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https://issues.apache.org/jira/browse/BOOKKEEPER-633?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13693029#comment-13693029
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Ivan Kelly commented on BOOKKEEPER-633:
---------------------------------------
Great, thanks. I'll wait for jenkins to run, then push it in.
> ConcurrentModificationException in RackawareEnsemblePlacementPolicy when a
> bookie is removed from available list
> ----------------------------------------------------------------------------------------------------------------
>
> Key: BOOKKEEPER-633
> URL: https://issues.apache.org/jira/browse/BOOKKEEPER-633
> Project: Bookkeeper
> Issue Type: Bug
> Components: bookkeeper-client
> Affects Versions: 4.3.0
> Reporter: Vinay
> Assignee: Vinay
> Fix For: 4.3.0
>
> Attachments: BOOKKEEPER-633.patch, BOOKKEEPER-633.patch
>
>
> Got below exception while running one of the tests from TestReplicationWorker
> {noformat}2013-06-25 15:09:28,546 - ERROR -
> [main-EventThread:ClientCnxn$EventThread@623] - Caught unexpected throwable
> java.util.ConcurrentModificationException
> at java.util.HashMap$HashIterator.nextEntry(HashMap.java:793)
> at java.util.HashMap$KeyIterator.next(HashMap.java:828)
> at com.google.common.collect.Iterators$8.computeNext(Iterators.java:735)
> at
> com.google.common.collect.AbstractIterator.tryToComputeNext(AbstractIterator.java:143)
> at
> com.google.common.collect.AbstractIterator.hasNext(AbstractIterator.java:138)
> at
> org.apache.bookkeeper.client.RackawareEnsemblePlacementPolicy.onClusterChanged(RackawareEnsemblePlacementPolicy.java:380)
> at
> org.apache.bookkeeper.client.BookieWatcher.processResult(BookieWatcher.java:135)
> at
> org.apache.zookeeper.ClientCnxn$EventThread.processEvent(ClientCnxn.java:591)
> at
> org.apache.zookeeper.ClientCnxn$EventThread.run(ClientCnxn.java:497){noformat}
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