[richfaces-issues] [JBoss JIRA] Work started: (RF-4471) Usage of ImageIO in ResourceBuilderImpl causes memory leak

[Nick Belaevski (JIRA)]

     [ https://jira.jboss.org/jira/browse/RF-4471?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Work on RF-4471 started by Nick Belaevski.

> Usage of ImageIO in ResourceBuilderImpl causes memory leak
> ----------------------------------------------------------
>
>                 Key: RF-4471
>                 URL: https://jira.jboss.org/jira/browse/RF-4471
>             Project: RichFaces
>          Issue Type: Bug
>    Affects Versions: 3.1.6
>         Environment: any
>            Reporter: Philipp Schoepf
>            Assignee: Nick Belaevski
>
> It seems as we found a memleak in the ResourceBuilderImpl class. The call to 
> ImageIO.setCache(false)
> causes sun.awt.AppContext to statically initialize itself (inside static initialization of IIORegistry). The problem is that AppContext seems to hold a static reference to the contextclassloader of the calling thread. When our application gets undeployed the reference to the applications classloader is still hold by AppContext causing that loaded classes cannot be garbage collected.
> I only checked richfaces 3.16 but if ResourceBuilderImpl still exists in 3.2 stream I suppose that the problem exists there as well.

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