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https://issues.apache.org/jira/browse/HBASE-5781?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13254293#comment-13254293
]
Hudson commented on HBASE-5781:
-------------------------------
Integrated in HBase-0.94 #117 (See
[https://builds.apache.org/job/HBase-0.94/117/])
HBASE-5781 Zookeeper session got closed while trying to assign the region
to RS using hbck -fix (Revision 1326281)
Result = FAILURE
jmhsieh :
Files :
*
/hbase/branches/0.94/src/main/java/org/apache/hadoop/hbase/util/HBaseFsckRepair.java
> Zookeeper session got closed while trying to assign the region to RS using
> hbck -fix
> ------------------------------------------------------------------------------------
>
> Key: HBASE-5781
> URL: https://issues.apache.org/jira/browse/HBASE-5781
> Project: HBase
> Issue Type: Bug
> Components: hbck
> Affects Versions: 0.90.7, 0.92.1, 0.94.0, 0.96.0
> Reporter: Kristam Subba Swathi
> Assignee: Jonathan Hsieh
> Priority: Critical
> Fix For: 0.90.7, 0.92.2, 0.94.0, 0.96.0
>
> Attachments: hbase-5781.patch
>
>
> After running the hbck in the cluster ,it is found that one region is not
> assigned
> So the hbck -fix is used to fix this
> But the assignment didnt happen since the zookeeper session is closed
> Please find the attached trace for more details
> -----------------------------------------
> Trying to fix unassigned region...
> 12/04/03 11:02:57 INFO util.HBaseFsckRepair: Region still in transition,
> waiting for it to become assigned: {NAME =>
> 'ufdr,002300,1333379123498.00871fbd7583512e12c4eb38e900be8d.', STARTKEY =>
> '002300', ENDKEY => '002311', ENCODED => 00871fbd7583512e12c4eb38e900be8d,}
> 12/04/03 11:02:58 INFO client.HConnectionManager$HConnectionImplementation:
> Closed zookeeper sessionid=0x236738a2630000a
> 12/04/03 11:02:58 INFO zookeeper.ZooKeeper: Session: 0x236738a2630000a closed
> ERROR: Region { meta =>
> ufdr,010444,1333379123857.01594219211d0035b9586f98954462e1., hdfs =>
> hdfs://10.18.40.25:9000/hbase/ufdr/01594219211d0035b9586f98954462e1, deployed
> => } not deployed on any region server.
> Trying to fix unassigned region...
> 12/04/03 11:02:58 INFO zookeeper.ClientCnxn: EventThread shut down
> 12/04/03 11:02:58 WARN zookeeper.ZKUtil: hconnection-0x236738a2630000a Unable
> to set watcher on znode (/hbase)
> org.apache.zookeeper.KeeperException$SessionExpiredException: KeeperErrorCode
> = Session expired for /hbase
> at org.apache.zookeeper.KeeperException.create(KeeperException.java:127)
> at org.apache.zookeeper.KeeperException.create(KeeperException.java:51)
> at org.apache.zookeeper.ZooKeeper.exists(ZooKeeper.java:1021)
> at
> org.apache.hadoop.hbase.zookeeper.RecoverableZooKeeper.exists(RecoverableZooKeeper.java:150)
> at org.apache.hadoop.hbase.zookeeper.ZKUtil.checkExists(ZKUtil.java:263)
> at
> org.apache.hadoop.hbase.zookeeper.ZooKeeperNodeTracker.checkIfBaseNodeAvailable(ZooKeeperNodeTracker.java:208)
> at
> org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation.checkIfBaseNodeAvailable(HConnectionManager.java:695)
> at
> org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation.getMaster(HConnectionManager.java:626)
> at org.apache.hadoop.hbase.client.HBaseAdmin.getMaster(HBaseAdmin.java:211)
> at org.apache.hadoop.hbase.client.HBaseAdmin.assign(HBaseAdmin.java:1325)
> at
> org.apache.hadoop.hbase.util.HBaseFsckRepair.forceOfflineInZK(HBaseFsckRepair.java:109)
> at
> org.apache.hadoop.hbase.util.HBaseFsckRepair.fixUnassigned(HBaseFsckRepair.java:92)
> at
> org.apache.hadoop.hbase.util.HBaseFsck.tryAssignmentRepair(HBaseFsck.java:1235)
> at
> org.apache.hadoop.hbase.util.HBaseFsck.checkRegionConsistency(HBaseFsck.java:1351)
> at
> org.apache.hadoop.hbase.util.HBaseFsck.checkAndFixConsistency(HBaseFsck.java:1114)
> at
> org.apache.hadoop.hbase.util.HBaseFsck.onlineConsistencyRepair(HBaseFsck.java:356)
> at org.apache.hadoop.hbase.util.HBaseFsck.onlineHbck(HBaseFsck.java:375)
> at org.apache.hadoop.hbase.util.HBaseFsck.main(HBaseFsck.java:2894)
> 12/04/03 11:02:58 ERROR zookeeper.ZooKeeperWatcher:
> hconnection-0x236738a2630000a Received unexpected KeeperException,
> re-throwing exception
> org.apache.zookeeper.KeeperException$SessionExpiredException: KeeperErrorCode
> = Session expired for /hbase
> at org.apache.zookeeper.KeeperException.create(KeeperException.java:127)
