Build Information
Build: https://dev.azure.com/dnceng-public/public/_build/results?buildId=1494308
Build error leg or test failing: maccatalyst-x64 Release AllSubsets_NativeAOT - System.Net.HttpListener.Tests
Error Details
On the Apple NativeAOT library-test legs (maccatalyst / iossimulator AllSubsets_NativeAOT), HttpResponseStreamTests.Write_ContentToClosedConnectionSynchronously_ThrowsHttpListenerException fails its Assert.Throws check. Writing to an already-closed connection does not raise on the Darwin/Apple socket stack, so the expected HttpListenerException is never thrown:
[FAIL] System.Net.Tests.HttpResponseStreamTests.Write_ContentToClosedConnectionSynchronously_ThrowsHttpListenerException(ignoreWriteExceptions: False)
Assert.Throws() Failure: No exception was thrown
Expected: typeof(System.Net.HttpListenerException)
at System.Net.Tests.HttpResponseStreamTests.<Write_ContentToClosedConnectionSynchronously_ThrowsHttpListenerException>d__20.MoveNext() in /_/src/libraries/System.Net.HttpListener/tests/HttpResponseStreamTests.cs:line 449
The test carries [ActiveIssue(".../issues/21590", TestPlatforms.OSX | TestPlatforms.FreeBSD)], but that skip does not include TestPlatforms.MacCatalyst, so it runs and fails on the maccatalyst NativeAOT leg. NativeAOT library tests on Apple mobile were newly enabled by #125437 (merged 2026-07-02); the failure first appears on build 1492684 (2026-07-03) and reproduces on follow-up build 1494829. The ...Asynchronously... sibling variant of the same behavioural difference is catalogued in the Apple-mobile NativeAOT tracker #126697. Sibling Apple-NativeAOT library-test failures from the same source build are tracked by #130253 and #130254.
First build it occurred: https://dev.azure.com/dnceng-public/public/_build/results?buildId=1492684
Related: #126697
Error Message
{
"ErrorMessage": [
"[FAIL] System.Net.Tests.HttpResponseStreamTests.Write_ContentToClosedConnectionSynchronously_ThrowsHttpListenerException",
"Expected: typeof(System.Net.HttpListenerException)"
],
"ErrorPattern": "",
"BuildRetry": false,
"ExcludeConsoleLog": false
}Note
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Build Information
Build: https://dev.azure.com/dnceng-public/public/_build/results?buildId=1494308
Build error leg or test failing: maccatalyst-x64 Release AllSubsets_NativeAOT - System.Net.HttpListener.Tests
Error Details
On the Apple NativeAOT library-test legs (
maccatalyst/iossimulatorAllSubsets_NativeAOT),HttpResponseStreamTests.Write_ContentToClosedConnectionSynchronously_ThrowsHttpListenerExceptionfails itsAssert.Throwscheck. Writing to an already-closed connection does not raise on the Darwin/Apple socket stack, so the expectedHttpListenerExceptionis never thrown:The test carries
[ActiveIssue(".../issues/21590", TestPlatforms.OSX | TestPlatforms.FreeBSD)], but that skip does not includeTestPlatforms.MacCatalyst, so it runs and fails on the maccatalyst NativeAOT leg. NativeAOT library tests on Apple mobile were newly enabled by #125437 (merged 2026-07-02); the failure first appears on build 1492684 (2026-07-03) and reproduces on follow-up build 1494829. The...Asynchronously...sibling variant of the same behavioural difference is catalogued in the Apple-mobile NativeAOT tracker #126697. Sibling Apple-NativeAOT library-test failures from the same source build are tracked by #130253 and #130254.First build it occurred: https://dev.azure.com/dnceng-public/public/_build/results?buildId=1492684
Related: #126697
Error Message
{ "ErrorMessage": [ "[FAIL] System.Net.Tests.HttpResponseStreamTests.Write_ContentToClosedConnectionSynchronously_ThrowsHttpListenerException", "Expected: typeof(System.Net.HttpListenerException)" ], "ErrorPattern": "", "BuildRetry": false, "ExcludeConsoleLog": false }Note
🔒 Integrity filter blocked 31 items
The following items were blocked because they don't meet the GitHub integrity level.
search_issues: has lower integrity than agent requires. The agent cannot read data with integrity below "approved".issue_read: has lower integrity than agent requires. The agent cannot read data with integrity below "approved".search_issues: has lower integrity than agent requires. The agent cannot read data with integrity below "approved".search_issues: has lower integrity than agent requires. The agent cannot read data with integrity below "approved".search_issues: has lower integrity than agent requires. The agent cannot read data with integrity below "approved".search_issues: has lower integrity than agent requires. The agent cannot read data with integrity below "approved".search_issues: has lower integrity than agent requires. The agent cannot read data with integrity below "approved".search_issues: has lower integrity than agent requires. The agent cannot read data with integrity below "approved".search_issues: has lower integrity than agent requires. The agent cannot read data with integrity below "approved".search_issues: has lower integrity than agent requires. The agent cannot read data with integrity below "approved".search_issues: has lower integrity than agent requires. The agent cannot read data with integrity below "approved".search_issues: has lower integrity than agent requires. The agent cannot read data with integrity below "approved".search_issues: has lower integrity than agent requires. The agent cannot read data with integrity below "approved".search_issues: has lower integrity than agent requires. The agent cannot read data with integrity below "approved".search_issues: has lower integrity than agent requires. The agent cannot read data with integrity below "approved".search_issues: has lower integrity than agent requires. The agent cannot read data with integrity below "approved".To allow these resources, lower
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