Test failure: ServerDisconnectDuringSetup_PropagatesMeaningfulException

[vcsjones]

Build Information

Build: https://dev.azure.com/dnceng-public/cbb18261-c48f-4abb-8651-8cdcb5474649/_build/results?buildId=1616429
Build error leg or test failing: System.Net.Http.Functional.Tests.SocketsHttpHandlerTest_Http2.ServerDisconnectDuringSetup_PropagatesMeaningfulException
Pull request: #134868

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": ["ServerDisconnectDuringSetup_PropagatesMeaningfulException", "Assert.Equal() Failure: Values differ", "Expected: InvalidResponse", "Actual:   Unknown"],
  "ErrorPattern": "",
  "BuildRetry": false,
  "ExcludeConsoleLog": false
}

Known issue validation

Build: 🔎 https://dev.azure.com/dnceng-public/public/_build/results?buildId=1616429
Error message validated: [ServerDisconnectDuringSetup_PropagatesMeaningfulException Assert.Equal() Failure: Values differ Expected: InvalidResponse Actual: Unknown]
Result validation: ✅ Known issue matched with the provided build.
Validation performed at: 9/29/2026 9:47:36 PM UTC

Report

Build	Repository	Test	Pull Request
1627048	dotnet/runtime	System.Net.Http.Functional.Tests.SocketsHttpHandlerTest_Http2.ServerDisconnectDuringSetup_PropagatesMeaningfulException	#135357
1625177	dotnet/runtime	System.Net.Http.Functional.Tests.SocketsHttpHandlerTest_Http2.ServerDisconnectDuringSetup_PropagatesMeaningfulException	#135287
1624450	dotnet/runtime	System.Net.Http.Functional.Tests.SocketsHttpHandlerTest_Http2.ServerDisconnectDuringSetup_PropagatesMeaningfulException
1623549	dotnet/runtime	System.Net.Http.Functional.Tests.SocketsHttpHandlerTest_Http2.ServerDisconnectDuringSetup_PropagatesMeaningfulException	#135224
1621904	dotnet/runtime	System.Net.Http.Functional.Tests.SocketsHttpHandlerTest_Http2.ServerDisconnectDuringSetup_PropagatesMeaningfulException	#135065
1619890	dotnet/runtime	System.Net.Http.Functional.Tests.SocketsHttpHandlerTest_Http2.ServerDisconnectDuringSetup_PropagatesMeaningfulException	#135032
1619096	dotnet/runtime	System.Net.Http.Functional.Tests.SocketsHttpHandlerTest_Http2.ServerDisconnectDuringSetup_PropagatesMeaningfulException
1616429	dotnet/runtime	System.Net.Http.Functional.Tests.SocketsHttpHandlerTest_Http2.ServerDisconnectDuringSetup_PropagatesMeaningfulException	#134868

Summary

24-Hour Hit Count	7-Day Hit Count	1-Month Count
1	6	8

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