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System.MissingMethodException: Method 'System.Net.ServicePointManager.CloseConnectionGroups' not found. #6554
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It looks like a problem with the .NET Core sdk installation.
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Prerequisites:
dotnet --info
.NET Core SDK (reflecting any global.json):
Version: 2.1.403
Commit: 04e15494b6
Runtime Environment:
OS Name: debian
OS Version: 9
OS Platform: Linux
RID: debian.9-x64
Base Path: /usr/share/dotnet/sdk/2.1.403/
Host (useful for support):
Version: 2.1.5
Commit: 290303f510
.NET Core SDKs installed:
2.1.403 [/usr/share/dotnet/sdk]
.NET Core runtimes installed:
Microsoft.AspNetCore.All 2.1.5 [/usr/share/dotnet/shared/Microsoft.AspNetCore.All]
Microsoft.AspNetCore.App 2.1.5 [/usr/share/dotnet/shared/Microsoft.AspNetCore.App]
Microsoft.NETCore.App 2.1.5 [/usr/share/dotnet/shared/Microsoft.NETCore.App]
Copied information from Mono info:
=== MonoDevelop ===
Version 7.3.3 (build 5)
Installation UUID: 222bf352-11b6-48c3-ada3-deee1a8dbf1d
Runtime:
Mono 5.4.1 ((HEAD/e66d9ab Fri Jan 12 18:41:48 UTC 2018) (64-bit)
GTK+ 2.24.29 (Adwaita theme)
=== NuGet ===
Version: 4.3.1.4445
=== .NET Core ===
Runtime: Not installed
SDK: Not installed
MSBuild SDKs: /app/lib/mono/msbuild/15.0/bin/Sdks
=== Build Information ===
Release ID: 703030005
Git revision: b1c2982
Build date: 2018-01-12 19:18:51+00
=== Operating System ===
Linux
Linux 4.9.0-3-amd64 #1 SMP Debian 4.9.30-2+deb9u5 (2017-09-19) x86_64
Exception:
[ERROR] FATAL UNHANDLED EXCEPTION: System.AggregateException: One or more errors occurred. ---> System.MissingMethodException: Method 'System.Net.ServicePointManager.CloseConnectionGroups' not found.
at System.Net.Http.HttpMessageHandler.Dispose () [0x00000] in <8e2f55f3d010417ba74221386eddd388>:0
at System.Net.Http.DelegatingHandler.Dispose (System.Boolean disposing) [0x0001e] in <8e2f55f3d010417ba74221386eddd388>:0
at System.Net.Http.HttpMessageHandler.Dispose () [0x00000] in <8e2f55f3d010417ba74221386eddd388>:0
at System.Net.Http.DelegatingHandler.Dispose (System.Boolean disposing) [0x0001e] in <8e2f55f3d010417ba74221386eddd388>:0
at System.Net.Http.HttpMessageHandler.Dispose () [0x00000] in <8e2f55f3d010417ba74221386eddd388>:0
at System.Net.Http.HttpMessageInvoker.Dispose (System.Boolean disposing) [0x0001e] in <8e2f55f3d010417ba74221386eddd388>:0
at System.Net.Http.HttpClient.Dispose (System.Boolean disposing) [0x0002c] in <8e2f55f3d010417ba74221386eddd388>:0
at System.Net.Http.HttpMessageInvoker.Dispose () [0x00000] in <8e2f55f3d010417ba74221386eddd388>:0
at Microsoft.AspNetCore.Http.Connections.Client.HttpConnection+d__43.MoveNext () [0x00140] in :0
--- End of stack trace from previous location where exception was thrown ---
at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw () [0x0000c] in /run/build/mono/mcs/class/referencesource/mscorlib/system/runtime/exceptionservices/exceptionservicescommon.cs:152
at System.Runtime.CompilerServices.TaskAwaiter.ThrowForNonSuccess (System.Threading.Tasks.Task task) [0x00037] in /run/build/mono/mcs/class/referencesource/mscorlib/system/runtime/compilerservices/TaskAwaiter.cs:187
at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification (System.Threading.Tasks.Task task) [0x00028] in /run/build/mono/mcs/class/referencesource/mscorlib/system/runtime/compilerservices/TaskAwaiter.cs:156
at System.Runtime.CompilerServices.TaskAwaiter.ValidateEnd (System.Threading.Tasks.Task task) [0x00008] in /run/build/mono/mcs/class/referencesource/mscorlib/system/runtime/compilerservices/TaskAwaiter.cs:128
