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Posted to dev@zookeeper.apache.org by "Patrick Hunt (JIRA)" <ji...@apache.org> on 2010/03/10 19:55:27 UTC
[jira] Updated: (ZOOKEEPER-696) NPE in the hudson logs, seems
nioservercnxn closed twice
[ https://issues.apache.org/jira/browse/ZOOKEEPER-696?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Patrick Hunt updated ZOOKEEPER-696:
-----------------------------------
Assignee: Patrick Hunt
Looks like the issue is that in the tests we are both shutting down the clients and also shutting down the server. As a result in some cases the socket is nulled by one/other of the close calls while the other close call then sees a null for the sock and NPEs. I'll work on a patch.
> 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
>
>
> 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:NIOServerCnxn@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$Factory@269] - Ignoring unexpected runtime exception
> [junit] java.lang.NullPointerException
> [junit] at org.apache.zookeeper.server.NIOServerCnxn.close(NIOServerCnxn.java:1232)
> [junit] at org.apache.zookeeper.server.NIOServerCnxn.doIO(NIOServerCnxn.java:594)
> [junit] at org.apache.zookeeper.server.NIOServerCnxn$Factory.run(NIOServerCnxn.java:259)
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