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

Matthew Lieder (JIRA) jira-events at lists.jboss.org
Thu Mar 12 10:01:22 EDT 2009

    [ https://jira.jboss.org/jira/browse/JBSEAM-3932?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12456905#action_12456905 ] 

Matthew Lieder commented on JBSEAM-3932:

Confirmed fixed. Only leak left, when using RichFaces 3.3.1-SNAPSHOT which fixes another leak, is an annoying Java2D Disposer thread issue; that's almost certainly not Seam's fault though.

Thanks Norman!

> 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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