Nallapati T Krishna created HBASE-8168:
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Summary: HMaster is not Running.
Key: HBASE-8168
URL: https://issues.apache.org/jira/browse/HBASE-8168
Project: HBase
Issue Type: Bug
Components: shell
Affects Versions: 0.94.4
Environment: Ubuntu 12.4
Reporter: Nallapati T Krishna
Fix For: 0.94.4
When I used to start Hbase, for the first time Hmaster is running. If i type
JPS for second consecutive time, Hmaster is not working. It is showing some
thing like the below.
rg.apache.zookeeper.ClientCnxn: Opening socket connection to server
ubuntu-1/172.16.78.122:2222. Will not attempt to authenticate using SASL
(unknown error)
2013-03-20 22:04:33,491 INFO org.apache.zookeeper.ClientCnxn: Socket
connection established to ubuntu-1/172.16.78.122:2222, initiating session
2013-03-20 22:04:33,492 INFO org.apache.zookeeper.ClientCnxn: Unable to read
additional data from server sessionid 0x0, likely server has closed socket,
closing socket connection and attempting reconnect
2013-03-20 22:04:33,592 WARN
org.apache.hadoop.hbase.zookeeper.RecoverableZooKeeper: Possibly transient
ZooKeeper exception:
org.apache.zookeeper.KeeperException$ConnectionLossException: KeeperErrorCode =
ConnectionLoss for /hbase
2013-03-20 22:04:33,593 INFO org.apache.hadoop.hbase.util.RetryCounter:
Sleeping 4000ms before retry #2...
2013-03-20 22:04:33,760 INFO org.apache.zookeeper.ClientCnxn: Opening socket
connection to server CLBBLR-6196/172.16.78.91:2222. Will not attempt to
authenticate using SASL (unknown error)
2013-03-20 22:04:33,760 INFO org.apache.zookeeper.ClientCnxn: Socket
connection established to CLBBLR-6196/172.16.78.91:2222, initiating session
2013-03-20 22:04:33,761 INFO org.apache.zookeeper.ClientCnxn: Unable to read
additional data from server sessionid 0x0, likely server has closed socket,
closing socket connection and attempting reconnect
2013-03-20 22:04:34,840 INFO org.apache.zookeeper.ClientCnxn: Opening socket
connection to server CLBBLR-6176/172.16.78.136:2222. Will not attempt to
authenticate using SASL (unknown error)
2013-03-20 22:04:34,840 INFO org.apache.zookeeper.ClientCnxn: Socket
connection established to CLBBLR-6176/172.16.78.136:2222, initiating session
2013-03-20 22:04:34,841 INFO org.apache.zookeeper.ClientCnxn: Unable to read
additional data from server sessionid 0x0, likely server has closed socket,
closing socket connection and attempting reconnect
2013-03-20 22:04:36,026 INFO org.apache.zookeeper.ClientCnxn: Opening socket
connection to server ubuntu-1/172.16.78.122:2222. Will not attempt to
authenticate using SASL (unknown error)
2013-03-20 22:04:36,027 INFO org.apache.zookeeper.ClientCnxn: Socket
connection established to ubuntu-1/172.16.78.122:2222, initiating session
2013-03-20 22:04:36,028 INFO org.apache.zookeeper.ClientCnxn: Unable to read
additional data from server sessionid 0x0, likely server has closed socket,
closing socket connection and attempting reconnect
2013-03-20 22:04:36,570 INFO org.apache.zookeeper.ClientCnxn: Opening socket
connection to server CLBBLR-6196/172.16.78.91:2222. Will not attempt to
authenticate using SASL (unknown error)
2013-03-20 22:04:36,571 INFO org.apache.zookeeper.ClientCnxn: Socket
connection established to CLBBLR-6196/172.16.78.91:2222, initiating session
2013-03-20 22:04:36,572 INFO org.apache.zookeeper.ClientCnxn: Unable to read
additional data from server sessionid 0x0, likely server has closed socket,
closing socket connection and attempting reconnect
2013-03-20 22:04:37,505 INFO org.apache.zookeeper.ClientCnxn: Op
As discussed.Hbase is starting properly without any issue. When we are trying
to list the tables in Hbase or create the table, HMaster is not running.
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