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.model.AbstractBuild.calcChangeSet(AbstractBuild.java:894)	at hudson.model.AbstractBuild.access$600(AbstractBuild.java:104)	at hudson.model.AbstractBuild$AbstractBuildExecution.defaultCheckout(AbstractBuild.java:634)	at jenkins.scm.SCMCheckoutStrategy.checkout(SCMCheckoutStrategy.java:86)	at hudson.model.AbstractBuild$AbstractBuildExecution.run(AbstractBuild.java:528)	at hudson.model.Run.execute(Run.java:1745)	at hudson.model.FreeStyleBuild.run(FreeStyleBuild.java:43)	at hudson.model.ResourceController.execute(ResourceController.java:89)	at hudson.model.Executor.run(Executor.java:240)