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From Mohammad Tariq <donta...@gmail.com>
Subject Re: HBase Support
Date Fri, 10 May 2013 13:31:04 GMT
Hello Raju,

      ZK logs should be there  at the same place as HMaster logs.

Warm Regards,
Tariq
cloudfront.blogspot.com


On Fri, May 10, 2013 at 5:24 PM, naga raju <rajumuddana@gmail.com> wrote:

> Thanks Tariq,
>
> I am Using hbase-0.92.1,
>
> This is some part of Hbase Master log file:
>
> 13/05/10 14:22:22 INFO zookeeper.ZooKeeper: Client
>
> environment:java.library.path=/home/imadas/softs/hbase-0.92.1/bin/../lib/native/Linux-i386-32
> 13/05/10 14:22:22 INFO zookeeper.ZooKeeper: Client
> environment:java.io.tmpdir=/tmp
> 13/05/10 14:22:22 INFO zookeeper.ZooKeeper: Client
> environment:java.compiler=<NA>
> 13/05/10 14:22:22 INFO zookeeper.ZooKeeper: Client environment:os.name
> =Linux
> 13/05/10 14:22:22 INFO zookeeper.ZooKeeper: Client environment:os.arch=i386
> 13/05/10 14:22:22 INFO zookeeper.ZooKeeper: Client
> environment:os.version=2.6.32-220.el6.i686
> 13/05/10 14:22:22 INFO zookeeper.ZooKeeper: Client environment:user.name
> =imadas
> 13/05/10 14:22:22 INFO zookeeper.ZooKeeper: Client
> environment:user.home=/home/imadas
> 13/05/10 14:22:22 INFO zookeeper.ZooKeeper: Client
> environment:user.dir=/home/imadas/softs/hbase-0.92.1
> 13/05/10 14:22:22 INFO zookeeper.ZooKeeper: Initiating client connection,
> connectString=127.0.0.1:2181 sessionTimeout=180000 watcher=hconnection
> 13/05/10 14:22:22 INFO zookeeper.ClientCnxn: Opening socket connection to
> server /127.0.0.1:2181
> 13/05/10 14:22:22 INFO zookeeper.RecoverableZooKeeper: The identifier of
> this process is 3145@localhost.localdomain
> 13/05/10 14:22:22 WARN client.ZooKeeperSaslClient: SecurityException:
> java.lang.SecurityException: Unable to locate a login configuration
> occurred when trying to find JAAS configuration.
> 13/05/10 14:22:22 INFO client.ZooKeeperSaslClient: Client will not
> SASL-authenticate because the default JAAS configuration section 'Client'
> could not be found. If you are not using SASL, you may ignore this. On the
> other hand, if you expected SASL to work, please fix your JAAS
> configuration.
> 13/05/10 14:22:22 INFO zookeeper.ClientCnxn: Socket connection established
> to localhost.localdomain/127.0.0.1:2181, initiating session
> 13/05/10 14:22:22 INFO zookeeper.ClientCnxn: Session establishment complete
> on server localhost.localdomain/127.0.0.1:2181, sessionid =
> 0x13e8d9972b00004, negotiated timeout = 40000
>
>
>
> and kindly Tell me Where I can Found Zookeeper logs.
>
> Thanks & Regards.
> Raju.
>
>
> On Fri, May 10, 2013 at 4:14 PM, Mohammad Tariq <dontariq@gmail.com>
> wrote:
>
> > Hello Raju,
> >
> >       This means that there is some problem with the connection between
> > HMaster and ZK. Make sure all your Hbase daemons are running fine. Which
> > version are you using?Also showing complete HMaster and ZK logs would be
> > helpful.
> >
> > Warm Regards,
> > Tariq
> > cloudfront.blogspot.com
> >
> >
> > On Fri, May 10, 2013 at 11:54 AM, naga raju <rajumuddana@gmail.com>
> wrote:
> >
> > > ya I have checked Logs ,in those logs i found ..
> > >
> > >
> > > WARN client.ZooKeeperSaslClient: SecurityException:
> > > java.lang.SecurityException: Unable to locate a login configuration
> > > occurred when trying to find JAAS configuration.
> > >
> > > lient.ZooKeeperSaslClient: Client will not SASL-authenticate because
> the
> > > default JAAS configuration section 'Client' could not be found. If you
> > are
> > > not using SASL, you may ignore this. On the other hand, if you expected
> > > SASL to work, please fix your JAAS configuration.
> > >
> > > WARN zookeeper.ClientCnxn: Session 0x0 for server null, unexpected
> error,
> > > closing socket connection and attempting reconnect
> > > java.net.ConnectException: Connection refused
> > >     at sun.nio.ch.SocketChannelImpl.checkConnect(Native Method)
> > >     at
> > > sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:574)
> > >     at
> > >
> > >
> >
> org.apache.zookeeper.ClientCnxnSocketNIO.doTransport(ClientCnxnSocketNIO.java:286)
> > >     at
> > org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1035)
> > >
