[WebToolsE2E] Weather page keep loading and it shows "An unhandled exception was thrown by the application" in Console logs when do scenario Tutorial: Use .NET Aspire messaging integrations in ASP.NET Core.

[Yangfanyue]

INSTALL STEPS

1. Clean machine: Win11 x64 23h2 ENU
2. Install Dev17.12.0 build (d17.12-35506.116)
3. Apply NuGet Feeds.

REPRO STEPS

1. Do the scenario Tutorial: Use .NET Aspire messaging integrations in ASP.NET Core

2. In section Run and test the app locally

   • Debug the project
   • On the .NET Aspire dashboard, navigate to webfrontend page > Then go to Weather page

ACTUAL:
2024-11-11T07:59:49 The response has already started, the error page middleware will not be executed.
2024-11-11T07:59:49 fail: Microsoft.AspNetCore.Server.Kestrel[13]
2024-11-11T07:59:49 Connection id "0HN824O85K6EM", Request id "0HN824O85K6EM:0000001F": An unhandled exception was thrown by the application.
2024-11-11T07:59:49 System.Net.Http.HttpRequestException: Response status code does not indicate success: 404 (Not Found).

Describe the issue or suggestion
This issue is caused by the missing code in AspireSample.ApiService/Program.cs.

So it is recommended to modify this part of the document.

• Create the API endpoint

[balachir]

@Yangfanyue can you investigate whether this is a functional issue? If yes, this should be opened in the aspire repo rather than in the docs-aspire repo.

cc: @v-elenafeng

[Yangfanyue]

@balachir This is a docs issue. Updated the steps.