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 <[email protected]>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) >