at System.Runtime.CompilerServices.TaskAwaiter.GetResult () [0x00000] in /run/build/mono/mcs/class/referencesource/mscorlib/system/runtime/compilerservices/TaskAwaiter.cs:113
at System.Threading.Tasks.ForceAsyncAwaiter.GetResult () [0x0000c] in :0
at Microsoft.AspNetCore.Http.Connections.Client.HttpConnection+d__42.MoveNext () [0x0006a] in :0
--- End of stack trace from previous location where exception was thrown ---
at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw () [0x0000c] in /run/build/mono/mcs/class/referencesource/mscorlib/system/runtime/exceptionservices/exceptionservicescommon.cs:152
at System.Runtime.CompilerServices.TaskAwaiter.ThrowForNonSuccess (System.Threading.Tasks.Task task) [0x00037] in /run/build/mono/mcs/class/referencesource/mscorlib/system/runtime/compilerservices/TaskAwaiter.cs:187
at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification (System.Threading.Tasks.Task task) [0x00028] in /run/build/mono/mcs/class/referencesource/mscorlib/system/runtime/compilerservices/TaskAwaiter.cs:156
at System.Runtime.CompilerServices.TaskAwaiter.ValidateEnd (System.Threading.Tasks.Task task) [0x00008] in /run/build/mono/mcs/class/referencesource/mscorlib/system/runtime/compilerservices/TaskAwaiter.cs:128
at System.Runtime.CompilerServices.TaskAwaiter.GetResult () [0x00000] in /run/build/mono/mcs/class/referencesource/mscorlib/system/runtime/compilerservices/TaskAwaiter.cs:113
at Microsoft.AspNetCore.SignalR.Client.HttpConnectionFactory+d__3.MoveNext () [0x00121] in <9c8319c00fd84c54a76335556c8ac52d>:0
--- End of stack trace from previous location where exception was thrown ---
at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw () [0x0000c] in /run/build/mono/mcs/class/referencesource/mscorlib/system/runtime/exceptionservices/exceptionservicescommon.cs:152
at System.Runtime.CompilerServices.TaskAwaiter.ThrowForNonSuccess (System.Threading.Tasks.Task task) [0x00037] in /run/build/mono/mcs/class/referencesource/mscorlib/system/runtime/compilerservices/TaskAwaiter.cs:187
at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification (System.Threading.Tasks.Task task) [0x00028] in /run/build/mono/mcs/class/referencesource/mscorlib/system/runtime/compilerservices/TaskAwaiter.cs:156
at System.Runtime.CompilerServices.TaskAwaiter.ValidateEnd (System.Threading.Tasks.Task task) [0x00008] in /run/build/mono/mcs/class/referencesource/mscorlib/system/runtime/compilerservices/TaskAwaiter.cs:128
at System.Runtime.CompilerServices.TaskAwaiter
1[TResult].GetResult () [0x00000] in /run/build/mono/mcs/class/referencesource/mscorlib/system/runtime/compilerservices/TaskAwaiter.cs:357 at Microsoft.AspNetCore.SignalR.Client.HubConnection+<StartAsyncCore>d__31.MoveNext () [0x00130] in <d63a12cba2854e5f913565673038699b>:0 --- End of stack trace from previous location where exception was thrown --- at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw () [0x0000c] in /run/build/mono/mcs/class/referencesource/mscorlib/system/runtime/exceptionservices/exceptionservicescommon.cs:152 at System.Runtime.CompilerServices.TaskAwaiter.ThrowForNonSuccess (System.Threading.Tasks.Task task) [0x00037] in /run/build/mono/mcs/class/referencesource/mscorlib/system/runtime/compilerservices/TaskAwaiter.cs:187 at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification (System.Threading.Tasks.Task task) [0x00028] in /run/build/mono/mcs/class/referencesource/mscorlib/system/runtime/compilerservices/TaskAwaiter.cs:156 at System.Runtime.CompilerServices.TaskAwaiter.ValidateEnd (System.Threading.Tasks.Task task) [0x00008] in /run/build/mono/mcs/class/referencesource/mscorlib/system/runtime/compilerservices/TaskAwaiter.cs:128 