> > > WARN zookeeper.RecoverableZooKeeper: Possibly transient ZooKeeper
> > > exception:
> org.apache.zookeeper.KeeperException$ConnectionLossException:
> > > KeeperErrorCode = ConnectionLoss for /hbase/master
> > >
> > > What this means?
> > >
> > > Thanks & Regards.
> > > Raju.
> > >
> > >
> > > On Fri, May 10, 2013 at 11:37 AM, Amandeep Khurana <amansk@gmail.com>
> > > wrote:
> > >
> > > > Look at your HBase logs. They will be in the $HBASE_HOME/logs
> > directory.
> > > > That might give some insight into what's going on.
> > > >
> > > >
> > > > On Thu, May 9, 2013 at 10:42 PM, naga raju <rajumuddana@gmail.com>
> > > wrote:
> > > >
> > > > > Thanks for your Guidance  Amandeep,
> > > > >
> > > > > I can re-start my application and which logs i have to check.
> > > > >
> > > > > Thank & Regards
> > > > > Raju.
> > > > >
> > > > >
> > > > > On Fri, May 10, 2013 at 11:07 AM, Amandeep Khurana <
> amansk@gmail.com
> > >
> > > > > wrote:
> > > > >
> > > > > > Can you tell what the logs are saying? Did you try to restart
> your
> > > > > > application?
> > > > > >
> > > > > >
> > > > > > On Thu, May 9, 2013 at 10:36 PM, naga raju <
> rajumuddana@gmail.com>
> > > > > wrote:
> > > > > >
> > > > > > > Thanks for the Reply Amandeep,
> > > > > > >
> > > > > > > I can access the web UI.
> > > > > > >
> > > > > > >
> > > > > > > On Fri, May 10, 2013 at 10:52 AM, Amandeep Khurana <
> > > amansk@gmail.com
> > > > >
> > > > > > > wrote:
> > > > > > >
> > > > > > > > What do the HBase logs say? Can you access the web
UI?
> > > > > > > >
> > > > > > > >
> > > > > > > > On Thu, May 9, 2013 at 9:57 PM, naga raju <
> > rajumuddana@gmail.com
> > > >
> > > > > > wrote:
> > > > > > > >
> > > > > > > > > I am running hbase on same(single) system which
i am using
> to
> > > > > > > > development.
> > > > > > > > >
> > > > > > > > >
> > > > > > > > > On Fri, May 10, 2013 at 6:19 AM, Amandeep Khurana
<
> > > > > amansk@gmail.com>
> > > > > > > > > wrote:
> > > > > > > > >
> > > > > > > > > > Are you running HBase on your local development
box or on
> > > some
> > > > > > server
> > > > > > > > > > outside and trying to connect to it from
your dev box?
> > > > > > > > > >
> > > > > > > > > >
> > > > > > > > > > On Thu, May 9, 2013 at 6:36 AM, raju <
> > rajumuddana@gmail.com>
> > > > > > wrote:
> > > > > > > > > >
> > > > > > > > > > > Hi all,
> > > > > > > > > > >
> > > > > > > > > > >   I am New to Hbase(Hadoop), and i
am working on hbase
> > with
> > > > > > > > standalone
> > > > > > > > > > > mode.My application running well for
some time, after
> > that
> > > it
> > > > > > > > displays
> > > > > > > > > > >
> > > > > > > > > > > INFO zookeeper.ClientCnxn: Client session
timed out,
> have
> > > not
> > > > > > heard
> > > > > > > > > from
> > > > > > > > > > > server in 29946ms for sessionid 0x13e88be25cc0004,
> > closing
> > > > > socket
> > > > > > > > > > > connection
> > > > > > > > > > > and attempting reconnect
> > > > > > > > > > > .....
> > > > > > > > > > > .....
> > > > > > > > > > >
> > > > > > > > > > > and continuing this message.Then my
application will
> not
> > > > > > > communicate
> > > > > > > > > with
> > > > > > > > > > > hbase.
> > > > > > > > > > >
> > > > > > > > > > > I have Searched in net,but could not
found any stuff to
> > > > resolve
> > > > > > > this
> > > > > > > > > > > issue.Please guide me.
> > > > > > > > > > > I want to know...
> > > > > > > > > > >
> > > > > > > > > > > 1.what are the causes of  Client session
timed out.(and
> > > > client
> > > > > > > > session
> > > > > > > > > > > scenario)
> > > > > > > > > > >
> > > > > > > > > > > 2.How zookeeper and master and client
will communicate
> in
> > > > > > > standalone
> > > > > > > > > mode
> > > > > > > > > > > as
> > > > > > > > > > > well as in distributed mode.
> > > > > > > > > > >
> > > > > > > > > > > 3.If there are any configurations to
modify please let
> me
> > > > know.
> > > > > > > > > > >
> > > > > > > > > > > Thanks & Regards.
> > > > > > > > > > > raju.
> > > > > > > > > > >
> > > > > > > > > > >
> > > > > > > > > >
> > > > > > > > >
> > > > > > > >
> > > > > > >
> > > > > >
> > > > >
> > > >
> > >
> >
>

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