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8.0: Http2_IncorrectServerPreface_RequestFailsWithAppropriateHttpProtocolException failed #118906

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8.0: Http2_IncorrectServerPreface_RequestFailsWithAppropriateHttpProtocolException failed#118906
Labels
Known Build ErrorUse this to report build issues in the .NET Helix tabarea-System.Net.Httptest-bugProblem in test source code (most likely)
Milestone
Future

Description

@jozkee
jozkee
opened on Aug 19, 2025

Build Information

Build: https://dev.azure.com/dnceng-public/cbb18261-c48f-4abb-8651-8cdcb5474649/_build/results?buildId=1126730
Build error leg or test failing: System.Net.Http.Functional.Tests.SocketsHttpHandlerTest_Http2.Http2_IncorrectServerPreface_RequestFailsWithAppropriateHttpProtocolException
Pull request: #117878

Error Message

Fill the error message using step by step known issues guidance.

{
  "ErrorMessage": ["Expected: HttpProtocolError", "Actual:   Unknown"],
  "ErrorPattern": "",
  "BuildRetry": false,
  "ExcludeConsoleLog": false
}

Known issue validation

Build: 🔎 https://dev.azure.com/dnceng-public/public/_build/results?buildId=1126730
Error message validated: [Expected: HttpProtocolError Actual: Unknown]
Result validation: ✅ Known issue matched with the provided build.
Validation performed at: 8/19/2025 9:36:46 PM UTC

Report

Build Repository Test Pull Request
1636810 dotnet/runtime System.Net.Http.Functional.Tests.SocketsHttpHandler_DiagnosticsTest_Http3.SendAsync_ReuseRequestInHandler_ResetsHeadersForEachReuse #135860
1635668 dotnet/runtime System.Net.Http.Functional.Tests.SocketsHttpHandlerTest_Http2.ServerDisconnectDuringSetup_PropagatesMeaningfulException
1625248 dotnet/runtime System.Net.Http.Functional.Tests.SocketsHttpHandlerTest_Cookies_Http3.GetAsyncWithRedirect_SetCookieContainer_CorrectCookiesSent
1625126 dotnet/runtime System.Net.Http.Functional.Tests.SocketsHttpHandlerTest_Http2.ServerDisconnectDuringSetup_PropagatesMeaningfulException #134494
1622443 dotnet/runtime System.Net.Http.Functional.Tests.SocketsHttpHandlerTest_Http2.ServerDisconnectDuringSetup_PropagatesMeaningfulException
1621238 dotnet/runtime System.Net.Http.Functional.Tests.SocketsHttpHandlerTest_Http2.ServerDisconnectDuringSetup_PropagatesMeaningfulException #135079
1620034 dotnet/runtime System.Net.Http.Functional.Tests.SocketsHttpHandlerTest_Http2.ServerDisconnectDuringSetup_PropagatesMeaningfulException
1618934 dotnet/runtime System.Net.Http.Functional.Tests.SocketsHttpHandlerTest_Http2.ServerDisconnectDuringSetup_PropagatesMeaningfulException
1615702 dotnet/runtime System.Net.Http.Functional.Tests.SocketsHttpHandlerTest_Http2.ServerDisconnectDuringSetup_PropagatesMeaningfulException
1613564 dotnet/runtime System.Net.Http.Functional.Tests.HttpMetricsTest_Http20.TimeInQueue_RecordedForNewConnectionsOnly #134727
1611315 dotnet/runtime System.Net.Http.Functional.Tests.SocketsHttpHandlerTest_Http2.ServerDisconnectDuringSetup_PropagatesMeaningfulException #134210
1610154 dotnet/runtime System.Net.Http.Functional.Tests.SocketsHttpHandlerTest_Http2.ServerDisconnectDuringSetup_PropagatesMeaningfulException
1609829 dotnet/runtime System.Net.Http.Functional.Tests.SocketsHttpHandlerTest_Http2.ServerDisconnectDuringSetup_PropagatesMeaningfulException #133571

Summary

24-Hour Hit Count 7-Day Hit Count 1-Month Count
0 2 13

Activity

  1. jozkee
    added
    blocking-clean-ciBlocking PR or rolling runs of 'runtime' or 'runtime-extra-platforms'
    Known Build ErrorUse this to report build issues in the .NET Helix tab
    on Aug 19, 2025
  2. github-actions
    added
    area-System.Net.Http
    on Aug 19, 2025

  3. dotnet-policy-service commented on Aug 19, 2025

    @dotnet-policy-service
    dotnet-policy-serviceBot
    on Aug 19, 2025 – with Dotnet Policy Service
    Contributor

    Tagging subscribers to this area: @dotnet/ncl
    See info in area-owners.md if you want to be subscribed.

  4. dotnet-policy-service
    added
    untriagedNew issue has not been triaged by the area owner
    on Aug 19, 2025

  5. MihuBot commented on Aug 19, 2025

    @MihuBot
    MihuBot
    on Aug 19, 2025

    I'm a bot. Here is a possible related and/or duplicate issue (I may be wrong):

  6. ManickaP
    added
    test-bugProblem in test source code (most likely)
    and removed
    untriagedNew issue has not been triaged by the area owner
    on Aug 26, 2025
  7. ManickaP
    added this to the Future milestone on Aug 26, 2025

  8. ManickaP commented on Aug 26, 2025

    @ManickaP
    ManickaP
    on Aug 26, 2025
    Member

    So there's also many re-runs of this test in 8.0 branches. Doesn't happen on anything newer. So it seems it's been mitigated with #94112. We could back-port the fix in 8.0 branch.

  9. jeffschwMSFT commented on Sep 19, 2025

    @jeffschwMSFT
    jeffschwMSFT
    on Sep 19, 2025
    Member

    removing blocking-clean-ci as it has not failed in 30 days

    24-Hour Hit Count 7-Day Hit Count 1-Month Count
    0 0 0
  10. jeffschwMSFT
    removed
    blocking-clean-ciBlocking PR or rolling runs of 'runtime' or 'runtime-extra-platforms'
    on Sep 19, 2025
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