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From gaurhari dass <gaurharid...@gmail.com>
Subject Re: Please help me how and when to catch java.net.ConnectException in case hbase is not running as it goes on connecting with hbase
Date Thu, 28 Mar 2013 10:26:35 GMT
I am using hbase .94.5 version ,I havent mentioned in class path

On Thu, Mar 28, 2013 at 5:01 AM, Ted Yu <yuzhihong@gmail.com> wrote:

> bq. org.apache.hadoop.hbase.zookeeper.RecoverableZooKeeper.exists(
> RecoverableZooKeeper.java:172)
>
> The exception showed problem connecting to zookeeper.
> Is hbase-site.xml on the classpath of your app ?
>
> If so, please check (and pastebin) zookeeper log.
>
> Providing HBase version would be useful as well.
>
> On Tue, Mar 26, 2013 at 12:24 AM, gaurhari dass <gaurharidass@gmail.com
> >wrote:
>
> > 13/03/26 12:46:14 WARN 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:592)
> >     at
> >
> >
> org.apache.zookeeper.ClientCnxnSocketNIO.doTransport(ClientCnxnSocketNIO.java:350)
> >     at
> org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1068)
> > 13/03/26 12:46:16 INFO zookeeper.ClientCnxn: Opening socket connection to
> > server localhost/127.0.0.1:2181. Will not attempt to authenticate using
> > SASL (unknown error)
> > 13/03/26 12:46:16 WARN zookeeper.ClientCnxn: Session 0x0 for server null,
> > unexpected error, closing socket connection and attempting reconnect
> > java.net.ConnectException: Connection refused
> >     at sun.nio.ch.SocketChannelImpl.checkConnect(Native Method)
> >     at
> > sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:592)
> >     at
> >
> >
> org.apache.zookeeper.ClientCnxnSocketNIO.doTransport(ClientCnxnSocketNIO.java:350)
> >     at
> org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1068)
> > 13/03/26 12:46:17 INFO zookeeper.ClientCnxn: Opening socket connection to
> > server localhost/127.0.0.1:2181. Will not attempt to authenticate using
> > SASL (unknown error)
> > 13/03/26 12:46:17 WARN 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:592)
> >     at
> >
> >
> org.apache.zookeeper.ClientCnxnSocketNIO.doTransport(ClientCnxnSocketNIO.java:350)
> >     at
> org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1068)
> > 13/03/26 12:46:18 INFO zookeeper.ClientCnxn: Opening socket connection to
> > server localhost/127.0.0.1:2181. Will not attempt to authenticate using
> > SASL (unknown error)
> > 13/03/26 12:46:18 WARN zookeeper.ClientCnxn: Session 0x0 for server null,
> > unexpected error, closing socket connection and attempting reconnect
> > java.net.ConnectException: Connection refused
> >     at sun.nio.ch.SocketChannelImpl.checkConnect(Native Method)
> >     at
> > sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:592)
> >     at
> >
> >
> org.apache.zookeeper.ClientCnxnSocketNIO.doTransport(ClientCnxnSocketNIO.java:350)
> >     at
> org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1068)
> > 13/03/26 12:46:19 INFO zookeeper.ClientCnxn: Opening socket connection to
> > server localhost/127.0.0.1:2181. Will not attempt to authenticate using
> > SASL (unknown error)
> > 13/03/26 12:46:19 WARN 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:592)
> >     at
> >
> >
> org.apache.zookeeper.ClientCnxnSocketNIO.doTransport(ClientCnxnSocketNIO.java:350)
> >     at
> org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1068)
> > 13/03/26 12:46:20 INFO zookeeper.ClientCnxn: Opening socket connection to
> > server localhost/127.0.0.1:2181. Will not attempt to authenticate using
> > SASL (unknown error)
> > 13/03/26 12:46:20 WARN zookeeper.ClientCnxn: Session 0x0 for server null,
