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From "Kevin Sutter (JIRA)" <j...@apache.org>
Subject [jira] Commented: (OPENJPA-1860) How do I get OpenJPA to use my custom classloader to load Entity classes?
Date Wed, 03 Nov 2010 18:44:29 GMT

    [ https://issues.apache.org/jira/browse/OPENJPA-1860?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12927950#action_12927950
] 

Kevin Sutter commented on OPENJPA-1860:
---------------------------------------

Hugh,
We're going to need a bit more information to help with this...  From an O/R Mapping perspective,
there should be no difference between processing a NamedQuery vs a normal JPQL Query.  Unless
something is being cached somewhere...

Could you please provide further information on your environment?  The persistence.xml would
also be helpful.  The complete exception text with call stack would be good.  What version
of OpenJPA are you using?

Thanks,
Kevin

> How do I get OpenJPA to use my custom classloader to load Entity classes?
> -------------------------------------------------------------------------
>
>                 Key: OPENJPA-1860
>                 URL: https://issues.apache.org/jira/browse/OPENJPA-1860
>             Project: OpenJPA
>          Issue Type: Question
>          Components: jpa
>    Affects Versions: 2.0.1
>         Environment: OpenJPA 2.0.1 Java 1.6-22
>            Reporter: Hugh
>
> I have written a custom classloader and I can't work out how to get OpenJPA to use it
to load my entity classes.
> I've followed instructions I found to set Thread.currentThread().setContextClassLoader()
at startup before loading any EntityManager and it seems to load the OpenJPA classes and a
lot of others, but not the class I'm interested in.
> Is this the right approach?
> If so, where have I gone wrong? (http://openjpa.208410.n2.nabble.com/Dynamic-Table-value-td5645906.html)
> If not, how should this be done?
> Is there some sort of guide to accomplishing this that someone could point me to?
> Thanks.

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