[jboss-jira] [JBoss JIRA] (WFLY-1595) Possible race in jboss-invocation proxies resulting in NPE in initializer

[RH Bugzilla Integration (JIRA)]

    [ https://issues.jboss.org/browse/WFLY-1595?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12797790#comment-12797790 ] 

RH Bugzilla Integration commented on WFLY-1595:
-----------------------------------------------

Scott Mumford <smumford at redhat.com> made a comment on [bug 978603|https://bugzilla.redhat.com/show_bug.cgi?id=978603]

Stuart, is it possible to get an outline of this issue for a release note. 
I read that there was a possible race condition, but unfortunately, the details pertaining to the initializer, threads and defining classes is a bit beyond me.

We ideally need a cause (the underlying problem in the code), the consequence (how this problem manifested in the products behavior), the fix (what what changed in the code) and the result (how the product behaves after the change).

Any info you can offer will be appreciated and will help to make the Release Notes the best document it can be.
                
> Possible race in jboss-invocation proxies resulting in NPE in initializer
> -------------------------------------------------------------------------
>
>                 Key: WFLY-1595
>                 URL: https://issues.jboss.org/browse/WFLY-1595
>             Project: WildFly
>          Issue Type: Bug
>          Components: EE
>    Affects Versions: 8.0.0.Alpha2
>            Reporter: Stuart Douglas
>            Assignee: Stuart Douglas
>             Fix For: 8.0.0.Alpha3
>
>
> jboss-invocation proxies use a thread local to pass information into the initializer, in most cases this works fine as long as only a single thread is attempting to define the class. It is possible for a different thread to load the class that the one that defines it.

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