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Propagate BackgroundService exceptions from the host #124863

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Merged
svick merged 9 commits into from
Mar 13, 2026

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Merged

Propagate BackgroundService exceptions from the host #124863

Shorter delays
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Build Analysis / Build Analysis failed Feb 25, 2026 in 0s

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Known Repository Errors

Known test errors

Test Failures (2 tests failed)

🔹 [All failing tests from runtime]

    ❌ Microsoft.Extensions.Hosting.Tests.BackgroundServiceExceptionTests.BackgroundService_MultipleExceptions_ThrowsAggregateException [Console] [Details] [Artifacts] [6.67% failure rate]
    [ 🚧 Report test infrastructure issue] [ 📄 Report test repository issue]

    Failing Configuration
    Exception Message
    Assert.Equal() Failure: Values differ
Expected: 3
Actual:   2
    CallStack
       at Microsoft.Extensions.Hosting.Tests.BackgroundServiceExceptionTests.BackgroundService_MultipleExceptions_ThrowsAggregateException() in /_/src/libraries/Microsoft.Extensions.Hosting/tests/UnitTests/BackgroundServiceExceptionTests.cs:line 114
--- End of stack trace from previous location ---
    ❌ System.Net.Security.Tests.SslStreamNetworkStreamTest.SslStream_UnifiedHello_Ok [Console] [Details] [Artifacts] [0.08% failure rate]
    [ 🚧 Report test infrastructure issue] [ 📄 Report test repository issue]

