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HBase >> mail # user >> Region Server not starting


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Re: Region Server not starting
Do you have a ZNode in ZK for the server you changed the IP? If the server
is down, you might want to try to manually delete this ZNode and restart?
2013/11/8 Suresh V S <[EMAIL PROTECTED]>

> Dear all,
>
> I had to change the IP address of a hbase region server in the cluster.
>  After effecting the IP change, all services in cluster came up fine, but
> for the region server on this node.
>
> Kindly advise how to solve this problem.
>
> The log on the region server with the error portion is as below:
>
> 2013-11-08 13:41:13,780 DEBUG
> org.apache.hadoop.hbase.regionserver.CompactSplitThread: Waiting for Large
> Compaction Thread to finish...
> 2013-11-08 13:41:13,780 DEBUG
> org.apache.hadoop.hbase.regionserver.CompactSplitThread: Waiting for Small
> Compaction Thread to finish...
> 2013-11-08 13:41:13,795 WARN
> org.apache.hadoop.hbase.zookeeper.RecoverableZooKeeper: Node
> /hbase/rs/harry,60020,1383898273175 already deleted, and this is not a retry
> 2013-11-08 13:41:13,795 WARN
> org.apache.hadoop.hbase.regionserver.HRegionServer: Failed deleting my
> ephemeral node
> org.apache.zookeeper.KeeperException$NoNodeException: KeeperErrorCode > NoNode for /hbase/rs/harry,60020,1383898273175
>         at
> org.apache.zookeeper.KeeperException.create(KeeperException.java:111)
>         at
> org.apache.zookeeper.KeeperException.create(KeeperException.java:51)
>         at org.apache.zookeeper.ZooKeeper.delete(ZooKeeper.java:873)
>         at
> org.apache.hadoop.hbase.zookeeper.RecoverableZooKeeper.delete(RecoverableZooKeeper.java:127)
>         at
> org.apache.hadoop.hbase.zookeeper.ZKUtil.deleteNode(ZKUtil.java:974)
>         at
> org.apache.hadoop.hbase.zookeeper.ZKUtil.deleteNode(ZKUtil.java:963)
>         at
> org.apache.hadoop.hbase.regionserver.HRegionServer.deleteMyEphemeralNode(HRegionServer.java:1037)
>         at
> org.apache.hadoop.hbase.regionserver.HRegionServer.run(HRegionServer.java:815)
>         at java.lang.Thread.run(Thread.java:662)
> 2013-11-08 13:41:13,812 INFO org.apache.zookeeper.ZooKeeper: Session:
> 0x14231e9cc68000c closed
> 2013-11-08 13:41:13,812 INFO org.apache.zookeeper.ClientCnxn: EventThread
> shut down
> 2013-11-08 13:41:13,812 INFO
> org.apache.hadoop.hbase.regionserver.HRegionServer: stopping server null;
> zookeeper connection closed.
> 2013-11-08 13:41:13,813 INFO
> org.apache.hadoop.hbase.regionserver.HRegionServer: regionserver60020
> exiting
> 2013-11-08 13:41:13,813 INFO
> org.apache.hadoop.hbase.regionserver.ShutdownHook: Shutdown hook starting;
> hbase.shutdown.hook=true;
> fsShutdownHook=org.apache.hadoop.fs.FileSystem$Cache$ClientFinalizer@225f1ae9
> <mailto:fsShutdownHook
> =org.apache.hadoop.fs.FileSystem$Cache$ClientFinalizer@225f1ae9>
>
> Suresh.
>
>
>
>
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NEW: Monitor These Apps!
elasticsearch, apache solr, apache hbase, hadoop, redis, casssandra, amazon cloudwatch, mysql, memcached, apache kafka, apache zookeeper, apache storm, ubuntu, centOS, red hat, debian, puppet labs, java, senseiDB