[richfaces-issues] [JBoss JIRA] Commented: (RF-7911) OutOfMemory when redeploying - ClientSelection not unregistered from PropertyEditorManager

[Hans Cappelle (JIRA)]

    [ https://jira.jboss.org/jira/browse/RF-7911?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12491451#action_12491451 ] 

Hans Cappelle commented on RF-7911:
-----------------------------------

I stumbled upon this issue looking for a solution on a similar PermGen OutOfMemoryError but on another Application Server: GlassFish. org.richfaces.model.selection.ClientSelection was also listed in the classes left behind after undeploying the application. I noticed it was also linked to org.apache.commons.io.FileCleaner of which the API states that it can cause this problem:

from: http://commons.apache.org/io/api-1.4/org/apache/commons/io/FileCleaner.html

In an environment with multiple class loaders (a servlet container, for example), you should consider stopping the background thread if it is no longer needed. This is done by invoking the method exitWhenFinished(), typically in javax.servlet.ServletContextListener#contextDestroyed or similar. 

You can find the original issue at: http://issues.apache.org/jira/browse/IO-99

Not sure if this can help you but would be great if you could point this out ;-).

> OutOfMemory when redeploying - ClientSelection not unregistered from PropertyEditorManager
> ------------------------------------------------------------------------------------------
>
>                 Key: RF-7911
>                 URL: https://jira.jboss.org/jira/browse/RF-7911
>             Project: RichFaces
>          Issue Type: Bug
>    Affects Versions: 3.3.1
>         Environment: richfaces.3.3.1.GA + Tomcat 6
>            Reporter: Geert Coelmont
>         Attachments: screen_shot1.jpg, screen_shot1.jpg
>
>
> When redeploying, webapp classloader isn't garbage collected, causing a "java.lang.OutOfMemoryError: PermGen space" after a few times.
> I used a profiler ("yourkit") to see where the issue was and found these 3 classes:
> - org.richfaces.model.selection.ClientSelection
> - com.sun.faces.application.ConverterPropertyEditorFactory$DisposableClassLoader
> - com.sun.faces.application.ConverterPropertyEditorBase
> See attached screen shot for more details.
> I don't know where the 2 com.sun.faces classes come from either, but at least org.richfaces.model.selection.ClientSelection shouldn't be there.
> I saw issue RF-1284 which appears to be very similar, only now this happens in a newer version. 

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