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FileSystemWatcher_SymbolicLink_TargetsDirectory_Create_IncludeSubdirectories failed with missed event #124677

@danmoseley

Description

@danmoseley

Build Information

Build: https://dev.azure.com/dnceng-public/cbb18261-c48f-4abb-8651-8cdcb5474649/_build/results?buildId=1302001
Build error leg or test failing: System.IO.Tests.SymbolicLink_Changed_Tests.FileSystemWatcher_SymbolicLink_TargetsDirectory_Create_IncludeSubdirectories
Pull request: #124628

Error Message

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

{
  "ErrorMessage": "System.AggregateException : One or more errors occurred. (Expected Event occurred) (Expected Event occurred) (Expected Event occurred)",
  "ErrorPattern": "",
  "BuildRetry": false,
  "ExcludeConsoleLog": false
}

Known issue validation

Build: 🔎 https://dev.azure.com/dnceng-public/public/_build/results?buildId=1302001
Error message validated: [One or more errors occurred]
Result validation: ✅ Known issue matched with the provided build.
Validation performed at: 2/20/2026 8:56:47 PM UTC

Report

Build Definition Test Pull Request
1302819 dotnet/runtime System.IO.Tests.SymbolicLink_Changed_Tests.FileSystemWatcher_SymbolicLink_TargetsDirectory_Create_IncludeSubdirectories #124660
1302001 dotnet/runtime System.IO.Tests.SymbolicLink_Changed_Tests.FileSystemWatcher_SymbolicLink_TargetsDirectory_Create_IncludeSubdirectories #124628

Summary

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

Known issue validation

Build: 🔎 https://dev.azure.com/dnceng-public/public/_build/results?buildId=1302001
Error message validated: [System.AggregateException : One or more errors occurred. (Expected Event occurred) (Expected Event occurred) (Expected Event occurred)]
Result validation: ✅ Known issue matched with the provided build.
Validation performed at: 2/20/2026 11:20:21 PM UTC

Report

Build Definition Test Pull Request
1302819 dotnet/runtime System.IO.Tests.SymbolicLink_Changed_Tests.FileSystemWatcher_SymbolicLink_TargetsDirectory_Create_IncludeSubdirectories #124660
1302001 dotnet/runtime System.IO.Tests.SymbolicLink_Changed_Tests.FileSystemWatcher_SymbolicLink_TargetsDirectory_Create_IncludeSubdirectories #124628

