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Posted to dev@zookeeper.apache.org by "james strachan (JIRA)" <ji...@apache.org> on 2008/07/23 18:50:31 UTC
[jira] Updated: (ZOOKEEPER-63) Race condition in client close()
operation
[ https://issues.apache.org/jira/browse/ZOOKEEPER-63?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
james strachan updated ZOOKEEPER-63:
------------------------------------
Status: Patch Available (was: Open)
about to attach a patch
> Race condition in client close() operation
> ------------------------------------------
>
> Key: ZOOKEEPER-63
> URL: https://issues.apache.org/jira/browse/ZOOKEEPER-63
> Project: Zookeeper
> Issue Type: Bug
> Components: java client
> Reporter: Patrick Hunt
> Assignee: Benjamin Reed
> Attachments: patch_ZOOKEEPER-63.patch
>
>
> There is a race condition in the java close operation on ZooKeeper.java.
> Client is sending a disconnect request to the server. Server will close any open connections with the client when it receives this. If the client has not yet shutdown it's subthreads (event/send threads for example) these threads may consider the condition an error. We see this alot in the tests where the clients output error logs because they are unaware that a disconnection has been requested by the client.
> Ben mentioned: perhaps we just have to change state to closed (on client) before sending disconnect request.
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