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From Vidhyashankar Venkataraman <vidhy...@yahoo-inc.com>
Subject Regions offlined..
Date Fri, 20 Aug 2010 23:52:48 GMT
I am seeing a couple of regions offlined by the master because of an exception (attached below)
at the RS to which the master tried to assign...

 The following jira says the issue has been resolved: But the change is in 0.90.. I am using
0.89 right now: Can you guys let me know of what changes went into  0.89 and what did not?

https://issues.apache.org/jira/browse/HBASE-2866?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12891806#action_12891806

Thank you
Vidhya


2010-08-20 19:18:27,333 INFO org.apache.hadoop.hbase.regionserver.HRegionServer: Got ZooKeeper
event, state: SyncConnected, type: NodeDataChanged, path: /hbase/UNASSIGNED/5da7abbffde229aaab56382c3812363d
2010-08-20 19:18:27,335 WARN org.apache.hadoop.hbase.zookeeper.ZooKeeperWrapper: <b3130520.yst.yahoo.net,b3130560.yst.yahoo.net,b3130600.yst.yahoo.net,b3130640.yst.yahoo.net,b3130680.yst.yahoo.net:/hbase,b3130247.yst.yahoo.net,60020,1282326954084>Failed
to write data to ZooKeeper
org.apache.zookeeper.KeeperException$BadVersionException: KeeperErrorCode = BadVersion for
/hbase/UNASSIGNED/5da7abbffde229aaab56382c3812363d
        at org.apache.zookeeper.KeeperException.create(KeeperException.java:106)
        at org.apache.zookeeper.KeeperException.create(KeeperException.java:42)
        at org.apache.zookeeper.ZooKeeper.setData(ZooKeeper.java:1038)
        at org.apache.hadoop.hbase.zookeeper.ZooKeeperWrapper.writeZNode(ZooKeeperWrapper.java:1062)
        at org.apache.hadoop.hbase.regionserver.RSZookeeperUpdater.updateZKWithEventData(RSZookeeperUpdater.java:161)
        at org.apache.hadoop.hbase.regionserver.RSZookeeperUpdater.startRegionOpenEvent(RSZookeeperUpdater.java:115)
        at org.apache.hadoop.hbase.regionserver.HRegionServer.openRegion(HRegionServer.java:1441)
        at org.apache.hadoop.hbase.regionserver.HRegionServer$Worker.run(HRegionServer.java:1350)
        at java.lang.Thread.run(Thread.java:619)
2010-08-20 19:18:27,335 ERROR org.apache.hadoop.hbase.regionserver.HRegionServer: Error opening
DocDB,0000010644000000,1282331147892.5da7abbffde229aaab56382c3812363d.
java.io.IOException: org.apache.zookeeper.KeeperException$BadVersionException: KeeperErrorCode
= BadVersion for /hbase/UNASSIGNED/5da7abbffde229aaab56382c3812363d
        at org.apache.hadoop.hbase.zookeeper.ZooKeeperWrapper.writeZNode(ZooKeeperWrapper.java:1072)
        at org.apache.hadoop.hbase.regionserver.RSZookeeperUpdater.updateZKWithEventData(RSZookeeperUpdater.java:161)
        at org.apache.hadoop.hbase.regionserver.RSZookeeperUpdater.startRegionOpenEvent(RSZookeeperUpdater.java:115)
        at org.apache.hadoop.hbase.regionserver.HRegionServer.openRegion(HRegionServer.java:1441)
        at org.apache.hadoop.hbase.regionserver.HRegionServer$Worker.run(HRegionServer.java:1350)
        at java.lang.Thread.run(Thread.java:619)
Caused by: org.apache.zookeeper.KeeperException$BadVersionException: KeeperErrorCode = BadVersion
for /hbase/UNASSIGNED/5da7abbffde229aaab56382c3812363d
        at org.apache.zookeeper.KeeperException.create(KeeperException.java:106)
        at org.apache.zookeeper.KeeperException.create(KeeperException.java:42)
        at org.apache.zookeeper.ZooKeeper.setData(ZooKeeper.java:1038)
        at org.apache.hadoop.hbase.zookeeper.ZooKeeperWrapper.writeZNode(ZooKeeperWrapper.java:1062)
        ... 5 more
2010-08-20 19:18:27,336 ERROR org.apache.hadoop.hbase.regionserver.RSZookeeperUpdater: Aborting
open of region 5da7abbffde229aaab56382c3812363d
2010-08-20 19:18:27,337 DEBUG org.apache.hadoop.hbase.regionserver.RSZookeeperUpdater: Updating
ZNode /hbase/UNASSIGNED/5da7abbffde229aaab56382c3812363d with [RS2ZK_REGION_CLOSED] expected
version = 2




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