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From "Benjamin Reed (JIRA)" <j...@apache.org>
Subject [jira] Updated: (ZOOKEEPER-794) Callbacks are not invoked when the client is closed
Date Fri, 09 Jul 2010 23:48:50 GMT

     [ https://issues.apache.org/jira/browse/ZOOKEEPER-794?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Benjamin Reed updated ZOOKEEPER-794:
------------------------------------

    Attachment: ZOOKEEPER-794_2.patch

i've added a test case and i think i've addressed the race condition. alexis can you check
it out. the only change to your code was to make waskilled volatile and move where it was
set.

> Callbacks are not invoked when the client is closed
> ---------------------------------------------------
>
>                 Key: ZOOKEEPER-794
>                 URL: https://issues.apache.org/jira/browse/ZOOKEEPER-794
>             Project: Zookeeper
>          Issue Type: Bug
>          Components: java client
>    Affects Versions: 3.3.1
>            Reporter: Alexis Midon
>            Assignee: Alexis Midon
>             Fix For: 3.3.2, 3.4.0
>
>         Attachments: ZOOKEEPER-794.patch.txt, ZOOKEEPER-794.txt, ZOOKEEPER-794_2.patch
>
>
> I noticed that ZooKeeper has different behaviors when calling synchronous or asynchronous
actions on a closed ZooKeeper client.
> Actually a synchronous call will throw a "session expired" exception while an asynchronous
call will do nothing. No exception, no callback invocation.
> Actually, even if the EventThread receives the Packet with the session expired err code,
the packet is never processed since the thread has been killed by the ventOfDeath. So the
call back is not invoked.

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