Join Plugin: intermittent NullPointerException in child project when all downstream projects complete

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    • Type: Bug
    • Resolution: Fixed
    • Priority: Major
    • Component/s: join-plugin
    • None

      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)

        1. joinPlugin1.png
          joinPlugin1.png
          32 kB
        2. joinPlugin2.png
          joinPlugin2.png
          47 kB

            Assignee:
            mdonohue
            Reporter:
            Steve Roth
            Votes:
            1 Vote for this issue
            Watchers:
            4 Start watching this issue

              Created:
              Updated:
              Resolved: