Have you fellas seen this before? I call close on zookeeper but it insists
on doing the below exceptions.  Why is it doing this 'Session 0x12ad9dccda30002
for server null, unexpected error, closing socket connection and
attempting reconnect'?   This would seem to come after the close has
been noticed and looking in code, i'd think we'd not do this since the
close flag should be set to true post call to close?

Thanks lads  (The below looks ugly in our logs... this is zk 3.3.1),
St.Ack

2010-09-03 16:09:52,369 INFO
org.apache.zookeeper.server.NIOServerCnxn: Closed socket connection
for client /fe80:0:0:0:0:0:0:1%1:56941 which had sessionid
0x12ad9dccda30001
2010-09-03 16:09:52,369 INFO
org.apache.zookeeper.server.NIOServerCnxn: Closed socket connection
for client /127.0.0.1:56942 which had sessionid 0x12ad9dccda30002
2010-09-03 16:09:52,370 INFO org.apache.zookeeper.ClientCnxn: Unable
to read additional data from server sessionid 0x12ad9dccda30001,
likely server has closed socket, closing socket connection and
attempting reconnect
2010-09-03 16:09:52,370 INFO org.apache.zookeeper.ClientCnxn: Unable
to read additional data from server sessionid 0x12ad9dccda30002,
likely server has closed socket, closing socket connection and
attempting reconnect
2010-09-03 16:09:52,370 INFO
org.apache.zookeeper.server.NIOServerCnxn: NIOServerCnxn factory
exited run method
2010-09-03 16:09:52,370 INFO
org.apache.zookeeper.server.PrepRequestProcessor: PrepRequestProcessor
exited loop!
2010-09-03 16:09:52,370 INFO
org.apache.zookeeper.server.SyncRequestProcessor: SyncRequestProcessor
exited!
2010-09-03 16:09:52,370 INFO
org.apache.zookeeper.server.FinalRequestProcessor: shutdown of request
processor complete
2010-09-03 16:09:52,470 DEBUG
org.apache.hadoop.hbase.zookeeper.ZooKeeperWatcher: <localhost:/hbase>
Received ZooKeeper Event, type=None, state=Disconnected, path=null
2010-09-03 16:09:52,470 INFO
org.apache.hadoop.hbase.zookeeper.ZooKeeperWatcher: <localhost:/hbase>
Received Disconnected from ZooKeeper, ignoring
2010-09-03 16:09:52,471 DEBUG
org.apache.hadoop.hbase.zookeeper.ZooKeeperWatcher: <localhost:/hbase>
Received ZooKeeper Event, type=None, state=Disconnected, path=null
2010-09-03 16:09:52,471 INFO
org.apache.hadoop.hbase.zookeeper.ZooKeeperWatcher: <localhost:/hbase>
Received Disconnected from ZooKeeper, ignoring
2010-09-03 16:09:52,857 INFO org.apache.zookeeper.ClientCnxn: Opening
socket connection to server localhost/0:0:0:0:0:0:0:1:2181
2010-09-03 16:09:52,858 WARN org.apache.zookeeper.ClientCnxn: Session
0x12ad9dccda30001 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:574)
   at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1078)
2010-09-03 16:09:53,149 INFO org.apache.zookeeper.ClientCnxn: Opening
socket connection to server localhost/fe80:0:0:0:0:0:0:1%1:2181
2010-09-03 16:09:53,150 WARN org.apache.zookeeper.ClientCnxn: Session
0x12ad9dccda30002 for server null, unexpected error, closing socket
connection and attempting reconnect
java.net.ConnectException: Connection refused
   at sun.nio.ch.SocketChannelImpl.checkConnect(Native Method)
   at sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:574)
   at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1078)
2010-09-03 16:09:53,576 INFO org.apache.zookeeper.ClientCnxn: Opening
socket connection to server localhost/127.0.0.1:2181
2010-09-03 16:09:53,576 WARN org.apache.zookeeper.ClientCnxn: Session
0x12ad9dccda30001 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:574)
   at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1078)
2010-09-03 16:09:54,000 INFO
org.apache.zookeeper.server.SessionTrackerImpl: SessionTrackerImpl
exited loop!
2010-09-03 16:09:54,002 DEBUG
org.apache.hadoop.hbase.client.HConnectionManager$TableServers: Closed
zookeeper sessionid=0x12ad9dccda30001
2010-09-03 16:09:54,129 INFO org.apache.zookeeper.ClientCnxn: Opening
socket connection to server localhost/0:0:0:0:0:0:0:1:2181
2010-09-03 16:09:54,130 WARN org.apache.zookeeper.ClientCnxn: Session
0x12ad9dccda30002 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:574)
   at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1078)
2010-09-03 16:09:54,680 INFO org.apache.zookeeper.ClientCnxn: Opening
socket connection to server localhost/fe80:0:0:0:0:0:0:1%1:2181
2010-09-03 16:09:54,782 INFO org.apache.zookeeper.ZooKeeper: Session:
0x12ad9dccda30001 closed
2010-09-03 16:09:54,883 DEBUG
org.apache.hadoop.hbase.client.HConnectionManager$TableServers: Closed
zookeeper sessionid=0x12ad9dccda30002
2010-09-03 16:09:55,420 INFO org.apache.zookeeper.ClientCnxn: Opening
socket connection to server localhost/127.0.0.1:2181
2010-09-03 16:09:55,522 INFO org.apache.zookeeper.ZooKeeper: Session:
0x12ad9dccda30002 closed

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