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https://issues.apache.org/jira/browse/AMQ-3448?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Carl Allain updated AMQ-3448:
-----------------------------

    Comment: was deleted

(was: De retour lundi le 29 aout. En cas d'urgence, veuillez communiquer avec 
Patrick Li. Merci.
)

> Zombie ActiveMQ Connection Dispatcher threads - seems to consume all process 
> File Descriptors (FD leak)
> -------------------------------------------------------------------------------------------------------
>
>                 Key: AMQ-3448
>                 URL: https://issues.apache.org/jira/browse/AMQ-3448
>             Project: ActiveMQ
>          Issue Type: Bug
>    Affects Versions: 5.3.2
>         Environment: Active MQ 5.3.2
> java version "1.6.0_23"
> Java(TM) SE Runtime Environment (build 1.6.0_23-b05)
> Java HotSpot(TM) Server VM (build 19.0-b09, mixed mode)
> LSB Version: 
> :core-3.1-amd64:core-3.1-ia32:core-3.1-noarch:graphics-3.1-amd64:graphics-3.1-ia32:graphics-3.1-noarch
> Distributor ID: CentOS
> Description: CentOS release 5.5 (Final)
> Release: 5.5
> Codename: Final
>            Reporter: Carl Allain
>            Priority: Critical
>
> Somehow linked to https://issues.apache.org/jira/browse/AMQ-3286 which was 
> closed. I am opening here as I cannot reopen the old bug and I hope that with 
> the information I provide here, someone will be able to have some insight of 
> the possible cause and a fix.
> I don't know how to reproduce with a test case, but I have found 800+ of such 
> "ActiveMQ Connection Dispatcher" threads. I also noted that the number of FDs 
> for the process keeps increasing and after a few days, we have a "too many 
> files opened" when going beyond the 1024 limit. Most of those FDs (hundreds) 
> do look like:
> java 6700 lexo-ext 904u sock 0,5 1741176200 can't identify protocol
> There is not much activity on the system and that is still enough to get the 
> problem.
> When we reach the limit of FDs, we get tons of stack traces in the logs, 
> filling up the hard disk...

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