Test Failure: System.Net.WebSockets.Client.Tests.CancelTest_SharedHandler_Loopback.ConnectAsync_Cancel_ThrowsCancellationException

[JulieLeeMSFT]

Build Information

Build: https://dev.azure.com/dnceng-public/public/_build/results?buildId=1500785
Build error leg or test failing: System.Net.WebSockets.Client.Tests.CancelTest_SharedHandler_Loopback.ConnectAsync_Cancel_ThrowsCancellationException

Error Message

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

{
  "ErrorMessage": "System.Net.WebSockets.Client.Tests.CancelTest_SharedHandler_Loopback.ConnectAsync_Cancel_ThrowsCancellationException(useSsl: False) [FAIL]",
  "BuildRetry": false,
  "ExcludeConsoleLog": false
}

Known issue validation

Build: 🔎 https://dev.azure.com/dnceng-public/public/_build/results?buildId=1500785
Error message validated: [System.Net.WebSockets.Client.Tests.CancelTest_SharedHandler_Loopback.ConnectAsync_Cancel_ThrowsCancellationException(useSsl: False) [FAIL]]
Result validation: ✅ Known issue matched with the provided build.
Validation performed at: 7/9/2026 10:27:44 PM UTC

Report

Build	Repository	Test	Pull Request
1500785	dotnet/runtime	System.Net.WebSockets.Client.Tests.CancelTest_SharedHandler_Loopback.ConnectAsync_Cancel_ThrowsCancellationException

Summary

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

[dotnet-policy-service]

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