The type initializer for 'Coverlet.Core.Instrumentation.NetstandardAwareAssemblyResolver' threw an exception

[hiranya911]

Recently migrated to a new machine where I cannot seem to get code coverage tools working.

OS: Mac OS
Platform: .NET Core

% dotnet --version
3.1.401

Test output:

% dotnet test path /p:CollectCoverage=true
Build succeeded.

       "/Users/hkj/Projects/firebase-admin-dotnet/public/FirebaseAdmin/FirebaseAdmin.Tests/FirebaseAdmin.Tests.csproj" (VSTest target) (1:7) ->
       (InstrumentModulesAfterBuild target) -> 
         /Users/hkj/.nuget/packages/coverlet.msbuild/2.6.3/build/coverlet.msbuild.targets(24,5): warning : [coverlet] Unable to instrument module: /Users/hkj/Projects/firebase-admin-dotnet/public/FirebaseAdmin/FirebaseAdmin.Tests/bin/Debug/netcoreapp2.0/FirebaseAdmin.dll because : The type initializer for 'Coverlet.Core.Instrumentation.NetstandardAwareAssemblyResolver' threw an exception. [/Users/hkj/Projects/firebase-admin-dotnet/public/FirebaseAdmin/FirebaseAdmin.Tests/FirebaseAdmin.Tests.csproj]

    1 Warning(s)

[hiranya911]

Downgrading to .NET Core 2.x seemed to have fixed the issue. Is this a known issue with .NET Core 3.x?

[MarcoRossignoli]

I see coverlet.msbuild/2.6.3 version, can you try with last one 2.9.0 https://www.nuget.org/packages/coverlet.msbuild/?

[hiranya911]

Hi @MarcoRossignoli. How do I get dotnet CLI to pick up a specific version of coverlet.msbuild? Is there any configuration that I can set?

[hiranya911]

Turns out same version of coverlet.msbuild works fine when used in .NET Core 2.1:

Test Run Successful.
Total tests: 779
     Passed: 779
 Total time: 3.8097 Seconds
       Done executing task "Microsoft.TestPlatform.Build.Tasks.VSTestTask".
   1:7>Done building target "VSTest" in project "FirebaseAdmin.Tests.csproj".
   1:7>Target "GenerateCoverageResult" in file "/Users/hkj/.nuget/packages/coverlet.msbuild/2.6.3/build/coverlet.msbuild.targets" from project "/Users/hkj/Projects/firebase-admin-dotnet/public/FirebaseAdmin/FirebaseAdmin.Tests/FirebaseAdmin.Tests.csproj" (entry point):
       Using "Coverlet.MSbuild.Tasks.CoverageResultTask" task from assembly "/Users/hkj/.nuget/packages/coverlet.msbuild/2.6.3/build/coverlet.msbuild.tasks.dll".
       Task "Coverlet.MSbuild.Tasks.CoverageResultTask"

Calculating coverage result...
  Generating report '/Users/hkj/Projects/firebase-admin-dotnet/public/FirebaseAdmin/FirebaseAdmin.Tests/coverage.json'

[MarcoRossignoli]

Hi @MarcoRossignoli. How do I get dotnet CLI to pick up a specific version of coverlet.msbuild? Is there any configuration that I can set?

Should be with simple dotnet add package https://docs.microsoft.com/en-us/nuget/consume-packages/install-use-packages-dotnet-cli#update-a-package

dotnet add package coverlet.msbuild --version 2.9.0

Turns out same version of coverlet.msbuild works fine when used in .NET Core 2.1:

Mmm strange, no other users reported issue with 3.1, also you run

% dotnet --version
3.1.401

But I expect something like

C:\git
λ dotnet --info
.NET SDK (reflecting any global.json):
 Version:   5.0.100-preview.8.20417.9
 Commit:    fc62663a35

Runtime Environment:
 OS Name:     Windows
 OS Version:  10.0.19041
 OS Platform: Windows
 RID:         win10-x64
 Base Path:   C:\Program Files\dotnet\sdk\5.0.100-preview.8.20417.9\

Host (useful for support):
  Version: 5.0.0-preview.8.20407.11
  Commit:  bf456654f9

.NET SDKs installed:
  2.2.207 [C:\Program Files\dotnet\sdk]
  3.0.103 [C:\Program Files\dotnet\sdk]
  3.1.200-preview-015002 [C:\Program Files\dotnet\sdk]
  3.1.201 [C:\Program Files\dotnet\sdk]
  3.1.401 [C:\Program Files\dotnet\sdk]
  5.0.100-preview.7.20366.6 [C:\Program Files\dotnet\sdk]
  5.0.100-preview.8.20417.9 [C:\Program Files\dotnet\sdk]

