System.Net.Http.Functional.Tests.SocketsHttpHandler_DiagnosticsTest_Http2.SendAsync_ExpectedDiagnosticSourceActivityLoggingDoesNotOverwriteHeader
[FAIL] System.Net.Http.Functional.Tests.SocketsHttpHandler_HttpClientHandler_ClientCertificates_Test.AutomaticOrManual_DoesntFailRegardlessOfWhetherClientCertsAreAvailable(mode: Automatic)
System.AggregateException : One or more errors occurred. (The SSL connection could not be established, see inner exception.) (Authentication failed, see inner exception.)
---- System.Net.Http.HttpRequestException : The SSL connection could not be established, see inner exception.
-------- System.Security.Authentication.AuthenticationException : Authentication failed, see inner exception.
------------ Interop+AppleCrypto+SslException : Internal error
---- System.Security.Authentication.AuthenticationException : Authentication failed, see inner exception.
-------- Interop+AppleCrypto+SslException : bad protocol version
at System.Threading.Tasks.TaskTimeoutExtensions.WhenAllOrAnyFailed(Task[] tasks) in /_/src/libraries/Common/tests/System/Threading/Tasks/TaskTimeoutExtensions.cs:line 87
at System.Net.Http.Functional.Tests.HttpClientHandler_ClientCertificates_Test.<>c__DisplayClass8_0.<AutomaticOrManual_DoesntFailRegardlessOfWhetherClientCertsAreAvailable>b__0(LoopbackServer server) in /_/src/libraries/Common/tests/System/Net/Http/HttpClientHandlerTest.ClientCertificates.cs:line 204
at System.Net.Test.Common.LoopbackServer.CreateServerAsync(Func`2 funcAsync, Options options) in /_/src/libraries/Common/tests/System/Net/Http/LoopbackServer.cs:line 107
at System.Net.Http.Functional.Tests.HttpClientHandler_ClientCertificates_Test.AutomaticOrManual_DoesntFailRegardlessOfWhetherClientCertsAreAvailable(ClientCertificateOption mode) in /_/src/libraries/Common/tests/System/Net/Http/HttpClientHandlerTest.ClientCertificates.cs:line 195
{
"ErrorMessage": "Interop+AppleCrypto+SslException : Internal error",
"BuildRetry": false,
"ExcludeConsoleLog": false
}
Build Information
Build: https://dev.azure.com/dnceng-public/public/_build/results?buildId=1538638
Build error leg or test failing: System.Net.Http.Functional.Tests.SocketsHttpHandler_DiagnosticsTest_Http2.SendAsync_ExpectedDiagnosticSourceActivityLoggingDoesNotOverwriteHeader
Error Message
Fill the error message using step by step known issues guidance.
{ "ErrorMessage": "Interop+AppleCrypto+SslException : Internal error", "BuildRetry": false, "ExcludeConsoleLog": false }Known issue validation
Build: 🔎 https://dev.azure.com/dnceng-public/public/_build/results?buildId=1538638
Error message validated:
[Interop+AppleCrypto+SslException : Internal error]Result validation: ✅ Known issue matched with the provided build.
Validation performed at: 8/4/2026 4:31:52 PM UTC
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