[jbossseam-issues] [JBoss JIRA] Commented: (JBSEAM-3932) org.jboss.el.util.ReflectionUtil/org.jboss.el.util.ReferenceCache causes thread and memory leak

Norman Richards (JIRA) jira-events at lists.jboss.org
Thu Feb 26 18:05:44 EST 2009

    [ https://jira.jboss.org/jira/browse/JBSEAM-3932?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12454591#action_12454591 ] 

Norman Richards commented on JBSEAM-3932:

Thanks.  I plan to put a fix in for this shortly, but I'm still debating the best solution.  If any of the other leaks are Seam-related, please open JIRAs and I will make sure they get addressed before the next release.

> org.jboss.el.util.ReflectionUtil/org.jboss.el.util.ReferenceCache causes thread and memory leak
> -----------------------------------------------------------------------------------------------
>                 Key: JBSEAM-3932
>                 URL: https://jira.jboss.org/jira/browse/JBSEAM-3932
>             Project: Seam
>          Issue Type: Bug
>    Affects Versions: 2.1.1.GA
>         Environment: Tomcat w/ Seam on Windows
>            Reporter: Alexander Schwartz
>            Assignee: Norman Richards
>             Fix For: 2.1.2.CR1
>         Attachments: reference.patch
> org.jboss.el.util.ReflectionUtil (from jboss-el) uses a  
> private static ReferenceCache methodCache
> and this ReferenceCache is leaking a thread that is used for cleanup. You can't call a cleanup method from the outside. 
> Every redeployment of an application will leak one thread due to this bug. And it causes a memory leak as the web application class loader can't be unloaded due to this bug.
> The pom.xml of jboss-el states "JBoss EL is a extended EL implementation, distributed with Seam", therefore I report this bug against Seam.  
> If this thread should really be necessary, it should have a proper name.

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