Microsoft.Extensions.Configuration.Test.ConfigurationTests.ReloadOnChangeWorksAfterError failing in CI

[jakobbotsch]

Build Information

Build: https://dev.azure.com/dnceng-public/cbb18261-c48f-4abb-8651-8cdcb5474649/_build/results?buildId=1539045
Build error leg or test failing: Microsoft.Extensions.Configuration.Test.ConfigurationTests.ReloadOnChangeWorksAfterError
Pull request: #131342

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": "[FAIL] Microsoft.Extensions.Configuration.Test.ConfigurationTests.ReloadOnChangeWorksAfterError",
  "ErrorPattern": "",
  "BuildRetry": false,
  "ExcludeConsoleLog": false
}

Known issue validation

Build: 🔎 https://dev.azure.com/dnceng-public/public/_build/results?buildId=1539045
Error message validated: [[FAIL] Microsoft.Extensions.Configuration.Test.ConfigurationTests.ReloadOnChangeWorksAfterError]
Result validation: ✅ Known issue matched with the provided build.
Validation performed at: 8/4/2026 1:56:02 PM UTC

Report

Build	Repository	Test	Pull Request
1540572	dotnet/runtime	Microsoft.Extensions.Configuration.Test.ConfigurationTests.ReloadOnChangeWorksAfterError	#131765
1540170	dotnet/runtime	Microsoft.Extensions.Configuration.Test.ConfigurationTests.ReloadOnChangeWorksAfterError	#131840
1540000	dotnet/runtime	Microsoft.Extensions.Configuration.Test.ConfigurationTests.ReloadOnChangeWorksAfterError	#131831
1539587	dotnet/runtime	WasmTestOnChrome-MONO-ST-Microsoft.Extensions.Configuration.Functional.Tests.WorkItemExecution	#131783
1539447	dotnet/runtime	WasmTestOnChrome-MONO-ST-Microsoft.Extensions.Configuration.Functional.Tests.WorkItemExecution	#131803
1539453	dotnet/runtime	WasmTestOnChrome-MONO-ST-Microsoft.Extensions.Configuration.Functional.Tests.WorkItemExecution	#131538
1539132	dotnet/runtime	WasmTestOnChrome-MONO-ST-Microsoft.Extensions.Configuration.Functional.Tests.WorkItemExecution	#131789
1539045	dotnet/runtime	WasmTestOnChrome-MONO-ST-Microsoft.Extensions.Configuration.Functional.Tests.WorkItemExecution	#131342
1539095	dotnet/runtime	WasmTestOnChrome-MONO-ST-Microsoft.Extensions.Configuration.Functional.Tests.WorkItemExecution	#131792

Summary

24-Hour Hit Count	7-Day Hit Count	1-Month Count
7	9	9

[jakobbotsch]

Test was enabled by #131304, cc @rosebyte @svick

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