[HttpStress] Another attempt on unobserved exceptions #111126

antonfirsov · 2025-01-06T16:56:14Z

This is a copy of the changes in #105336 just to give it a try.
cc @MihaZupan @ManickaP

…ress-unobserved-exs-01

antonfirsov · 2025-01-06T16:56:32Z

/azp run runtime-libraries stress-http

azure-pipelines · 2025-01-06T16:56:42Z

Azure Pipelines successfully started running 1 pipeline(s).

dotnet-policy-service · 2025-01-06T16:56:51Z

Tagging subscribers to this area: @dotnet/ncl
See info in area-owners.md if you want to be subscribed.

MihaZupan · 2025-01-07T12:24:51Z

Unobserved exceptions of 179 different types

I guess it worked? :)

ManickaP · 2025-01-07T12:54:06Z

src/libraries/System.Net.Quic/src/System/Net/Quic/QuicException.cs

    /// The transport protocol error code associated with the error.
    /// </summary>
    public long? TransportErrorCode { get; }
+


Please don't merge this particular change, that's just for debugging from where the UOE comes from 😄

antonfirsov · 2025-01-07T15:00:41Z

Invoke-WebRequest https://dev.azure.com/dnceng-public/cbb18261-c48f-4abb-8651-8cdcb5474649/_apis/build/builds/908003/logs/17 -OutFile .\log.txt

Here's an arbitrary slice of the HTTP/3 log:

