Cobertura.xml' because 'Missing root element <results>

Good afternoon,

I am creating a Azure DevOps pipeline using SonarCloud and C# project.
The problem that I am facing is the following one:
Having this YAML file

 - 
    - task: PowerShell@2
      displayName: 'Install Testing Coverage Requeriments'
      inputs:
        targetType: 'inline'
        script: |
          dotnet tool install --global dotnet-reportgenerator-globaltool
          exit 0

    - task: SonarCloudPrepare@1
      displayName: 'Preparing Sonar Cloud environment'
      inputs:
        SonarCloud: 'SonarCloud'
        organization: organization'
        scannerMode: 'MSBuild'
        projectKey: 'projectKey'
        extraProperties: |
          sonar.exclusions=**/obj/**,**/*.dll,**/Migrations/*
          sonar.cs.vstest.reportsPaths=/**/*.trx
          sonar.qualitygate.wait=true
          sonar.cs.vscoveragexml.reportsPaths=/**/*.cobertura.xml
          sonar.cs.dotcover.reportsPaths=/**/*.cobertura.xml
          sonar.verbose=true

    - task: DotNetCoreCLI@2
      displayName: 'DotNet - Restore'
      inputs:
        command: 'restore'
        projects: '${{ parameters.solution }}'

    - task: DotNetCoreCLI@2
      displayName: 'DotNet - Add Coverlet.MsBuild'
      inputs:
        command: 'custom'
        custom: 'add'
        projects: '${{ parameters.testProject }}'
        arguments: 'package coverlet.msbuild'         
        
    - task: DotNetCoreCLI@2
      displayName: 'dotnet - Build'
      inputs:
        command: 'build'
        projects: '${{ parameters.solution }}'
        arguments: '-c ${{ parameters.buildConfiguration }} ${{ parameters.dotnetCustomArguments }}'

    - task: DotNetCoreCLI@2
      displayName: 'Test - Execute'    
      inputs:
        command: test
        projects: '${{ parameters.testProject }}'
        publishTestResults: true
        arguments: '-c ${{ parameters.buildConfiguration }} /p:CollectCoverage=true "/p:CoverletOutputFormat=\"json,cobertura\"" /p:CoverletOutput="${{ parameters.coverageRootPath }}/" /p:MergeWith="${{ parameters.coverageRootPath }}/coverage.json" "/p:Exclude=\"[*.Test]*,[xunit.*]*,[*]System.*\""'
   
    - task: SonarCloudAnalyze@1
    - task: SonarCloudPublish@1
      inputs:
        pollingTimeoutSec: '300'

I am getting this error

14:11:15.840 INFO: Sensor C# File Caching Sensor [csharp] (done) | time=89ms
14:11:15.841 INFO: Sensor C# Tests Coverage Report Import [csharp]
14:11:15.842 DEBUG: Analyzing coverage with wildcardPatternFileProvider with base dir ‘/home/vsts/work/1/.’ and file separator ‘/’.
14:11:15.843 DEBUG: Pattern matcher extracted prefix/absolute path ‘/home/vsts/work/1/.’ from the given pattern ‘//*.cobertura.xml’.
14:11:15.844 DEBUG: Gathering files for wildcardPattern '
/.cobertura.xml’.
14:11:15.909 DEBUG: Pattern matcher returns ‘1’ files.
14:11:15.910 DEBUG: The current user dir is ‘/home/vsts/work/1’.
14:11:15.911 INFO: Aggregating the HTML reports from ‘/home/vsts/work/1/./s/src/back/coverage/coverage.cobertura.xml’.
14:11:15.916 WARN: Could not import coverage report ‘./s/src/back/coverage/coverage.cobertura.xml’ because ‘Only dotCover HTML reports which start with “” are supported.’. Troubleshooting guide: [Coverage] Troubleshooting guide for .NET code coverage import
14:11:15.917 DEBUG: Pattern matcher extracted prefix/absolute path ‘/home/vsts/work/1/.’ from the given pattern '/**/
.cobertura.xml’.
14:11:15.918 DEBUG: Gathering files for wildcardPattern ‘**/*.cobertura.xml’.
14:11:15.982 DEBUG: Pattern matcher returns ‘1’ files.
14:11:15.983 DEBUG: The current user dir is ‘/home/vsts/work/1’.
14:11:15.984 INFO: Parsing the Visual Studio coverage XML report /home/vsts/work/1/./s/src/back/coverage/coverage.cobertura.xml
14:11:16.022 WARN: Could not import coverage report ‘./s/src/back/coverage/coverage.cobertura.xml’ because ‘Missing root element in /home/vsts/work/1/./s/src/back/coverage/coverage.cobertura.xml at line 2’. Troubleshooting guide: [Coverage] Troubleshooting guide for .NET code coverage import
14:11:16.023 DEBUG: Analyzing coverage after aggregate found ‘0’ coverage files.
14:11:16.024 DEBUG: The total number of file count statistics is ‘0’.

Obviously, the coverage file was created and I can see the result in the pipeline
image

What am I missing?
Thank you in advance for your help.
Cheers.

Take a look at this thread.

HI again,

Thanks for replying me.
It’s working now.

The problem was the missing

'--collect "Code Coverage"

and also the image Windows, I was using ubunto,

Cheers,

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