'Microsoft.NETCore.App', version '3.1.0' Not found

[cthredgold-quativa]

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Hey Team,

We're seeing an issue with our action that Builds and runs our tests. The error that is coming back is that 'Microsoft.NETCore.App', version '3.1.0' is not found. Below is a snippet of the output during the unit test step.

Starting test execution, please wait...
A total of 1 test files matched the specified pattern.
Testhost process for source(s) '/home/runner/work/Fenix_backend/Fenix_backend/tests/QuaTiVa.Integrations.Monday.Tests/bin/Debug/netcoreapp3.1/QuaTiVa.Integrations.Monday.Tests.dll' exited with error: You must install or update .NET to run this application.
App: /home/runner/.nuget/packages/microsoft.testplatform.testhost/17.2.0/lib/netcoreapp2.1/testhost.dll
Architecture: x64
Framework: 'Microsoft.NETCore.App', version '3.1.0' (x64)
.NET location: /usr/share/dotnet/
The following frameworks were found:
  6.0.11 at [/usr/share/dotnet/shared/Microsoft.NETCore.App]
  7.0.0 at [/usr/share/dotnet/shared/Microsoft.NETCore.App]
Learn about framework resolution:
https://aka.ms/dotnet/app-launch-failed
To install missing framework, download:
https://aka.ms/dotnet-core-applaunch?framework=Microsoft.NETCore.App&framework_version=3.1.0&arch=x64&rid=ubuntu.22.04-x64
. Please check the diagnostic logs for more information.

Test Run Aborted.
     1>Done Building Project "/home/runner/work/Fenix_backend/Fenix_backend/quativa-api.sln" (VSTest target(s)) -- FAILED.

Our actions yml looks like this

on:
  push:
    branches: [ "master", "staging", "dev" ]
  pull_request:
    branches: [ "master", "staging", "dev" ]

jobs:
  build:

    runs-on: ubuntu-latest

    steps:
    - uses: actions/checkout@v3
    - name: Setup .NET
      uses: actions/setup-dotnet@v3
      with:
        dotnet-version: 6.0.x
    - name: Restore dependencies
      run: dotnet restore
    - name: Build
      run: dotnet build --no-restore
    - name: Test
      run: dotnet test --no-build --verbosity normal

If I change the dotnet-version to 3.1.0 It won't build giving this error.

dotnet-install: Attempting to download using primary link https://dotnetcli.azureedge.net/dotnet/Sdk/3.1.0/dotnet-sdk-3.1.0-linux-x64.tar.gz
curl: (22) The requested URL returned error: 404
dotnet-install: The resource at primary link 'https://dotnetcli.azureedge.net/dotnet/Sdk/3.1.0/dotnet-sdk-3.1.0-linux-x64.tar.gz' is not available.
dotnet-install: Attempting to download using primary link https://dotnetbuilds.azureedge.net/public/Sdk/3.1.0/dotnet-sdk-3.1.0-linux-x64.tar.gz
curl: (22) The requested URL returned error: 404
dotnet-install: The resource at primary link 'https://dotnetbuilds.azureedge.net/public/Sdk/3.1.0/dotnet-sdk-3.1.0-linux-x64.tar.gz' is not available.
dotnet_install: Error: Could not find `.NET Core SDK` with version = 3.1.0

If I had to hazard a guess, the blob was taken down because support for 3.1.0 is going away next month. But thought I'd ask in case anyone can see if there's something I'm missing.

Thanks,

Cameron Thredgold
Quativa

[ossanna16]

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[Robert-96]

Hi,

If you want to use version .NET SDK 3.1.0 you should set dotnet-version to 3.1.100, or you can use 3.1.x or 3.1 to install the latest patch version of .NET SDK on the channel 3.1.

You can find more about how dotnet-version works here: https://github.com/actions/setup-dotnet#supported-version-syntax