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From Michael Dürig (JIRA) <j...@apache.org>
Subject [jira] [Created] (OAK-187) ConcurrentModificationException during gc run
Date Fri, 13 Jul 2012 15:33:34 GMT
Michael Dürig created OAK-187:
---------------------------------

             Summary: ConcurrentModificationException during gc run
                 Key: OAK-187
                 URL: https://issues.apache.org/jira/browse/OAK-187
             Project: Jackrabbit Oak
          Issue Type: Bug
          Components: mk
            Reporter: Michael Dürig


I sporadically encounter a {{ConcurrentModificationException}} when building with {{-PintegrationTesting}}.
This happens while the {{JcrTckTest}} suite runs and is only printed to the console. No tests
fail.

{code}
Running org.apache.jackrabbit.oak.jcr.JcrTckIT
java.util.ConcurrentModificationException
	at java.util.TreeMap$PrivateEntryIterator.nextEntry(TreeMap.java:1100)
	at java.util.TreeMap$EntryIterator.next(TreeMap.java:1136)
	at java.util.TreeMap$EntryIterator.next(TreeMap.java:1131)
	at org.apache.jackrabbit.mk.store.DefaultRevisionStore.markBranches(DefaultRevisionStore.java:562)
	at org.apache.jackrabbit.mk.store.DefaultRevisionStore.gc(DefaultRevisionStore.java:498)
	at org.apache.jackrabbit.mk.store.DefaultRevisionStore$2.run(DefaultRevisionStore.java:160)
	at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:441)
	at java.util.concurrent.FutureTask$Sync.innerRunAndReset(FutureTask.java:317)
	at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:150)
	at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$101(ScheduledThreadPoolExecutor.java:98)
	at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.runPeriodic(ScheduledThreadPoolExecutor.java:180)
	at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:204)
	at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)
	at java.lang.Thread.run(Thread.java:680)
Tests run: 1906, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 65.443 sec
{code}

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