Home | About | Sematext search-lucene.com search-hadoop.com
 Search Hadoop and all its subprojects:

Switch to Threaded View
Hadoop >> mail # user >> HBase MasterNotRunningException


Copy link to this message
-
Re: HBase MasterNotRunningException
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
> 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
> >