[tests] ignore transient "Broken pipe" network errors #10681
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This should allow us to ignore failure cases like:
Mono.Android.NET_Tests, Xamarin.Android.NetTests.AndroidMessageHandlerTests.HttpContentStreamIsRewoundAfterCancellation / Release
Error message
System.AggregateException : AggregateException_ctor_DefaultMessage (Broken pipe)
----> System.Net.WebException : Broken pipe
----> Java.Net.SocketException : Broken pipe
Stack trace
at System.Threading.Tasks.Task.ThrowIfExceptional(Boolean)
at System.Threading.Tasks.Task.Wait(Int32, CancellationToken)
at System.Threading.Tasks.Task.Wait()
at NUnit.Framework.Internal.AsyncInvocationRegion.AsyncTaskInvocationRegion.WaitForPendingOperationsToComplete(Object)
at NUnit.Framework.Internal.Commands.TestMethodCommand.RunAsyncTestMethod(TestExecutionContext)
--WebException
at Xamarin.Android.Net.AndroidMessageHandler.DoSendAsync(HttpRequestMessage, CancellationToken)
at Xamarin.Android.Net.AndroidMessageHandler.SendWithNegotiateAuthenticationAsync(HttpRequestMessage, CancellationToken)
at System.Net.Http.HttpClient.<SendAsync>g__Core|83_0(HttpRequestMessage, HttpCompletionOption, CancellationTokenSource, Boolean, CancellationTokenSource, CancellationToken)
at Xamarin.Android.NetTests.AndroidMessageHandlerTests.HttpContentStreamIsRewoundAfterCancellation()
--SocketException
at Java.Interop.JniEnvironment.InstanceMethods.CallIntMethod(JniObjectReference, JniMethodInfo , JniArgumentValue*)
at Java.Interop.JniPeerMembers.JniInstanceMethods.InvokeVirtualInt32Method(String, IJavaPeerable, JniArgumentValue* )
at Java.Net.HttpURLConnection.get_ResponseCode()
at Xamarin.Android.Net.AndroidMessageHandler.<>c__DisplayClass140_0.<DoProcessRequest>b__2()
at System.Threading.Tasks.Task`1[[System.Net.HttpStatusCode, System.Net.Primitives, Version=11.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a]].InnerInvoke()
at System.Threading.Tasks.Task.<>c.<.cctor>b__289_0(Object obj)
at System.Threading.ExecutionContext.RunFromThreadPoolDispatchLoop(Thread, ExecutionContext, ContextCallback, Object)
--- End of stack trace from previous location ---
at System.Threading.ExecutionContext.RunFromThreadPoolDispatchLoop(Thread, ExecutionContext, ContextCallback, Object)
at System.Threading.Tasks.Task.ExecuteWithThreadLocal(Task&, Thread )
--- End of stack trace from previous location ---
at Xamarin.Android.Net.AndroidMessageHandler.DoProcessRequest(HttpRequestMessage, URL, HttpURLConnection, CancellationToken, RequestRedirectionState)
at Xamarin.Android.Net.AndroidMessageHandler.DoSendAsync(HttpRequestMessage, CancellationToken)
--- End of managed Java.Net.SocketException stack trace ---
java.net.SocketException: Broken pipe
at java.net.SocketOutputStream.socketWrite0(Native Method)
at java.net.SocketOutputStream.socketWrite(SocketOutputStream.java:117)
at java.net.SocketOutputStream.write(SocketOutputStream.java:161)
at com.android.okhttp.okio.Okio$1.write(Okio.java:78)
at com.android.okhttp.okio.AsyncTimeout$1.write(AsyncTimeout.java:157)
at com.android.okhttp.okio.RealBufferedSink.flush(RealBufferedSink.java:222)
at com.android.okhttp.internal.http.Http1xStream.finishRequest(Http1xStream.java:163)
at com.android.okhttp.internal.http.HttpEngine.readNetworkResponse(HttpEngine.java:748)
at com.android.okhttp.internal.http.HttpEngine.readResponse(HttpEngine.java:622)
at com.android.okhttp.internal.huc.HttpURLConnectionImpl.execute(HttpURLConnectionImpl.java:475)
at com.android.okhttp.internal.huc.HttpURLConnectionImpl.getResponse(HttpURLConnectionImpl.java:411)
at com.android.okhttp.internal.huc.HttpURLConnectionImpl.getResponseCode(HttpURLConnectionImpl.java:542)
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/azp run |
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Azure Pipelines could not run because the pipeline triggers exclude this branch/path. |
Changed the access modifier of IgnoreIfConnectionFailed from private to protected to allow access from derived classes in AndroidClientHandlerTests.
grendello
approved these changes
Jan 14, 2026
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/azp run |
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Azure Pipelines could not run because the pipeline triggers exclude this branch/path. |
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This should allow us to ignore failure cases like: