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https://issues.apache.org/jira/browse/BOOKKEEPER-633?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13692943#comment-13692943
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Hadoop QA commented on BOOKKEEPER-633:
--------------------------------------

Testing JIRA BOOKKEEPER-633


Patch 
[BOOKKEEPER-633.patch|https://issues.apache.org/jira/secure/attachment/12589583/BOOKKEEPER-633.patch]
 downloaded at Tue Jun 25 11:11:21 UTC 2013

----------------------------

{color:green}+1 PATCH_APPLIES{color}
{color:green}+1 CLEAN{color}
{color:green}+1 RAW_PATCH_ANALYSIS{color}
.    {color:green}+1{color} the patch does not introduce any @author tags
.    {color:green}+1{color} the patch does not introduce any tabs
.    {color:green}+1{color} the patch does not introduce any trailing spaces
.    {color:green}+1{color} the patch does not introduce any line longer than 
120
.    {color:green}+1{color} the patch does adds/modifies 1 testcase(s)
{color:green}+1 RAT{color}
.    {color:green}+1{color} the patch does not seem to introduce new RAT 
warnings
{color:green}+1 JAVADOC{color}
.    {color:green}+1{color} the patch does not seem to introduce new Javadoc 
warnings
{color:green}+1 COMPILE{color}
.    {color:green}+1{color} HEAD compiles
.    {color:green}+1{color} patch compiles
.    {color:green}+1{color} the patch does not seem to introduce new javac 
warnings
{color:green}+1 FINDBUGS{color}
.    {color:green}+1{color} the patch does not seem to introduce new Findbugs 
warnings
{color:green}+1 TESTS{color}
.    Tests run: 851
{color:green}+1 DISTRO{color}
.    {color:green}+1{color} distro tarball builds with the patch 

----------------------------
{color:green}*+1 Overall result, good!, no -1s*{color}


The full output of the test-patch run is available at

.   https://builds.apache.org/job/bookkeeper-trunk-precommit-build/383/
                
> 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
>
>
> 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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