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https://issues.apache.org/jira/browse/DIRMINA-687?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Markus Peter updated DIRMINA-687:
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Comment: was deleted
(was: I was just about to create a bug ticket for the exactly same issue with a
fix suggestion after I examined a similar problem in one of our servers, when I
discovered this ticket and saw that another fix was already committed ;-)
Anyway, wouldn't the more elegant solution have been to leave the M5 code as it
was and simply change the task = tasksQueue.poll(); in runTasks to a task =
tasksQueue.peek() and execute the poll after runTask(task); ?
)
> 2.0.0-M5 REGRESSION: sessionClosed called before doDecode completes
> -------------------------------------------------------------------
>
> Key: DIRMINA-687
> URL: https://issues.apache.org/jira/browse/DIRMINA-687
> Project: MINA
> Issue Type: Bug
> Components: Core
> Affects Versions: 2.0.0-M5
> Reporter: Serge Baranov
> Assignee: Emmanuel Lecharny
> Priority: Critical
> Fix For: 2.0.0-M6
>
> Attachments: regression-test.zip
>
>
> The problem is described in detail at
> http://markmail.org/message/3iqmkdcukhygxxva .
> I did more tests by setting the CLOSED custom attribute inside sessionClosed
> and by checking for this attribute in the middle of doDecode.
> Under some networking conditions on the production server I can see the
> following in the logs:
> [2009-04-16 22:30:17,329] Session closed in the middle of decoding!
> [2009-04-16 22:30:21,126] Session closed in the middle of decoding!
> [2009-04-16 22:30:22,345] Session closed in the middle of decoding!
> [2009-04-16 22:30:22,969] Session closed in the middle of decoding!
> [2009-04-16 22:30:25,217] Session closed in the middle of decoding!
> [2009-04-16 22:30:25,840] Session closed in the middle of decoding!
> [2009-04-16 22:30:59,958] Session closed in the middle of decoding!
> Unfortunately, I didn't manage to prepare an isolated test case for this
> issue, must be some race condition which is tricky to catch.
> Most likely the problem is caused by this commit:
> http://svn.apache.org/viewvc?view=rev&revision=762167 .
> As mentioned, this problem is new to 2.0.0-M5, worked fine for many months
> with 2.0.0-M4 and previous builds. Rolling back to M4 builds fixes the
> problem instantly.
> OrderedThreadPool must guarantee the order of events, sessionClosed must not
> be called when doDecode is in progress.
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