Summary

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

Report

Build Definition Test Pull Request
1311577 dotnet/runtime System.IO.Tests.SymbolicLink_Changed_Tests.FileSystemWatcher_SymbolicLink_TargetsDirectory_Create_IncludeSubdirectories
1310526 dotnet/runtime System.IO.Tests.SymbolicLink_Changed_Tests.FileSystemWatcher_SymbolicLink_TargetsDirectory_Create_IncludeSubdirectories #124858
1309930 dotnet/runtime System.IO.Tests.SymbolicLink_Changed_Tests.FileSystemWatcher_SymbolicLink_TargetsDirectory_Create_IncludeSubdirectories #124842
1309828 dotnet/runtime System.IO.Tests.SymbolicLink_Changed_Tests.FileSystemWatcher_SymbolicLink_TargetsDirectory_Create_IncludeSubdirectories #124203
1309744 dotnet/runtime System.IO.Tests.SymbolicLink_Changed_Tests.FileSystemWatcher_SymbolicLink_TargetsDirectory_Create_IncludeSubdirectories #124863
1307513 dotnet/runtime System.IO.Tests.SymbolicLink_Changed_Tests.FileSystemWatcher_SymbolicLink_TargetsDirectory_Create_IncludeSubdirectories #124792
1306821 dotnet/runtime System.IO.Tests.SymbolicLink_Changed_Tests.FileSystemWatcher_SymbolicLink_TargetsDirectory_Create_IncludeSubdirectories #123614
1306325 dotnet/runtime System.IO.Tests.SymbolicLink_Changed_Tests.FileSystemWatcher_SymbolicLink_TargetsDirectory_Create_IncludeSubdirectories #124761
1306243 dotnet/runtime System.IO.Tests.SymbolicLink_Changed_Tests.FileSystemWatcher_SymbolicLink_TargetsDirectory_Create_IncludeSubdirectories #124762
1305494 dotnet/runtime System.IO.Tests.SymbolicLink_Changed_Tests.FileSystemWatcher_SymbolicLink_TargetsDirectory_Create_IncludeSubdirectories #124752
1305467 dotnet/runtime System.IO.Tests.SymbolicLink_Changed_Tests.FileSystemWatcher_SymbolicLink_TargetsDirectory_Create_IncludeSubdirectories #124594
1305436 dotnet/runtime System.IO.Tests.SymbolicLink_Changed_Tests.FileSystemWatcher_SymbolicLink_TargetsDirectory_Create_IncludeSubdirectories #124641
1305237 dotnet/runtime System.IO.Tests.SymbolicLink_Changed_Tests.FileSystemWatcher_SymbolicLink_TargetsDirectory_Create_IncludeSubdirectories #124588
1305204 dotnet/runtime System.IO.Tests.SymbolicLink_Changed_Tests.FileSystemWatcher_SymbolicLink_TargetsDirectory_Create_IncludeSubdirectories #124598
1304981 dotnet/runtime System.IO.Tests.SymbolicLink_Changed_Tests.FileSystemWatcher_SymbolicLink_TargetsDirectory_Create_IncludeSubdirectories #123439
1304922 dotnet/runtime System.IO.Tests.SymbolicLink_Changed_Tests.FileSystemWatcher_SymbolicLink_TargetsDirectory_Create_IncludeSubdirectories #124737
1304521 dotnet/runtime System.IO.Tests.SymbolicLink_Changed_Tests.FileSystemWatcher_SymbolicLink_TargetsDirectory_Create_IncludeSubdirectories #124725
1304583 dotnet/runtime System.IO.Tests.SymbolicLink_Changed_Tests.FileSystemWatcher_SymbolicLink_TargetsDirectory_Create_IncludeSubdirectories #124374
1304499 dotnet/runtime System.IO.Tests.SymbolicLink_Changed_Tests.FileSystemWatcher_SymbolicLink_TargetsDirectory_Create_IncludeSubdirectories #124724
1304042 dotnet/runtime System.IO.Tests.SymbolicLink_Changed_Tests.FileSystemWatcher_SymbolicLink_TargetsDirectory_Create_IncludeSubdirectories #124660
1303735 dotnet/runtime System.IO.Tests.SymbolicLink_Changed_Tests.FileSystemWatcher_SymbolicLink_TargetsDirectory_Create_IncludeSubdirectories
1303710 dotnet/runtime System.IO.Tests.SymbolicLink_Changed_Tests.FileSystemWatcher_SymbolicLink_TargetsDirectory_Create_IncludeSubdirectories #124626
1303482 dotnet/runtime System.IO.Tests.SymbolicLink_Changed_Tests.FileSystemWatcher_SymbolicLink_TargetsDirectory_Create_IncludeSubdirectories #124675
1303453 dotnet/runtime System.IO.Tests.SymbolicLink_Changed_Tests.FileSystemWatcher_SymbolicLink_TargetsDirectory_Create_IncludeSubdirectories #124669
1303334 dotnet/runtime System.IO.Tests.SymbolicLink_Changed_Tests.FileSystemWatcher_SymbolicLink_TargetsDirectory_Create_IncludeSubdirectories #124626
1302819 dotnet/runtime System.IO.Tests.SymbolicLink_Changed_Tests.FileSystemWatcher_SymbolicLink_TargetsDirectory_Create_IncludeSubdirectories #124660
1302001 dotnet/runtime System.IO.Tests.SymbolicLink_Changed_Tests.FileSystemWatcher_SymbolicLink_TargetsDirectory_Create_IncludeSubdirectories #124628

Summary

24-Hour Hit Count 7-Day Hit Count 1-Month Count
2 27 27

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    Known Build ErrorUse this to report build issues in the .NET Helix tabarea-System.IOblocking-clean-ciBlocking PR or rolling runs of 'runtime' or 'runtime-extra-platforms'untriagedNew issue has not been triaged by the area owner

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