[jboss-jira] [JBoss JIRA] Commented: (JGRP-871) ContextObjectInputStream caches classes, potentially causing classloader leaks

[Bela Ban (JIRA)]

    [ https://jira.jboss.org/jira/browse/JGRP-871?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12441356#action_12441356 ] 

Bela Ban commented on JGRP-871:
-------------------------------

This class is only used by the Util.object{To,From}XXX() methods, which I don't recommend.

Actually, apps using JGroups are supposed to do their own marshalling and pass only byte[] buffer into JGroups.

I'm thinking of dropping ContextObjectInputStream altogether... WDYT ?

> ContextObjectInputStream caches classes, potentially causing classloader leaks
> ------------------------------------------------------------------------------
>
>                 Key: JGRP-871
>                 URL: https://jira.jboss.org/jira/browse/JGRP-871
>             Project: JGroups
>          Issue Type: Bug
>    Affects Versions: 2.7
>         Environment: all
>            Reporter: Sei Syvalta
>            Assignee: Bela Ban
>             Fix For: 2.7
>
>
> If jgroups is installed at application server lib directory, a classloader leak will occur. When web app is undeployed, static classCache in ContextObjectInputStream will still refer those web app classes preventing web app to undeploy properly.
> I think proper fix would be to remove this caching completely.
> Additionally, it might be worth to check the current version form jboss: http://fisheye.jboss.org/browse/JBossCommon/common-core/trunk/src/main/java/org/jboss/util/stream/MarshalledValueInputStream.java#2904. It has some fixes for java 6.

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