[JIRA] [git] (JENKINS-22053) NullPointerException during polling when using git inverse branch choosing strategy

Wed, 05 Mar 2014 18:40:24 -0800

Issue Type: Bug Bug
Assignee: Nicolas De Loof
Attachments: config.xml
Components: git
Created: 06/Mar/14 2:40 AM
Description:

When using the git inverse branch choosing strategy (to exclude named branches) and polling a git repo, I see the following NullPointerException in the Git Polling Log:

Mar 04, 2014 3:24:29 PM hudson.triggers.SCMTrigger$Runner runPolling
SEVERE: Failed to record SCM polling for hudson.model.FreeStyleProject@4c06e5bd[job-name]
java.lang.NullPointerException
        at hudson.plugins.git.util.InverseBuildChooser.getCandidateRevisions(InverseBuildChooser.java:45)
        at hudson.plugins.git.GitSCM.compareRemoteRevisionWithImpl(GitSCM.java:536)
        at hudson.plugins.git.GitSCM.compareRemoteRevisionWith(GitSCM.java:455)
        at hudson.scm.SCM._compareRemoteRevisionWith(SCM.java:356)
        at hudson.scm.SCM.poll(SCM.java:373)
        at hudson.model.AbstractProject.pollWithWorkspace(AbstractProject.java:1605)
        at hudson.model.AbstractProject._poll(AbstractProject.java:1575)
        at hudson.model.AbstractProject.poll(AbstractProject.java:1493)
        at hudson.triggers.SCMTrigger$Runner.runPolling(SCMTrigger.java:462)
        at hudson.triggers.SCMTrigger$Runner.run(SCMTrigger.java:491)
        at hudson.util.SequentialExecutionQueue$QueueEntry.run(SequentialExecutionQueue.java:118)
        at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:471)
        at java.util.concurrent.FutureTask.run(FutureTask.java:262)
        at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
        at java.lang.Thread.run(Thread.java:744)



The project config is attached to this ticket:



Unable to embed resource: config.xml of type text/xml



I believe the cause is git plugin revision 4fc7f44. This NPE occurs in version 2.0.3 of the plugin but does not in version 2.0.1. (I have not tested 2.0.2, but I suspect it behaves the same as 2.0.3.)



A possible workaround is to enable the "Force polling with workspace" option (see JENKINS-21264), but I have not confirmed if this works.




Proposed fix in GitHub pull request #208.
Project: Jenkins
Priority: Minor Minor
Reporter: Sam Umbach
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