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[browser][wasm] Failed trying to read log messages via selenium: OpenQA.Selenium.WebDriverException: An unknown exception was encountered sending an HTTP request to the remote WebDriver server for URL #104825
Description
Build Information
Build: https://dev.azure.com/dnceng-public/public/_build/results?buildId=734813
Build error leg or test failing: browser-wasm linux Release WasmBuildTests
Error Message
{
"ErrorMessage" : "OpenQA.Selenium.WebDriverException: An unknown exception was encountered sending an HTTP request to the remote WebDriver server for URL",
"BuildRetry" : false,
"ExcludeConsoleLog" : false
}- PR:[release/8.0] Update dependencies from dotnet/emsdk #104630
- Queue:
browser-wasm linux Release WasmBuildTests - Job result: https://dev.azure.com/dnceng-public/public/_build/results?buildId=734813&view=logs&j=1fa93050-f528-55d3-a351-f8bf9ce5adbf&t=a9f1a437-3b59-5900-1137-ec6cae9a530c&l=142
- Log file: https://helixre107v0xd1eu3ibi6ka.blob.core.windows.net/dotnet-runtime-refs-pull-104630-merge-834dc1579a1b4085ad/Workloads-NoWebcil-Wasm.Build.NativeRebuild.Tests.OptimizationFlagChangeTests/1/console.eacd6a90.log?helixlogtype=result
- Output:
[wasm test-browser] [19:28:03] dbug: Saving diagnostics data to '/root/helix/work/workitem/e/diagnostics.json'
[wasm test-browser] [19:28:03] dbug: Failed trying to read log messages via selenium: OpenQA.Selenium.WebDriverException: An unknown exception was encountered sending an HTTP request to the remote WebDriver server for URL http://localhost:41171/session/62eaec63cc2d91f50756098ae8fbfef8/se/log. The exception message was: An error occurred while sending the request.
[wasm test-browser] ---> System.Net.Http.HttpRequestException: An error occurred while sending the request.
[wasm test-browser] ---> System.Net.Http.HttpIOException: The response ended prematurely. (ResponseEnded)
[wasm test-browser] at System.Net.Http.HttpConnection.SendAsync(HttpRequestMessage request, Boolean async, CancellationToken cancellationToken)
[wasm test-browser] --- End of inner exception stack trace ---
[wasm test-browser] at System.Net.Http.HttpConnection.SendAsync(HttpRequestMessage request, Boolean async, CancellationToken cancellationToken)
[wasm test-browser] at System.Net.Http.HttpConnectionPool.SendWithVersionDetectionAndRetryAsync(HttpRequestMessage request, Boolean async, Boolean doRequestAuth, CancellationToken cancellationToken)
[wasm test-browser] at System.Net.Http.RedirectHandler.SendAsync(HttpRequestMessage request, Boolean async, CancellationToken cancellationToken)
[wasm test-browser] at System.Net.Http.HttpClient.<SendAsync>g__Core|83_0(HttpRequestMessage request, HttpCompletionOption completionOption, CancellationTokenSource cts, Boolean disposeCts, CancellationTokenSource pendingRequestsCts, CancellationToken originalCancellationToken)
[wasm test-browser] at OpenQA.Selenium.Remote.HttpCommandExecutor.MakeHttpRequest(HttpRequestInfo requestInfo)
[wasm test-browser] at OpenQA.Selenium.Remote.HttpCommandExecutor.Execute(Command commandToExecute)
[wasm test-browser] --- End of inner exception stack trace ---
[wasm test-browser] at OpenQA.Selenium.Remote.HttpCommandExecutor.Execute(Command commandToExecute)
[wasm test-browser] at OpenQA.Selenium.Remote.DriverServiceCommandExecutor.Execute(Command commandToExecute)
[wasm test-browser] at OpenQA.Selenium.Remote.RemoteWebDriver.Execute(String driverCommandToExecute, Dictionary`2 parameters)
[wasm test-browser] at OpenQA.Selenium.Remote.RemoteWebDriver.InternalExecute(String driverCommandToExecute, Dictionary`2 parameters)
[wasm test-browser] at OpenQA.Selenium.Remote.RemoteLogs.GetLog(String logKind)
[wasm test-browser] at Microsoft.DotNet.XHarness.CLI.Commands.Wasm.WasmBrowserTestRunner.RunSeleniumLogMessagePump(IWebDriver driver, CancellationToken token) in /_/src/Microsoft.DotNet.XHarness.CLI/Commands/WASM/Browser/WasmBrowserTestRunner.cs:line 214
Known issue validation
Build: 🔎
Result validation:
Validation performed at: 5/20/2025 1:59:59 PM UTC
Report
Summary
| 24-Hour Hit Count | 7-Day Hit Count | 1-Month Count |
|---|---|---|
| 1 | 24 | 27 |
Activity
dotnet-policy-service commentedon Jul 12, 2024
Tagging subscribers to 'arch-wasm': @lewing
See info in area-owners.md if you want to be subscribed.
dotnet-policy-service commentedon Jul 12, 2024
Tagging subscribers to this area: @dotnet/ncl
See info in area-owners.md if you want to be subscribed.
maraf commentedon Jul 15, 2024
The test succeed with
WASM EXIT 42, but selenium WebDriver crashed when reading messages https://github.com/dotnet/xharness/blob/release/8.0/src/Microsoft.DotNet.XHarness.CLI/Commands/WASM/Browser/WasmBrowserTestRunner.cs#L214carlossanlop commentedon Aug 23, 2024
I edited the error message as it was too specific. There were some other hits with a shorter message but that seem to have the same root cause:
carlossanlop commentedon Sep 4, 2024
This is one of the most impactful failures in CI, especially in 6.0. Is there a chance we can increase its priority for fixing?
[-][8.0][browser][wasm] Failed trying to read log messages via selenium: OpenQA.Selenium.WebDriverException: An unknown exception was encountered sending an HTTP request to the remote WebDriver server for URL[/-][+][browser][wasm] Failed trying to read log messages via selenium: OpenQA.Selenium.WebDriverException: An unknown exception was encountered sending an HTTP request to the remote WebDriver server for URL[/+]