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Hadoop, mail # user - HBase MasterNotRunningException


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Re: HBase MasterNotRunningException
anil gupta 2012-08-30, 15:05
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 org.apache.zookeeper.server.ZooKeeperServer:
> > Client attempting to establish new session at /192.265.47.219:58391
> > 2012-08-30 18:46:21,298 INFO org.apache.zookeeper.server.ZooKeeperServer:
> > Established session 0x13977a180910010 with negotiated timeout 180000 for
> > client /192.265.47.219:58391
> > 2012-08-30 18:46:53,302 INFO
> > org.apache.zookeeper.server.PrepRequestProcessor: Processed session
> > termination for sessionid: 0x13977a180910010
> > 2012-08-30 18:46:53,309 INFO org.apache.zookeeper.server.NIOServerCnxn:
> > Closed socket connection for client /192.265.47.219:58391 which had
> > sessionid 0x13977a180910010
> >
> >
> > Below is the exception from java program
> >
> > Aug 30, 2012 6:45:13 PM org.apache.zookeeper.ZooKeeper close
> > INFO: Session: 0x13977a18091000e closed
> > Aug 30, 2012 6:45:13 PM org.apache.zookeeper.ClientCnxn$EventThread run

Thanks & Regards,
Anil Gupta