I have a Maven job that fails occasionally with the following message:
ERROR: Processing failed due to a bug in the code. Please report this to jenkinsci-users@googlegroups.com
java.lang.NullPointerException
at hudson.maven.MavenBuild$ProxyImpl2.close(MavenBuild.java:560)
at hudson.maven.Maven3Builder.end(Maven3Builder.java:220)
at hudson.maven.MavenModuleSetBuild$RunnerImpl.doRun(MavenModuleSetBuild.java:723)
at hudson.model.AbstractBuild$AbstractRunner.run(AbstractBuild.java:429)
at hudson.model.Run.run(Run.java:1374)
at hudson.maven.MavenModuleSetBuild.run(MavenModuleSetBuild.java:467)
at hudson.model.ResourceController.execute(ResourceController.java:88)
at hudson.model.Executor.run(Executor.java:145)
project=hudson.maven.MavenModuleSet@70f5f42b[MVN Gerrit Verification]
project.getModules()=[hudson.maven.MavenModule@cebeab4[...(omitted)...]
project.getRootModule()=hudson.maven.MavenModule@416baa61[...(omitted)...]
FATAL: null
java.lang.NullPointerException
at hudson.maven.MavenBuild$ProxyImpl2.close(MavenBuild.java:560)
at hudson.maven.Maven3Builder.end(Maven3Builder.java:220)
at hudson.maven.MavenModuleSetBuild$RunnerImpl.doRun(MavenModuleSetBuild.java:723)
at hudson.model.AbstractBuild$AbstractRunner.run(AbstractBuild.java:429)
at hudson.model.Run.run(Run.java:1374)
at hudson.maven.MavenModuleSetBuild.run(MavenModuleSetBuild.java:467)
at hudson.model.ResourceController.execute(ResourceController.java:88)
at hudson.model.Executor.run(Executor.java:145)
The workaround is to re-trigger the job. I don't know the exact failure rate, but let's say 1 in 4 or 5.