Concurrent Modification Exception for CVS

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      CVS polling fails on some projects with the following exception (following is in the CVS Polling Log): 

      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)

      This causes the polling to fail, and the project to not find any differences, therefore not build on update.

            Assignee:
            Unassigned
            Reporter:
            Sagar Khushalani
            Archiver:
            Jenkins Service Account

              Created:
              Updated:
              Resolved:
              Archived: