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Date: Mon, 23 Jul 2012 16:01:35 +0000 (UTC)
From: "Julian Reschke (JIRA)" <jira@apache.org>
To: oak-dev@jackrabbit.apache.org
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Subject: [jira] [Commented] (OAK-187) ConcurrentModificationException during
 gc run
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    [ https://issues.apache.org/jira/browse/OAK-187?page=3Dcom.atlassian.ji=
ra.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=3D1342073=
0#comment-13420730 ]=20

Julian Reschke commented on OAK-187:
------------------------------------

Saw that today as well.
               =20
> 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 D=C3=BCrig
>
> I sporadically encounter a {{ConcurrentModificationException}} when build=
ing with {{-PintegrationTesting}}. This happens while the {{JcrTckTest}} su=
ite runs and is only printed to the console. No tests fail.
> {code}
> Running org.apache.jackrabbit.oak.jcr.JcrTckIT
> java.util.ConcurrentModificationException
> =09at java.util.TreeMap$PrivateEntryIterator.nextEntry(TreeMap.java:1100)
> =09at java.util.TreeMap$EntryIterator.next(TreeMap.java:1136)
> =09at java.util.TreeMap$EntryIterator.next(TreeMap.java:1131)
> =09at org.apache.jackrabbit.mk.store.DefaultRevisionStore.markBranches(De=
faultRevisionStore.java:562)
> =09at org.apache.jackrabbit.mk.store.DefaultRevisionStore.gc(DefaultRevis=
ionStore.java:498)
> =09at org.apache.jackrabbit.mk.store.DefaultRevisionStore$2.run(DefaultRe=
visionStore.java:160)
> =09at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:=
441)
> =09at java.util.concurrent.FutureTask$Sync.innerRunAndReset(FutureTask.ja=
va:317)
> =09at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:150)
> =09at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTas=
k.access$101(ScheduledThreadPoolExecutor.java:98)
> =09at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTas=
k.runPeriodic(ScheduledThreadPoolExecutor.java:180)
> =09at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTas=
k.run(ScheduledThreadPoolExecutor.java:204)
> =09at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolEx=
ecutor.java:886)
> =09at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecut=
or.java:908)
> =09at 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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