Details

Unobserved exception: System.AggregateException: A Task's exception(s) were not observed either by Waiting on the Task or accessing its Exception property. As a result, the unobserved exception was rethrown by the finalizer thread. (Writing has been aborted on the stream.)
 ---> System.Net.Quic.QuicException: Writing has been aborted on the stream.
   at System.Net.Quic.ResettableValueTaskSource.TryComplete(Exception exception, Boolean final) in /_/src/libraries/System.Net.Quic/src/System/Net/Quic/Internal/ResettableValueTaskSource.cs:line 177
   at System.Net.Quic.ResettableValueTaskSource.TrySetException(Exception exception, Boolean final) in /_/src/libraries/System.Net.Quic/src/System/Net/Quic/Internal/ResettableValueTaskSource.cs:line 241
   at System.Net.Quic.QuicStream.Abort(QuicAbortDirection abortDirection, Int64 errorCode) in /_/src/libraries/System.Net.Quic/src/System/Net/Quic/QuicStream.cs:line 498
   at System.Net.Http.Http3RequestStream.SendAsync(CancellationToken cancellationToken) in /_/src/libraries/System.Net.Http/src/System/Net/Http/SocketsHttpHandler/Http3RequestStream.cs:line 214
   at System.Runtime.CompilerServices.AsyncTaskMethodBuilder`1.AsyncStateMachineBox`1.ExecutionContextCallback(Object s) in /_/src/libraries/System.Private.CoreLib/src/System/Runtime/CompilerServices/AsyncTaskMethodBuilderT.cs:line 292
   at System.Threading.ExecutionContext.RunInternal(ExecutionContext executionContext, ContextCallback callback, Object state) in /_/src/libraries/System.Private.CoreLib/src/System/Threading/ExecutionContext.cs:line 179
   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.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 3478
   at System.Threading.Tasks.Task`1.TrySetResult(TResult result) in /_/src/libraries/System.Private.CoreLib/src/System/Threading/Tasks/Future.cs:line 387
   at System.Threading.Tasks.Task.TwoTaskWhenAnyPromise`1.Invoke(Task completingTask) in /_/src/libraries/System.Private.CoreLib/src/System/Threading/Tasks/Task.cs:line 6681
   at System.Threading.Tasks.Task.RunContinuations(Object continuationObject) in /_/src/libraries/System.Private.CoreLib/src/System/Threading/Tasks/Task.cs:line 3496
   at System.Threading.Tasks.Task.TrySetCanceled(CancellationToken tokenToRecord, Object cancellationException) in /_/src/libraries/System.Private.CoreLib/src/System/Threading/Tasks/Task.cs:line 3432
   at System.Runtime.CompilerServices.AsyncTaskMethodBuilder`1.SetException(Exception exception, Task`1& taskField) in /_/src/libraries/System.Private.CoreLib/src/System/Runtime/CompilerServices/AsyncTaskMethodBuilderT.cs:line 534
   at System.Net.Http.Http3RequestStream.ReadResponseAsync(CancellationToken cancellationToken) in /_/src/libraries/System.Net.Http/src/System/Net/Http/SocketsHttpHandler/Http3RequestStream.cs:line 387
   at System.Runtime.CompilerServices.AsyncTaskMethodBuilder`1.AsyncStateMachineBox`1.ExecutionContextCallback(Object s) in /_/src/libraries/System.Private.CoreLib/src/System/Runtime/CompilerServices/AsyncTaskMethodBuilderT.cs:line 292
   at System.Threading.ExecutionContext.RunInternal(ExecutionContext executionContext, ContextCallback callback, Object state) in /_/src/libraries/System.Private.CoreLib/src/System/Threading/ExecutionContext.cs:line 179
   at System.Runtime.CompilerServices.AsyncTaskMethodBuilder`1.AsyncStateMachineBox`1.MoveNext(Thread threadPoolThread) in /_/src/libraries/System.Private.CoreLib/src/System/Runtime/CompilerServices/AsyncTaskMethodBuilderT.cs:line 366
   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 3478
