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
