System.Net.Http.Functional.Tests.HttpClientHandlerTest_Http3.SendAsync_RequestRejected_ClientRetries [FAIL]
System.Net.Http.HttpRequestException : The request was aborted.
Stack Trace:
/_/src/libraries/System.Net.Http/src/System/Net/Http/SocketsHttpHandler/Http3Connection.cs(331,0): at System.Net.Http.Http3Connection.SendAsync(HttpRequestMessage request, WaitForHttp3ConnectionActivity waitForConnectionActivity, Boolean streamAvailable, CancellationToken cancellationToken)
/_/src/libraries/System.Net.Http/src/System/Net/Http/SocketsHttpHandler/Http3Connection.cs(357,0): at System.Net.Http.Http3Connection.SendAsync(HttpRequestMessage request, WaitForHttp3ConnectionActivity waitForConnectionActivity, Boolean streamAvailable, CancellationToken cancellationToken)
/_/src/libraries/System.Net.Http/src/System/Net/Http/SocketsHttpHandler/ConnectionPool/HttpConnectionPool.Http3.cs(108,0): at System.Net.Http.HttpConnectionPool.TrySendUsingHttp3Async(HttpRequestMessage request, CancellationToken cancellationToken)
/_/src/libraries/System.Net.Http/src/System/Net/Http/SocketsHttpHandler/ConnectionPool/HttpConnectionPool.cs(441,0): at System.Net.Http.HttpConnectionPool.SendWithVersionDetectionAndRetryAsync(HttpRequestMessage request, Boolean async, Boolean doRequestAuth, CancellationToken cancellationToken)
/_/src/libraries/System.Net.Http/src/System/Net/Http/SocketsHttpHandler/RedirectHandler.cs(29,0): at System.Net.Http.RedirectHandler.SendAsync(HttpRequestMessage request, Boolean async, CancellationToken cancellationToken)
/_/src/libraries/System.Net.Http/src/System/Net/Http/SocketsHttpHandler/HttpMessageHandlerStage.cs(21,0): at System.Net.Http.HttpMessageHandlerStage.SendAsync(HttpRequestMessage request, CancellationToken cancellationToken)
/_/src/libraries/System.Net.Http/src/System/Net/Http/SocketsHttpHandler/SocketsHttpHandler.cs(704,0): at System.Net.Http.SocketsHttpHandler.<SendAsync>g__CreateHandlerAndSendAsync|122_0(HttpRequestMessage request, CancellationToken cancellationToken)
/_/src/libraries/System.Net.Http/src/System/Net/Http/HttpClient.cs(544,0): at System.Net.Http.HttpClient.<SendAsync>g__Core|83_0(HttpRequestMessage request, HttpCompletionOption completionOption, CancellationTokenSource cts, Boolean disposeCts, CancellationTokenSource pendingRequestsCts, CancellationToken originalCancellationToken)
/_/src/libraries/System.Net.Http/src/System/Net/Http/HttpClient.cs(524,0): at System.Net.Http.HttpClient.SendAsync(HttpRequestMessage request, HttpCompletionOption completionOption)
/_/src/libraries/System.Net.Http/tests/FunctionalTests/HttpClientHandlerTest.Http3.cs(420,0): at System.Net.Http.Functional.Tests.HttpClientHandlerTest_Http3.<>c__DisplayClass11_0.<SendAsync_RequestRejected_ClientRetries>b__1()
/_/src/libraries/Common/tests/System/Threading/Tasks/TaskTimeoutExtensions.cs(119,0): at System.Threading.Tasks.TaskTimeoutExtensions.GetRealException(Task task)
/_/src/libraries/Common/tests/System/Threading/Tasks/TaskTimeoutExtensions.cs(89,0): at System.Threading.Tasks.TaskTimeoutExtensions.WhenAllOrAnyFailed(Task[] tasks)
/_/src/libraries/Common/tests/System/Threading/Tasks/TaskTimeoutExtensions.cs(54,0): at System.Threading.Tasks.TaskTimeoutExtensions.WhenAllOrAnyFailed(Task[] tasks, Int32 millisecondsTimeout)
/_/src/libraries/System.Net.Http/tests/FunctionalTests/HttpClientHandlerTest.Http3.cs(423,0): at System.Net.Http.Functional.Tests.HttpClientHandlerTest_Http3.SendAsync_RequestRejected_ClientRetries()
Build Information
Build: https://dev.azure.com/dnceng-public/public/_build/results?buildId=1577452
Build error leg or test failing: net11.0-linux-Debug-x64-coreclr_release-Ubuntu.2604.Amd64.Open-System.Net.Http.Functional.Tests.HttpClientHandlerTest_Http3.SendAsync_RequestRejected_ClientRetries
Pull request: #133027
KBE authoring guidance (ci-failure-scan)
Error Detailsis for readers. The exception and stack trace below make the failure understandable without opening the raw log.Error Message.ErrorMessagecontains case-sensitive ordinalString.Containssubstrings copied verbatim from the failing log.BuildRetryis false because this is a test failure rather than a clear infrastructure retry case.Error Details
This test also appeared in the historical HTTP/3 retry tracker #91017, which was closed in 2024 and did not contain a Build Analysis signature.
Error Message
{ "ErrorMessage": [ "System.Net.Http.Functional.Tests.HttpClientHandlerTest_Http3.SendAsync_RequestRejected_ClientRetries [FAIL]", "System.Net.Http.HttpRequestException : The request was aborted." ], "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
Note
This issue was drafted and filed with assistance from GitHub Copilot.
Known issue validation
Build: 🔎 https://dev.azure.com/dnceng-public/public/_build/results?buildId=1577452
Error message validated:
[System.Net.Http.Functional.Tests.HttpClientHandlerTest_Http3.SendAsync_RequestRejected_ClientRetries [FAIL] System.Net.Http.HttpRequestException : The request was aborted.]Result validation: ✅ Known issue matched with the provided build.
Validation performed at: 9/2/2026 1:59:44 AM UTC
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