aborting connection.
  6392. System.InvalidOperationException: Writing is not allowed after writer was completed.
  6393.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  6394.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6395.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6396.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  6397. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  6398.       Failed writing message. Aborting connection.
  6399. System.InvalidOperationException: Writing is not allowed after writer was completed.
  6400.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  6401.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6402.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6403.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  6404. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  6405.       Failed writing message. Aborting connection.
  6406. System.InvalidOperationException: Writing is not allowed after writer was completed.
  6407.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  6408.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6409.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6410.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  6411. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  6412.       Failed writing message. Aborting connection.
  6413. System.InvalidOperationException: Writing is not allowed after writer was completed.
  6414.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  6415.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6416.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6417.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  6418. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  6419.       Failed writing message. Aborting connection.
  6420. System.InvalidOperationException: Writing is not allowed after writer was completed.
  6421.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  6422.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6423.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6424.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  6425. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  6426.       Failed writing message. Aborting connection.
  6427. System.InvalidOperationException: Writing is not allowed after writer was completed.
  6428.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  6429.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6430.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6431.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  6432. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  6433.       Failed writing message. Aborting connection.
  6434. System.InvalidOperationException: Writing is not allowed after writer was completed.
  6435.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  6436.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6437.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6438.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  6439. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  6440.       Failed writing message. Aborting connection.
  6441. System.InvalidOperationException: Writing is not allowed after writer was completed.
  6442.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  6443.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6444.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6445.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  6446. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  6447.       Failed writing message. Aborting connection.
  6448. System.InvalidOperationException: Writing is not allowed after writer was completed.
  6449.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  6450.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6451.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6452.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  6453. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  6454.       Failed writing message. Aborting connection.
  6455. System.InvalidOperationException: Writing is not allowed after writer was completed.
  6456.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  6457.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6458.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6459.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  6460. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  6461.       Failed writing message. Aborting connection.
  6462. System.InvalidOperationException: Writing is not allowed after writer was completed.
  6463.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  6464.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6465.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6466.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  6467. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  6468.       Failed writing message. Aborting connection.
  6469. System.InvalidOperationException: Writing is not allowed after writer was completed.
  6470.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  6471.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6472.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6473.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  6474. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  6475.       Failed writing message. Aborting connection.
  6476. System.InvalidOperationException: Writing is not allowed after writer was completed.
  6477.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  6478.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6479.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6480.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  6481. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  6482.       Failed writing message. Aborting connection.
  6483. System.InvalidOperationException: Writing is not allowed after writer was completed.
  6484.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  6485.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6486.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6487.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  6488. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  6489.       Failed writing message. Aborting connection.
  6490. System.InvalidOperationException: Writing is not allowed after writer was completed.
  6491.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  6492.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6493.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6494.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  6495. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  6496.       Failed writing message. Aborting connection.
  6497. System.InvalidOperationException: Writing is not allowed after writer was completed.
  6498.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  6499.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6500.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6501.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  6502. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  6503.       Failed writing message. Aborting connection.
  6504. System.InvalidOperationException: Writing is not allowed after writer was completed.
  6505.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  6506.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6507.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6508.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  6509. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  6510.       Failed writing message. Aborting connection.
  6511. System.InvalidOperationException: Writing is not allowed after writer was completed.
  6512.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  6513.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6514.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6515.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  6516. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  6517.       Failed writing message. Aborting connection.
  6518. System.InvalidOperationException: Writing is not allowed after writer was completed.
  6519.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  6520.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6521.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6522.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  6523. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  6524.       Failed writing message. Aborting connection.
  6525. System.InvalidOperationException: Writing is not allowed after writer was completed.
  6526.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  6527.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6528.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6529.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  6530. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  6531.       Failed writing message. Aborting connection.
  6532. System.InvalidOperationException: Writing is not allowed after writer was completed.
  6533.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  6534.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6535.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6536.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  6537. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  6538.       Failed writing message. Aborting connection.
  6539. System.InvalidOperationException: Writing is not allowed after writer was completed.
  6540.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  6541.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6542.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6543.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  6544. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  6545.       Failed writing message. Aborting connection.
  6546. System.InvalidOperationException: Writing is not allowed after writer was completed.
  6547.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  6548.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6549.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6550.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  6551. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  6552.       Failed writing message. Aborting connection.