at System.Runtime.CompilerServices.TaskAwaiter.GetResult () [0x00000] in /run/build/mono/mcs/class/referencesource/mscorlib/system/runtime/compilerservices/TaskAwaiter.cs:113 at System.Threading.Tasks.ForceAsyncAwaiter.GetResult () [0x0000c] in <d63a12cba2854e5f913565673038699b>:0 at Microsoft.AspNetCore.SignalR.Client.HubConnection+<StartAsync>d__24.MoveNext () [0x00076] in <d63a12cba2854e5f913565673038699b>:0 --- End of inner exception stack trace --- at System.Threading.Tasks.Task.ThrowIfExceptional (System.Boolean includeTaskCanceledExceptions) [0x00011] in /run/build/mono/mcs/class/referencesource/mscorlib/system/threading/Tasks/Task.cs:2157 at System.Threading.Tasks.Task.Wait (System.Int32 millisecondsTimeout, System.Threading.CancellationToken cancellationToken) [0x00043] in /run/build/mono/mcs/class/referencesource/mscorlib/system/threading/Tasks/Task.cs:3189 at System.Threading.Tasks.Task.Wait () [0x00000] in /run/build/mono/mcs/class/referencesource/mscorlib/system/threading/Tasks/Task.cs:3054 at ConsoleClient.Program.Main () [0x0004b] in /home/dmitry/Development/api-gatecoin-dotnet/ConsoleClient/Program.cs:27 ---> (Inner Exception #0) System.MissingMethodException: Method 'System.Net.ServicePointManager.CloseConnectionGroups' not found. at System.Net.Http.HttpMessageHandler.Dispose () [0x00000] in <8e2f55f3d010417ba74221386eddd388>:0 at System.Net.Http.DelegatingHandler.Dispose (System.Boolean disposing) [0x0001e] in <8e2f55f3d010417ba74221386eddd388>:0 at System.Net.Http.HttpMessageHandler.Dispose () [0x00000] in <8e2f55f3d010417ba74221386eddd388>:0 at System.Net.Http.DelegatingHandler.Dispose (System.Boolean disposing) [0x0001e] in <8e2f55f3d010417ba74221386eddd388>:0 at System.Net.Http.HttpMessageHandler.Dispose () [0x00000] in <8e2f55f3d010417ba74221386eddd388>:0 at System.Net.Http.HttpMessageInvoker.Dispose (System.Boolean disposing) [0x0001e] in <8e2f55f3d010417ba74221386eddd388>:0 at System.Net.Http.HttpClient.Dispose (System.Boolean disposing) [0x0002c] in <8e2f55f3d010417ba74221386eddd388>:0 at System.Net.Http.HttpMessageInvoker.Dispose () [0x00000] in <8e2f55f3d010417ba74221386eddd388>:0 at Microsoft.AspNetCore.Http.Connections.Client.HttpConnection+<DisposeAsyncCore>d__43.MoveNext () [0x00140] in <ffcbed77f30e46b3ba7738535fc569e7>:0 --- End of stack trace from previous location where exception was thrown --- at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw () [0x0000c] in /run/build/mono/mcs/class/referencesource/mscorlib/system/runtime/exceptionservices/exceptionservicescommon.cs:152 at System.Runtime.CompilerServices.TaskAwaiter.ThrowForNonSuccess (System.Threading.Tasks.Task task) [0x00037] in /run/build/mono/mcs/class/referencesource/mscorlib/system/runtime/compilerservices/TaskAwaiter.cs:187 at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification (System.Threading.Tasks.Task task) [0x00028] in /run/build/mono/mcs/class/referencesource/mscorlib/system/runtime/compilerservices/TaskAwaiter.cs:156 at System.Runtime.CompilerServices.TaskAwaiter.ValidateEnd (System.Threading.Tasks.Task task) [0x00008] in /run/build/mono/mcs/class/referencesource/mscorlib/system/runtime/compilerservices/TaskAwaiter.cs:128 at System.Runtime.CompilerServices.TaskAwaiter.GetResult () [0x00000] in /run/build/mono/mcs/class/referencesource/mscorlib/system/runtime/compilerservices/TaskAwaiter.cs:113 at System.Threading.Tasks.ForceAsyncAwaiter.GetResult () [0x0000c] in <ffcbed77f30e46b3ba7738535fc569e7>:0 at Microsoft.AspNetCore.Http.Connections.Client.HttpConnection+<DisposeAsync>d__42.MoveNext () [0x0006a] in <ffcbed77f30e46b3ba7738535fc569e7>:0 --- End of stack trace from previous