Using Kestrel server with SignalR client causes hanging requests

[LeNitrous]

Is there an existing issue for this?

• I have searched the existing issues

Describe the bug

When running a Kestrel server with Signal R client as a package dependency, it will run successfully and is listening at the provided URL given. However, requests will hang and an exception will be thrown when a shutdown has been called.

Expected Behavior

The Kestrel server should accept incoming requests and should not throw when shutting down.

Steps To Reproduce

1. Create a new console project
2. Add the following dependencies:

<PackageReference Include="Microsoft.AspNetCore.Hosting" Version="2.2.0" />
<PackageReference Include="Microsoft.AspNetCore.Http.Features" Version="2.2.0" />
<PackageReference Include="Microsoft.AspNetCore.Server.Kestrel" Version="2.2.0" />
<PackageReference Include="Microsoft.AspNetCore.SignalR.Client" Version="6.0.3" />

3. Build a web host and run it.

Minimal reproduction repository: https://github.com/LeNitrous/kestrel-server-signalr-client-repro

Exceptions (if any)

Unhandled exception. System.TypeLoadException: Method 'get_Features' in type 'Microsoft.AspNetCore.Server.Kestrel.Transport.Sockets.Internal.SocketConnection' from assembly 'Microsoft.AspNetCore.Server.Kestrel.Transport.Sockets, Version=2.2.0.0, Culture=neutral, PublicKeyToken=adb9793829ddae60' does not have an implementation.
   at Microsoft.AspNetCore.Server.Kestrel.Transport.Sockets.SocketTransport.RunAcceptLoopAsync()
   at System.Runtime.CompilerServices.AsyncMethodBuilderCore.Start[TStateMachine](TStateMachine& stateMachine)
   at Microsoft.AspNetCore.Server.Kestrel.Transport.Sockets.SocketTransport.RunAcceptLoopAsync()
   at Microsoft.AspNetCore.Server.Kestrel.Transport.Sockets.SocketTransport.<BindAsync>b__13_0()
   at System.Threading.Tasks.Task`1.InnerInvoke()
   at System.Threading.Tasks.Task.<>c.<.cctor>b__272_0(Object obj)
   at System.Threading.ExecutionContext.RunFromThreadPoolDispatchLoop(Thread threadPoolThread, ExecutionContext executionContext, ContextCallback callback, Object state)
--- End of stack trace from previous location ---
   at System.Threading.ExecutionContext.RunFromThreadPoolDispatchLoop(Thread threadPoolThread, ExecutionContext executionContext, ContextCallback callback, Object state)
   at System.Threading.Tasks.Task.ExecuteWithThreadLocal(Task& currentTaskSlot, Thread threadPoolThread)
--- End of stack trace from previous location ---
   at Microsoft.AspNetCore.Server.Kestrel.Transport.Sockets.SocketTransport.UnbindAsync()
   at Microsoft.AspNetCore.Server.Kestrel.Core.KestrelServer.StopAsync(CancellationToken cancellationToken)
   at Microsoft.AspNetCore.Server.Kestrel.Core.KestrelServer.StopAsync(CancellationToken cancellationToken)
   at Microsoft.AspNetCore.Server.Kestrel.Core.KestrelServer.Dispose()
   at Microsoft.Extensions.DependencyInjection.ServiceLookup.ServiceProviderEngineScope.Dispose()
   at Microsoft.Extensions.DependencyInjection.ServiceProvider.Dispose()
   at Microsoft.AspNetCore.Hosting.Internal.WebHost.Dispose()
   at Microsoft.AspNetCore.Hosting.WebHostExtensions.RunAsync(IWebHost host, CancellationToken token, String shutdownMessage)
   at Microsoft.AspNetCore.Hosting.WebHostExtensions.RunAsync(IWebHost host, CancellationToken token)
   at Microsoft.AspNetCore.Hosting.WebHostExtensions.Run(IWebHost host)
   at Program.<Main>$(String[] args) in D:\Projects\kestrel-test\KestrelTest\Program.cs:line 18

.NET Version

6.0.202

Anything else?

• ASP.NET Core version: 6.0.4
• Visual Studio Code version: 1.67.0

.NET SDK (reflecting any global.json):
 Version:   6.0.202
 Commit:    f8a55617d2

Runtime Environment:
 OS Name:     Windows
 OS Version:  10.0.22610
 OS Platform: Windows
 RID:         win10-x64
 Base Path:   C:\Program Files\dotnet\sdk\6.0.202\

Host (useful for support):
  Version: 6.0.4
  Commit:  be98e88c76

.NET SDKs installed:
  5.0.210 [C:\Program Files\dotnet\sdk]
  6.0.101 [C:\Program Files\dotnet\sdk]
  6.0.201 [C:\Program Files\dotnet\sdk]
  6.0.202 [C:\Program Files\dotnet\sdk]

.NET runtimes installed:
  Microsoft.AspNetCore.App 5.0.13 [C:\Program Files\dotnet\shared\Microsoft.AspNetCore.App]
  Microsoft.AspNetCore.App 5.0.15 [C:\Program Files\dotnet\shared\Microsoft.AspNetCore.App]
  Microsoft.AspNetCore.App 6.0.1 [C:\Program Files\dotnet\shared\Microsoft.AspNetCore.App]
  Microsoft.AspNetCore.App 6.0.3 [C:\Program Files\dotnet\shared\Microsoft.AspNetCore.App]
  Microsoft.AspNetCore.App 6.0.4 [C:\Program Files\dotnet\shared\Microsoft.AspNetCore.App]
  Microsoft.NETCore.App 3.1.23 [C:\Program Files\dotnet\shared\Microsoft.NETCore.App]
  Microsoft.NETCore.App 5.0.13 [C:\Program Files\dotnet\shared\Microsoft.NETCore.App]
  Microsoft.NETCore.App 5.0.14 [C:\Program Files\dotnet\shared\Microsoft.NETCore.App]
  Microsoft.NETCore.App 5.0.15 [C:\Program Files\dotnet\shared\Microsoft.NETCore.App]
  Microsoft.NETCore.App 6.0.1 [C:\Program Files\dotnet\shared\Microsoft.NETCore.App]
  Microsoft.NETCore.App 6.0.2 [C:\Program Files\dotnet\shared\Microsoft.NETCore.App]
  Microsoft.NETCore.App 6.0.3 [C:\Program Files\dotnet\shared\Microsoft.NETCore.App]
  Microsoft.NETCore.App 6.0.4 [C:\Program Files\dotnet\shared\Microsoft.NETCore.App]
  Microsoft.WindowsDesktop.App 3.1.23 [C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App]
  Microsoft.WindowsDesktop.App 5.0.13 [C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App]
  Microsoft.WindowsDesktop.App 5.0.14 [C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App]
  Microsoft.WindowsDesktop.App 5.0.15 [C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App]
  Microsoft.WindowsDesktop.App 6.0.1 [C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App]
  Microsoft.WindowsDesktop.App 6.0.2 [C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App]
  Microsoft.WindowsDesktop.App 6.0.3 [C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App]
  Microsoft.WindowsDesktop.App 6.0.4 [C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App]

[davidfowl]

This is an issue but it isn't something that's going to be fixed. Those libraries are incompatible so it likely fails in unexpected places and logs (like the above).

One thing we might consider doing though is updating the 2.x packages to have a upper bounds on their dependencies. This would cause nuget restore to fail.

cc @Pilchie

[Pilchie]

2.2 packages have been out of support since December of 2019. We won't be re-shipping those packages. However, we are working on marking outdated packages as deprecated in NuGet. See dotnet/core#7420 for details of that proposal.

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