AppHost test failure: I/O failure when writing extracted files

[jkotas]

Build Information

Build: https://dev.azure.com/dnceng-public/cbb18261-c48f-4abb-8651-8cdcb5474649/_build/results?buildId=1171388 Build error leg or test failing: AppHost.Bundle.Tests.BundledAppWithSubDirs.AppHost.Bundle.Tests.BundledAppWithSubDirs.FrameworkDependent Pull request: https://github.com/dotnet/runtime/pull/120626

Error Message

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

{
  "ErrorMessage": "I/O failure when writing extracted files",
  "ErrorPattern": "",
  "BuildRetry": false,
  "ExcludeConsoleLog": false
}

Known issue validation

Build: :mag_right: https://dev.azure.com/dnceng-public/public/_build/results?buildId=1171388 Error message validated: [I/O failure when writing extracted files] Result validation: :white_check_mark: Known issue matched with the provided build. Validation performed at: 10/13/2025 4:52:56 AM UTC

Report

Build	Definition	Test	Pull Request
1218072	dotnet/runtime	AppHost.Bundle.Tests.WorkItemExecution	dotnet/runtime#121862
1201054	dotnet/runtime	AppHost.Bundle.Tests.WorkItemExecution	dotnet/runtime#121554
1199353	dotnet/runtime	AppHost.Bundle.Tests.WorkItemExecution	dotnet/runtime#121058
1199289	dotnet/runtime	AppHost.Bundle.Tests.WorkItemExecution	dotnet/runtime#121316
1199274	dotnet/runtime	AppHost.Bundle.Tests.WorkItemExecution	dotnet/runtime#121494
1199252	dotnet/runtime	AppHost.Bundle.Tests.WorkItemExecution	dotnet/runtime#121491
1199186	dotnet/runtime	AppHost.Bundle.Tests.WorkItemExecution	dotnet/runtime#116574
1198976	dotnet/runtime	AppHost.Bundle.Tests.WorkItemExecution	dotnet/runtime#121186
1198886	dotnet/runtime	AppHost.Bundle.Tests.WorkItemExecution	dotnet/runtime#121417

Summary

24-Hour Hit Count	7-Day Hit Count	1-Month Count
0	1	9

[dotnet-policy-service[bot]]

Tagging subscribers to this area: @vitek-karas, @agocke, @vsadov See info in area-owners.md if you want to be subscribed.

[agocke]

Cc @elinor-fung

[HVbajoria]

Hi @elinor-fung , @agocke

Tried adding retry to fix this: https://github.com/dotnet/runtime/pull/120673

Could you please check once?