Blazor WebAssembly app throws CircularDependencyException (ILoggerFactory) when calling AddBlazorClientServiceDefaults()

[EmilyFeng97]

REGRESSION INFO: New feature on 11.0 P4

INSTALL STEPS:

1. Clean Win 11 25h2 x64
2. Install latest 11.0 Preview 5 build
3. Apply Feed

Platform

• Windows
• macOS
• Linux

Repro Steps

1. Open up a normal Command Prompt (Terminal)

2. Create a Blazor WebAssembly app

   mkdir MyBlazorApp
   cd MyBlazorApp
   dotnet new sln
   dotnet new blazorwasm -o MyBlazorApp
   dotnet sln add MyBlazorApp/MyBlazorApp.csproj
   

3. Create a Blazor WebAssembly Service Defaults
   dotnet new blazor-wasm-servicedefaults -o MyBlazorApp.ServiceDefaults

4. Add reference the library from the Blazor WebAssembly client.

   dotnet sln add MyBlazorApp.ServiceDefaults\MyBlazorApp.ServiceDefaults.csproj
   dotnet add MyBlazorApp/MyBlazorApp.csproj reference MyBlazorApp.ServiceDefaults/MyBlazorApp.ServiceDefaults.csproj
   

5. Add the code in program.cs file of Blazor WebAssembly client app
   using MyBlazorApp;
builder.AddBlazorClientServiceDefaults();

6. Run the project

   cd MyBlazorApp
   dotnet run
   

Note

1. This issue also repro when using: Aspire AppHost + Blazor WebAssembly (standalone) + Blazor WebAssembly ServiceDefaults.
2. This issue does not repro when only configuring logging:
   builder.Logging.SetMinimumLevel(LogLevel.Information);

Actual Result
The project fails to load with error CircularDependencyException.

blazor.webassembly.uv9pzyktbz.js:1 ManagedError: AggregateException_ctor_DefaultMessage (CircularDependencyException, Microsoft.Extensions.Logging.ILoggerFactory)
callEntryPoint @ blazor.webassembly.uv9pzyktbz.js:1