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From "Jean-Daniel Cryans (JIRA)" <j...@apache.org>
Subject [jira] Created: (HBASE-2124) Useless exception in HMaster on startup
Date Thu, 14 Jan 2010 21:55:54 GMT
Useless exception in HMaster on startup
---------------------------------------

                 Key: HBASE-2124
                 URL: https://issues.apache.org/jira/browse/HBASE-2124
             Project: Hadoop HBase
          Issue Type: Improvement
            Reporter: Jean-Daniel Cryans
            Assignee: Jean-Daniel Cryans
             Fix For: 0.20.3, 0.21.0


Here's the exception: 

{code}
ava.io.IOException: org.apache.zookeeper.KeeperException$NoNodeException: KeeperErrorCode
= NoNode for /hbase/master
       at org.apache.hadoop.hbase.zookeeper.ZooKeeperWrapper.readAddressOrThrow(ZooKeeperWrapper.java:332)
       at org.apache.hadoop.hbase.zookeeper.ZooKeeperWrapper.readAddress(ZooKeeperWrapper.java:318)
       at org.apache.hadoop.hbase.zookeeper.ZooKeeperWrapper.readMasterAddress(ZooKeeperWrapper.java:250)
       at org.apache.hadoop.hbase.master.ZKMasterAddressWatcher.waitForMasterAddressAvailability(ZKMasterAddressWatcher.java:82)
       at org.apache.hadoop.hbase.master.HMaster.writeAddressToZooKeeper(HMaster.java:267)
       at org.apache.hadoop.hbase.master.HMaster.<init>(HMaster.java:254)
       at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
       at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:39)
       at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:27)
{code}

If fixed in in trunk by removing it, but not in branch. Looking at it again, we could just
log the message. Will change in branch and trunk.

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