[jboss-jira] [JBoss JIRA] (AS7-6967) ClassLoader memory leak with JSF

[jaikiran pai (JIRA)]

     [ https://issues.jboss.org/browse/AS7-6967?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

jaikiran pai updated AS7-6967:
------------------------------

       Assignee: Stan Silvert
    Component/s: JSF

    
> ClassLoader memory leak with JSF
> --------------------------------
>
>                 Key: AS7-6967
>                 URL: https://issues.jboss.org/browse/AS7-6967
>             Project: Application Server 7
>          Issue Type: Bug
>          Components: JSF
>    Affects Versions: EAP 6.1.0.Alpha (7.2.0.Final)
>            Reporter: Vlad Arkhipov
>            Assignee: Stan Silvert
>            Priority: Critical
>         Attachments: war-leak.tar.gz
>
>
> JSF application's classes are not unloaded properly when undeployed. The test case is in the attachment. Steps to reproduce:
> # mvn package
> # deploy war-leak.war
> # open http://localhost:8080/war-leak
> # undeploy war-leak.war
> # analyze a heap dump to find unloaded ModuleClassLoader of war-leak.war
> References to the WAR classes are hold by java.beans.Introspector caches. It seems to be a known bug (feature?). For example Tomcat automatically invokes java.beans.Introspector.flushCaches() when WAR undeploys. There is also IntrospectorCleanupListener in Spring for the same purpose.
> http://wiki.apache.org/commons/Logging/UndeployMemoryLeak
> http://static.springsource.org/spring/docs/2.5.x/api/org/springframework/web/util/IntrospectorCleanupListener.html

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