location where exception was thrown --- at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw () [0x0000c] in /run/build/mono/mcs/class/referencesource/mscorlib/system/runtime/exceptionservices/exceptionservicescommon.cs:152 at System.Runtime.CompilerServices.TaskAwaiter.ThrowForNonSuccess (System.Threading.Tasks.Task task) [0x00037] in /run/build/mono/mcs/class/referencesource/mscorlib/system/runtime/compilerservices/TaskAwaiter.cs:187 at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification (System.Threading.Tasks.Task task) [0x00028] in /run/build/mono/mcs/class/referencesource/mscorlib/system/runtime/compilerservices/TaskAwaiter.cs:156 at System.Runtime.CompilerServices.TaskAwaiter.ValidateEnd (System.Threading.Tasks.Task task) [0x00008] in /run/build/mono/mcs/class/referencesource/mscorlib/system/runtime/compilerservices/TaskAwaiter.cs:128 at System.Runtime.CompilerServices.TaskAwaiter.GetResult () [0x00000] in /run/build/mono/mcs/class/referencesource/mscorlib/system/runtime/compilerservices/TaskAwaiter.cs:113 at Microsoft.AspNetCore.SignalR.Client.HttpConnectionFactory+<ConnectAsync>d__3.MoveNext () [0x00121] in <9c8319c00fd84c54a76335556c8ac52d>:0 --- End of stack trace from previous location where exception was thrown --- at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw () [0x0000c] in /run/build/mono/mcs/class/referencesource/mscorlib/system/runtime/exceptionservices/exceptionservicescommon.cs:152 at System.Runtime.CompilerServices.TaskAwaiter.ThrowForNonSuccess (System.Threading.Tasks.Task task) [0x00037] in /run/build/mono/mcs/class/referencesource/mscorlib/system/runtime/compilerservices/TaskAwaiter.cs:187 at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification (System.Threading.Tasks.Task task) [0x00028] in /run/build/mono/mcs/class/referencesource/mscorlib/system/runtime/compilerservices/TaskAwaiter.cs:156 at System.Runtime.CompilerServices.TaskAwaiter.ValidateEnd (System.Threading.Tasks.Task task) [0x00008] in /run/build/mono/mcs/class/referencesource/mscorlib/system/runtime/compilerservices/TaskAwaiter.cs:128 at System.Runtime.CompilerServices.TaskAwaiter1[TResult].GetResult () [0x00000] in /run/build/mono/mcs/class/referencesource/mscorlib/system/runtime/compilerservices/TaskAwaiter.cs:357at Microsoft.AspNetCore.SignalR.Client.HubConnection+d__31.MoveNext () [0x00130] in :0
--- End of stack trace from previous location where exception was thrown ---
at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw () [0x0000c] in /run/build/mono/mcs/class/referencesource/mscorlib/system/runtime/exceptionservices/exceptionservicescommon.cs:152
at System.Runtime.CompilerServices.TaskAwaiter.ThrowForNonSuccess (System.Threading.Tasks.Task task) [0x00037] in /run/build/mono/mcs/class/referencesource/mscorlib/system/runtime/compilerservices/TaskAwaiter.cs:187
at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification (System.Threading.Tasks.Task task) [0x00028] in /run/build/mono/mcs/class/referencesource/mscorlib/system/runtime/compilerservices/TaskAwaiter.cs:156
at System.Runtime.CompilerServices.TaskAwaiter.ValidateEnd (System.Threading.Tasks.Task task) [0x00008] in /run/build/mono/mcs/class/referencesource/mscorlib/system/runtime/compilerservices/TaskAwaiter.cs:128
at System.Runtime.CompilerServices.TaskAwaiter.GetResult () [0x00000] in /run/build/mono/mcs/class/referencesource/mscorlib/system/runtime/compilerservices/TaskAwaiter.cs:113
at System.Threading.Tasks.ForceAsyncAwaiter.GetResult () [0x0000c] in :0
at Microsoft.AspNetCore.SignalR.Client.HubConnection+d__24.MoveNext () [0x00076] in :0 <---
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