[JIRA] [join] (JENKINS-22348) Join Plugin: intermittent NullPointerException in child project when all downstream projects complete

Tue, 25 Mar 2014 14:54:20 -0700
Issue Type: Bug Bug
Affects Versions: current
Assignee: mdonohue
Components: join
Created: 25/Mar/14 9:53 PM
Description:

Using Jenkins 1.552 and Join Plugin 1.15, today we saw an intermittent NPE in Join plugin when the last child job completed, and the parent job was being notified of job completion.

...
No emails were triggered.
Notifying upstream build somejob #308 of job completion
All downstream projects complete!
FATAL: null
java.lang.NullPointerException
	at join.JoinAction$NoopLauncher.<init>(JoinAction.java:120)
	at join.JoinAction.checkPendingDownstream(JoinAction.java:92)
	at join.JoinAction.downstreamFinished(JoinAction.java:70)
	at join.JoinDependency.shouldTriggerBuild(JoinDependency.java:45)
	at hudson.tasks.BuildTrigger.execute(BuildTrigger.java:213)
	at hudson.model.AbstractBuild$AbstractBuildExecution.cleanUp(AbstractBuild.java:741)
	at hudson.model.Build$BuildExecution.cleanUp(Build.java:194)
	at hudson.model.Run.execute(Run.java:1715)
	at hudson.model.FreeStyleBuild.run(FreeStyleBuild.java:46)
	at hudson.model.ResourceController.execute(ResourceController.java:88)
	at hudson.model.Executor.run(Executor.java:231)
Project: Jenkins
Priority: Major Major
Reporter: Steve Roth
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