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https://issues.apache.org/jira/browse/GERONIMO-5553?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12905625#action_12905625
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Donald Woods commented on GERONIMO-5553:
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Reply to the 8/30 questions about enhancer, which dup my 8/27 comments....
When a list of classes is handed to the javaagent, then it will only enhance
those classes, but when no class list is given it will discover all classes to
enhance. When the 1.6 JVM's Attach API is used (new in OpenJPA 2.0) to
dynamically load the OpenJPA enhancer agent, then the class list is used AND
any other classes to enhance are discovered unless <exclude-unlisted-classes>
is specified in the PU.
So, I'll opened OPENJPA-1780 to request that the javaagent behave the same as
the dynamic loader....
> 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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