Android WebSocket failure

[ManickaP]

Build Information

Build: https://dev.azure.com/dnceng-public/cbb18261-c48f-4abb-8651-8cdcb5474649/_build/results?buildId=1197968
Build error leg or test failing: System.Net.WebSockets.Client.Tests.WorkItemExecution
Pull request: #120716

Error Message

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

{
  "ErrorMessage": "[FAIL] System.Net.WebSockets.Client.Tests",
  "ErrorPattern": "",
  "BuildRetry": false,
  "ExcludeConsoleLog": false
}

Known issue validation

Build: 🔎 https://dev.azure.com/dnceng-public/public/_build/results?buildId=1197968
Error message validated: [[FAIL] System.Net.WebSockets.Client.Tests]
Result validation: ✅ Known issue matched with the provided build.
Validation performed at: 11/11/2025 7:46:28 AM UTC

Report

Build	Definition	Test	Pull Request
1308845	dotnet/runtime	System.Net.WebSockets.Client.Tests.WorkItemExecution	#124842
1308204	dotnet/runtime	System.Net.WebSockets.Client.Tests.WorkItemExecution	#124819
1308213	dotnet/runtime	System.Net.WebSockets.Client.Tests.WorkItemExecution	#124821
1307813	dotnet/runtime	System.Net.WebSockets.Client.Tests.WorkItemExecution	#124801
1307261	dotnet/runtime	System.Net.WebSockets.Client.Tests.WorkItemExecution	#124589
1307341	dotnet/runtime	System.Net.WebSockets.Client.Tests.CancelTest_SharedHandler_Loopback.ConnectAsync_Cancel_ThrowsCancellationException	#124650
1307351	dotnet/runtime	System.Net.WebSockets.Client.Tests.WorkItemExecution	#124646
1306959	dotnet/runtime	System.Net.WebSockets.Client.Tests.WorkItemExecution
1306299	dotnet/runtime	System.Net.WebSockets.Client.Tests.WorkItemExecution	#122649
1306171	dotnet/runtime	System.Net.WebSockets.Client.Tests.WorkItemExecution	#124764
1303539	dotnet/runtime	System.Net.WebSockets.Client.Tests.WorkItemExecution	#124684
1304499	dotnet/runtime	System.Net.WebSockets.Client.Tests.WorkItemExecution	#124724
1304144	dotnet/runtime	System.Net.WebSockets.Client.Tests.WorkItemExecution
1304070	dotnet/runtime	System.Net.WebSockets.Client.Tests.WorkItemExecution	#124374
1303981	dotnet/runtime	System.Net.WebSockets.Client.Tests.WorkItemExecution	#124683
1303261	dotnet/runtime	System.Net.WebSockets.Client.Tests.WorkItemExecution	#124638
1303188	dotnet/runtime	System.Net.WebSockets.Client.Tests.WorkItemExecution	#124672
1302693	dotnet/runtime	System.Net.WebSockets.Client.Tests.WorkItemExecution	#124656
1302545	dotnet/runtime	System.Net.WebSockets.Client.Tests.WorkItemExecution	#121335
1302430	dotnet/runtime	System.Net.WebSockets.Client.Tests.WorkItemExecution	#121906
1302109	dotnet/runtime	System.Net.WebSockets.Client.Tests.CancelTest_HttpClient_Loopback.ConnectAsync_Cancel_ThrowsCancellationException	#124633
1301953	dotnet/runtime	System.Net.WebSockets.Client.Tests.WorkItemExecution	#124627
1299943	dotnet/runtime	System.Net.WebSockets.Client.Tests.WorkItemExecution	#124582
1299041	dotnet/runtime	System.Net.WebSockets.Client.Tests.WorkItemExecution	#124540
1299712	dotnet/runtime	System.Net.WebSockets.Client.Tests.WorkItemExecution	#124567
1299330	dotnet/runtime	System.Net.WebSockets.Client.Tests.WorkItemExecution	#124561
1299168	dotnet/runtime	System.Net.WebSockets.Client.Tests.WorkItemExecution	#123076
1299076	dotnet/runtime	System.Net.WebSockets.Client.Tests.WorkItemExecution	#124560
1298872	dotnet/runtime	System.Net.WebSockets.Client.Tests.WorkItemExecution	#124533
1298676	dotnet/runtime	System.Net.WebSockets.Client.Tests.WorkItemExecution	#124375