   at System.Threading.Tasks.Task.TrySetCanceled(CancellationToken tokenToRecord, Object cancellationException) in /_/src/libraries/System.Private.CoreLib/src/System/Threading/Tasks/Task.cs:line 3432
   at System.Runtime.CompilerServices.AsyncTaskMethodBuilder`1.SetException(Exception exception, Task`1& taskField) in /_/src/libraries/System.Private.CoreLib/src/System/Runtime/CompilerServices/AsyncTaskMethodBuilderT.cs:line 520
   at System.Runtime.CompilerServices.AsyncValueTaskMethodBuilder`1.SetException(Exception exception) in /_/src/libraries/System.Private.CoreLib/src/System/Runtime/CompilerServices/AsyncValueTaskMethodBuilderT.cs:line 61
   at System.Net.Http.Http3RequestStream.ReadFrameEnvelopeAsync(CancellationToken cancellationToken) in /_/src/libraries/System.Net.Http/src/System/Net/Http/SocketsHttpHandler/Http3RequestStream.cs:line 850
   at System.Runtime.CompilerServices.AsyncTaskMethodBuilder`1.AsyncStateMachineBox`1.ExecutionContextCallback(Object s) in /_/src/libraries/System.Private.CoreLib/src/System/Runtime/CompilerServices/AsyncTaskMethodBuilderT.cs:line 292
   at System.Threading.ExecutionContext.RunInternal(ExecutionContext executionContext, ContextCallback callback, Object state) in /_/src/libraries/System.Private.CoreLib/src/System/Threading/ExecutionContext.cs:line 179
   at System.Runtime.CompilerServices.AsyncTaskMethodBuilder`1.AsyncStateMachineBox`1.MoveNext(Thread threadPoolThread) in /_/src/libraries/System.Private.CoreLib/src/System/Runtime/CompilerServices/AsyncTaskMethodBuilderT.cs:line 366
   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 3478
   at System.Threading.Tasks.Task.TrySetCanceled(CancellationToken tokenToRecord, Object cancellationException) in /_/src/libraries/System.Private.CoreLib/src/System/Threading/Tasks/Task.cs:line 3432
   at System.Runtime.CompilerServices.AsyncTaskMethodBuilder`1.SetException(Exception exception, Task`1& taskField) in /_/src/libraries/System.Private.CoreLib/src/System/Runtime/CompilerServices/AsyncTaskMethodBuilderT.cs:line 520
   at System.Net.Quic.QuicStream.ReadAsync(Memory`1 buffer, CancellationToken cancellationToken) in /_/src/libraries/System.Net.Quic/src/System/Net/Quic/QuicStream.cs:line 323
   at System.Runtime.CompilerServices.AsyncTaskMethodBuilder`1.AsyncStateMachineBox`1.ExecutionContextCallback(Object s) in /_/src/libraries/System.Private.CoreLib/src/System/Runtime/CompilerServices/AsyncTaskMethodBuilderT.cs:line 292
   at System.Threading.ExecutionContext.RunFromThreadPoolDispatchLoop(Thread threadPoolThread, ExecutionContext executionContext, ContextCallback callback, Object state) in /_/src/libraries/System.Private.CoreLib/src/System/Threading/ExecutionContext.cs:line 264
   at System.Runtime.CompilerServices.AsyncTaskMethodBuilder`1.AsyncStateMachineBox`1.MoveNext(Thread threadPoolThread) in /_/src/libraries/System.Private.CoreLib/src/System/Runtime/CompilerServices/AsyncTaskMethodBuilderT.cs:line 372
   at System.Runtime.CompilerServices.AsyncTaskMethodBuilder`1.AsyncStateMachineBox`1.ExecuteFromThreadPool(Thread threadPoolThread) in /_/src/libraries/System.Private.CoreLib/src/System/Runtime/CompilerServices/AsyncTaskMethodBuilderT.cs:line 347
   at System.Threading.ThreadPoolWorkQueue.Dispatch() in /_/src/libraries/System.Private.CoreLib/src/System/Threading/ThreadPoolWorkQueue.cs:line 1118
   at System.Threading.PortableThreadPool.WorkerThread.WorkerThreadStart() in /_/src/libraries/System.Private.CoreLib/src/System/Threading/PortableThreadPool.WorkerThread.cs:line 127
   at System.Threading.Thread.StartHelper.RunWorker() in /_/src/libraries/System.Private.CoreLib/src/System/Threading/Thread.cs:line 77
--- End of stack trace from previous location ---

   --- End of inner exception stack trace ---
Unobserved exception: System.AggregateException: A Task's exception(s) were not observed either by Waiting on the Task or accessing its Exception property. As a result, the unobserved exception was rethrown by the finalizer thread. (Writing has been aborted on the stream.)
 ---> System.Net.Quic.QuicException: Writing has been aborted on the stream.
   at System.Net.Quic.ResettableValueTaskSource.TryComplete(Exception exception, Boolean final) in /_/src/libraries/System.Net.Quic/src/System/Net/Quic/Internal/ResettableValueTaskSource.cs:line 177
   at System.Net.Quic.ResettableValueTaskSource.TrySetException(Exception exception, Boolean final) in /_/src/libraries/System.Net.Quic/src/System/Net/Quic/Internal/ResettableValueTaskSource.cs:line 241
   at System.Net.Quic.QuicStream.Abort(QuicAbortDirection abortDirection, Int64 errorCode) in /_/src/libraries/System.Net.Quic/src/System/Net/Quic/QuicStream.cs:line 498
   at System.Net.Quic.QuicStream.<>c.<.ctor>b__26_1(Object target) in /_/src/libraries/System.Net.Quic/src/System/Net/Quic/QuicStream.cs:line 101
   at System.Net.Quic.ResettableValueTaskSource.<>c.<TryGetValueTask>b__14_0(Object obj, CancellationToken cancellationToken) in /_/src/libraries/System.Net.Quic/src/System/Net/Quic/Internal/ResettableValueTaskSource.cs:line 88
   at System.Threading.CancellationTokenSource.Invoke(Delegate d, Object state, CancellationTokenSource source) in /_/src/libraries/System.Private.CoreLib/src/System/Threading/CancellationTokenSource.cs:line 999
   at System.Threading.CancellationTokenSource.Register(Delegate callback, Object stateForCallback, SynchronizationContext syncContext, ExecutionContext executionContext) in /_/src/libraries/System.Private.CoreLib/src/System/Threading/CancellationTokenSource.cs:line 691
   at System.Threading.CancellationToken.Register(Delegate callback, Object state, Boolean useSynchronizationContext, Boolean useExecutionContext) in /_/src/libraries/System.Private.CoreLib/src/System/Threading/CancellationToken.cs:line 292
   at System.Net.Quic.ResettableValueTaskSource.TryGetValueTask(ValueTask& valueTask, Object keepAlive, CancellationToken cancellationToken) in /_/src/libraries/System.Net.Quic/src/System/Net/Quic/Internal/ResettableValueTaskSource.cs:line 80
   at System.Net.Quic.QuicStream.WriteAsync(ReadOnlyMemory`1 buffer, Boolean completeWrites, CancellationToken cancellationToken) in /_/src/libraries/System.Net.Quic/src/System/Net/Quic/QuicStream.cs:line 385
   at System.Net.Quic.QuicStream.WriteAsync(ReadOnlyMemory`1 buffer, CancellationToken cancellationToken) in /_/src/libraries/System.Net.Quic/src/System/Net/Quic/QuicStream.cs:line 353
   at System.Net.Http.Http3RequestStream.WriteRequestContentAsync(ReadOnlyMemory`1 buffer, CancellationToken cancellationToken) in /_/src/libraries/System.Net.Http/src/System/Net/Http/SocketsHttpHandler/Http3RequestStream.cs:line 511
   at System.Runtime.CompilerServices.AsyncTaskMethodBuilder`1.AsyncStateMachineBox`1.ExecutionContextCallback(Object s) in /_/src/libraries/System.Private.CoreLib/src/System/Runtime/CompilerServices/AsyncTaskMethodBuilderT.cs:line 292
   at System.Threading.ExecutionContext.RunFromThreadPoolDispatchLoop(Thread threadPoolThread, ExecutionContext executionContext, ContextCallback callback, Object state) in /_/src/libraries/System.Private.CoreLib/src/System/Threading/ExecutionContext.cs:line 264
   at System.Runtime.CompilerServices.AsyncTaskMethodBuilder`1.AsyncStateMachineBox`1.MoveNext(Thread threadPoolThread) in /_/src/libraries/System.Private.CoreLib/src/System/Runtime/CompilerServices/AsyncTaskMethodBuilderT.cs:line 372
   at System.Runtime.CompilerServices.AsyncTaskMethodBuilder`1.AsyncStateMachineBox`1.ExecuteFromThreadPool(Thread threadPoolThread) in /_/src/libraries/System.Private.CoreLib/src/System/Runtime/CompilerServices/AsyncTaskMethodBuilderT.cs:line 347
   at System.Threading.ThreadPoolWorkQueue.Dispatch() in /_/src/libraries/System.Private.CoreLib/src/System/Threading/ThreadPoolWorkQueue.cs:line 1118
   at System.Threading.PortableThreadPool.WorkerThread.WorkerThreadStart() in /_/src/libraries/System.Private.CoreLib/src/System/Threading/PortableThreadPool.WorkerThread.cs:line 127
   at System.Threading.Thread.StartHelper.RunWorker() in /_/src/libraries/System.Private.CoreLib/src/System/Threading/Thread.cs:line 77
--- End of stack trace from previous location ---

