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https://issues.apache.org/jira/browse/OPENJPA-2632?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15182758#comment-15182758
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Romain Manni-Bucau commented on OPENJPA-2632:
---------------------------------------------

[~rsandtner] you are right no restriction but it is an open door to leak - in 
particular with the enhancement the spec implies in some cases. What about 
adding your patch if a flag is set in the persistence unit properties? If not 
set or false then keep current behavior, if set to true use your patch. wdyt?


> select new not working if result class is not in same classloader
> -----------------------------------------------------------------
>
>                 Key: OPENJPA-2632
>                 URL: https://issues.apache.org/jira/browse/OPENJPA-2632
>             Project: OpenJPA
>          Issue Type: Bug
>          Components: jdbc
>    Affects Versions: 2.4.1
>            Reporter: Reinhard Sandtner
>         Attachments: OPENJPA-2632.patch
>
>
> in my case i'm using an ear with multiple war files.
> the entities are located in ear/lib and my select new result class and the 
> service which loads it are located in a war (doesn't matter if in WEB-INF/lib 
> or WEB-INF/classes)
> openJPA uses the CL stored in QueryImpl but this one can not load my class.
> imo if the class can not be loaded with the stored class loader, we can try 
> to use the TCCL to load the class.



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