[jboss-jira] [JBoss JIRA] (EJBTHREE-1330) EJB timer service should use a thread pool to avoid OOM

[Bruno Georges (JIRA)]

     [ https://issues.jboss.org/browse/EJBTHREE-1330?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Bruno Georges updated EJBTHREE-1330:
------------------------------------

    Assignee: Carlo de Wolf  (was: Galder Zamarreño)

    
> EJB timer service should use a thread pool to avoid OOM
> -------------------------------------------------------
>
>                 Key: EJBTHREE-1330
>                 URL: https://issues.jboss.org/browse/EJBTHREE-1330
>             Project: EJB 3.0
>          Issue Type: Bug
>          Components: timerservice-mk2
>    Affects Versions: AS 4.2.2.GA, AS 5.0.0.Beta4
>            Reporter: Galder Zamarreño
>            Assignee: Carlo de Wolf
>            Priority: Minor
>
> The default EJB timer service used by the EJB3 layer is based on 
> org.jboss.ejb3.timerservice.jboss.JBossTimerServiceFactory which delegates 
> to the standard org.jboss.ejb.txtimer.EJBTimerService. 
> For EJB3 beans using the EJB timer service the thread local pool should not be used. 
> Since the current EJB timer service creates a new thread for each timer being created, the 
> thread local pool will create a matching instance of the bean for that thread. Thus the number 
> of active instances in total can effectively grow unchecked and thus an OOM will occur.

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