1298194	dotnet/runtime	System.Net.WebSockets.Client.Tests.WorkItemExecution
1297989	dotnet/runtime	WasmTestOnChrome-ST-System.Net.WebSockets.Client.Tests.WorkItemExecution
1297561	dotnet/runtime	System.Net.WebSockets.Client.Tests.WorkItemExecution	#124519
1296797	dotnet/runtime	System.Net.WebSockets.Client.Tests.WorkItemExecution	#124491
1297401	dotnet/runtime	System.Net.WebSockets.Client.Tests.WorkItemExecution	#124514
1297008	dotnet/runtime	System.Net.WebSockets.Client.Tests.WorkItemExecution
1296913	dotnet/runtime	System.Net.WebSockets.Client.Tests.WorkItemExecution	#124485
1296565	dotnet/runtime	System.Net.WebSockets.Client.Tests.WorkItemExecution
1296478	dotnet/runtime	System.Net.WebSockets.Client.Tests.WorkItemExecution	#124173
1296362	dotnet/runtime	System.Net.WebSockets.Client.Tests.WorkItemExecution	#124470
1296350	dotnet/runtime	System.Net.WebSockets.Client.Tests.WorkItemExecution	#124466
1296251	dotnet/runtime	System.Net.WebSockets.Client.Tests.WorkItemExecution	#124385
1296194	dotnet/runtime	WasmTestOnChrome-ST-System.Net.WebSockets.Client.Tests.WorkItemExecution
1296211	dotnet/runtime	System.Net.WebSockets.Client.Tests.WorkItemExecution	#124446
1295545	dotnet/runtime	System.Net.WebSockets.Client.Tests.WorkItemExecution	#123925
1295205	dotnet/runtime	System.Net.WebSockets.Client.Tests.WorkItemExecution	#124440
1294647	dotnet/runtime	WasmTestOnChrome-MONO-ST-System.Net.WebSockets.Client.Tests.WorkItemExecution	#124125
1294033	dotnet/runtime	System.Net.WebSockets.Client.Tests.WorkItemExecution
1291133	dotnet/runtime	WasmTestOnChrome-MONO-ST-System.Net.WebSockets.Client.Tests.WorkItemExecution	#123925
1286912	dotnet/runtime	System.Net.WebSockets.Client.Tests.WorkItemExecution	#123411
1286241	dotnet/runtime	System.Net.WebSockets.Client.Tests.WorkItemExecution	#124173
1283712	dotnet/runtime	WasmTestOnChrome-ST-System.Net.WebSockets.Client.Tests.WorkItemExecution
1283474	dotnet/runtime	System.Net.WebSockets.Client.Tests.WorkItemExecution
1280680	dotnet/runtime	System.Net.WebSockets.Client.Tests.WorkItemExecution	#123727
1279813	dotnet/runtime	System.Net.WebSockets.Client.Tests.WorkItemExecution	#123999
1273373	dotnet/runtime	System.Net.WebSockets.Client.Tests.WorkItemExecution	#123500
1272411	dotnet/runtime	WasmTestOnChrome-ST-System.Net.WebSockets.Client.Tests.WorkItemExecution	#123761
1272342	dotnet/runtime	System.Net.WebSockets.Client.Tests.SendReceiveTest_HttpClient_Loopback.SendReceive_ConnectionClosedPrematurely_ReceiveAsyncFailsAndWebSocketStateUpdated	#123500
1272171	dotnet/runtime	System.Net.WebSockets.Client.Tests.WorkItemExecution	#123757
1271359	dotnet/runtime	System.Net.WebSockets.Client.Tests.WorkItemExecution	#123739
1270337	dotnet/runtime	System.Net.WebSockets.Client.Tests.SendReceiveTest_Invoker_Loopback.SendReceive_ConnectionClosedPrematurely_ReceiveAsyncFailsAndWebSocketStateUpdated	#123500

Summary

24-Hour Hit Count	7-Day Hit Count	1-Month Count
7	30	61

[ManickaP]

Full details in https://helixr1107v0xdcypoyl9e7f.blob.core.windows.net/dotnet-runtime-refs-pull-120716-merge-b5c787ac89da4718ab/System.Net.WebSockets.Client.Tests/2/console.f54a922f.log?skoid=8eda00af-b5ec-4be9-b69b-0919a2338892&sktid=72f988bf-86f1-41af-91ab-2d7cd011db47&skt=2025-11-11T07%3A43%3A14Z&ske=2025-11-11T08%3A43%3A14Z&sks=b&skv=2024-11-04&sv=2024-11-04&st=2025-11-11T07%3A43%3A14Z&se=2025-11-11T08%3A43%3A14Z&sr=c&sp=r&sig=r0hKkTk6vsHw2nvHbzbqipA7ppG%2FyhmDfCG%2FU8itJ0U%3D:

