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From Dhanasekaran Anbalagan <bugcy...@gmail.com>
Subject Hbase ConnectionLoss for /hbase/master
Date Wed, 03 Apr 2013 08:47:58 GMT
Hi Guys,

I trying to run hbase based parser program. Basically the parsed output
written in Hbase table. When I ran my program. tables created some data
also inserted to the table. but not fully table updated.

This Exception seen in console output. I try to find goggling it's gives
try to configure zookeeper session. I correctly
configure  hbase.zookeeper.quorum property I mentioned all my zookeeper
machine names.

2013-04-02 17:50:13,888 ERROR   RecoverableZooKeeper
[pool-1-thread-19-EventThread]: ZooKeeper exists failed after 3 retries
2013-04-02 17:50:13,900 ERROR   ZooKeeperWatcher
[pool-1-thread-19-EventThread]: hconnection Received unexpected
KeeperException, re-throwing exception
org.apache.zookeeper.KeeperException$ConnectionLossException:
KeeperErrorCode = ConnectionLoss for /hbase/master
at org.apache.zookeeper.KeeperException.create(KeeperException.java:99)
at org.apache.zookeeper.KeeperException.create(KeeperException.java:51)
at org.apache.zookeeper.ZooKeeper.exists(ZooKeeper.java:1021)
at
org.apache.hadoop.hbase.zookeeper.RecoverableZooKeeper.exists(RecoverableZooKeeper.java:154)
at
org.apache.hadoop.hbase.zookeeper.ZKUtil.watchAndCheckExists(ZKUtil.java:226)
at
org.apache.hadoop.hbase.zookeeper.ZooKeeperNodeTracker.start(ZooKeeperNodeTracker.java:82)
at
org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation.setupZookeeperTrackers(HConnectionManager.java:580)
at
org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation.resetZooKeeperTrackers(HConnectionManager.java:597)
at
org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation.abort(HConnectionManager.java:1720)
at
org.apache.hadoop.hbase.zookeeper.ZooKeeperWatcher.connectionEvent(ZooKeeperWatcher.java:374)
at
org.apache.hadoop.hbase.zookeeper.ZooKeeperWatcher.process(ZooKeeperWatcher.java:271)
at
org.apache.zookeeper.ClientCnxn$EventThread.processEvent(ClientCnxn.java:521)
at org.apache.zookeeper.ClientCnxn$EventThread.run(ClientCnxn.java:497)
2013-04-02 17:50:46,601 FATAL
HConnectionManager$HConnectionImplementation
[pool-1-thread-19-EventThread]: Unexpected exception during initialization,
aborting
org.apache.zookeeper.KeeperException$ConnectionLossException:
KeeperErrorCode = ConnectionLoss for /hbase/master
at org.apache.zookeeper.KeeperException.create(KeeperException.java:99)
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:154)
at
org.apache.hadoop.hbase.zookeeper.ZKUtil.watchAndCheckExists(ZKUtil.java:226)
at
org.apache.hadoop.hbase.zookeeper.ZooKeeperNodeTracker.start(ZooKeeperNodeTracker.java:82)
at
org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation.setupZookeeperTrackers(HConnectionManager.java:580)
at
org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation.resetZooKeeperTrackers(HConnectionManager.java:597)
at
org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation.abort(HConnectionManager.java:1720)
at
org.apache.hadoop.hbase.zookeeper.ZooKeeperWatcher.connectionEvent(ZooKeeperWatcher.java:374)
at
org.apache.hadoop.hbase.zookeeper.ZooKeeperWatcher.process(ZooKeeperWatcher.java:271)
at
org.apache.zookeeper.ClientCnxn$EventThread.processEvent(ClientCnxn.java:521)
at org.apache.zookeeper.ClientCnxn$EventThread.run(ClientCnxn.java:497)


Please guide me. how to fix this.

-Dhanasekaran.

Did I learn something today? If not, I wasted it.

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