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Re: help to fix this issue
Hi,

Are you able to access and perform CRUD operation through HBase shell
properly? If yes, then please remove the 127.0.0.1 i.e localhost entries
from /etc/hosts file across the cluster. Restart the cluster and things
would be fine.
Thanks,
Anil

On Wed, Mar 7, 2012 at 6:42 AM, tousif <[EMAIL PROTECTED]> wrote:

> check your etc/hosts  file..   both localhost and your host might be
> pointing to same.
>
> On Wed, Mar 7, 2012 at 7:50 PM, newbie24 <[EMAIL PROTECTED]> wrote:
>
> >
> > Is there a way to close all the existing connections in hadoop?
> >
> > Please let  me know.
> >
> >
> >
> >
> > newbie24 wrote:
> > >
> > > Hi,
> > >
> > > I'm new to hadoop.
> > >
> > > I'm trying to connect to hbase and accessing these records but I get
> this
> > > issue..
> > >
> > >
> > > 2012-03-06 16:56:03,923 WARN org.apache.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:567)
> > >         at
> > > org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1119)
> > > 2012-03-06 16:56:05,782 INFO org.apache.zookeeper.ClientCnxn: Opening
> > > socket connection to server localhost/127.0.0.1:2181
> > > 2012-03-06 16:56:05,783 WARN org.apache.zookeeper.ClientCnxn: Session
> 0x0
> > > for server null, unexpected error, closing socket connection and
> > > attempting reconnect
> > > java.net.ConnectException: Connection refused
> > >         at sun.nio.ch.SocketChannelImpl.checkConnect(Native Method)
> > >         at
> > > sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:567)
> > >         at
> > > org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1119)
> > > 2012-03-06 16:56:07,569 INFO org.apache.zookeeper.ClientCnxn: Opening
> > > socket connection to server localhost/127.0.0.1:2181
> > > 2012-03-06 16:56:07,570 WARN org.apache.zookeeper.ClientCnxn: Session
> 0x0
> > > for server null, unexpected error, closing socket connection and
> > > attempting reconnect
> > > java.net.ConnectException: Connection refused
> > >
> > > **********************
> > >
> > > When I access base and try to list the entries this is what I see..
> > >
> > >
> > > ERROR: org.apache.hadoop.hbase.ZooKeeperConnectionException: HBase is
> > able
> > > to connect to ZooKeeper but the connection closes immediately. This
> could
> > > be a sign that the server has too many connections (30 is the default).
> > > Consider inspecting your ZK server logs for that error and then make
> sure
> > > you are reusing HBaseConfiguration as often as you can. See HTable's
> > > javadoc for more information.
> > >
> > >
> > > Can someone please help me...
> > >
> > > Thanks
> > >
> >
> > --
> > View this message in context:
> > http://old.nabble.com/help-to-fix-this-issue-tp33457865p33458308.html
> > Sent from the Hadoop core-user mailing list archive at Nabble.com.
> >
> >
>
>
> --
> Regards
> Tousif
> +918050227279
>

--
Thanks & Regards,
Anil Gupta