[JIRA] [zentimestamp] (JENKINS-17975) SCM polling stops to work if the previously used build node no longer exists

Thu, 16 May 2013 01:42:01 -0700
Issue Type: Bug Bug
Assignee: Gregory Boissinot
Components: zentimestamp
Created: 16/May/13 8:41 AM
Description:

When a build job is changed to use a new build node, and also the previously used node is removed from the Jenkins setup, then SCM polling starts to fail with:

ERROR: Failed to record SCM polling for hudson.model.FreeStyleProject@587918[jobName]
java.lang.NullPointerException
	at hudson.plugins.zentimestamp.ZenTimestampEnvironmentContributor.buildEnvironmentFor(ZenTimestampEnvironmentContributor.java:37)
	at hudson.model.Run.getEnvironment(Run.java:2045)
	at hudson.model.AbstractBuild.getEnvironment(AbstractBuild.java:931)
	at hudson.scm.SubversionSCM.compareRemoteRevisionWith(SubversionSCM.java:1230)
	at hudson.scm.SCM._compareRemoteRevisionWith(SCM.java:356)
	at hudson.scm.SCM.poll(SCM.java:373)
	at hudson.model.AbstractProject._poll(AbstractProject.java:1521)
	at hudson.model.AbstractProject.poll(AbstractProject.java:1446)
	at hudson.triggers.SCMTrigger$Runner.runPolling(SCMTrigger.java:439)
	at hudson.triggers.SCMTrigger$Runner.run(SCMTrigger.java:468)
	at hudson.util.SequentialExecutionQueue$QueueEntry.run(SequentialExecutionQueue.java:118)
	at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:441)
	at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:303)
	at java.util.concurrent.FutureTask.run(FutureTask.java:138)
	at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)
	at java.lang.Thread.run(Thread.java:662)

This is because AbstractBuild#getBuiltOn may return null, but this case is not handled in hudson.plugins.zentimestamp.ZenTimestampEnvironmentContributor#buildEnvironmentFor.
See http://javadoc.jenkins-ci.org/hudson/model/AbstractBuild.html#getBuiltOn() for reference.
Project: Jenkins
Priority: Major Major
Reporter: aldaris
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