[wasm] SocketsHttpHandler_HttpClientHandlerTest.GetAsync_ManyDifferentResponseHeaders_ParsedCorrectly fails with "Unexpected EOF trying to read request header" #71096
Description
[18:43:56] fail: [FAIL] System.Net.Http.Functional.Tests.SocketsHttpHandler_HttpClientHandlerTest.GetAsync_ManyDifferentResponseHeaders_ParsedCorrectly(newline: "\n", fold: "\n ", dribble: True)
[18:43:56] info: System.AggregateException : One or more errors occurred. (TypeError: Failed to fetch) (Unexpected EOF trying to read request header)
[18:43:56] info: ---- System.Net.Http.HttpRequestException : TypeError: Failed to fetch
[18:43:56] info: -------- System.Runtime.InteropServices.JavaScript.JSException : TypeError: Failed to fetch
[18:43:56] info: ---- System.IO.IOException : Unexpected EOF trying to read request header
[18:43:56] info: at System.Threading.Tasks.TaskTimeoutExtensions.WhenAllOrAnyFailed(Task[] tasks)
[18:43:56] info: at System.Net.Test.Common.LoopbackServer.<>c__DisplayClass15_0.<<CreateClientAndServerAsync>b__0>d.MoveNext()
[18:43:56] info: --- End of stack trace from previous location ---
[18:43:56] info: at System.Net.Test.Common.LoopbackServer.CreateServerAsync(Func`2 funcAsync, Options options)
[18:43:56] info: at System.Net.Http.Functional.Tests.HttpClientHandlerTest.GetAsync_ManyDifferentResponseHeaders_ParsedCorrectly(String newline, String fold, Boolean dribble)
[18:43:56] info: --- End of stack trace from previous location ---
[18:43:56] info: ----- Inner Stack Trace #1 (System.Net.Http.HttpRequestException) -----
[18:43:56] info: at System.Net.Http.BrowserHttpHandler.<SendAsync>g__Impl|56_0(HttpRequestMessage request, CancellationToken cancellationToken)
[18:43:56] info: at System.Net.Http.HttpClient.<SendAsync>g__Core|83_0(HttpRequestMessage request, HttpCompletionOption completionOption, CancellationTokenSource cts, Boolean disposeCts, CancellationTokenSource pendingRequestsCts, CancellationToken originalCancellationToken)
[18:43:56] info: at System.Net.Http.Functional.Tests.HttpClientHandlerTest.<>c__DisplayClass21_0.<<GetAsync_ManyDifferentResponseHeaders_ParsedCorrectly>b__0>d.MoveNext()
[18:43:56] info: --- End of stack trace from previous location ---
[18:43:56] info: at System.Threading.Tasks.TaskTimeoutExtensions.GetRealException(Task task)
[18:43:56] info: ----- Inner Stack Trace -----
[18:43:56] info: at System.Net.Http.BrowserHttpHandler.<SendAsync>g__Impl|56_0(HttpRequestMessage request, CancellationToken cancellationToken)
[18:43:56] info: ----- Inner Stack Trace #2 (System.IO.IOException) -----
[18:43:56] info: at System.Net.Test.Common.LoopbackServer.Connection.ReadRequestHeaderAsync()
[18:43:56] info: at System.Net.Test.Common.LoopbackServer.Connection.ReadRequestHeaderAndSendCustomResponseAsync(String response)
[18:43:56] info: at System.Net.Test.Common.LoopbackServer.<>c__DisplayClass19_0.<<AcceptConnectionSendCustomResponseAndCloseAsync>b__0>d.MoveNext()
[18:43:56] info: --- End of stack trace from previous location ---
[18:43:56] info: at System.Net.Test.Common.LoopbackServer.AcceptConnectionAsync(Func`2 funcAsync)
[18:43:56] info: at System.Net.Test.Common.LoopbackServer.AcceptConnectionSendCustomResponseAndCloseAsync(String response)
[18:43:56] info: at System.Threading.Tasks.TaskTimeoutExtensions.GetRealException(Task task)
Build: https://dev.azure.com/dnceng/public/_build/results?buildId=1836984&view=logs&j=11c5c840-d20a-5536-428b-70d8cd9c6259&t=73598586-463f-5241-5dc8-b8ffdebf8b89
Log: https://helixre107v0xdeko0k025g8.blob.core.windows.net/dotnet-runtime-refs-pull-70851-merge-cbfd4efc983a4e718f/WasmTestOnBrowser-System.Net.Http.Functional.Tests/1/console.efa7fecb.log?helixlogtype=result