    Failing Configuration
    Data Driven SubResults
      ❌ System.Net.Security.Tests.SslStreamNetworkStreamTest.SslStream_UnifiedHello_Ok(useOptionCallback: False)
      Exception Message
      Assert.ThrowsAny() Failure: Exception type was not compatible
Expected: typeof(System.OperationCanceledException)
Actual:   typeof(System.IO.IOException)
---- System.IO.IOException : Unable to read data from the transport connection: The I/O operation has been aborted because of either a thread exit or an application request..
-------- System.Net.Sockets.SocketException : The I/O operation has been aborted because of either a thread exit or an application request.
      Stack Trace
         at System.Net.Security.Tests.SslStreamNetworkStreamTest.SslStream_UnifiedHello_Ok(Boolean useOptionCallback) in /_/src/libraries/System.Net.Security/tests/FunctionalTests/SslStreamNetworkStreamTest.cs:line 1128
--- End of stack trace from previous location ---
--- End of stack trace from previous location ---
----- Inner Stack Trace -----
   at System.Net.Security.SslStream.EnsureFullTlsFrameAsync[TIOAdapter](CancellationToken cancellationToken, Int32 estimatedSize) in /_/src/libraries/System.Net.Security/src/System/Net/Security/SslStream.IO.cs:line 765
   at System.Runtime.CompilerServices.PoolingAsyncValueTaskMethodBuilder`1.StateMachineBox`1.System.Threading.Tasks.Sources.IValueTaskSource<TResult>.GetResult(Int16 token) in /_/src/libraries/System.Private.CoreLib/src/System/Runtime/CompilerServices/PoolingAsyncValueTaskMethodBuilderT.cs:line 422
   at System.Net.Security.SslStream.ReceiveHandshakeFrameAsync[TIOAdapter](CancellationToken cancellationToken) in /_/src/libraries/System.Net.Security/src/System/Net/Security/SslStream.IO.cs:line 437
   at System.Net.Security.SslStream.ForceAuthenticationAsync[TIOAdapter](Boolean receiveFirst, Byte[] reAuthenticationData, CancellationToken cancellationToken) in /_/src/libraries/System.Net.Security/src/System/Net/Security/SslStream.IO.cs:line 358
----- Inner Stack Trace -----
   at System.Net.Sockets.Socket.AwaitableSocketAsyncEventArgs.CreateException(SocketError error, Boolean forAsyncThrow) in /_/src/libraries/System.Net.Sockets/src/System/Net/Sockets/Socket.Tasks.cs:line 1374
   at System.Net.Sockets.Socket.AwaitableSocketAsyncEventArgs.ReceiveAsync(Socket socket, CancellationToken cancellationToken) in /_/src/libraries/System.Net.Sockets/src/System/Net/Sockets/Socket.Tasks.cs:line 1056
   at System.Net.Sockets.Socket.ReceiveAsync(Memory`1 buffer, SocketFlags socketFlags, Boolean fromNetworkStream, CancellationToken cancellationToken) in /_/src/libraries/System.Net.Sockets/src/System/Net/Sockets/Socket.Tasks.cs:line 305
   at System.Net.Sockets.NetworkStream.ReadAsync(Memory`1 buffer, CancellationToken cancellationToken) in /_/src/libraries/System.Net.Sockets/src/System/Net/Sockets/NetworkStream.cs:line 597
   at System.Net.AsyncReadWriteAdapter.ReadAsync(Stream stream, Memory`1 buffer, CancellationToken cancellationToken) in /_/src/libraries/Common/src/System/Net/ReadWriteAdapter.cs:line 24
   at System.Net.Security.SslStream.EnsureFullTlsFrameAsync[TIOAdapter](CancellationToken cancellationToken, Int32 estimatedSize) in /_/src/libraries/System.Net.Security/src/System/Net/Security/SslStream.IO.cs:line 765
   at System.Net.Security.SslStream.EnsureFullTlsFrameAsync[TIOAdapter](CancellationToken cancellationToken, Int32 estimatedSize)
   at System.Net.Security.SslStream.ReceiveHandshakeFrameAsync[TIOAdapter](CancellationToken cancellationToken) in /_/src/libraries/System.Net.Security/src/System/Net/Security/SslStream.IO.cs:line 437
   at System.Net.Security.SslStream.ReceiveHandshakeFrameAsync[TIOAdapter](CancellationToken cancellationToken)
   at System.Net.Security.SslStream.ForceAuthenticationAsync[TIOAdapter](Boolean receiveFirst, Byte[] reAuthenticationData, CancellationToken cancellationToken) in /_/src/libraries/System.Net.Security/src/System/Net/Security/SslStream.IO.cs:line 358
   at System.Threading.ExecutionContext.RunInternal(ExecutionContext executionContext, ContextCallback callback, Object state) in /_/src/libraries/System.Private.CoreLib/src/System/Threading/ExecutionContext.cs:line 194
   at System.Runtime.CompilerServices.AsyncTaskMethodBuilder`1.AsyncStateMachineBox`1.MoveNext() in /_/src/libraries/System.Private.CoreLib/src/System/Runtime/CompilerServices/AsyncTaskMethodBuilderT.cs:line 350
   at System.Threading.Tasks.AwaitTaskContinuation.RunOrScheduleAction(IAsyncStateMachineBox box, Boolean allowInlining) in /_/src/libraries/System.Private.CoreLib/src/System/Threading/Tasks/TaskContinuation.cs:line 795
   at System.Threading.Tasks.Task.RunContinuations(Object continuationObject) in /_/src/libraries/System.Private.CoreLib/src/System/Threading/Tasks/Task.cs:line 3558
   at System.Runtime.CompilerServices.AsyncValueTaskMethodBuilder`1.SetResult(TResult result) in /_/src/libraries/System.Private.CoreLib/src/System/Runtime/CompilerServices/AsyncValueTaskMethodBuilderT.cs:line 54
   at System.Net.Security.SslStream.ReceiveHandshakeFrameAsync[TIOAdapter](CancellationToken cancellationToken) in /_/src/libraries/System.Net.Security/src/System/Net/Security/SslStream.IO.cs:line 510
   at System.Threading.ExecutionContext.RunInternal(ExecutionContext executionContext, ContextCallback callback, Object state) in /_/src/libraries/System.Private.CoreLib/src/System/Threading/ExecutionContext.cs:line 194
   at System.Runtime.CompilerServices.AsyncTaskMethodBuilder`1.AsyncStateMachineBox`1.MoveNext(Thread threadPoolThread) in /_/src/libraries/System.Private.CoreLib/src/System/Runtime/CompilerServices/AsyncTaskMethodBuilderT.cs:line 356
   at System.Net.Security.SslStream.EnsureFullTlsFrameAsync[TIOAdapter](CancellationToken cancellationToken, Int32 estimatedSize) in /_/src/libraries/System.Net.Security/src/System/Net/Security/SslStream.IO.cs:line 802
   at System.Threading.ExecutionContext.RunInternal(ExecutionContext executionContext, ContextCallback callback, Object state) in /_/src/libraries/System.Private.CoreLib/src/System/Threading/ExecutionContext.cs:line 194
   at System.Net.Sockets.Socket.AwaitableSocketAsyncEventArgs.OnCompleted(SocketAsyncEventArgs _) in /_/src/libraries/System.Net.Sockets/src/System/Net/Sockets/Socket.Tasks.cs:line 1017
   at System.Net.Sockets.SocketAsyncEventArgs.OnCompletedInternal() in /_/src/libraries/System.Net.Sockets/src/System/Net/Sockets/SocketAsyncEventArgs.cs:line 214
   at System.Net.Sockets.SocketAsyncEventArgs.FinishOperationAsyncSuccess(Int32 bytesTransferred, SocketFlags flags) in /_/src/libraries/System.Net.Sockets/src/System/Net/Sockets/SocketAsyncEventArgs.cs:line 1130
   at System.Net.Sockets.SocketAsyncEventArgs.<>c.<.cctor>b__176_0(UInt32 errorCode, UInt32 numBytes, NativeOverlapped* nativeOverlapped) in /_/src/libraries/System.Net.Sockets/src/System/Net/Sockets/SocketAsyncEventArgs.Windows.cs:line 1368
   at System.Threading.ThreadPoolTypedWorkItemQueue.System.Threading.IThreadPoolWorkItem.Execute() in /_/src/libraries/System.Private.CoreLib/src/System/Threading/ThreadPoolWorkQueue.cs:line 1187
   at System.Threading.ThreadPoolWorkQueue.Dispatch() in /_/src/libraries/System.Private.CoreLib/src/System/Threading/ThreadPoolWorkQueue.cs:line 950
   at System.Threading.PortableThreadPool.WorkerThread.WorkerDoWork(PortableThreadPool threadPoolInstance) in /_/src/libraries/System.Private.CoreLib/src/System/Threading/PortableThreadPool.WorkerThread.cs:line 134
   at System.Threading.PortableThreadPool.WorkerThread.WorkerThreadStart() in /_/src/libraries/System.Private.CoreLib/src/System/Threading/PortableThreadPool.WorkerThread.cs:line 110
   at System.Threading.Thread.StartCallback() in /_/src/coreclr/System.Private.CoreLib/src/System/Threading/Thread.CoreCLR.cs:line 116
--- End of stack trace from previous location ---

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