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From Mahadev Konar <maha...@yahoo-inc.com>
Subject Re: Spew after call to close
Date Sat, 04 Sep 2010 03:36:31 GMT

Hi Stack,
 Looks like you are shutting down the server and shutting down the client at
the same time? Is that the issue?

Thanks
mahadev

On 9/3/10 4:47 PM, "Stack" <stack@duboce.net> wrote:

> 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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