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

[Nick Belaevski (JIRA)]

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

Nick Belaevski updated RF-4471:
-------------------------------

    Fix Version/s: 4.0.0.Milestone2
                       (was: 4.0.0.Milestone1)


> Usage of ImageIO in ResourceBuilderImpl causes memory leak
> ----------------------------------------------------------
>
>                 Key: RF-4471
>                 URL: https://jira.jboss.org/browse/RF-4471
>             Project: RichFaces
>          Issue Type: Bug
>      Security Level: Public(Everyone can see) 
>          Components: core
>    Affects Versions: 3.1.6
>         Environment: any
>            Reporter: Philipp Schoepf
>            Assignee: Nick Belaevski
>             Fix For: 4.0.0.Milestone2
>
>
> 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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