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[ci-fix-net11] De-flake flaky DispatcherTests by resetting leaked ThreadStatic dispatcher flag - #36221

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kubaflo merged 1 commit into
net11.0from
ci-fix/issue-36192-attempt-1-36385ee0dfa1f41a
Jul 27, 2026
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[ci-fix-net11] De-flake flaky DispatcherTests by resetting leaked ThreadStatic dispatcher flag#36221
kubaflo merged 1 commit into
net11.0from
ci-fix/issue-36192-attempt-1-36385ee0dfa1f41a

[ci-fix] De-flake DispatcherTests pooled-thread state leak

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Azure Pipelines / maui-pr-devicetests failed Jul 16, 2026 in 1h 30m 58s

Build #11.0.0-ci+pr.36221.azdo.1511737 had test failures

5 errors / 0 warnings

Details

Tests

  • Failed: 7 (0.10%)
  • Passed: 6,675 (96.10%)
  • Other: 264 (3.80%)
  • Total: 6,946

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Build log #L43 

The Operation will be canceled. The next steps may not contain expected logs.

Check failure on line 46 in Build log

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Build log #L46 

The operation was canceled.

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Build log #L52 

PowerShell exited with code '1'.

Check failure on line 1 in com.microsoft.maui.controls.devicetests-Signed.WorkItemExecution

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com.microsoft.maui.controls.devicetests-Signed.WorkItemExecution 

The Helix Work Item failed. Often this is due to a test crash. Please see the 'Artifacts' tab above for additional logs.

Check failure on line 1 in CheckFileResultOpenReadAsyncMultipleTimes

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@azure-pipelines azure-pipelines / maui-pr-devicetests

CheckFileResultOpenReadAsyncMultipleTimes 

System.NullReferenceException : Arg_NullReferenceException
Raw output 
   at System.IO.FileStream.ReadAsync(Memory`1 buffer, CancellationToken cancellationToken)
   at System.IO.StreamReader.ReadBufferAsync(CancellationToken cancellationToken)
   at System.IO.StreamReader.ReadToEndAsyncInternal(CancellationToken cancellationToken)
   at Microsoft.Maui.Essentials.DeviceTests.FileSystem_Tests.CheckFileResultOpenReadAsyncMultipleTimes()
--- End of stack trace from previous location ---

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OpenAppPackageFileAsync_Can_Load_File 

Test failed

Check failure on line 1 in Microsoft.Maui.Essentials.DeviceTests.WorkItemExecution

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Microsoft.Maui.Essentials.DeviceTests.WorkItemExecution 

The Helix Work Item failed. Often this is due to a test crash. Please see the 'Artifacts' tab above for additional logs.
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