I’m using SonarCloud on a few of my GitHub repos. Today I realized that there are some errors in the GitHub Actions build log:
[ERROR] Unable to parse source file : 'src/main/java/com/github/beatngu13/knapsackproblem/so/SingleObjectiveProblem.java'
[ERROR] Parse error at line 19 column 51: References to interface static methods are allowed only at source level 1.8 or above
[ERROR] Unable to parse source file : 'src/main/java/com/github/beatngu13/knapsackproblem/base/KnapsackFactory.java'
[ERROR] Parse error at line 49 column 12: Lambda expressions are allowed only at source level 1.8 or above
[ERROR] Unable to parse source file : 'src/main/java/com/github/beatngu13/knapsackproblem/mo/ga/KnapsackChromosome.java'
[ERROR] Parse error at line 36 column 9: Method references are allowed only at source level 1.8 or above
The project itself uses Maven, where I set the Java version via the compiler plugin (see
pom.xml). Sonar is triggered via Maven
sonar:sonar as well (see build config).
Is there a configuration I’m missing that tells Sonar to use the Java version declared in the
pom.xml, or how can I fix this?
The scanner for Maven reads the source and the target versions as declared by the maven compiler plugin. The
--release is new to Java 9 and I don’t think the scanner supports it.
I’d try setting the properties
maven.compiler.target. If you want to set it at the scanner directly, you can use
Thanks @dmeneses, this removed the warnings!
Should this be reported as a bug? Java 11 is officially supported, so I assume users expect Sonar to automatically obtain the Java version from the
I agree that we should support it, I’ve created a ticket: https://jira.sonarsource.com/browse/MSONAR-174
The issue seems to be fixed, but I still experience the aforementioned issues when I remove the source/target properties:
I assume this is because a new version of the SonarScanner (for Maven) hasn’t been released yet?
That’s right. We don’t have a date for the release yet.
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