[infinispan-issues] [JBoss JIRA] (ISPN-2786) ThreadLocal memory leak in Tomcat

[Jim Crossley (JIRA)]

    [ https://issues.jboss.org/browse/ISPN-2786?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12773498#comment-12773498 ] 

Jim Crossley commented on ISPN-2786:
------------------------------------

This is breaking Immutant as well, I think. Lingering ThreadLocal Marshaller's are re-used on a peer in which the collaborating application is no longer deployed. I don't think it would be a problem if ThreadLocal#remove is called when the cache is stopped.
                
> ThreadLocal memory leak in Tomcat
> ---------------------------------
>
>                 Key: ISPN-2786
>                 URL: https://issues.jboss.org/browse/ISPN-2786
>             Project: Infinispan
>          Issue Type: Bug
>          Components: Marshalling, Transactions
>    Affects Versions: 5.1.8.Final
>            Reporter: Johann Burkard
>            Assignee: Galder Zamarreño
>              Labels: leak, local, memory, thread, threadlocal
>             Fix For: 5.3.0.Final
>
>
> Just started an app using Infinispan 5.1.8.Final on Tomcat and got a few ThreadLocal problems during un-deployment:
> (Shortened)
> {code}
> key=org.jboss.marshalling.UTFUtils.BytesHolder
> value=org.jboss.marshalling.UTFUtils$BytesHolder at 697a1686
> key=java.lang.ThreadLocal at 36ed5ba6
> value=org.infinispan.context.SingleKeyNonTxInvocationContext{flags=null}
> key=org.infinispan.marshall.jboss.AbstractJBossMarshaller$1
> value=org.infinispan.marshall.jboss.AbstractJBossMarshaller$1 at 75f10df7
> value=org.infinispan.marshall.jboss.AbstractJBossMarshaller.PerThreadInstanceHolder
> {code}
> I do call {{DefaultCacheManager#shutdown()}} during un-deployment. :)
> Thanks

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