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Date: Wed, 5 Jun 2013 08:22:59 -0500
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 <CAON=uemeCgJN7wJ8gM=dwau7MpRk1OxSjSisAE57Mo0mG4tnDg@mail.gmail.com>
Subject: Re: [jira] [Comment Edited] (OPENJPA-915) PCEnhancer cannot enhance
 an entity bean in a jar
From: Albert Lee <allee8285@gmail.com>
To: open-jpa-dev <dev@openjpa.apache.org>
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I am not familiar with Karaf.  From just browsing the Karaf home site, it
looks like it is a osgi based runtime but without JPA container-managed
persistence support. Therefore it does not perform runtime enhancement.

Just a guess, I wonder if you can use -javaagent when launching Karaf so
that the enhancer can be tapped into Karaf's runtime.


On Wed, Jun 5, 2013 at 4:26 AM, yangjun (JIRA) <jira@apache.org> wrote:

>
>     [
> https://issues.apache.org/jira/browse/OPENJPA-915?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13675735#comment-13675735]
>
> yangjun edited comment on OPENJPA-915 at 6/5/13 9:25 AM:
> ---------------------------------------------------------
>
> I am now facing the same issue.
> Right now MyEntity extends super class from dependency jar which could not
> enhanced at build time.
> Since I am using Karaf as container, there are no ways to introduce
> runtime Enhancement as far as I could see.
> Any body  has opinions?
>
>       was (Author: acyangjun):
>     I am now facing the same issue.
>
> > PCEnhancer cannot enhance an entity bean in a jar
> > -------------------------------------------------
> >
> >                 Key: OPENJPA-915
> >                 URL: https://issues.apache.org/jira/browse/OPENJPA-915
> >             Project: OpenJPA
> >          Issue Type: Improvement
> >         Environment: linux, java 1.6.0_12
> >            Reporter: Adam Hardy
> >
> > The PCEnhancer fails when trying to enhance an entity bean found in a
> jar. It tries and fails to write the enhanced class output to the jar
> rather than the build directory of the project.
> > This means I cannot have my entity bean superclass in a seperate
> framework-centric project for re-use by all JPA-based projects, unless I
> enhance the class when jarring up the framework project. This would prevent
> me from sharing the jar with other JPA-based projects which don't use
> OpenJPA.
> > I would recommend that the PCEnhancer checks the file path to write the
> enhanced class to before writing and removes any Jar-prefix if present,
> writing the class to the normal build directory.
>
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-- 
Albert Lee.

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