Quarantined test ThrowingSynchronousConnectionMiddlewareDoesNotCrashServer

[pranavkm]

Assert.Throws() Failure
Expected: typeof(System.IO.IOException)
Actual:   typeof(System.Net.NetworkException): The connection was aborted by the local host.
---- System.Net.NetworkException : The connection was aborted by the local host.
-------- System.Net.Sockets.SocketException : An established connection was aborted by the software in your host machine.

at System.IO.StreamWriter.FlushAsyncInternal(StreamWriter _this, Boolean flushStream, Boolean flushEncoder, Char[] charBuffer, Int32 charPos, Boolean haveWrittenPreamble, Encoding encoding, Encoder encoder, Byte[] byteBuffer, Stream stream, CancellationToken cancellationToken)
   at Microsoft.AspNetCore.Testing.StreamBackedTestConnection.Send(String[] lines) in /_/src/Servers/Kestrel/shared/test/StreamBackedTestConnection.cs:line 85
   at Microsoft.AspNetCore.Server.Kestrel.FunctionalTests.ConnectionMiddlewareTests.<>c__DisplayClass0_0.<<ThrowingSynchronousConnectionMiddlewareDoesNotCrashServer>b__2>d.MoveNext() in /_/src/Servers/Kestrel/test/FunctionalTests/ConnectionMiddlewareTests.cs:line 39
--- End of stack trace from previous location ---
----- Inner Stack Trace -----
   at System.IO.StreamWriter.FlushAsyncInternal(StreamWriter _this, Boolean flushStream, Boolean flushEncoder, Char[] charBuffer, Int32 charPos, Boolean haveWrittenPreamble, Encoding encoding, Encoder encoder, Byte[] byteBuffer, Stream stream, CancellationToken cancellationToken)
   at Microsoft.AspNetCore.Testing.StreamBackedTestConnection.Send(String[] lines) in /_/src/Servers/Kestrel/shared/test/StreamBackedTestConnection.cs:line 85
   at Microsoft.AspNetCore.Server.Kestrel.FunctionalTests.ConnectionMiddlewareTests.<>c__DisplayClass0_0.<<ThrowingSynchronousConnectionMiddlewareDoesNotCrashServer>b__2>d.MoveNext() in /_/src/Servers/Kestrel/test/FunctionalTests/ConnectionMiddlewareTests.cs:line 39
--- End of stack trace from previous location ---
----- Inner Stack Trace -----
   at System.Net.Sockets.Socket.AwaitableSocketAsyncEventArgs.CreateException(SocketError error, Boolean forAsyncThrow)
   at System.Net.Sockets.Socket.AwaitableSocketAsyncEventArgs.SendAsyncForNetworkStream(Socket socket, CancellationToken cancellationToken)
   at System.Net.Sockets.Socket.SendAsyncForNetworkStream(ReadOnlyMemory`1 buffer, SocketFlags socketFlags, CancellationToken cancellationToken)
   at System.Net.Sockets.NetworkStream.WriteAsync(ReadOnlyMemory`1 buffer, CancellationToken cancellationToken)
   at System.IO.StreamWriter.FlushAsyncInternal(StreamWriter _this, Boolean flushStream, Boolean flushEncoder, Char[] charBuffer, Int32 charPos, Boolean haveWrittenPreamble, Encoding encoding, Encoder encoder, Byte[] byteBuffer, Stream stream, CancellationToken cancellationToken)
   at System.Runtime.CompilerServices.AsyncMethodBuilderCore.Start[TStateMachine](TStateMachine& stateMachine)
   at System.IO.StreamWriter.FlushAsyncInternal(StreamWriter _this, Boolean flushStream, Boolean flushEncoder, Char[] charBuffer, Int32 charPos, Boolean haveWrittenPreamble, Encoding encoding, Encoder encoder, Byte[] byteBuffer, Stream stream, CancellationToken cancellationToken)
   at System.IO.StreamWriter.FlushAsyncInternal(Boolean flushStream, Boolean flushEncoder, Char[] sCharBuffer, Int32 sCharPos, CancellationToken cancellationToken)
   at System.IO.StreamWriter.FlushAsync()
   at Microsoft.AspNetCore.Testing.StreamBackedTestConnection.Send(String[] lines) in /_/src/Servers/Kestrel/shared/test/StreamBackedTestConnection.cs:line 85
   at System.Runtime.CompilerServices.AsyncMethodBuilderCore.Start[TStateMachine](TStateMachine& stateMachine)
   at Microsoft.AspNetCore.Testing.StreamBackedTestConnection.Send(String[] lines)
   at Microsoft.AspNetCore.Server.Kestrel.FunctionalTests.ConnectionMiddlewareTests.<>c__DisplayClass0_0.<<ThrowingSynchronousConnectionMiddlewareDoesNotCrashServer>b__2>d.MoveNext() in /_/src/Servers/Kestrel/test/FunctionalTests/ConnectionMiddlewareTests.cs:line 39
   at System.Runtime.CompilerServices.AsyncTaskMethodBuilder`1.AsyncStateMachineBox`1.ExecutionContextCallback(Object s)
   at System.Threading.ExecutionContext.RunInternal(ExecutionContext executionContext, ContextCallback callback, Object state)
   at System.Runtime.CompilerServices.AsyncTaskMethodBuilder`1.AsyncStateMachineBox`1.MoveNext(Thread threadPoolThread)
   at System.Runtime.CompilerServices.Asyn

[pranavkm]

FYI @halter73. This one looks a a straight up failure given that it failed on all 3 platforms

[pranavkm]

This was a runtime change that was resolved as part of #24757

[ryanbrandenburg]

@pranavkm it looks like this is still happening, what specifically about the PR you link was supposed to have fixed it?

[pranavkm]

@ryanbrandenburg these changes: https://github.com/dotnet/aspnetcore/pull/24757/files#diff-2524881202d6d65eedbddb9171f29556R323, https://github.com/dotnet/aspnetcore/pull/24757/files#diff-70660aa1127d7163dfa8a77c8ab7fcbeR30

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We're moving this issue to the Next sprint planning milestone for future evaluation / consideration. We will evaluate the request when we are planning the work for the next milestone. To learn more about what to expect next and how this issue will be handled you can read more about our triage process here.

[BrennanConroy]

This doesn't seem to be an issue anymore.