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Test failure: System.Net.Security.Tests.TlsSessionTests.ServerSession_ExternalValidation_ConcurrentSessionsPreserveOwnCertificateChain #136560

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Description

@VincentBu

Build Information

Build: https://dev.azure.com/dnceng-public/cbb18261-c48f-4abb-8651-8cdcb5474649/_build/results?buildId=1650408
Build error leg or test failing: System.Net.Security.Tests.TlsSessionTests.ServerSession_ExternalValidation_ConcurrentSessionsPreserveOwnCertificateChain

Error Detail

Assert.NotNull() Failure: Value is null

Error Message

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

{
  "ErrorMessage": "System.Net.Security.Tests.TlsSessionTests.ServerSession_ExternalValidation_ConcurrentSessionsPreserveOwnCertificateChain",
  "BuildRetry": false,
  "ExcludeConsoleLog": false
}

Known issue validation

Build: 🔎 https://dev.azure.com/dnceng-public/public/_build/results?buildId=1650408
Error message validated: [System.Net.Security.Tests.TlsSessionTests.ServerSession_ExternalValidation_ConcurrentSessionsPreserveOwnCertificateChain]
Result validation: ✅ Known issue matched with the provided build.
Validation performed at: 10/28/2026 1:55:44 AM UTC

Report

Build Repository Test Pull Request
1654952 dotnet/runtime System.Net.Security.Tests.TlsSessionTests.ServerSession_ExternalValidation_ConcurrentSessionsPreserveOwnCertificateChain #132425
1650408 dotnet/runtime System.Net.Security.Tests.TlsSessionTests.ServerSession_ExternalValidation_ConcurrentSessionsPreserveOwnCertificateChain

Summary

24-Hour Hit Count 7-Day Hit Count 1-Month Count
0 0 2

Activity

  1. dotnet-policy-service commented on Oct 28, 2026

    @dotnet-policy-service
    Contributor

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

  2. added this to the 12.0.0 milestone on Oct 29, 2026
  3. removed
    untriagedNew issue has not been triaged by the area owner
    on Oct 29, 2026
  4. added theissue type on Oct 29, 2026
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