   --- End of inner exception stack trace ---
Unobserved exception: System.AggregateException: A Task's exception(s) were not observed either by Waiting on the Task or accessing its Exception property. As a result, the unobserved exception was rethrown by the finalizer thread. (Writing has been aborted on the stream.)
 ---> System.Net.Quic.QuicException: Writing has been aborted on the stream.
   at System.Net.Quic.ResettableValueTaskSource.TryComplete(Exception exception, Boolean final) in /_/src/libraries/System.Net.Quic/src/System/Net/Quic/Internal/ResettableValueTaskSource.cs:line 177
   at System.Net.Quic.ResettableValueTaskSource.TrySetException(Exception exception, Boolean final) in /_/src/libraries/System.Net.Quic/src/System/Net/Quic/Internal/ResettableValueTaskSource.cs:line 241
   at System.Net.Quic.QuicStream.Abort(QuicAbortDirection abortDirection, Int64 errorCode) in /_/src/libraries/System.Net.Quic/src/System/Net/Quic/QuicStream.cs:line 498
   at System.Net.Quic.QuicStream.<>c.<.ctor>b__26_1(Object target) in /_/src/libraries/System.Net.Quic/src/System/Net/Quic/QuicStream.cs:line 101
   at System.Net.Quic.ResettableValueTaskSource.<>c.<TryGetValueTask>b__14_0(Object obj, CancellationToken cancellationToken) in /_/src/libraries/System.Net.Quic/src/System/Net/Quic/Internal/ResettableValueTaskSource.cs:line 88
   at System.Threading.CancellationTokenSource.Invoke(Delegate d, Object state, CancellationTokenSource source) in /_/src/libraries/System.Private.CoreLib/src/System/Threading/CancellationTokenSource.cs:line 999
   at System.Threading.CancellationTokenSource.Register(Delegate callback, Object stateForCallback, SynchronizationContext syncContext, ExecutionContext executionContext) in /_/src/libraries/System.Private.CoreLib/src/System/Threading/CancellationTokenSource.cs:line 691
   at System.Threading.CancellationToken.Register(Delegate callback, Object state, Boolean useSynchronizationContext, Boolean useExecutionContext) in /_/src/libraries/System.Private.CoreLib/src/System/Threading/CancellationToken.cs:line 292
   at System.Net.Quic.ResettableValueTaskSource.TryGetValueTask(ValueTask& valueTask, Object keepAlive, CancellationToken cancellationToken) in /_/src/libraries/System.Net.Quic/src/System/Net/Quic/Internal/ResettableValueTaskSource.cs:line 80
   at System.Net.Quic.QuicStream.WriteAsync(ReadOnlyMemory`1 buffer, Boolean completeWrites, CancellationToken cancellationToken) in /_/src/libraries/System.Net.Quic/src/System/Net/Quic/QuicStream.cs:line 385
   at System.Net.Http.Http3RequestStream.FlushSendBufferAsync(Boolean endStream, CancellationToken cancellationToken) in /_/src/libraries/System.Net.Http/src/System/Net/Http/SocketsHttpHandler/Http3RequestStream.cs:line 540
   at System.Net.Http.Http3RequestStream.SendAsync(CancellationToken cancellationToken) in /_/src/libraries/System.Net.Http/src/System/Net/Http/SocketsHttpHandler/Http3RequestStream.cs:line 172
   at System.Runtime.CompilerServices.AsyncMethodBuilderCore.Start[TStateMachine](TStateMachine& stateMachine) in /_/src/libraries/System.Private.CoreLib/src/System/Runtime/CompilerServices/AsyncMethodBuilderCore.cs:line 38
   at System.Net.Http.Http3RequestStream.SendAsync(CancellationToken cancellationToken)
   at System.Net.Http.Http3Connection.SendAsync(HttpRequestMessage request, Int64 queueStartingTimestamp, Activity waitForConnectionActivity, CancellationToken cancellationToken) in /_/src/libraries/System.Net.Http/src/System/Net/Http/SocketsHttpHandler/Http3Connection.cs:line 318
   at System.Runtime.CompilerServices.AsyncTaskMethodBuilder`1.AsyncStateMachineBox`1.ExecutionContextCallback(Object s) in /_/src/libraries/System.Private.CoreLib/src/System/Runtime/CompilerServices/AsyncTaskMethodBuilderT.cs:line 292
   at System.Threading.ExecutionContext.RunInternal(ExecutionContext executionContext, ContextCallback callback, Object state) in /_/src/libraries/System.Private.CoreLib/src/System/Threading/ExecutionContext.cs:line 179
   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.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 3478
   at System.Threading.Tasks.Task`1.TrySetResult(TResult result) in /_/src/libraries/System.Private.CoreLib/src/System/Threading/Tasks/Future.cs:line 387
   at System.Runtime.CompilerServices.AsyncTaskMethodBuilder`1.SetExistingTaskResult(Task`1 task, TResult result) in /_/src/libraries/System.Private.CoreLib/src/System/Runtime/CompilerServices/AsyncTaskMethodBuilderT.cs:line 494
   at System.Net.Quic.QuicConnection.OpenOutboundStreamAsync(QuicStreamType type, CancellationToken cancellationToken) in /_/src/libraries/System.Net.Quic/src/System/Net/Quic/QuicConnection.cs:line 558
   at System.Runtime.CompilerServices.AsyncTaskMethodBuilder`1.AsyncStateMachineBox`1.ExecutionContextCallback(Object s) in /_/src/libraries/System.Private.CoreLib/src/System/Runtime/CompilerServices/AsyncTaskMethodBuilderT.cs:line 292
   at System.Threading.ExecutionContext.RunFromThreadPoolDispatchLoop(Thread threadPoolThread, ExecutionContext executionContext, ContextCallback callback, Object state) in /_/src/libraries/System.Private.CoreLib/src/System/Threading/ExecutionContext.cs:line 264
   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.Runtime.CompilerServices.AsyncTaskMethodBuilder`1.AsyncStateMachineBox`1.ExecuteFromThreadPool(Thread threadPoolThread) in /_/src/libraries/System.Private.CoreLib/src/System/Runtime/CompilerServices/AsyncTaskMethodBuilderT.cs:line 347
   at System.Threading.ThreadPoolWorkQueue.Dispatch() in /_/src/libraries/System.Private.CoreLib/src/System/Threading/ThreadPoolWorkQueue.cs:line 1118
   at System.Threading.PortableThreadPool.WorkerThread.WorkerThreadStart() in /_/src/libraries/System.Private.CoreLib/src/System/Threading/PortableThreadPool.WorkerThread.cs:line 127
   at System.Threading.Thread.StartHelper.RunWorker() in /_/src/libraries/System.Private.CoreLib/src/System/Threading/Thread.cs:line 77
--- End of stack trace from previous location ---

