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From "Andrew Purtell (JIRA)" <j...@apache.org>
Subject [jira] Created: (HBASE-1311) ZooKeeperWrapper: Failed to set watcher on ZNode /hbase/master
Date Sun, 05 Apr 2009 19:47:12 GMT
ZooKeeperWrapper: Failed to set watcher on ZNode /hbase/master

                 Key: HBASE-1311
                 URL: https://issues.apache.org/jira/browse/HBASE-1311
             Project: Hadoop HBase
          Issue Type: Bug
            Reporter: Andrew Purtell

After about 12 hours of operation, this repeats over and over in the regionserver log:

2009-04-05 19:44:38,445 WARN org.apache.hadoop.hbase.zookeeper.ZooKeeperWrapper: Failed to
set watcher on ZNode /hbase/master
org.apache.zookeeper.KeeperException$SessionExpiredException: KeeperErrorCode = Session expired
	at org.apache.zookeeper.KeeperException.create(KeeperException.java:118)
	at org.apache.zookeeper.ZooKeeper.exists(ZooKeeper.java:709)
	at org.apache.hadoop.hbase.zookeeper.ZooKeeperWrapper.watchMasterAddress(ZooKeeperWrapper.java:235)
	at org.apache.hadoop.hbase.regionserver.HRegionServer.watchMasterAddress(HRegionServer.java:343)
	at org.apache.hadoop.hbase.regionserver.HRegionServer.process(HRegionServer.java:339)
	at org.apache.zookeeper.ClientCnxn$EventThread.run(ClientCnxn.java:366)
2009-04-05 19:44:38,445 WARN org.apache.hadoop.hbase.regionserver.HRegionServer: Unable to
set watcher on ZooKeeper master address. Retrying.

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