Searched on Google with the first line of a JAVA stack trace?

We can recommend more relevant solutions and speed up debugging when you paste your entire stack trace with the exception message. Try a sample exception.

Recommended solutions based on your search

Solutions on the web

java.lang.NullPointerException at hudson.maven.MavenModule.getAssignedLabel(MavenModule.java:185) at hudson.model.Queue.choose(Queue.java:369) at hudson.model.Queue.pop(Queue.java:288) at hudson.model.Executor.run(Executor.java:51)