[Known Build Error] NavigationException_InAsyncContext_DoesNotBecomeUnobservedTaskException fails with ObjectDisposedException #62672
Description
The test should not be quarantined, it's under observation. It has a PR that tries to fix it and requires more investigation: #62662.
Build Information
Build: https://dev.azure.com/dnceng-public/public/_build/results?buildId=1090989
Build error leg or test failing: Microsoft.AspNetCore.Components.E2ETests.ServerRenderingTests.RedirectionTest.NavigationException_InAsyncContext_DoesNotBecomeUnobservedTaskException
Pull request: #62602
Error Message
Fill the error message using step by step known issues guidance.
{
"ErrorMessage": "A Task's exception(s) were not observed either by Waiting on the Task or accessing its Exception property. As a result, the unobserved exception was rethrown by the finalizer thread.",
"ErrorPattern": "",
"BuildRetry": false,
"ExcludeConsoleLog": false
} <h1>Hello, world!</h1><p id="unobserved-exceptions-count">4</p><h2>Unobserved Exceptions (for debugging):</h2>
<ul><li>System.AggregateException: A Task's exception(s) were not observed either by Waiting on the Task or accessing its Exception property. As a result, the unobserved exception was rethrown by the finalizer thread. (Cannot access a disposed object.
Object name: 'IServiceProvider'.)
---> System.ObjectDisposedException: Cannot access a disposed object.
Object name: 'IServiceProvider'.
at Microsoft.Extensions.DependencyInjection.ServiceLookup.ThrowHelper.ThrowObjectDisposedException()
at Microsoft.Extensions.DependencyInjection.ServiceProviderServiceExtensions.GetRequiredService[T](IServiceProvider provider)
at Microsoft.AspNetCore.Components.Server.Circuits.CircuitPersistenceManager.PauseCircuitAsync(CircuitHost circuit, Boolean saveStateToClient, CancellationToken cancellation) in /home/vsts/work/1/s/src/Components/Server/src/Circuits/CircuitPersistenceManager.cs:line 25
at Microsoft.AspNetCore.Components.Server.Circuits.CircuitRegistry.PauseAndDisposeCircuitHost(CircuitHost circuitHost, Boolean saveStateToClient) in /home/vsts/work/1/s/src/Components/Server/src/Circuits/CircuitRegistry.cs:line 312
--- End of inner exception stack trace ---</li><li>
Known issue validation
Build: 🔎 https://dev.azure.com/dnceng-public/public/_build/results?buildId=1090989
Error message validated: [A Task's exception(s) were not observed either by Waiting on the Task or accessing its Exception property. As a result, the unobserved exception was rethrown by the finalizer thread.]
Result validation: ✅ Known issue matched with the provided build.
Validation performed at: 7/11/2025 10:21:55 AM UTC
Report
| Build | Definition | Step Name | Console log | Pull Request |
|---|---|---|---|---|
| 1166661 | dotnet/aspnetcore | Run E2E tests | Log | #63939 |
| 1164910 | dotnet/aspnetcore | Run E2E tests | Log | |
| 1164677 | dotnet/aspnetcore | Run E2E tests | Log | #63915 |
| 1162810 | dotnet/aspnetcore | Run E2E tests | Log | #63881 |
| 1159739 | dotnet/aspnetcore | Run E2E tests | Log | #63853 |
| 1157032 | dotnet/aspnetcore | Run E2E tests | Log | #63794 |
| 1155548 | dotnet/aspnetcore | Run E2E tests | Log | |
| 1152420 | dotnet/aspnetcore | Run E2E tests | Log | |
| 1152187 | dotnet/aspnetcore | Run E2E tests | Log | #63708 |
| 1152171 | dotnet/aspnetcore | Run E2E tests | Log | #63685 |
| 1152052 | dotnet/aspnetcore | Run E2E tests | Log | #63685 |
| 1151250 | dotnet/aspnetcore | Run E2E tests | Log | #63711 |
| 1148114 | dotnet/aspnetcore | Run E2E tests | Log | |
| 1146564 | dotnet/aspnetcore | Run E2E tests | Log | #63658 |
| 1146354 | dotnet/aspnetcore | Run E2E tests | Log | #63643 |
| 1146269 | dotnet/aspnetcore | Run E2E tests | Log | |
| 1145446 | dotnet/aspnetcore | Run E2E tests | Log |
Summary
| 24-Hour Hit Count | 7-Day Hit Count | 1-Month Count |
|---|---|---|
| 0 | 1 | 17 |