   --- End of inner exception stack trace ---
Unobserved exception: System.AggregateException: A Task's exception(s) were not observed either by Waiting on the Task or accessing its Exception property. As a result, the unobserved exception was rethrown by the finalizer thread. (Writing has been aborted on the stream.)
 ---> System.Net.Quic.QuicException: Writing has been aborted on the stream.
   at System.Net.Quic.ResettableValueTaskSource.TryComplete(Exception exception, Boolean final) in /_/src/libraries/System.Net.Quic/src/System/Net/Quic/Internal/ResettableValueTaskSource.cs:line 177
   at System.Net.Quic.ResettableValueTaskSource.TrySetException(Exception exception, Boolean final) in /_/src/libraries/System.Net.Quic/src/System/Net/Quic/Internal/ResettableValueTaskSource.cs:line 241
   at System.Net.Quic.QuicStream.Abort(QuicAbortDirection abortDirection, Int64 errorCode) in /_/src/libraries/System.Net.Quic/src/System/Net/Quic/QuicStream.cs:line 498
   at System.Net.Quic.QuicStream.<>c.<.ctor>b__26_1(Object target) in /_/src/libraries/System.Net.Quic/src/System/Net/Quic/QuicStream.cs:line 101
   at System.Net.Quic.ResettableValueTaskSource.<>c.<TryGetValueTask>b__14_0(Object obj, CancellationToken cancellationToken) in /_/src/libraries/System.Net.Quic/src/System/Net/Quic/Internal/ResettableValueTaskSource.cs:line 88
   at System.Threading.CancellationTokenSource.Invoke(Delegate d, Object state, CancellationTokenSource source) in /_/src/libraries/System.Private.CoreLib/src/System/Threading/CancellationTokenSource.cs:line 999
   at System.Threading.CancellationTokenSource.Register(Delegate callback, Object stateForCallback, SynchronizationContext syncContext, ExecutionContext executionContext) in /_/src/libraries/System.Private.CoreLib/src/System/Threading/CancellationTokenSource.cs:line 691
   at System.Threading.CancellationToken.Register(Delegate callback, Object state, Boolean useSynchronizationContext, Boolean useExecutionContext) in /_/src/libraries/System.Private.CoreLib/src/System/Threading/CancellationToken.cs:line 292
   at System.Net.Quic.ResettableValueTaskSource.TryGetValueTask(ValueTask& valueTask, Object keepAlive, CancellationToken cancellationToken) in /_/src/libraries/System.Net.Quic/src/System/Net/Quic/Internal/ResettableValueTaskSource.cs:line 80
   at System.Net.Quic.QuicStream.WriteAsync(ReadOnlyMemory`1 buffer, Boolean completeWrites, CancellationToken cancellationToken) in /_/src/libraries/System.Net.Quic/src/System/Net/Quic/QuicStream.cs:line 385
   at System.Net.Http.Http3RequestStream.FlushSendBufferAsync(Boolean endStream, CancellationToken cancellationToken) in /_/src/libraries/System.Net.Http/src/System/Net/Http/SocketsHttpHandler/Http3RequestStream.cs:line 540
   at System.Net.Http.Http3RequestStream.SendAsync(CancellationToken cancellationToken) in /_/src/libraries/System.Net.Http/src/System/Net/Http/SocketsHttpHandler/Http3RequestStream.cs:line 172
   at System.Runtime.CompilerServices.AsyncMethodBuilderCore.Start[TStateMachine](TStateMachine& stateMachine) in /_/src/libraries/System.Private.CoreLib/src/System/Runtime/CompilerServices/AsyncMethodBuilderCore.cs:line 38
   at System.Net.Http.Http3RequestStream.SendAsync(CancellationToken cancellationToken)
   at System.Net.Http.Http3Connection.SendAsync(HttpRequestMessage request, Int64 queueStartingTimestamp, Activity waitForConnectionActivity, CancellationToken cancellationToken) in /_/src/libraries/System.Net.Http/src/System/Net/Http/SocketsHttpHandler/Http3Connection.cs:line 318
   at System.Runtime.CompilerServices.AsyncTaskMethodBuilder`1.AsyncStateMachineBox`1.ExecutionContextCallback(Object s) in /_/src/libraries/System.Private.CoreLib/src/System/Runtime/CompilerServices/AsyncTaskMethodBuilderT.cs:line 292
   at System.Threading.ExecutionContext.RunInternal(ExecutionContext executionContext, ContextCallback callback, Object state) in /_/src/libraries/System.Private.CoreLib/src/System/Threading/ExecutionContext.cs:line 179
   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.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 3478
   at System.Threading.Tasks.Task`1.TrySetResult(TResult result) in /_/src/libraries/System.Private.CoreLib/src/System/Threading/Tasks/Future.cs:line 387
   at System.Runtime.CompilerServices.AsyncTaskMethodBuilder`1.SetExistingTaskResult(Task`1 task, TResult result) in /_/src/libraries/System.Private.CoreLib/src/System/Runtime/CompilerServices/AsyncTaskMethodBuilderT.cs:line 494
   at System.Net.Quic.QuicConnection.OpenOutboundStreamAsync(QuicStreamType type, CancellationToken cancellationToken) in /_/src/libraries/System.Net.Quic/src/System/Net/Quic/QuicConnection.cs:line 558
   at System.Runtime.CompilerServices.AsyncTaskMethodBuilder`1.AsyncStateMachineBox`1.ExecutionContextCallback(Object s) in /_/src/libraries/System.Private.CoreLib/src/System/Runtime/CompilerServices/AsyncTaskMethodBuilderT.cs:line 292
   at System.Threading.ExecutionContext.RunFromThreadPoolDispatchLoop(Thread threadPoolThread, ExecutionContext executionContext, ContextCallback callback, Object state) in /_/src/libraries/System.Private.CoreLib/src/System/Threading/ExecutionContext.cs:line 264
   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.Runtime.CompilerServices.AsyncTaskMethodBuilder`1.AsyncStateMachineBox`1.ExecuteFromThreadPool(Thread threadPoolThread) in /_/src/libraries/System.Private.CoreLib/src/System/Runtime/CompilerServices/AsyncTaskMethodBuilderT.cs:line 347
   at System.Threading.ThreadPoolWorkQueue.Dispatch() in /_/src/libraries/System.Private.CoreLib/src/System/Threading/ThreadPoolWorkQueue.cs:line 1118
   at System.Threading.PortableThreadPool.WorkerThread.WorkerThreadStart() in /_/src/libraries/System.Private.CoreLib/src/System/Threading/PortableThreadPool.WorkerThread.cs:line 127
   at System.Threading.Thread.StartHelper.RunWorker() in /_/src/libraries/System.Private.CoreLib/src/System/Threading/Thread.cs:line 77
--- End of stack trace from previous location ---

