[Test Failure] WinHTTP: PlatformHandlerTest_Cookies_Http2.GetAsync_ReceiveSetCookieHeader_CookieAdded

[rzikm]

System.Net.Http.HttpRequestException : Error while copying content to a stream.
---- System.IO.IOException : The read operation failed, see inner exception.
-------- System.Net.Http.WinHttpException : Error 12030 calling WINHTTP_CALLBACK_STATUS_REQUEST_ERROR, 'The connection with the server was terminated abnormally'.

Build Information

Build: https://dev.azure.com/dnceng-public/cbb18261-c48f-4abb-8651-8cdcb5474649/_build/results?buildId=1377437
Build error leg or test failing: System.Net.Http.Functional.Tests.PlatformHandlerTest_Cookies_Http2.GetAsync_ReceiveSetCookieHeader_CookieAdded
Pull request: https://github.com/dotnet/runtime.git/pull/126854

Error Message

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

{
  "ErrorMessage": ["WINHTTP_CALLBACK_STATUS_REQUEST_ERROR", "PlatformHandlerTest_Cookies_Http2.GetAsync_ReceiveSetCookieHeader_CookieAdded"],
  "ErrorPattern": "",
  "BuildRetry": false,
  "ExcludeConsoleLog": false
}

Known issue validation

Build: 🔎 https://dev.azure.com/dnceng-public/public/_build/results?buildId=1377437
Error message validated: [WINHTTP_CALLBACK_STATUS_REQUEST_ERROR PlatformHandlerTest_Cookies_Http2.GetAsync_ReceiveSetCookieHeader_CookieAdded]
Result validation: ✅ Known issue matched with the provided build.
Validation performed at: 4/14/2026 6:47:35 AM UTC

Report

Build	Definition	Test	Pull Request
1377437	dotnet/runtime	System.Net.Http.Functional.Tests.PlatformHandlerTest_Cookies_Http2.GetAsync_ReceiveSetCookieHeader_CookieAdded	#126854

Summary

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

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[MihuBot]

I'm a bot. Here is a possible related and/or duplicate issue (I may be wrong):

• [WinHttpHandler] PlatformHandlerTest_Cookies_Http2.GetAsync_ReceiveSetCookieHeader test failure #33930

[ManickaP]

Kusto is also full of re-runs of this. It looks like a good candidate to look into, even if it just might be a test bug.