Aspnetcore: Cannot Debug Blazor WebAssembly with embedded symbols

[fuocor]

Describe the bug

if the <DebugType> for a blazorwasm project is set to embedded then the code cannot be debugged in VS, VSCode, or in the Browser

To Reproduce

In the .csproj add <DebugType>embedded</DebugType> and try to debug with your tool of choice...

Workaround

<DebugType>portable</DebugType>

Exceptions (if any)

depending on the tool you will be notified that the code does not support debugging

Further technical details

• ASP.NET Core version: 5.0.0-rc.2.20475.5

PS D:\dummy> dotnet --info
.NET SDK (reflecting any global.json):
 Version:   5.0.100-rc.2.20479.15
 Commit:    da7dfa8840

Runtime Environment:
 OS Name:     Windows
 OS Version:  10.0.18363
 OS Platform: Windows
 RID:         win10-x64
 Base Path:   C:\Program Files\dotnet\sdk\5.0.100-rc.2.20479.15\

Host (useful for support):
  Version: 5.0.0-rc.2.20475.5
  Commit:  c5a3f49c88

.NET SDKs installed:
  3.0.100-preview7-012821 [C:\Program Files\dotnet\sdk]
  3.1.201 [C:\Program Files\dotnet\sdk]
  3.1.402 [C:\Program Files\dotnet\sdk]
  5.0.100-rc.2.20479.15 [C:\Program Files\dotnet\sdk]

.NET runtimes installed:
  Microsoft.AspNetCore.All 2.1.12 [C:\Program Files\dotnet\shared\Microsoft.AspNetCore.All]
  Microsoft.AspNetCore.All 2.1.22 [C:\Program Files\dotnet\shared\Microsoft.AspNetCore.All]
  Microsoft.AspNetCore.App 2.1.12 [C:\Program Files\dotnet\shared\Microsoft.AspNetCore.App]
  Microsoft.AspNetCore.App 2.1.22 [C:\Program Files\dotnet\shared\Microsoft.AspNetCore.App]
  Microsoft.AspNetCore.App 3.1.7 [C:\Program Files\dotnet\shared\Microsoft.AspNetCore.App]
  Microsoft.AspNetCore.App 3.1.8 [C:\Program Files\dotnet\shared\Microsoft.AspNetCore.App]
  Microsoft.AspNetCore.App 5.0.0-rc.2.20475.17 [C:\Program Files\dotnet\shared\Microsoft.AspNetCore.App]
  Microsoft.NETCore.App 2.1.12 [C:\Program Files\dotnet\shared\Microsoft.NETCore.App]
  Microsoft.NETCore.App 2.1.22 [C:\Program Files\dotnet\shared\Microsoft.NETCore.App]
  Microsoft.NETCore.App 3.1.7 [C:\Program Files\dotnet\shared\Microsoft.NETCore.App]
  Microsoft.NETCore.App 3.1.8 [C:\Program Files\dotnet\shared\Microsoft.NETCore.App]
  Microsoft.NETCore.App 5.0.0-rc.2.20475.5 [C:\Program Files\dotnet\shared\Microsoft.NETCore.App]
  Microsoft.WindowsDesktop.App 3.1.7 [C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App]
  Microsoft.WindowsDesktop.App 3.1.8 [C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App]
  Microsoft.WindowsDesktop.App 5.0.0-rc.2.20475.6 [C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App]

[mkArtakMSFT]

Thanks for contacting us.
@lewing is this something the Debugger supports?

@fuocor can you share more details about why you're trying to change the setting?

[msftbot[bot]]

Thanks for contacting us.
We're moving this issue to the Next sprint planning milestone for future evaluation / consideration. We will evaluate the request when we are planning the work for the next milestone. To learn more about what to expect next and how this issue will be handled you can read more about our triage process here.

[lewing]

@mkArtakMSFT yes, embedded symbols should work.

/cc @thaystg

[thaystg]

I have just tested it again on mono and it's working.

The problem is here: https://github.com/dotnet/aspnetcore/blob/628ce6114bd426c80e57f637234fe94cf9b37c7d/src/Components/Web.JS/src/Platform/Mono/MonoDebugger.ts#L10

To enable debugger it needs to have pdb's, but this is not right, we can debug without PDB's in the case of embedded PDB's.

I think this PR will fix the issue:
https://github.com/dotnet/aspnetcore/pull/26899

[mkArtakMSFT]

@captainsafia I assume this is resolved already?

[captainsafia]

@mkArtakMSFT Yes, the fix was merged into master. We can close this issue.