[weld-issues] [JBoss JIRA] Updated: (WELD-570) Partial export of javasisst from Weld breaks other javasisst clients

[Pete Muir (JIRA)]

     [ https://jira.jboss.org/browse/WELD-570?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Pete Muir updated WELD-570:
---------------------------

    Component/s: GlassFish Integration


> Partial export of javasisst from Weld breaks other javasisst clients
> --------------------------------------------------------------------
>
>                 Key: WELD-570
>                 URL: https://jira.jboss.org/browse/WELD-570
>             Project: Weld
>          Issue Type: Bug
>          Components: GlassFish Integration, OSGi support
>    Affects Versions: 1.1.0.Beta1
>            Reporter: Harald Wellmann
>            Assignee: Roger Kitain
>             Fix For: 1.1.0.Beta2
>
>
> weld-osgi-bundle.jar (as used in Glassfish 3.0 and higher) still contains a buggy version of javasisst causing memory leaks.
> See WELD-453 and JASSIST-104. Even though Weld itself no longer uses the problematic javassist ProxyFactory, it is still the root cause for a memory leak occurring when HIbernate (or potentially any other Javassist client) is used on Glassfish.
> The problem exists in Glassfish 3.0.1 and also in the promoted build 3.1-b12 using a 1.1.0 prerelease of Weld, see https://glassfish.dev.java.net/issues/show_bug.cgi?id=12368
> weld-osgi-bundle.jar contains a version of javassist which is almost but not fully private. There is a package export for javassist.util.proxy. When deploying a WAR on Glassfish containing Hibernate (3.5.3) and another copy of Javasisst required by Hibernate, then by parent classloader delegation Hibernate will end up using the javassist ProxyFactory from Weld, registering its proxies deep down in the container, and thus causing a memory leak with each redeployment of the WAR.
> Weld should either keep its included version of javassist fully private or import all of javasisst via Import-Package, relying on javasisst installed in a separate bundle.

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