[jira] [Assigned] (ZOOKEEPER-1683) ZooKeeper client NPE when updating server list on disconnected client

["Alexander Shraer (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/ZOOKEEPER-1683?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Alexander Shraer reassigned ZOOKEEPER-1683:
-------------------------------------------

    Assignee: Alexander Shraer
    
> ZooKeeper client NPE when updating server list on disconnected client
> ---------------------------------------------------------------------
>
>                 Key: ZOOKEEPER-1683
>                 URL: https://issues.apache.org/jira/browse/ZOOKEEPER-1683
>             Project: ZooKeeper
>          Issue Type: Bug
>            Reporter: Shevek
>            Assignee: Alexander Shraer
>
> 2013-04-04 22:16:15,872 ERROR [pool-4-thread-1] com.netflix.curator.ConnectionState.getZooKeeper (ConnectionState.java:84) - Background exception caught
> java.lang.NullPointerException
>         at org.apache.zookeeper.client.StaticHostProvider.updateServerList(StaticHostProvider.java:161) ~[zookeeper-3.5.0.jar:3.5.0--1]
>         at org.apache.zookeeper.ZooKeeper.updateServerList(ZooKeeper.java:183) ~[zookeeper-3.5.0.jar:3.5.0--1]
>         at com.netflix.curator.HandleHolder$1$1.setConnectionString(HandleHolder.java:121) ~[curator-client-1.3.5-SNAPSHOT.jar:?]
> The duff code is this:
> ClientCnxnSocket clientCnxnSocket = cnxn.sendThread.getClientCnxnSocket();
> InetSocketAddress currentHost = (InetSocketAddress) clientCnxnSocket.getRemoteSocketAddress();
> boolean reconfigMode = hostProvider.updateServerList(serverAddresses, currentHost);
> Now, currentHost might be null, if we're not yet connected. But StaticHostProvider.updateServerList indirects on it unconditionally.
> This would be caught by findbugs.

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