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System.Net.WebSockets.Client.Tests.SendReceiveTest_SharedHandler_External.ReceiveAsync_MultipleOutstandingReceiveOperations_Throws Fails on CoreCLR R2R in Wasm Chrome #134815

Description

@jkoritzinsky

Build Information

Build: https://dev.azure.com/dnceng-public/cbb18261-c48f-4abb-8651-8cdcb5474649/_build/results?buildId=1614863
Build error leg or test failing: System.Net.WebSockets.Client.Tests.SendReceiveTest_SharedHandler_External.ReceiveAsync_MultipleOutstandingReceiveOperations_Throws
Pull request: #134804

Error Message

DO NOT USE JSON BELOW IF THIS IS A BUILD BREAK otherwise build analysis will allow pull requests to merge that break the build worse. For a build break, do not use this issue form. Make a regular new issue.

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

{
  "ErrorMessage": "at System.Net.WebSockets.Client.Tests.SendReceiveTestBase.RunClient_ReceiveAsync_MultipleOutstandingReceiveOperations_Throws(Uri server)",
  "ErrorPattern": "",
  "BuildRetry": false,
  "ExcludeConsoleLog": false
}

Known issue validation

Build: 🔎 https://dev.azure.com/dnceng-public/public/_build/results?buildId=1614863
Error message validated: [at System.Net.WebSockets.Client.Tests.SendReceiveTestBase.RunClient_ReceiveAsync_MultipleOutstandingReceiveOperations_Throws(Uri server)]
Result validation: ✅ Known issue matched with the provided build.
Validation performed at: 9/28/2026 8:26:36 PM UTC

Report

Build Repository Test Pull Request
1628470 dotnet/runtime System.Net.WebSockets.Client.Tests.WorkItemExecution
1628452 dotnet/runtime System.Net.WebSockets.Client.Tests.SendReceiveTest_Invoker_Http2Loopback.ReceiveAsync_MultipleOutstandingReceiveOperations_Throws #134592
1618899 dotnet/runtime System.Net.WebSockets.Client.Tests.SendReceiveTest_Invoker_Http2Loopback.ReceiveAsync_MultipleOutstandingReceiveOperations_Throws #134993
1617976 dotnet/runtime System.Net.WebSockets.Client.Tests.SendReceiveTest_HttpClient_External.ReceiveAsync_MultipleOutstandingReceiveOperations_Throws #134933
1617677 dotnet/runtime System.Net.WebSockets.Client.Tests.SendReceiveTest_SharedHandler_External.ReceiveAsync_MultipleOutstandingReceiveOperations_Throws #134920
1614863 dotnet/runtime System.Net.WebSockets.Client.Tests.SendReceiveTest_SharedHandler_External.ReceiveAsync_MultipleOutstandingReceiveOperations_Throws #134804

Summary

24-Hour Hit Count 7-Day Hit Count 1-Month Count
0 2 6

Activity

  1. 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 Sep 28, 2026
  2. dotnet-policy-service commented on Sep 28, 2026

    @dotnet-policy-service
    Contributor

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

  3. removed
    untriagedNew issue has not been triaged by the area owner
    on Oct 6, 2026
  4. added this to the Future milestone on Oct 6, 2026
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    Known Build ErrorUse this to report build issues in the .NET Helix tabarea-System.Netblocking-clean-ciBlocking PR or rolling runs of 'runtime' or 'runtime-extra-platforms'

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