   --- End of inner exception stack trace ---
Unobserved exception: System.AggregateException: A Task's exception(s) were not observed either by Waiting on the Task or accessing its Exception property. As a result, the unobserved exception was rethrown by the finalizer thread. (Writing has been aborted on the stream.)
 ---> System.Net.Quic.QuicException: Writing has been aborted on the stream.
   at System.Net.Quic.ResettableValueTaskSource.TryComplete(Exception exception, Boolean final) in /_/src/libraries/System.Net.Quic/src/System/Net/Quic/Internal/ResettableValueTaskSource.cs:line 177
   at System.Net.Quic.ResettableValueTaskSource.TrySetException(Exception exception, Boolean final) in /_/src/libraries/System.Net.Quic/src/System/Net/Quic/Internal/ResettableValueTaskSource.cs:line 241
   at System.Net.Quic.QuicStream.Abort(QuicAbortDirection abortDirection, Int64 errorCode) in /_/src/libraries/System.Net.Quic/src/System/Net/Quic/QuicStream.cs:line 498
   at System.Net.Http.Http3RequestStream.SendAsync(CancellationToken cancellationToken) in /_/src/libraries/System.Net.Http/src/System/Net/Http/SocketsHttpHandler/Http3RequestStream.cs:line 214
   at System.Runtime.CompilerServices.AsyncMethodBuilderCore.Start[TStateMachine](TStateMachine& stateMachine) in /_/src/libraries/System.Private.CoreLib/src/System/Runtime/CompilerServices/AsyncMethodBuilderCore.cs:line 38
   at System.Net.Http.Http3RequestStream.SendAsync(CancellationToken cancellationToken)
   at System.Net.Http.Http3Connection.SendAsync(HttpRequestMessage request, Int64 queueStartingTimestamp, Activity waitForConnectionActivity, CancellationToken cancellationToken) in /_/src/libraries/System.Net.Http/src/System/Net/Http/SocketsHttpHandler/Http3Connection.cs:line 318
   at System.Runtime.CompilerServices.AsyncTaskMethodBuilder`1.AsyncStateMachineBox`1.ExecutionContextCallback(Object s) in /_/src/libraries/System.Private.CoreLib/src/System/Runtime/CompilerServices/AsyncTaskMethodBuilderT.cs:line 292
   at System.Threading.ExecutionContext.RunInternal(ExecutionContext executionContext, ContextCallback callback, Object state) in /_/src/libraries/System.Private.CoreLib/src/System/Threading/ExecutionContext.cs:line 179
   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.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 3478
   at System.Threading.Tasks.Task`1.TrySetResult(TResult result) in /_/src/libraries/System.Private.CoreLib/src/System/Threading/Tasks/Future.cs:line 387
   at System.Runtime.CompilerServices.AsyncTaskMethodBuilder`1.SetExistingTaskResult(Task`1 task, TResult result) in /_/src/libraries/System.Private.CoreLib/src/System/Runtime/CompilerServices/AsyncTaskMethodBuilderT.cs:line 494
   at System.Net.Quic.QuicConnection.OpenOutboundStreamAsync(QuicStreamType type, CancellationToken cancellationToken) in /_/src/libraries/System.Net.Quic/src/System/Net/Quic/QuicConnection.cs:line 558
   at System.Runtime.CompilerServices.AsyncTaskMethodBuilder`1.AsyncStateMachineBox`1.ExecutionContextCallback(Object s) in /_/src/libraries/System.Private.CoreLib/src/System/Runtime/CompilerServices/AsyncTaskMethodBuilderT.cs:line 292
   at System.Threading.ExecutionContext.RunFromThreadPoolDispatchLoop(Thread threadPoolThread, ExecutionContext executionContext, ContextCallback callback, Object state) in /_/src/libraries/System.Private.CoreLib/src/System/Threading/ExecutionContext.cs:line 264
   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.Runtime.CompilerServices.AsyncTaskMethodBuilder`1.AsyncStateMachineBox`1.ExecuteFromThreadPool(Thread threadPoolThread) in /_/src/libraries/System.Private.CoreLib/src/System/Runtime/CompilerServices/AsyncTaskMethodBuilderT.cs:line 347
   at System.Threading.ThreadPoolWorkQueue.Dispatch() in /_/src/libraries/System.Private.CoreLib/src/System/Threading/ThreadPoolWorkQueue.cs:line 1118
   at System.Threading.PortableThreadPool.WorkerThread.WorkerThreadStart() in /_/src/libraries/System.Private.CoreLib/src/System/Threading/PortableThreadPool.WorkerThread.cs:line 127
   at System.Threading.Thread.StartHelper.RunWorker() in /_/src/libraries/System.Private.CoreLib/src/System/Threading/Thread.cs:line 77
--- End of stack trace from previous location ---