  6553. System.InvalidOperationException: Writing is not allowed after writer was completed.
  6554.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  6555.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6556.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6557.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  6558. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  6559.       Failed writing message. Aborting connection.
  6560. System.InvalidOperationException: Writing is not allowed after writer was completed.
  6561.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  6562.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6563.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6564.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  6565. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  6566.       Failed writing message. Aborting connection.
  6567. System.InvalidOperationException: Writing is not allowed after writer was completed.
  6568.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  6569.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6570.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6571.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  6572. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  6573.       Failed writing message. Aborting connection.
  6574. System.InvalidOperationException: Writing is not allowed after writer was completed.
  6575.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  6576.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6577.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6578.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  6579. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  6580.       Failed writing message. Aborting connection.
  6581. System.InvalidOperationException: Writing is not allowed after writer was completed.
  6582.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  6583.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6584.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6585.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  6586. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  6587.       Failed writing message. Aborting connection.
  6588. System.InvalidOperationException: Writing is not allowed after writer was completed.
  6589.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  6590.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6591.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6592.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  6593. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  6594.       Failed writing message. Aborting connection.
  6595. System.InvalidOperationException: Writing is not allowed after writer was completed.
  6596.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  6597.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6598.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6599.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  6600. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  6601.       Failed writing message. Aborting connection.
  6602. System.InvalidOperationException: Writing is not allowed after writer was completed.
  6603.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  6604.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6605.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6606.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  6607. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  6608.       Failed writing message. Aborting connection.
  6609. System.InvalidOperationException: Writing is not allowed after writer was completed.
  6610.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  6611.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6612.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6613.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  6614. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  6615.       Failed writing message. Aborting connection.
  6616. System.InvalidOperationException: Writing is not allowed after writer was completed.
  6617.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  6618.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6619.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6620.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  6621. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  6622.       Failed writing message. Aborting connection.
  6623. System.InvalidOperationException: Writing is not allowed after writer was completed.
  6624.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  6625.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6626.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6627.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  6628. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  6629.       Failed writing message. Aborting connection.
  6630. System.InvalidOperationException: Writing is not allowed after writer was completed.
  6631.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  6632.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6633.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6634.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  6635. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  6636.       Failed writing message. Aborting connection.
  6637. System.InvalidOperationException: Writing is not allowed after writer was completed.
  6638.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  6639.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6640.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6641.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  6642. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  6643.       Failed writing message. Aborting connection.
  6644. System.InvalidOperationException: Writing is not allowed after writer was completed.
  6645.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  6646.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6647.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6648.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  6649. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  6650.       Failed writing message. Aborting connection.
  6651. System.InvalidOperationException: Writing is not allowed after writer was completed.
  6652.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  6653.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6654.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6655.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  6656. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  6657.       Failed writing message. Aborting connection.
  6658. System.InvalidOperationException: Writing is not allowed after writer was completed.
  6659.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  6660.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6661.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6662.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  6663. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  6664.       Failed writing message. Aborting connection.
  6665. System.InvalidOperationException: Writing is not allowed after writer was completed.
  6666.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  6667.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6668.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6669.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  6670. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  6671.       Failed writing message. Aborting connection.
  6672. System.InvalidOperationException: Writing is not allowed after writer was completed.
  6673.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  6674.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6675.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6676.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  6677. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  6678.       Failed writing message. Aborting connection.
  6679. System.InvalidOperationException: Writing is not allowed after writer was completed.
  6680.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  6681.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6682.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6683.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  6684. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  6685.       Failed writing message. Aborting connection.
  6686. System.InvalidOperationException: Writing is not allowed after writer was completed.
  6687.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  6688.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6689.    at System.IO.Pipelines.Pipe.DefaultPipeWriter.WriteAsync(ReadOnlyMemory`1 source, CancellationToken cancellationToken)
  6690.    at Microsoft.AspNetCore.SignalR.HubConnectionContext.TryWritePingSlowAsync() in /aspnetcore/src/SignalR/server/Core/src/HubConnectionContext.cs:line 301
  6691. fail: Microsoft.AspNetCore.SignalR.HubConnectionContext[6]
  6692.       Failed writing message. Aborting connection.
  6693. System.InvalidOperationException: Writing is not allowed after writer was completed.
  6694.    at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_NoWritingAllowed()
  6695.    at System.IO.Pipelines.Pipe.WriteAsync(ReadOnlyMemory`1 sou