> > unexpected error, closing socket connection and attempting reconnect
> > java.net.ConnectException: Connection refused
> >     at sun.nio.ch.SocketChannelImpl.checkConnect(Native Method)
> >     at
> > sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:592)
> >     at
> >
> >
> org.apache.zookeeper.ClientCnxnSocketNIO.doTransport(ClientCnxnSocketNIO.java:350)
> >     at
> org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1068)
> > 13/03/26 12:46:21 INFO zookeeper.ClientCnxn: Opening socket connection to
> > server localhost/127.0.0.1:2181. Will not attempt to authenticate using
> > SASL (unknown error)
> > 13/03/26 12:46:21 WARN 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:592)
> >     at
> >
> >
> org.apache.zookeeper.ClientCnxnSocketNIO.doTransport(ClientCnxnSocketNIO.java:350)
> >     at
> org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1068)
> > 13/03/26 12:46:22 INFO zookeeper.ClientCnxn: Opening socket connection to
> > server localhost/127.0.0.1:2181. Will not attempt to authenticate using
> > SASL (unknown error)
> > 13/03/26 12:46:22 WARN zookeeper.ClientCnxn: Session 0x0 for server null,
> > unexpected error, closing socket connection and attempting reconnect
> > java.net.ConnectException: Connection refused
> >     at sun.nio.ch.SocketChannelImpl.checkConnect(Native Method)
> >     at
> > sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:592)
> >     at
> >
> >
> org.apache.zookeeper.ClientCnxnSocketNIO.doTransport(ClientCnxnSocketNIO.java:350)
> >     at
> org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1068)
> > 13/03/26 12:46:22 WARN zookeeper.RecoverableZooKeeper: Possibly transient
> > ZooKeeper exception:
> > org.apache.zookeeper.KeeperException$ConnectionLossException:
> > KeeperErrorCode = ConnectionLoss for /hbase/hbaseid
> > 13/03/26 12:46:22 ERROR zookeeper.RecoverableZooKeeper: ZooKeeper exists
> > failed after 3 retries
> > 13/03/26 12:46:22 WARN zookeeper.ZKUtil: hconnection Unable to set
> watcher
> > on znode (/hbase/hbaseid)
> > org.apache.zookeeper.KeeperException$ConnectionLossException:
> > KeeperErrorCode = ConnectionLoss for /hbase/hbaseid
> >     at
> org.apache.zookeeper.KeeperException.create(KeeperException.java:99)
> >     at
> org.apache.zookeeper.KeeperException.create(KeeperException.java:51)
> >     at org.apache.zookeeper.ZooKeeper.exists(ZooKeeper.java:1041)
> >     at
> >
> >
> org.apache.hadoop.hbase.zookeeper.RecoverableZooKeeper.exists(RecoverableZooKeeper.java:172)
> >     at
> > org.apache.hadoop.hbase.zookeeper.ZKUtil.checkExists(ZKUtil.java:450)
> >     at
> >
> >
> org.apache.hadoop.hbase.zookeeper.ClusterId.readClusterIdZNode(ClusterId.java:61)
> >     at
> org.apache.hadoop.hbase.zookeeper.ClusterId.getId(ClusterId.java:50)
> >     at
> org.apache.hadoop.hbase.zookeeper.ClusterId.hasId(ClusterId.java:44)
> >     at
> >
> >
> org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation.ensureZookeeperTrackers(HConnectionManager.java:615)
> >     at
> >
> >
> org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation.getMaster(HConnectionManager.java:684)
> >     at
> > org.apache.hadoop.hbase.client.HBaseAdmin.<init>(HBaseAdmin.java:116)
> >     at
> >
> >
> org.apache.hadoop.hbase.client.HBaseAdmin.checkHBaseAvailable(HBaseAdmin.java:1750)
> >     at org.samsung.cloud.dao.HB_Crud.<init>(HB_Crud.java:40)
> >     at org.samsung.cloud.dao.HB_Read.<init>(HB_Read.java:49)
> >     at org.samsung.cloud.rest.HB_Rest.getData(HB_Rest.java:46)
> >     at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> >
>

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