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https://issues.apache.org/jira/browse/GERONIMO-5553?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12903453#action_12903453
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Jarek Gawor commented on GERONIMO-5553:
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Once again, the Aries JPA is not used in this case. So no need to worry about
it. But if you are interested, this works in exactly the same way as it works
for regular Java EE apps. OpenJPA calls PersistenceUntInfo.addTransfomer()
which then registers the transformer with the agent which later on causes the
enhancement to be done.
Everything is a bundle in Geronimo 3.0. I'm pretty sure the PU provides the
classloader it wants to use via PersistenceUnitInfo.getClassLoader().
> Fail to enchance entities on Geronimo
> -------------------------------------
>
> Key: GERONIMO-5553
> URL: https://issues.apache.org/jira/browse/GERONIMO-5553
> Project: Geronimo
> Issue Type: Bug
> Security Level: public(Regular issues)
> Components: persistence
> Affects Versions: 3.0
> Environment: OS:win xp
> Geronimo :3.0 20100824 build
> Reporter: Lu Jiang
> Assignee: Rick McGuire
> Fix For: 3.0
>
> Attachments: booknew.war
>
>
> I tried to deploy a simple jpa sample on geronimo.But when persist data into
> database.
> Following exception will occur.
> <openjpa-2.0.0-r422266:935683 nonfatal user error>
> org.apache.openjpa.persistence.ArgumentException: Attempt to cast instance
> "org.apache.sample.entities.b...@97781f" to PersistenceCapable failed.
> Ensure that it has been enhanced.
> FailedObject: org.apache.sample.entities.b...@97781f
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