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From "Brett E. Meyer (JIRA)" <>
Subject [jira] [Commented] (ARIES-1045) Consider allowing excludeUnlistedClasses to return false
Date Thu, 16 May 2013 15:13:16 GMT


Brett E. Meyer commented on ARIES-1045:

I know there are ways around the issue, as Tuomas points out, but they all require tricks
specific to Aries implementation details.  For JPA providers (like Hibernate) that do not
want to introduce dependencies on any specific container, supporting excludeUnlistedClasses
is important.
> Consider allowing excludeUnlistedClasses to return false
> --------------------------------------------------------
>                 Key: ARIES-1045
>                 URL:
>             Project: Aries
>          Issue Type: Improvement
>            Reporter: Brett E. Meyer
> Hibernate is in the middle of finalizing support for Enterprise OSGi JPA environments
-- many thanks to [~timothyjward] for assistance.  I primarily use Aries as the container
for testing.
> Tim pointed out that Aries always returns true for PersistenceUnitInfo#excludeUnlistedClasses().
 Although I think I understand the initial reasoning behind that, I'd request that it return
the real value of "org.apache.aries.jpa.exclude.unlisted" (ie, "<exclude-unlisted-classes>").
> Hibernate supports scanning to find non-explicitly listed classes, mapping files, orm.xml
files, etc.  With Tim's help, we implemented an OSGi-specific scanner to search BundleWiring
resources.  However, we really need to honor the real value of "<exclude-unlisted-classes>"
before we attempt that.
> It would be great if supporting entity scanning was left up to the JPA provider.

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