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From "Michael Han (JIRA)" <j...@apache.org>
Subject [jira] [Resolved] (ZOOKEEPER-2319) UnresolvedAddressException cause the QuorumCnxManager.Listener exit
Date Mon, 18 Jun 2018 04:06:00 GMT

     [ https://issues.apache.org/jira/browse/ZOOKEEPER-2319?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Michael Han resolved ZOOKEEPER-2319.
------------------------------------
    Resolution: Fixed
      Assignee: Michael Han

> UnresolvedAddressException cause the QuorumCnxManager.Listener exit
> -------------------------------------------------------------------
>
>                 Key: ZOOKEEPER-2319
>                 URL: https://issues.apache.org/jira/browse/ZOOKEEPER-2319
>             Project: ZooKeeper
>          Issue Type: Bug
>    Affects Versions: 3.4.6
>            Reporter: Zhaohui Yu
>            Assignee: Michael Han
>            Priority: Major
>             Fix For: 3.6.0, 3.5.0, 3.4.7
>
>
> Given three nodes, the leader on 2, but some issue with this machine, so I shutdown this
machine, and change the host name to another machine.
> Then I start the node in the new machine, but the new node can not join.
> I found the the 1 and 3's Listener thread exit.
> With the code of Listener's run method:
> I think we should catch UnresolvedAddressException to avoid the Listener exit.
> {noformat}
> @Override
>         public void run() {
>            
>             while((!shutdown) && (numRetries < 3)){
>                 try {
>                    // bind and accept
>                         receiveConnection(client);
>                   
>                 } catch (IOException e) {
>                     
>                 }
>             }
>             //
>         }
> {noformat}



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