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From Subir S <subir.sasiku...@gmail.com>
Subject Re: help to fix this issue
Date Thu, 08 Mar 2012 05:54:25 GMT
Did this work for you @newbie?

On Wed, Mar 7, 2012 at 10:21 PM, anil gupta <anilgupt@buffalo.edu> wrote:

> 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 <tousif@moonraft.com> 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 <shripriyad@hotmail.com> 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
>

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