Sonar failing with NullPointerException

Issue

We have observed recently that our builds do not publish to Sonar anymore. Following is the exception Jenkins throws:

[ERROR] Failed to execute goal org.codehaus.mojo:sonar-maven-plugin:2.7.1:sonar (default-cli) on project myproject: null: MojoExecutionException: NullPointerException -> [Help 1]
org.apache.maven.lifecycle.LifecycleExecutionException: Failed to execute goal org.codehaus.mojo:sonar-maven-plugin:2.7.1:sonar (default-cli) on project myproject: null
at org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:216)
at org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:153)
at org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:145)
at org.apache.maven.lifecycle.internal.LifecycleModuleBuilder.buildProject(LifecycleModuleBuilder.java:116)
at org.apache.maven.lifecycle.internal.LifecycleModuleBuilder.buildProject(LifecycleModuleBuilder.java:80)
at org.apache.maven.lifecycle.internal.builder.singlethreaded.SingleThreadedBuilder.build(SingleThreadedBuilder.java:51)
at org.apache.maven.lifecycle.internal.LifecycleStarter.execute(LifecycleStarter.java:128)
at org.apache.maven.DefaultMaven.doExecute(DefaultMaven.java:307)
at org.apache.maven.DefaultMaven.doExecute(DefaultMaven.java:193)
at org.apache.maven.DefaultMaven.execute(DefaultMaven.java:106)
at org.apache.maven.cli.MavenCli.execute(MavenCli.java:862)
at org.apache.maven.cli.MavenCli.doMain(MavenCli.java:286)
at org.apache.maven.cli.MavenCli.main(MavenCli.java:197)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:606)
at org.codehaus.plexus.classworlds.launcher.Launcher.launchEnhanced(Launcher.java:289)
at org.codehaus.plexus.classworlds.launcher.Launcher.launch(Launcher.java:229)
at org.codehaus.plexus.classworlds.launcher.Launcher.mainWithExitCode(Launcher.java:415)
at org.codehaus.plexus.classworlds.launcher.Launcher.main(Launcher.java:356)
Caused by: org.apache.maven.plugin.MojoExecutionException
at org.codehaus.mojo.sonar.bootstrap.ExceptionHandling.handle(ExceptionHandling.java:41)
at org.codehaus.mojo.sonar.bootstrap.RunnerBootstrapper.execute(RunnerBootstrapper.java:104)
at org.codehaus.mojo.sonar.SonarMojo.execute(SonarMojo.java:135)
at org.apache.maven.plugin.DefaultBuildPluginManager.executeMojo(DefaultBuildPluginManager.java:134)
at org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:208)
... 20 more
Caused by: java.lang.NullPointerException
at org.apache.maven.artifact.versioning.ComparableVersion.parseVersion(ComparableVersion.java:358)
at org.apache.maven.artifact.versioning.ComparableVersion.<init>(ComparableVersion.java:349)
at org.apache.maven.artifact.versioning.DefaultArtifactVersion.parseVersion(DefaultArtifactVersion.java:112)
at org.apache.maven.artifact.versioning.DefaultArtifactVersion.<init>(DefaultArtifactVersion.java:48)
at org.codehaus.mojo.sonar.bootstrap.RunnerBootstrapper.isVersionPriorTo5Dot2(RunnerBootstrapper.java:189)
at org.codehaus.mojo.sonar.bootstrap.RunnerBootstrapper.execute(RunnerBootstrapper.java:81)
... 23 more
...
Finished: FAILURE

Environment

  • CloudBees Jenkins Enterprise
  • Sonar

Resolution

The sonar-maven-plugin has a confirmed bug NullPointerException when checking server version.

This issue seems to be affecting the following versions at the moment:

  • 2.7
  • 2.7.1

The only solution at the moment is to force Jenkins to use version 2.6.

Force Jenkins to use the previous version of sonar-maven-plugin by entering 2.6 at

Manage Jenkins > Configure System > Sonar (Advanced…) > Version

of sonar-maven-plugin.

Have more questions? Submit a request

0 Comments

Please sign in to leave a comment.