Test failure: System.Net.Http.Functional.Tests.HttpClientTest.Send_TimeoutRequestContent_Throws #39056

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1. v-haren

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6. stephentoub commented on Jul 10, 2020

   

   stephentoub

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   cc: @ManickaP
7. ManickaP

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   test-bugProblem in test source code (most likely)Problem in test source code (most likely)

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9. ManickaP

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10. karelz

    modified the milestones: 5.0.0, Future on Jul 28, 2020
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    ManickaP

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    disabled-testThe test is disabled in source code against the issueThe test is disabled in source code against the issue

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13. v-haren commented on Jul 29, 2020

    

    v-haren

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    failed again in job: runtime-libraries outerloop 20200728.3

    failed test: System.Net.Http.Functional.Tests.HttpClientTest.Send_TimeoutRequestContent_Throws

    Error message

    Assert.Throws() Failure
    Expected: typeof(System.Threading.Tasks.TaskCanceledException)
    Actual:   typeof(System.Net.Http.HttpRequestException): Error while copying content to a stream.
    ---- System.Net.Http.HttpRequestException : Error while copying content to a stream.
    -------- System.IO.IOException : Unable to write data to the transport connection: An established connection was aborted by the software in your host machine..
    ------------ System.Net.Sockets.SocketException : An established connection was aborted by the software in your host machine.
    
    
    Stack trace
       at System.Net.Http.HttpContent.CopyTo(Stream stream, TransportContext context, CancellationToken cancellationToken) in /_/src/libraries/System.Net.Http/src/System/Net/Http/HttpContent.cs:line 386
       at System.Net.Http.HttpConnection.SendRequestContentAsync(HttpRequestMessage request, HttpContentWriteStream stream, Boolean async, CancellationToken cancellationToken) in /_/src/libraries/System.Net.Http/src/System/Net/Http/SocketsHttpHandler/HttpConnection.cs:line 793
       at System.Net.Http.HttpConnection.SendAsyncCore(HttpRequestMessage request, Boolean async, CancellationToken cancellationToken) in /_/src/libraries/System.Net.Http/src/System/Net/Http/SocketsHttpHandler/HttpConnection.cs:line 446
       at System.Net.Http.HttpConnectionPool.SendWithRetryAsync(HttpRequestMessage request, Boolean async, Boolean doRequestAuth, CancellationToken cancellationToken) in /_/src/libraries/System.Net.Http/src/System/Net/Http/SocketsHttpHandler/HttpConnectionPool.cs:line 792
       at System.Net.Http.RedirectHandler.SendAsync(HttpRequestMessage request, Boolean async, CancellationToken cancellationToken) in /_/src/libraries/System.Net.Http/src/System/Net/Http/SocketsHttpHandler/RedirectHandler.cs:line 30
       at System.Net.Http.HttpMessageHandlerStage.Send(HttpRequestMessage request, CancellationToken cancellationToken) in /_/src/libraries/System.Net.Http/src/System/Net/Http/SocketsHttpHandler/HttpMessageHandlerStage.cs:line 17
       at System.Net.Http.SocketsHttpHandler.Send(HttpRequestMessage request, CancellationToken cancellationToken) in /_/src/libraries/System.Net.Http/src/System/Net/Http/SocketsHttpHandler/SocketsHttpHandler.cs:line 368
       at System.Net.Http.HttpClientHandler.Send(HttpRequestMessage request, CancellationToken cancellationToken) in /_/src/libraries/System.Net.Http/src/System/Net/Http/HttpClientHandler.cs:line 279
       at System.Net.Http.HttpMessageInvoker.Send(HttpRequestMessage request, CancellationToken cancellationToken) in /_/src/libraries/System.Net.Http/src/System/Net/Http/HttpMessageInvoker.cs:line 44
       at System.Net.Http.HttpClient.SendAsyncCore(HttpRequestMessage request, HttpCompletionOption completionOption, Boolean async, CancellationToken cancellationToken) in /_/src/libraries/System.Net.Http/src/System/Net/Http/HttpClient.cs:line 527
       at System.Net.Http.HttpClient.Send(HttpRequestMessage request, HttpCompletionOption completionOption, CancellationToken cancellationToken) in /_/src/libraries/System.Net.Http/src/System/Net/Http/HttpClient.cs:line 466
       at System.Net.Http.HttpClient.Send(HttpRequestMessage request) in /_/src/libraries/System.Net.Http/src/System/Net/Http/HttpClient.cs:line 449
       at System.Net.Http.Functional.Tests.HttpClientTest.<>c__DisplayClass48_0.<Send_TimeoutRequestContent_Throws>b__2() in /_/src/libraries/System.Net.Http/tests/FunctionalTests/HttpClientTest.cs:line 885
       at System.Threading.Tasks.Task.InnerInvoke() in /_/src/libraries/System.Private.CoreLib/src/System/Threading/Tasks/Task.cs:line 2370
       at System.Threading.ExecutionContext.RunFromThreadPoolDispatchLoop(Thread threadPoolThread, ExecutionContext executionContext, ContextCallback callback, Object state) in /_/src/libraries/System.Private.CoreLib/src/System/Threading/ExecutionContext.cs:line 267
    --- End of stack trace from previous location ---
       at System.Threading.Tasks.Task.ExecuteWithThreadLocal(Task& currentTaskSlot, Thread threadPoolThread) in /_/src/libraries/System.Private.CoreLib/src/System/Threading/Tasks/Task.cs:line 2352
    --- End of stack trace from previous location ---
    ----- Inner Stack Trace -----
       at System.Net.Http.HttpContent.CopyTo(Stream stream, TransportContext context, CancellationToken cancellationToken) in /_/src/libraries/System.Net.Http/src/System/Net/Http/HttpContent.cs:line 386
       at System.Net.Http.HttpConnection.SendRequestContentAsync(HttpRequestMessage request, HttpContentWriteStream stream, Boolean async, CancellationToken cancellationToken) in /_/src/libraries/System.Net.Http/src/System/Net/H
    
14. ManickaP commented on Jul 29, 2020

    

    ManickaP

    on Jul 29, 2020

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    I just merged it now (I was trigger happy with the labels here), so the failure is from before.
15. ManickaP commented on Jul 29, 2020

    

    ManickaP

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    The failure seems to happen predominantly on Windows machine (single alpine occurrence).
    The underlying error: An established connection was aborted by the software in your host machine. corresponds to winsock error: WSAECONNABORTED which points to server closing the connection.
    My working theory is that the server code finishes sooner (not actually expecting the content: ReadRequestBodyAsync returning immediatelly) and closes the connection without waiting on client to send it.
    The test sometimes passes because the client side timeout propagation is faster than the server side code.
16. karelz

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    test-run-coreTest failures in .NET Core test runsTest failures in .NET Core test runs

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18. ManickaP

    closed this as completedin #124388on Feb 16, 2026
19. pull

    added a commit that references this issue on Feb 16, 2026

    [HTTP] Fix test race with semaphore. (dotnet#124388)

    ...

    This issue will close once commit bf62494 is merged into the 'main' branch.

    bf62494
20. iremyux

    added a commit that references this issue on Mar 2, 2026

    [HTTP] Fix test race with semaphore. (dotnet#124388)

    ...

    This issue will close once commit 6c96678 is merged into the 'main' branch.

    6c96678
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    locked and limited conversation to collaborators on Mar 19, 2026