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From "Nitay Joffe (JIRA)" <j...@apache.org>
Subject [jira] Updated: (HBASE-1311) ZooKeeperWrapper: Failed to set watcher on ZNode /hbase/master
Date Fri, 08 May 2009 19:24:52 GMT

     [ https://issues.apache.org/jira/browse/HBASE-1311?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Nitay Joffe updated HBASE-1311:
-------------------------------

    Attachment: dump.txt

Here's a dump of running the test.

> 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
>            Assignee: Nitay Joffe
>             Fix For: 0.20.0
>
>         Attachments: dumb-wrapper-hack.patch, dump.txt, hbase-1311.patch
>
>
> 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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