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From Esteban Gutierrez <este...@cloudera.com>
Subject Re: Hbase Regionserver shutting down
Date Wed, 04 Mar 2015 10:10:13 GMT
-dev
+user

Hi,

Please try upload the logs from this RegionServer to pastebin.com or
gist.github.com so we can look into that.  Also which version of HBase are
you using?

cheers,
esteban.
--
Cloudera, Inc.


On Tue, Mar 3, 2015 at 11:02 PM, shivanandpawar <shivanand.pawar@gmail.com>
wrote:

> We have installed a small Hadoop cluster with 3 machines.
>
> We use the following code to connect to Hbase from java client.
> Configuration config = HBaseConfiguration.create()
> config.set(“hbase.zookeeper.quorum”, “xxxxxx”);
> config.set(“hbase.zookeeper.property.clientPort”, “2181”);
> config.set(“hbase.client.operation.timeout”, “1000”);
> HConnection connection = HConnectionManager.createConnection(config);
> HTableInterface hTable = connection.getTable("tableName");
>
> But somehow the Hbase regionservers automatically shuts down after some
> time
> giving the following error.
> 2015-02-23 03:38:49,472 WARN [regionserver60020]
> zookeeper.RecoverableZooKeeper: Possibly transient ZooKeeper,
>
> quorum=ip-10-174-18-85.ap-southeast-1.compute.internal:2181,ip-10-149-130-178.ap-southeast-1.compute.internal:2181,ip-10-174-28-180.ap-southeast-1.compute.internal:2181,
> exception=org.apache.zookeeper.KeeperException$SessionExpiredException:
> KeeperErrorCode = Session expired for
>
> /hbase/rs/ip-10-174-28-180.ap-southeast-1.compute.internal,60020,1424680062858
> 2015-02-23 03:38:49,472 ERROR [regionserver60020]
> zookeeper.RecoverableZooKeeper: ZooKeeper delete failed after 4 attempts
> 2015-02-23 03:38:49,472 WARN [regionserver60020]
> regionserver.HRegionServer:
> Failed deleting my ephemeral node
> org.apache.zookeeper.KeeperException$SessionExpiredException:
> KeeperErrorCode = Session expired for
>
> /hbase/rs/ip-10-174-28-180.ap-southeast-1.compute.internal,60020,1424680062858
> at org.apache.zookeeper.KeeperException.create(KeeperException.java:127)
> 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:156)
> at org.apache.hadoop.hbase.zookeeper.ZKUtil.deleteNode(ZKUtil.java:1270)
> at org.apache.hadoop.hbase.zookeeper.ZKUtil.deleteNode(ZKUtil.java:1259)
> at
>
> org.apache.hadoop.hbase.regionserver.HRegionServer.deleteMyEphemeralNode(HRegionServer.java:1286)
> at
>
> org.apache.hadoop.hbase.regionserver.HRegionServer.run(HRegionServer.java:1016)
> at java.lang.Thread.run(Thread.java:744)
> 2015-02-23 03:39:10,233 INFO [regionserver60020]
> regionserver.HRegionServer:
> stopping server
> ip-10-174-28-180.ap-southeast-1.compute.internal,60020,1424680062858;
> zookeeper connection closed.
> 2015-02-23 03:39:10,233 INFO [regionserver60020]
> regionserver.HRegionServer:
> regionserver60020 exiting
> 2015-02-23 03:39:10,236 ERROR [main] regionserver.HRegionServerCommandLine:
> Region server exiting
> java.lang.RuntimeException: HRegionServer Aborted
> at
>
> org.apache.hadoop.hbase.regionserver.HRegionServerCommandLine.start(HRegionServerCommandLine.java:66)
> at
>
> org.apache.hadoop.hbase.regionserver.HRegionServerCommandLine.run(HRegionServerCommandLine.java:85)
> at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:70)
> at
>
> org.apache.hadoop.hbase.util.ServerCommandLine.doMain(ServerCommandLine.java:126)
> at
>
> org.apache.hadoop.hbase.regionserver.HRegionServer.main(HRegionServer.java:2403)
> 2015-02-23 03:39:10,240 INFO [Thread-11] regionserver.ShutdownHook:
> Shutdown
> hook starting; hbase.shutdown.hook=true;
>
> fsShutdownHook=org.apache.hadoop.fs.FileSystem$Cache$ClientFinalizer@abde0e7
>
> I tried increasing the JVM Heap size of regioserver to 16GB and session
> time
> out to 120s. But nothing seems to help.
>
>
> Please help to get the issue resolved??
>
>
>
> --
> View this message in context:
> http://apache-hbase.679495.n3.nabble.com/Hbase-Regionserver-shutting-down-tp4068834.html
> Sent from the HBase Developer mailing list archive at Nabble.com.
>

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