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From "Hudson (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-9481) Servershutdown handler get aborted with ConcurrentModificationException
Date Tue, 10 Sep 2013 22:06:56 GMT

    [ https://issues.apache.org/jira/browse/HBASE-9481?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13763596#comment-13763596
] 

Hudson commented on HBASE-9481:
-------------------------------

SUCCESS: Integrated in hbase-0.96-hadoop2 #16 (See [https://builds.apache.org/job/hbase-0.96-hadoop2/16/])
HBASE-9481. Servershutdown handler get aborted with ConcurrentModificationException (ddas:
rev 1521572)
* /hbase/branches/0.96/hbase-server/src/main/java/org/apache/hadoop/hbase/master/RegionStates.java

                
> Servershutdown handler get aborted with ConcurrentModificationException
> -----------------------------------------------------------------------
>
>                 Key: HBASE-9481
>                 URL: https://issues.apache.org/jira/browse/HBASE-9481
>             Project: HBase
>          Issue Type: Bug
>          Components: MTTR
>    Affects Versions: 0.96.0
>            Reporter: Jeffrey Zhong
>            Assignee: Jeffrey Zhong
>             Fix For: 0.96.0
>
>         Attachments: hbase-9481.patch
>
>
> In integration tests, we found SSH got aborted with following stack trace:
> {code}
> 13/09/07 18:10:00 ERROR executor.EventHandler: Caught throwable while processing event
M_SERVER_SHUTDOWN
> java.util.ConcurrentModificationException
>         at java.util.HashMap$HashIterator.nextEntry(HashMap.java:793)
>         at java.util.HashMap$ValueIterator.next(HashMap.java:822)
>         at org.apache.hadoop.hbase.master.RegionStates.serverOffline(RegionStates.java:378)
>         at org.apache.hadoop.hbase.master.AssignmentManager.processServerShutdown(AssignmentManager.java:3143)
>         at org.apache.hadoop.hbase.master.handler.ServerShutdownHandler.process(ServerShutdownHandler.java:207)
>         at org.apache.hadoop.hbase.executor.EventHandler.run(EventHandler.java:131)
>         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:662)
> {code}

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