dotnet-policy-service · 2025-02-06T17:30:49Z

Draft Pull Request was automatically closed for 30 days of inactivity. Please let us know if you'd like to reopen it.

antonfirsov · 2025-03-12T22:09:18Z

/azp run runtime-libraries stress-http

antonfirsov · 2025-03-12T22:09:49Z

/azp run runtime-libraries stress-http

azure-pipelines · 2025-03-12T22:09:58Z

Azure Pipelines successfully started running 1 pipeline(s).

ManickaP and others added 4 commits September 13, 2024 16:44

Unobserved exceptions report in stress

8e93c3d

Experiment with client only UTE

58af603

WIP

656a115

Merge remote-tracking branch 'ManickaP/stress-unobserved-exs' into st…

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…ress-unobserved-exs-01

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antonfirsov marked this pull request as draft January 6, 2025 16:56

build-analysis bot mentioned this pull request Jan 6, 2025

System.Data.OleDb.Tests timeout in net48 x86 Release leg #87783

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kg mentioned this pull request Apr 3, 2025

SIGKILL (OOM?) while running LibraryImportGenerator.Tests w/o actionable log messages or artifacts #114241

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[wasm] Out of memory exception in System.Xml.XmlWriterApiTests.TCFullEndElement tests #110090

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MihaZupan mentioned this pull request Feb 3, 2025

UnobservedTaskException from QuicConnection that has not been disposed #112094

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antonfirsov added 2 commits March 12, 2025 22:57

Merge branch 'main' into stress-unobserved-exs-01

f5c9cc5

do not invite QuicExceptions to the party

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restarted. Azure DevOps can't recover from restarts. dotnet/dnceng#3879

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Merge branch 'main' into stress-unobserved-exs-01

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[wasm][AOT][net8.0] emcc : error - received SIGKILL (-9) #89402

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[HttpStress] Track unobserved exceptions #114225

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[HttpStress] Another attempt on unobserved exceptions #111126

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