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From: Esteban Gutierrez <esteban@cloudera.com>
Date: Wed, 4 Mar 2015 02:10:13 -0800
Message-ID: 
 <CALPvCiC3_qdcB_vj255SQ_rKp+zxW4yuUU6z82CzWbW00roEpw@mail.gmail.com>
Subject: Re: Hbase Regionserver shutting down
To: "user@hbase.apache.org" <user@hbase.apache.org>
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-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 =3D HBaseConfiguration.create()
> config.set(=E2=80=9Chbase.zookeeper.quorum=E2=80=9D, =E2=80=9Cxxxxxx=E2=
=80=9D);
> config.set(=E2=80=9Chbase.zookeeper.property.clientPort=E2=80=9D, =E2=80=
=9C2181=E2=80=9D);
> config.set(=E2=80=9Chbase.client.operation.timeout=E2=80=9D, =E2=80=9C100=
0=E2=80=9D);
> HConnection connection =3D HConnectionManager.createConnection(config);
> HTableInterface hTable =3D 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=3Dip-10-174-18-85.ap-southeast-1.compute.internal:2181,ip-10-149-1=
30-178.ap-southeast-1.compute.internal:2181,ip-10-174-28-180.ap-southeast-1=
.compute.internal:2181,
> exception=3Dorg.apache.zookeeper.KeeperException$SessionExpiredException:
> KeeperErrorCode =3D Session expired for
>
> /hbase/rs/ip-10-174-28-180.ap-southeast-1.compute.internal,60020,14246800=
62858
> 2015-02-23 03:38:49,472 ERROR [regionserver60020]
> zookeeper.RecoverableZooKeeper: ZooKeeper delete failed after 4 attempts
> 2015-02-23 03:38:49,472 WARN [regionserver60020]
> regionserver.HRegionServer:
> Failed deleting my ephemeral node
> org.apache.zookeeper.KeeperException$SessionExpiredException:
> KeeperErrorCode =3D Session expired for
>
> /hbase/rs/ip-10-174-28-180.ap-southeast-1.compute.internal,60020,14246800=
62858
> 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(Recoverable=
ZooKeeper.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.HRegionServerCommandLin=
e:
> Region server exiting
> java.lang.RuntimeException: HRegionServer Aborted
> at
>
> org.apache.hadoop.hbase.regionserver.HRegionServerCommandLine.start(HRegi=
onServerCommandLine.java:66)
> at
>
> org.apache.hadoop.hbase.regionserver.HRegionServerCommandLine.run(HRegion=
ServerCommandLine.java:85)
> at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:70)
> at
>
> org.apache.hadoop.hbase.util.ServerCommandLine.doMain(ServerCommandLine.j=
ava:126)
> at
>
> org.apache.hadoop.hbase.regionserver.HRegionServer.main(HRegionServer.jav=
a:2403)
> 2015-02-23 03:39:10,240 INFO [Thread-11] regionserver.ShutdownHook:
> Shutdown
> hook starting; hbase.shutdown.hook=3Dtrue;
>
> fsShutdownHook=3Dorg.apache.hadoop.fs.FileSystem$Cache$ClientFinalizer@ab=
de0e7
>
> 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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