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HBase >> mail # user >> regionserver restart ERROR


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regionserver restart ERROR
HI all,
       we stop and start regionserver with 'bin/hbase-daemon.sh stop &
bin/hbase-daemon.sh start',  the regionserver seems come up,
       but it no request was accecpted.
       and we use 'banlande-switch true',  not works.

       how to make this regionserver work normal?
       seem there is some problem about zookeeper of this server, below is
zookeeper.out:

          (ip addr for this server is 192.168.250.108, while
192.168.250.106 is another node in this cluster).

2012-12-31 23:24:15,402 [myid:3] - INFO  [NIOServerCxn.Factory:
0.0.0.0/0.0.0.0:2181:NIOServerCnxn@1000] - Closed socket connection for
client /192.168.250.106:38950 which had sessionid 0x33be7062e140389
2012-12-31 23:26:08,738 [myid:3] - INFO  [NIOServerCxn.Factory:
0.0.0.0/0.0.0.0:2181:NIOServerCnxnFactory@202] - Accepted socket connection
from /192.168.250.106:39261
2012-12-31 23:26:08,739 [myid:3] - INFO  [NIOServerCxn.Factory:
0.0.0.0/0.0.0.0:2181:ZooKeeperServer@824] - Client attempting to renew
session 0x23be99906db0342 at /192.168.250.106:39261
2012-12-31 23:26:08,739 [myid:3] - INFO  [NIOServerCxn.Factory:
0.0.0.0/0.0.0.0:2181:Learner@107] - Revalidating client: 0x23be99906db0342
2012-12-31 23:26:08,741 [myid:3] - INFO  [QuorumPeer[myid=3]/0.0.0.0:2181
:ZooKeeperServer@595] - Established session 0x23be99906db0342 with
negotiated timeout 40000 for client /192.168.250.106:39261
2012-12-31 23:30:00,051 [myid:3] - INFO
[CommitProcessor:3:NIOServerCnxn@1000] - Closed socket connection for
client /192.168.250.106:39261 which had sessionid 0x23be99906db0342
2012-12-31 23:30:10,544 [myid:3] - INFO  [NIOServerCxn.Factory:
0.0.0.0/0.0.0.0:2181:NIOServerCnxnFactory@202] - Accepted socket connection
from /192.168.250.106:53185
2012-12-31 23:30:10,545 [myid:3] - INFO  [NIOServerCxn.Factory:
0.0.0.0/0.0.0.0:2181:ZooKeeperServer@831] - Client attempting to establish
new session at /192.168.250.106:53185
2012-12-31 23:30:10,566 [myid:3] - INFO
[CommitProcessor:3:ZooKeeperServer@595] - Established session
0x33be7062e14038a with negotiated timeout 40000 for client /
192.168.250.106:53185
2012-12-31 23:34:06,051 [myid:3] - INFO
[CommitProcessor:3:NIOServerCnxn@1000] - Closed socket connection for
client /192.168.250.106:53185 which had sessionid 0x33be7062e14038a
          please give me some advice.

many Thanks!
beatls.