.NET runtimes installed:
  Microsoft.AspNetCore.All 2.1.21 [C:\Program Files\dotnet\shared\Microsoft.AspNetCore.All]
  Microsoft.AspNetCore.All 2.2.8 [C:\Program Files\dotnet\shared\Microsoft.AspNetCore.All]
  Microsoft.AspNetCore.App 2.1.21 [C:\Program Files\dotnet\shared\Microsoft.AspNetCore.App]
  Microsoft.AspNetCore.App 2.2.8 [C:\Program Files\dotnet\shared\Microsoft.AspNetCore.App]
  Microsoft.AspNetCore.App 3.0.3 [C:\Program Files\dotnet\shared\Microsoft.AspNetCore.App]
  Microsoft.AspNetCore.App 3.1.3 [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 5.0.0-preview.7.20365.19 [C:\Program Files\dotnet\shared\Microsoft.AspNetCore.App]
  Microsoft.AspNetCore.App 5.0.0-preview.8.20414.8 [C:\Program Files\dotnet\shared\Microsoft.AspNetCore.App]
  Microsoft.NETCore.App 2.1.21 [C:\Program Files\dotnet\shared\Microsoft.NETCore.App]
  Microsoft.NETCore.App 2.2.8 [C:\Program Files\dotnet\shared\Microsoft.NETCore.App]
  Microsoft.NETCore.App 3.0.3 [C:\Program Files\dotnet\shared\Microsoft.NETCore.App]
  Microsoft.NETCore.App 3.1.3 [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 5.0.0-preview.7.20364.11 [C:\Program Files\dotnet\shared\Microsoft.NETCore.App]
  Microsoft.NETCore.App 5.0.0-preview.8.20407.11 [C:\Program Files\dotnet\shared\Microsoft.NETCore.App]
  Microsoft.WindowsDesktop.App 3.0.3 [C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App]
  Microsoft.WindowsDesktop.App 3.1.3 [C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App]
  Microsoft.WindowsDesktop.App 3.1.7 [C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App]
  Microsoft.WindowsDesktop.App 5.0.0-preview.7.20366.1 [C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App]
  Microsoft.WindowsDesktop.App 5.0.0-preview.8.20411.6 [C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App]

To install additional .NET runtimes or SDKs:
  https://aka.ms/dotnet-download

Are you using "standard installation runtime" or some other way?For instance some portable runtime in some portable folder?

[hiranya911]

With v2.9.0 of the coverlet.msbuild package I seem to get a successful build (on .NET 3.1).

1:7>Target "GenerateCoverageResultAfterTest" in file "/Users/hkj/.nuget/packages/coverlet.msbuild/2.9.0/build/coverlet.msbuild.targets" from project "/Users/hkj/Projects/firebase-admin-dotnet/public/FirebaseAdmin/FirebaseAdmin.Tests/FirebaseAdmin.Tests.csproj" (entry point):
   1:7>Done building target "GenerateCoverageResultAfterTest" in project "FirebaseAdmin.Tests.csproj".
   1:7>Done Building Project "/Users/hkj/Projects/firebase-admin-dotnet/public/FirebaseAdmin/FirebaseAdmin.Tests/FirebaseAdmin.Tests.csproj" (VSTest target(s)).

Build succeeded.

So this may be an issue with v2.6.0 on new version of .NET Core.

I'm running a pretty standard installation.

% dotnet --info
.NET Core SDK (reflecting any global.json):
 Version:   3.1.401
 Commit:    39d17847db

Runtime Environment:
 OS Name:     Mac OS X
 OS Version:  10.15
 OS Platform: Darwin
 RID:         osx.10.15-x64
 Base Path:   /usr/local/share/dotnet/sdk/3.1.401/

Host (useful for support):
  Version: 3.1.7
  Commit:  fcfdef8d6b

.NET Core SDKs installed:
  2.1.809 [/usr/local/share/dotnet/sdk]
  3.1.401 [/usr/local/share/dotnet/sdk]

.NET Core runtimes installed:
  Microsoft.AspNetCore.All 2.1.21 [/usr/local/share/dotnet/shared/Microsoft.AspNetCore.All]
  Microsoft.AspNetCore.App 2.1.21 [/usr/local/share/dotnet/shared/Microsoft.AspNetCore.App]
  Microsoft.AspNetCore.App 3.1.7 [/usr/local/share/dotnet/shared/Microsoft.AspNetCore.App]
  Microsoft.NETCore.App 2.1.21 [/usr/local/share/dotnet/shared/Microsoft.NETCore.App]
  Microsoft.NETCore.App 3.1.7 [/usr/local/share/dotnet/shared/Microsoft.NETCore.App]

To install additional .NET Core runtimes or SDKs:
  https://aka.ms/dotnet-download

[MarcoRossignoli]

Ok use last version 2.6.3 is pretty old 7/1/2019

Feel free to close if solved.