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https://jira.jboss.org/jira/browse/RF-8216?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Alex Kolonitsky resolved RF-8216.
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Resolution: Done
> ThreadLocal/Memory leak in ColumnsHandler
> -----------------------------------------
>
> Key: RF-8216
> URL: https://jira.jboss.org/jira/browse/RF-8216
> Project: RichFaces
> Issue Type: Bug
> Security Level: Public(Everyone can see)
> Components: component-tables, performance
> Affects Versions: 3.3.1
> Reporter: Thomas W
> Assignee: Alex Kolonitsky
> Fix For: 3.3.3.CR1
>
>
> I have found this issue when hunting down memory leaks on hot deployment with
> tomcat. It prevents the classloader from unload and leaks memory even outside
> of hot deployment in HTTP worker threads. This is just one example. Looking
> at how plain and obvious it is, there are probably more issues hiding in
> other components. There should be test with ideally full code coverage,
> followed by inspection of the JVM heap for leaks.
> There is a nice post here on how to perform the latter:
> http://blogs.sun.com/fkieviet/entry/how_to_fix_the_dreaded
> The specific culprit I found is the columns tag (ColumnsHandler).
> I had to add the following in a subclass to prevent the leak:
> @Override
> public void apply(FaceletContext ctx, UIComponent parent)
> throws IOException, FacesException, ELException {
> super.apply(ctx, parent);
> // fix memory/classloader leak
> super.iterationContextLocal.remove();
> }
>
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