Sagar Khushalani created JENKINS-12987:
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Summary: Concurrent Modification Exception for CVS
Key: JENKINS-12987
URL: https://issues.jenkins-ci.org/browse/JENKINS-12987
Project: Jenkins
Issue Type: Bug
Components: core, cvs
Affects Versions: current
Environment: CentOS 6.0 Master, CentOS 5.5 slave, CVS
Reporter: Sagar Khushalani
Priority: Blocker
CVS polling fails on some projects with the following exception (following is
in the CVS Polling Log):
{noformat}
ERROR: Failed to record SCM polling
java.util.ConcurrentModificationException
at java.util.ArrayList$Itr.checkForComodification(ArrayList.java:782)
at java.util.ArrayList$Itr.next(ArrayList.java:754)
at hudson.scm.CVSSCM.compareRemoteRevisionWith(CVSSCM.java:356)
at hudson.scm.SCM._compareRemoteRevisionWith(SCM.java:356)
at hudson.scm.SCM.poll(SCM.java:373)
at hudson.model.AbstractProject.poll(AbstractProject.java:1323)
at hudson.triggers.SCMTrigger$Runner.runPolling(SCMTrigger.java:420)
at hudson.triggers.SCMTrigger$Runner.run(SCMTrigger.java:449)
at
hudson.util.SequentialExecutionQueue$QueueEntry.run(SequentialExecutionQueue.java:118)
at
java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:471)
at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:334)
at java.util.concurrent.FutureTask.run(FutureTask.java:166)
at
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1110)
at
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:603)
at java.lang.Thread.run(Thread.java:636)
{noformat}
This causes the polling to fail, and the project to not find any differences,
therefore not build on update.
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