Unable to debug Blazor hosted webassembly 3.2.0 from Visual Studio 2019 16.6.2

Question

I have Visual Studio 2019 16.6.2 installed, along with the .NET Core 3.1.301 SDK and all the necessary Blazor templates.

If I create a brand new Blazor WebAssmbly app

Answer 1

The problem for me occurs if I select the Configure For HTTPS option when creating the project.

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As a workaround,

1. for an HTTPS configured project changing is settings-sslport, to 0
2. applicationUrl to only http://localhost:port in launchsettings.json

I think the debug adapter has an underlying security related problem. Good luck!