ERROR: Caused by: Unknown report version: 0. This parser only handles version 1

SonarQube Server / Community Build
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1

I am using SonarQube Server - 2025.3. SonarQube is deployed using Docker. I am trying to get unit test coverage for my C++ project on sonar server which is built using msbuild. I am using opencppcoverage to generate coverage report in cobertura format.
It generated the report successfully.
However, sonar scanner is throwing error stating:
“ERROR: Caused by: Unknown report version: 0. This parser only handles version 1.”
I strongly believe that sonarqube supports cobertura reports.
I am using sonar.cfamily.cobertura.reportPaths parameter.

I am currently stuck and unable to proceed further.

2

Hey Sumit,

Are you also passing the report to sonar.coverageReportPaths? That’s the only situation where this error should pop up.

3

Thanks Colin for reverting.
I am not passing report to sonar.coverageReportPaths, but instead I’m using sonar.cfamily.cobertura.reportPaths. Also, scanner_version is 9.0.2.104486, checked it with 10.2.0.117568 but still no success.

I feel my script is fine, can you review it? It looks something like this:

Input:
OpenCppCoverage.exe --export_type cobertura:coverage.xml --sources <my_project> --excluded_sources <my_test_project> – <path_to_my_test_project.exe>

call sonar-scanner.bat -D"sonar.projectKey=<Project_key>" -D"sonar.sources=<my_project>" -D"sonar.cfamily.build-wrapper-output=bw-output" -D"sonar.cfamily.cobertura.reportPaths=coverage.xml" -D"sonar.host.url=<my_sonar_server_url>" -D"sonar.token=<my_sonar_token>"

Output:
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ERROR: Error during SonarScanner execution
ERROR: Error during parsing of the generic coverage report ‘coverage.xml’. Look at SonarQube documentation to know the expected XML format.
ERROR: Caused by: Unknown report version: 0. This parser only handles version 1.
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4

Hello,

It looks like something is being passed to sonar.coverageReportPaths.

I recommend reviewing your configuration files, such as sonar-project.properties, to see where sonar.coverageReportPaths is being set, and remove it.

5

Hi,
I am using sonar scanner CLI version 5.0.1.3006, can you confirm if it supports cobertura format coverage report?
Or can I use version 5.0.2.4997?
Does SonarScanner 5.0.2.4997 support cobertura format coverage report?

6

The Scanner version is not important in this context. SonarQube v2025.3 supports importing Cobertura reports for C/C++ code using the sonar.cfamily.cobertura.reportPaths property.

The main issue is that your analysis is failing because the scanner is trying to process a report that either shouldn’t be set or isn’t configured correctly. The next step is to identify where this configuration is set and adjust it (possibly remove it).

1 Like
7

Thanks, I mistakenly added sonar.coverageReportPaths in project file, its working now.

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