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From "Donald Woods (JIRA)" <j...@apache.org>
Subject [jira] Commented: (GERONIMO-5553) Fail to enchance entities on Geronimo
Date Fri, 27 Aug 2010 13:27:54 GMT

    [ https://issues.apache.org/jira/browse/GERONIMO-5553?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12903400#action_12903400
] 

Donald Woods commented on GERONIMO-5553:
----------------------------------------

In geronimo-transformer, the TransformerWrapper class is commented out and no longer used,
but geronimo-persistence-jpa20 and geronimo-aries-jpa contains its own implementation of TransformerWrapper,
which only calls the transformer if the provided classloader is an instance of BundleReference?
 Is that the right behavior for geronimo-persistence-jpa20 for a WAR case, where it is not
a Bundle? Seems okay for the Aries case...

    public byte[] transform(ClassLoader loader, String className, Class<?> classBeingRedefined,
ProtectionDomain protectionDomain, byte[] classfileBuffer) throws IllegalClassFormatException
{
        if (loader instanceof BundleReference && ((BundleReference) loader).getBundle()
== bundle) {
            try {
                return classTransformer.transform(loader, className, classBeingRedefined,
protectionDomain, classfileBuffer);
            } catch (IllegalClassFormatException e) {
                throw e;
            } catch (RuntimeException e) {
                return null;
            }
        }
        return null;
}


> 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.Book@97781f" to PersistenceCapable failed.
 Ensure that it has been enhanced.
> FailedObject: org.apache.sample.entities.Book@97781f

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