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From "Michael Dick (JIRA)" <j...@apache.org>
Subject [jira] Updated: (OPENJPA-646) JDK problems with defineClass and enum class types
Date Wed, 30 Jul 2008 16:21:32 GMT

     [ https://issues.apache.org/jira/browse/OPENJPA-646?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Michael Dick updated OPENJPA-646:
---------------------------------

    Fix Version/s:     (was: 1.2.0)
                   1.3.0
                   1.2.1

Moving to next release

> JDK problems with defineClass and enum class types
> --------------------------------------------------
>
>                 Key: OPENJPA-646
>                 URL: https://issues.apache.org/jira/browse/OPENJPA-646
>             Project: OpenJPA
>          Issue Type: Bug
>          Components: kernel
>    Affects Versions: 1.2.0
>            Reporter: Kevin Sutter
>            Assignee: Kevin Sutter
>             Fix For: 1.2.1, 1.3.0
>
>         Attachments: openjpa-646.patch, pmr.zip
>
>
> This Issue was first presented on our dev mailing list:
> http://www.nabble.com/Sun-JDK-problem-with-duplicate-annotations-td18101863.html
> I have also shared some additional experiences with Abe to get his views, but haven't
heard anything back yet.  So, I will create this JIRA Issue and work it from there.
> The original problem was limited to the Sun JDK.  But, in a soon-to-be-available update
to the IBM JDK, the same problem surfaces.  At least the same exception is presented.  The
actual call stack is different due to the different Sun and IBM packages, but it's a similar
problem.
> Basically, we are having a problem with our TempClassLoader attempting to use the defineClass()
method on the CascadeType enum class.  Our javax.persistence.CascadeType version doesn't experience
this problem because we use Class.forName() to load the javax classes.  In this scenario,
I have an alt.persistence.CascadeType that falls into our normal class definition processing
and attempts to use defineClass().  This method invocation completes okay.  But, later when
our code attempts to access the metadata associated with this type, we get the ArrayStoreException
from the JDK.
> I will post both a simple project that reproduces the problem as well as a "hack" patch
that gets us around the problem.  I also have a PMR opened against the IBM JDK to see if they
can help resolve it.
> Kevin

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