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https://issues.apache.org/jira/browse/HBASE-3406?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13010755#comment-13010755
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Jean-Daniel Cryans commented on HBASE-3406:
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Yeah, they seem to be different instances of the same issue.
> Region stuck in transition after RS failed while opening
> --------------------------------------------------------
>
> Key: HBASE-3406
> URL: https://issues.apache.org/jira/browse/HBASE-3406
> Project: HBase
> Issue Type: Bug
> Affects Versions: 0.90.0
> Reporter: Todd Lipcon
> Priority: Critical
> Fix For: 0.90.2
>
>
> I had a RS fail due to GC pause while it was in the midst of opening a
> region, apparently. This got the region stuck in the following repeating
> sequence in the master log:
> 2011-01-03 17:24:33,884 INFO
> org.apache.hadoop.hbase.master.AssignmentManager: Region has been OPENING for
> too long, reassigning
> region=usertable,user991629466,1293747979500.c6a54b4d07a44e113b3a4d2ab22daa70.
> 2011-01-03 17:24:33,885 DEBUG org.apache.hadoop.hbase.zookeeper.ZKUtil:
> master:60000-0x12ce26f6c0600e3 Retrieved 113 byte(s) of data from znode
> /hbase/unassigned/c6a54b4d07a44e113b3a4d2ab22daa70;
> data=region=usertable,user991629466,1293747979500.c6a54b4d07a44e113b3a4d2ab22daa70.,
> server=haus03.sf.cloudera.com:60000, state=M_ZK_REGION_OFFLINE
> 2011-01-03 17:24:43,886 INFO
> org.apache.hadoop.hbase.master.AssignmentManager: Regions in transition timed
> out: usertable,user991629466,1293747979500.c6a54b4d07a44e113b3a4d2ab22daa70.
> state=OPENING, ts=1293840977790
> 2011-01-03 17:24:43,886 INFO
> org.apache.hadoop.hbase.master.AssignmentManager: Region has been OPENING for
> too long, reassigning
> region=usertable,user991629466,1293747979500.c6a54b4d07a44e113b3a4d2ab22daa70.
> 2011-01-03 17:24:43,887 DEBUG org.apache.hadoop.hbase.zookeeper.ZKUtil:
> master:60000-0x12ce26f6c0600e3 Retrieved 113 byte(s) of data from znode
> /hbase/unassigned/c6a54b4d07a44e113b3a4d2ab22daa70;
> data=region=usertable,user991629466,1293747979500.c6a54b4d07a44e113b3a4d2ab22daa70.,
> server=haus03.sf.cloudera.com:60000, state=M_ZK_REGION_OFFLINE
> etc... repeating every 10 seconds. Eventually I ran hbck -fix which forced it
> to OFFLINE in ZK and it reassigned just fine.
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