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https://issues.apache.org/jira/browse/ZOOKEEPER-1480?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Leader Ni updated ZOOKEEPER-1480:
---------------------------------

    Description: 
   When zookeeper occur an unexpected error( Not SessionExpiredException, 
SessionTimeoutException and EndOfStreamException), ClientCnxn(1161) will log 
such as the formart "Session 0x for server null, unexpected error, closing 
socket connection and attempting reconnect ". The log at line 1161 in 
zookeeper-3.3.3
   We found that, zookeeper use 
"((SocketChannel)sockKey.channel()).socket().getRemoteSocketAddress()" to get 
zookeeper addr. But,Sometimes, it logs "Session 0x for server null", you know, 
if log null, developer can't determine the current zookeeper addr that client 
is connected or connecting.
   I add a method in Class SendThread:InetSocketAddress 
org.apache.zookeeper.ClientCnxn.SendThread.getCurrentZooKeeperAddr().



  was:
   When zookeeper occur an unexpected error( Not SessionExpiredException, 
SessionTimeoutException and EndOfStreamException), ClientCnxn(1161) will log 
such as the formart "Session 0x for server null, unexpected error, closing 
socket connection and attempting reconnect ". The log at line 1161 in 
zookeeper-3.3.3
   We found that, sometimes, it logs "Session 0x for server null", you know, if 
log null, developer can't determine the current zookeeper addr that client is 
connected or connecting.
   I add a method in Class SendThread:InetSocketAddress 
org.apache.zookeeper.ClientCnxn.SendThread.getCurrentZooKeeperAddr().



    
> ClientCnxn(1161) can't get the current zk server add, so that - Session 0x 
> for server null, unexpected error
> ------------------------------------------------------------------------------------------------------------
>
>                 Key: ZOOKEEPER-1480
>                 URL: https://issues.apache.org/jira/browse/ZOOKEEPER-1480
>             Project: ZooKeeper
>          Issue Type: Bug
>          Components: java client
>    Affects Versions: 3.3.3
>            Reporter: Leader Ni
>            Assignee: Leader Ni
>              Labels: client, getCurrentZooKeeperAddr
>             Fix For: 3.3.6
>
>
>    When zookeeper occur an unexpected error( Not SessionExpiredException, 
> SessionTimeoutException and EndOfStreamException), ClientCnxn(1161) will log 
> such as the formart "Session 0x for server null, unexpected error, closing 
> socket connection and attempting reconnect ". The log at line 1161 in 
> zookeeper-3.3.3
>    We found that, zookeeper use 
> "((SocketChannel)sockKey.channel()).socket().getRemoteSocketAddress()" to get 
> zookeeper addr. But,Sometimes, it logs "Session 0x for server null", you 
> know, if log null, developer can't determine the current zookeeper addr that 
> client is connected or connecting.
>    I add a method in Class SendThread:InetSocketAddress 
> org.apache.zookeeper.ClientCnxn.SendThread.getCurrentZooKeeperAddr().

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