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

[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

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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
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	4	4

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