> at org.apache.zookeeper.KeeperException.create(KeeperException.java:51)
> at org.apache.zookeeper.ZooKeeper.exists(ZooKeeper.java:1021)
> at
> org.apache.hadoop.hbase.zookeeper.RecoverableZooKeeper.exists(RecoverableZooKeeper.java:150)
> at org.apache.hadoop.hbase.zookeeper.ZKUtil.checkExists(ZKUtil.java:263)
> at
> org.apache.hadoop.hbase.zookeeper.ZooKeeperNodeTracker.checkIfBaseNodeAvailable(ZooKeeperNodeTracker.java:208)
> at
> org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation.checkIfBaseNodeAvailable(HConnectionManager.java:695)
> at
> org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation.getMaster(HConnectionManager.java:626)
> at org.apache.hadoop.hbase.client.HBaseAdmin.getMaster(HBaseAdmin.java:211)
> at org.apache.hadoop.hbase.client.HBaseAdmin.assign(HBaseAdmin.java:1325)
> at
> org.apache.hadoop.hbase.util.HBaseFsckRepair.forceOfflineInZK(HBaseFsckRepair.java:109)
> at
> org.apache.hadoop.hbase.util.HBaseFsckRepair.fixUnassigned(HBaseFsckRepair.java:92)
> at
> org.apache.hadoop.hbase.util.HBaseFsck.tryAssignmentRepair(HBaseFsck.java:1235)
> at
> org.apache.hadoop.hbase.util.HBaseFsck.checkRegionConsistency(HBaseFsck.java:1351)
> at
> org.apache.hadoop.hbase.util.HBaseFsck.checkAndFixConsistency(HBaseFsck.java:1114)
> at
> org.apache.hadoop.hbase.util.HBaseFsck.onlineConsistencyRepair(HBaseFsck.java:356)
> at org.apache.hadoop.hbase.util.HBaseFsck.onlineHbck(HBaseFsck.java:375)
> at org.apache.hadoop.hbase.util.HBaseFsck.main(HBaseFsck.java:2894)
> 12/04/03 11:02:58 INFO client.HConnectionManager$HConnectionImplementation:
> This client just lost it's session with ZooKeeper, trying to reconnect.
> 12/04/03 11:02:58 INFO client.HConnectionManager$HConnectionImplementation:
> Trying to reconnect to zookeeper
> 12/04/03 11:02:58 INFO zookeeper.ZooKeeper: Initiating client connection,
> connectString=10.18.40.21:2181,10.18.40.25:2181,10.18.40.93:2181
> sessionTimeout=60000 watcher=hconnection
> 12/04/03 11:02:58 INFO zookeeper.ClientCnxn: Opening socket connection to
> server /10.18.40.93:2181
> 12/04/03 11:02:58 INFO zookeeper.RecoverableZooKeeper: The identifier of this
> process is 18333@HOST-10-18-40-93
> 12/04/03 11:02:58 WARN client.ZooKeeperSaslClient: SecurityException:
> java.lang.SecurityException: Unable to locate a login configuration occurred
> when trying to find JAAS configuration.
> 12/04/03 11:02:58 INFO client.ZooKeeperSaslClient: Client will not
> SASL-authenticate because the default JAAS configuration section 'Client'
> could not be found. If you are not using SASL, you may ignore this. On the
> other hand, if you expected SASL to work, please fix your JAAS configuration.
> 12/04/03 11:02:58 INFO zookeeper.ClientCnxn: Socket connection established to
> HOST-10-18-40-93/10.18.40.93:2181, initiating session
> 12/04/03 11:02:58 INFO zookeeper.ClientCnxn: Session establishment complete
> on server HOST-10-18-40-93/10.18.40.93:2181, sessionid = 0x3367392d5140018,
> negotiated timeout = 40000
> 12/04/03 11:02:58 INFO client.HConnectionManager$HConnectionImplementation:
> Reconnected successfully. This disconnect could have been caused by a network
> partition or a long-running GC pause, either way it's recommended that you
> verify your environment.
> Exception in thread "main" org.apache.hadoop.hbase.MasterNotRunningException
> at
> org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation.getMaster(HConnectionManager.java:686)
> at org.apache.hadoop.hbase.client.HBaseAdmin.getMaster(HBaseAdmin.java:211)
> at org.apache.hadoop.hbase.client.HBaseAdmin.assign(HBaseAdmin.java:1325)
> at
> org.apache.hadoop.hbase.util.HBaseFsckRepair.forceOfflineInZK(HBaseFsckRepair.java:109)
> at
> org.apache.hadoop.hbase.util.HBaseFsckRepair.fixUnassigned(HBaseFsckRepair.java:92)
> at
> org.apache.hadoop.hbase.util.HBaseFsck.tryAssignmentRepair(HBaseFsck.java:1235)
> at
> org.apache.hadoop.hbase.util.HBaseFsck.checkRegionConsistency(HBaseFsck.java:1351)
> at
> org.apache.hadoop.hbase.util.HBaseFsck.checkAndFixConsistency(HBaseFsck.java:1114)
> at
> org.apache.hadoop.hbase.util.HBaseFsck.onlineConsistencyRepair(HBaseFsck.java:356)
> at org.apache.hadoop.hbase.util.HBaseFsck.onlineHbck(HBaseFsck.java:375)
> at org.apache.hadoop.hbase.util.HBaseFsck.main(HBaseFsck.java:2894)
> Please find the attached file for more details..
>
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