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Posted to issues@hbase.apache.org by "Jimmy Xiang (JIRA)" <ji...@apache.org> on 2013/03/21 02:09:15 UTC
[jira] [Commented] (HBASE-8160) HMaster#move doesn't check if
master initialized
[ https://issues.apache.org/jira/browse/HBASE-8160?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13608499#comment-13608499 ]
Jimmy Xiang commented on HBASE-8160:
------------------------------------
>From the log we can see the master is still in AM#joinCluster while the unassign failed:
{noformat}
2013-03-19 17:53:16,489 INFO org.apache.hadoop.hbase.zookeeper.RecoverableZooKeeper: Node /hbase/unassigned/6fc8fafe6ca428ef6c10a80494ef6a1d already exists and this is not a retry
2013-03-19 17:53:16,489 DEBUG org.apache.hadoop.hbase.master.AssignmentManager: Found {NAME => 'import1_table1363740532,,1363740464219.7e5bad9226e98407a1d7281494728c7b.', STARTKEY => '', ENDKEY => '', ENCODED => 7e5bad9226e98407a1d7281494728c7b,}=hbase-rolling-4.ent.cloudera.com,60020,1363740241018 out on cluster
2013-03-19 17:53:16,493 FATAL org.apache.hadoop.hbase.master.HMaster: Master server abort: loaded coprocessors are: []
2013-03-19 17:53:16,493 FATAL org.apache.hadoop.hbase.master.HMaster: Unexpected ZK exception creating node CLOSING
org.apache.zookeeper.KeeperException$NodeExistsException: KeeperErrorCode = NodeExists for /hbase/unassigned/6fc8fafe6ca428ef6c10a80494ef6a1d
.....
2013-03-19 17:53:16,498 INFO org.apache.hadoop.hbase.master.HMaster: Aborting
2013-03-19 17:53:16,499 INFO org.apache.hadoop.hbase.master.AssignmentManager: Found regions out on cluster or in RIT; failover
{noformat}
> HMaster#move doesn't check if master initialized
> ------------------------------------------------
>
> Key: HBASE-8160
> URL: https://issues.apache.org/jira/browse/HBASE-8160
> Project: HBase
> Issue Type: Bug
> Components: master
> Reporter: Jimmy Xiang
> Assignee: Jimmy Xiang
> Priority: Trivial
> Attachments: 0.94-8160.patch, trunk-8160.patch
>
>
> Before the master is initialized, if a move request comes in, it could cause the master to abort, if the region was already in transition before the master started up.
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