11-09 00:05:24.831 11577 18616 I DOTNET  : System.Net.WebSockets.Client.Tests.CloseTest_SharedHandler_Loopback 9.7290199 ms
                 11-09 00:05:24.848 11577 18616 I DOTNET  : Failed tests:
                 11-09 00:05:24.849 11577 18616 I DOTNET  : 1) 	[FAIL] System.Net.WebSockets.Client.Tests.CancelTest_SharedHandler_Loopback.SendAsync_Cancel_Success   Test name: System.Net.WebSockets.Client.Tests.CancelTest_SharedHandler_Loopback.SendAsync_Cancel_Success(useSsl: False)   Test case: System.Net.WebSockets.Client.Tests.CancelTest_SharedHandler_Loopback.SendAsync_Cancel_Success
                 11-09 00:05:24.849 11577 18616 I DOTNET  :    Assembly:  [System.Net.WebSockets.Client.Tests, Version=10.0.0.0, Culture=neutral, PublicKeyToken=cc7b13ffcd2ddd51]
                 11-09 00:05:24.849 11577 18616 I DOTNET  :    Exception messages: Actual Open when System.Threading.Tasks.TaskCanceledException: A task was canceled.
                 11-09 00:05:24.849 11577 18616 I DOTNET  :    at System.Net.WebSockets.ManagedWebSocket.SendFrameFallbackAsync(MessageOpcode opcode, Boolean endOfMessage, Boolean disableCompression, ReadOnlyMemory`1 payloadBuffer, Task lockTask, CancellationToken cancellationToken)
                 11-09 00:05:24.849 11577 18616 I DOTNET  :    at System.Net.WebSockets.Client.Tests.ClientWebSocketTestBase.TestCancellation(Func`2 action, Uri server)   Exception stack traces:    at System.Net.WebSockets.Client.Tests.ClientWebSocketTestBase.TestCancellation(Func`2 action, Uri server)
                 11-09 00:05:24.849 11577 18616 I DOTNET  :    at System.Net.WebSockets.Client.Tests.CancelTestBase.RunClient_SendAsync_Cancel_Success(Uri server)
                 11-09 00:05:24.849 11577 18616 I DOTNET  :    at System.Net.WebSockets.Client.Tests.LoopbackWebSocketServer.<>c__DisplayClass1_0.<<RunAsync>b__0>d.MoveNext()
                 11-09 00:05:24.849 11577 18616 I DOTNET  : --- End of stack trace from previous location ---
                 11-09 00:05:24.849 11577 18616 I DOTNET  :    at System.Threading.Tasks.TaskTimeoutExtensions.GetRealException(Task task)
                 11-09 00:05:24.849 11577 18616 I DOTNET  : --- End of stack trace from previous location ---
                 11-09 00:05:24.849 11577 18616 I DOTNET  :    at System.Threading.Tasks.TaskTimeoutExtensions.WhenAllOrAnyFailed(Task[] tasks)
                 11-09 00:05:24.849 11577 18616 I DOTNET  :    at System.Threading.Tasks.TaskTimeoutExtensions.WhenAllOrAnyFailed(Task[] tasks, Int32 millisecondsTimeout)
                 11-09 00:05:24.849 11577 18616 I DOTNET  :    at System.Net.WebSockets.Client.Tests.LoopbackWebSocketServer.HttpRunner.RunAsync(Func`2 clientFunc, Func`3 wsServerFunc, Options options, CancellationToken clientExitCt, CancellationToken globalCt)
                 11-09 00:05:24.849 11577 18616 I DOTNET  : --- End of stack trace from previous location ---
                 11-09 00:05:24.849 11577 18616 I DOTNET  :    Execution time: 0.1041653
                 11-09 00:05:24.856 11577 18616 D DOTNET  : Mapped System.Xml.ReaderWriter.dll -> /data/user/0/net.dot.System.Net.WebSockets.Client.Tests/files/System.Xml.ReaderWriter.dll
                 11-09 00:05:24.904 11577 18616 I DOTNET  : Xml file was written to the provided writer.
                 11-09 00:05:24.904 11577 18616 I DOTNET  : 
                 11-09 00:05:24.904 11577 18616 I DOTNET  : === TEST EXECUTION SUMMARY ===
                 11-09 00:05:24.904 11577 18616 I DOTNET  : Tests run: 863 Passed: 662 Inconclusive: 0 Failed: 1 Ignored: 178 Skipped: 22

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