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https://issues.apache.org/jira/browse/ZOOKEEPER-696?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12843835#action_12843835
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Flavio Paiva Junqueira commented on ZOOKEEPER-696:
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+1, it looks good to me.
> NPE in the hudson logs, seems nioservercnxn closed twice
> --------------------------------------------------------
>
> Key: ZOOKEEPER-696
> URL: https://issues.apache.org/jira/browse/ZOOKEEPER-696
> Project: Zookeeper
> Issue Type: Bug
> Components: server
> Reporter: Patrick Hunt
> Assignee: Patrick Hunt
> Priority: Blocker
> Fix For: 3.3.0
>
> Attachments: ZOOKEEPER-696.patch
>
>
> seeing the following on the console for
> http://hudson.zones.apache.org/hudson/view/ZooKeeper/job/ZooKeeper-trunk/729/
> looks like the cnxn is closed twice? (the second time 'sock' is null).
> perhaps it's due to client closing and sending session term, then closing
> socket, server sees the read return -1, so closes cnxn, then sees the session
> close request (which was queued)?
> [junit] 2010-03-10 03:15:53,205 - INFO [main:nioserverc...@1232] -
> Closed socket connection for client /127.0.0.1:41285 which had sessionid
> 0x127461233fc0000
> [junit] 2010-03-10 03:15:53,206 - WARN
> [NIOServerCxn.Factory:0.0.0.0/0.0.0.0:11221:nioservercnxn$fact...@269] -
> Ignoring unexpected runtime exception
> [junit] java.lang.NullPointerException
> [junit] at
> org.apache.zookeeper.server.NIOServerCnxn.close(NIOServerCnxn.java:1232)
> [junit] at
> org.apache.zookeeper.server.NIOServerCnxn.doIO(NIOServerCnxn.java:594)
> [junit] at
> org.apache.zookeeper.server.NIOServerCnxn$Factory.run(NIOServerCnxn.java:259)
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