[FAIL] System.Net.Sockets.Tests.AcceptDualStackResetTests.Accept_DualStackListener_PeerImmediatelyResets_ListenerStaysHealthy(useAsync: True)
System.Net.Sockets.SocketException : An existing connection was forcibly closed by the remote host.
at System.Net.Sockets.Socket.AwaitableSocketAsyncEventArgs.System.Threading.Tasks.Sources.IValueTaskSource<System.Net.Sockets.Socket>.GetResult(Int16 token)
at System.Threading.Tasks.ValueTask`1.ValueTaskSourceAsTask.<>c.<.cctor>b__4_0(Object state)
--- End of stack trace from previous location ---
at System.Runtime.CompilerServices.RuntimeAsyncTaskContinuation.GetResult[T](Task task, Byte& result)
at System.Net.Sockets.Tests.AcceptDualStackResetTests.Accept_DualStackListener_PeerImmediatelyResets_ListenerStaysHealthy(Boolean useAsync) in /_/src/libraries/System.Net.Sockets/tests/FunctionalTests/Accept.cs:line 527
--- End of stack trace from previous location ---
{
"ErrorMessage": [
"System.Net.Sockets.Tests.AcceptDualStackResetTests.Accept_DualStackListener_PeerImmediatelyResets_ListenerStaysHealthy(useAsync: True)",
"System.Net.Sockets.SocketException : An existing connection was forcibly closed by the remote host."
],
"ErrorPattern": "",
"BuildRetry": false,
"ExcludeConsoleLog": false
}
Build Information
Build: https://dev.azure.com/dnceng-public/cbb18261-c48f-4abb-8651-8cdcb5474649/_build/results?buildId=1593787
Build error leg or test failing: windows-x64 Release TestReadyToRun_Libraries-System.Net.Sockets.Tests
KBE authoring guidance (ci-failure-scan)
Error Detailsis for readers. Paste the full exception, stack trace, or build error excerpt so the failure is understandable without opening the raw log.Error Message.ErrorMessageis a case-sensitive ordinalString.Containssubstring copied verbatim from the failing log.BuildRetrytotrueonly for a clear infrastructure retry case.ExcludeConsoleLogdisables Helix console-log scanning.Error Details
Observed in the
TestReadyToRun_Librarieslegs of runtime-coreclr crossgen2 (def 124, build 1593787) and reproduced in the following build 1594001 (windows-x64 and linux-x64 legs), so the failure is stable across builds.Error Message
{ "ErrorMessage": [ "System.Net.Sockets.Tests.AcceptDualStackResetTests.Accept_DualStackListener_PeerImmediatelyResets_ListenerStaysHealthy(useAsync: True)", "System.Net.Sockets.SocketException : An existing connection was forcibly closed by the remote host." ], "ErrorPattern": "", "BuildRetry": false, "ExcludeConsoleLog": false }Agentic workflow metadata (ci-failure-scan)
Workflow artifact: ci-failure-scan
Artifact kind: kbe-verification
Verified match count: 1 hits in failure.log
Filed by
ci-failure-scan(detection only).ci-failure-fixwalks open[ci-scan]KBEs and either opens a small fix PR or comments here to loop in owners — it never disables the test.Note
This issue was generated by an AI agent (GitHub Copilot / ci-failure-scan workflow).
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