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Re: HBase MasterNotRunningException
Then, it might be a issue with port binding. try to do telnet on the port
to which HBase listens from localhost as well as remote machine.
Also, try to run the netstat command and see the bindings of service.

~Anil

On Thu, Aug 30, 2012 at 8:20 AM, Jilani Shaik <[EMAIL PROTECTED]> wrote:

> Anil,
>
> Already I disabled firewall of linux using iptables service.
>
> Thank You,
> Jilani
>
>
> On Thu, Aug 30, 2012 at 8:35 PM, anil gupta <[EMAIL PROTECTED]> wrote:
>
> > Hi Jilani,
> >
> > It seems like a firewall issue. You will need to open appropriate ports
> or
> > disable the firewall on the machine you are running the service.
> >
> > HTH,
> > Anil
> >
> > On Thu, Aug 30, 2012 at 7:46 AM, Jilani Shaik <[EMAIL PROTECTED]>
> > wrote:
> >
> > > I am able to connect to HBase using Java client if the client is on the
> > > same box where Hadoop and HBase are installed. If the client is on
> other
> > > box either windows or linux, I am getting the error as below
> > >
> > > org.apache.zookeeper.server.NIOServerCnxn: Closed socket connection for
> > > client
> > >
> > > Please suggest me how to identify and fix the issue.
> > >
> > > Thank You,
> > > Jilani
> > >
> > > On Thu, Aug 30, 2012 at 7:00 PM, Jilani Shaik <[EMAIL PROTECTED]>
> > > wrote:
> > >
> > > > Hi,
> > > >
> > > > I have installed and configured  Hadoop(hadoop-1.0.3) and
> > > > HBase(hbase-0.94.1) in a single Fedora linux box, where HBase
> > > > as pseudo cluster setup.
> > > >
> > > > I am able to connect the HBase suing shell from console and able to
> > > create
> > > > and scan table. But when I tried to contact the same using java
> > > application
> > > > I am not able to connect the HBase.
> > > >
> > > > Output of "jps" as follows
> > > > 16872 HRegionServer
> > > > 16603 HQuorumPeer
> > > > 15821 DataNode
> > > > 16047 JobTracker
> > > > 16667 HMaster
> > > > 17984 Jps
> > > > 15680 NameNode
> > > > 15959 SecondaryNameNode
> > > > 16179 TaskTracker
> > > >
> > > > The error log for zoo keeper of HBase is as follows
> > > >
> > > > 2012-08-30 18:44:19,231 INFO
> > > > org.apache.zookeeper.server.NIOServerCnxnFactory: Accepted socket
> > > > connection from /192.265.47.219:58357
> > > > 2012-08-30 18:44:19,232 INFO
> > org.apache.zookeeper.server.ZooKeeperServer:
> > > > Client attempting to establish new session at /192.265.47.219:58357
> > > > 2012-08-30 18:44:19,236 INFO
> > org.apache.zookeeper.server.ZooKeeperServer:
> > > > Established session 0x13977a18091000e with negotiated timeout 180000
> > for
> > > > client /192.265.47.219:58357
> > > > 2012-08-30 18:45:16,245 INFO
> > > > org.apache.zookeeper.server.PrepRequestProcessor: Processed session
> > > > termination for sessionid: 0x13977a18091000e
> > > > 2012-08-30 18:45:16,252 INFO
> org.apache.zookeeper.server.NIOServerCnxn:
> > > > Closed socket connection for client /192.265.47.219 :58357 which had
> > > > sessionid 0x13977a18091000e
> > > > 2012-08-30 18:45:16,256 INFO
> > > > org.apache.zookeeper.server.NIOServerCnxnFactory: Accepted socket
> > > > connection from /192.265.47.219:58373
> > > > 2012-08-30 18:45:16,257 INFO
> > org.apache.zookeeper.server.ZooKeeperServer:
> > > > Client attempting to establish new session at /192.265.47.219:58373
> > > > 2012-08-30 18:45:16,264 INFO
> > org.apache.zookeeper.server.ZooKeeperServer:
> > > > Established session 0x13977a18091000f with negotiated timeout 180000
> > for
> > > > client /192.265.47.219:58373
> > > > 2012-08-30 18:46:21,279 INFO
> > > > org.apache.zookeeper.server.PrepRequestProcessor: Processed session
> > > > termination for sessionid: 0x13977a18091000f
> > > > 2012-08-30 18:46:21,286 INFO
> org.apache.zookeeper.server.NIOServerCnxn:
> > > > Closed socket connection for client /192.265.47.219:58373 which had
> > > > sessionid 0x13977a18091000f
> > > > 2012-08-30 18:46:21,291 INFO
> > > > org.apache.zookeeper.server.NIOServerCnxnFactory: Accepted socket
> > > > connection from /192.265.47.219:58391
> > > > 2012-08-30 18:46:21,292 INFO

Thanks & Regards,
Anil Gupta