FileSystemWatcher_SymbolicLink_TargetsDirectory_Create_IncludeSubdirectories failed with missed event #124677

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1. danmoseley

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   blocking-clean-ciBlocking PR or rolling runs of 'runtime' or 'runtime-extra-platforms'Blocking PR or rolling runs of 'runtime' or 'runtime-extra-platforms'

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   on Feb 20, 2026
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   area-System.IO

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4. dotnet-policy-service commented on Feb 20, 2026

   

   dotnet-policy-servicebot

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   Tagging subscribers to this area: @dotnet/area-system-io
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5. MihuBot commented on Feb 20, 2026

   

   MihuBot

   on Feb 20, 2026

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   I'm a bot. Here is a possible duplicate issue (I may be wrong):

   • FileSystemWatcher does not raise events when target directory is symlink (on linux) #25078
6. danmoseley commented on Feb 20, 2026

   

   danmoseley

   on Feb 20, 2026

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   above issue is linux, this is macos
7. VincentBu commented on Feb 27, 2026

   

   VincentBu

   on Feb 27, 2026

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   Failed in: runtime-coreclr crossgen2 20260225.3

   Failed tests:

   net11.0-osx-Release-x64-TestReadyToRun_Release-OSX.15.Amd64.Open
   - System.IO.Tests.SymbolicLink_Changed_Tests.FileSystemWatcher_SymbolicLink_TargetsDirectory_Create_IncludeSubdirectories
   
   

   Error message:

   System.AggregateException : One or more errors occurred. (Expected Event occurred) (Expected Event occurred) (Expected Event occurred)
   ---- Expected Event occurred
   ---- Expected Event occurred
   ---- Expected Event occurred
   

   Stack trace:

      at System.IO.Tests.FileSystemWatcherTest.Execute(Action test, Int32 maxAttempts, Func`2 backoffFunc, Predicate`1 retryWhen, String testName) in /_/src/libraries/System.IO.FileSystem.Watcher/tests/Utility/FileSystemWatcherTest.cs:line 247
      at System.Reflection.MethodBaseInvoker.InterpretedInvoke_Method(Object obj, IntPtr* args)
      at System.Reflection.MethodBaseInvoker.InvokeWithNoArgs(Object obj, BindingFlags invokeAttr)
   ----- Inner Stack Trace #1 (Xunit.Sdk.FalseException) -----
      at System.IO.Tests.FileSystemWatcherTest.ExpectNoEvent(FileSystemWatcher watcher, WatcherChangeTypes unExpectedEvents, Action action, Action cleanup, String expectedPath, Int32 timeout) in /_/src/libraries/System.IO.FileSystem.Watcher/tests/Utility/FileSystemWatcherTest.cs:line 277
      at System.IO.Tests.SymbolicLink_Changed_Tests.<FileSystemWatcher_SymbolicLink_TargetsDirectory_Create_IncludeSubdirectories>b__5_0() in /_/src/libraries/System.IO.FileSystem.Watcher/tests/FileSystemWatcher.SymbolicLink.cs:line 100
      at System.IO.Tests.FileSystemWatcherTest.Execute(Action test, Int32 maxAttempts, Func`2 backoffFunc, Predicate`1 retryWhen, String testName) in /_/src/libraries/System.IO.FileSystem.Watcher/tests/Utility/FileSystemWatcherTest.cs:line 238
   ----- Inner Stack Trace #2 (Xunit.Sdk.FalseException) -----
      at System.IO.Tests.FileSystemWatcherTest.ExpectNoEvent(FileSystemWatcher watcher, WatcherChangeTypes unExpectedEvents, Action action, Action cleanup, String expectedPath, Int32 timeout) in /_/src/libraries/System.IO.FileSystem.Watcher/tests/Utility/FileSystemWatcherTest.cs:line 277
      at System.IO.Tests.SymbolicLink_Changed_Tests.<FileSystemWatcher_SymbolicLink_TargetsDirectory_Create_IncludeSubdirectories>b__5_0() in /_/src/libraries/System.IO.FileSystem.Watcher/tests/FileSystemWatcher.SymbolicLink.cs:line 100
      at System.IO.Tests.FileSystemWatcherTest.Execute(Action test, Int32 maxAttempts, Func`2 backoffFunc, Predicate`1 retryWhen, String testName) in /_/src/libraries/System.IO.FileSystem.Watcher/tests/Utility/FileSystemWatcherTest.cs:line 238
   ----- Inner Stack Trace #3 (Xunit.Sdk.FalseException) -----
      at System.IO.Tests.FileSystemWatcherTest.ExpectNoEvent(FileSystemWatcher watcher, WatcherChangeTypes unExpectedEvents, Action action, Action cleanup, String expectedPath, Int32 timeout) in /_/src/libraries/System.IO.FileSystem.Watcher/tests/Utility/FileSystemWatcherTest.cs:line 277
      at System.IO.Tests.SymbolicLink_Changed_Tests.<FileSystemWatcher_SymbolicLink_TargetsDirectory_Create_IncludeSubdirectories>b__5_0() in /_/src/libraries/System.IO.FileSystem.Watcher/tests/FileSystemWatcher.SymbolicLink.cs:line 100
      at System.IO.Tests.FileSystemWatcherTest.Execute(Action test, Int32 maxAttempts, Func`2 backoffFunc, Predicate`1 retryWhen, String testName) in /_/src/libraries/System.IO.FileSystem.Watcher/tests/Utility/FileSystemWatcherTest.cs:line 238
   
8. danmoseley

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   danmoseley

   on Mar 17, 2026
9. danmoseley

   closed this as completedin #125682on Mar 19, 2026
10. dotnet-policy-service

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11. github-actions

    locked and limited conversation to collaborators on Apr 19, 2026