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https://issues.apache.org/jira/browse/HBASE-6012?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13276467#comment-13276467
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chunhui shen commented on HBASE-6012:
-------------------------------------
@ram
Yes, we found this issue after HBASE-5914.
Without HBASE-5914, I think it wouldn't happen when bulk assigning
> AssignmentManager#asyncSetOfflineInZooKeeper wouldn't force node offline
> ------------------------------------------------------------------------
>
> Key: HBASE-6012
> URL: https://issues.apache.org/jira/browse/HBASE-6012
> Project: HBase
> Issue Type: Bug
> Reporter: chunhui shen
> Assignee: chunhui shen
> Attachments: HBASE-6012.patch
>
>
> As the javadoc of method and the log message
> {code}
> /**
> * Set region as OFFLINED up in zookeeper asynchronously.
> */
> boolean asyncSetOfflineInZooKeeper(
> ...
> master.abort("Unexpected ZK exception creating/setting node OFFLINE", e);
> ...
> }
> {code}
> I think AssignmentManager#asyncSetOfflineInZooKeeper should also force node
> offline, just like AssignmentManager#setOfflineInZooKeeper do. Otherwise, it
> may cause bulk assign failed which called this method.
> Error log on the master caused by the issue
> 2012-05-12 01:40:09,437 DEBUG
> org.apache.hadoop.hbase.master.AssignmentManager: Forcing OFFLINE;
> was=writetest,1YTQDPGLXBTICHOPQ6IL,1336590857771.674da422fc7cb9a7d42c74499ace1d93.
> state=PENDING_CLOSE, ts=1336757876856
> 2012-05-12 01:40:09,437 DEBUG org.apache.hadoop.hbase.zookeeper.ZKAssign:
> master:60000-0x23736bf74780082 Async create of unassigned node for
> 674da422fc7cb9a7d42c74499ace1d93 with OFFLINE state
> 2012-05-12 01:40:09,446 WARN
> org.apache.hadoop.hbase.master.AssignmentManager$CreateUnassignedAsyncCallback:
> rc != 0 for /hbase-func1/unassigned/674da422fc7cb9a7d42c74499ace1d93 --
> retryable connectionloss -- FIX see
> http://wiki.apache.org/hadoop/ZooKeeper/FAQ#A2
> 2012-05-12 01:40:09,447 FATAL org.apache.hadoop.hbase.master.HMaster:
> Connectionloss writing unassigned at
> /hbase-func1/unassigned/674da422fc7cb9a7d42c74499ace1d93, rc=-110
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