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Re: Unable to retrieve EntityManagerFactory for unitName null for simple EJB

From: Mitesh Meswani <mitesh.meswani_at_oracle.com>
Date: Mon, 28 Jun 2010 14:16:42 -0700

I am assuming you have following structure.
EAR
     WAR
      EJB
      Entity.jar

This is not valid. If you need to share your persistence unit across
module, you need to place it in lib dir of EAR as follows
EAR
     WAR
      EJB
      lib/
         Entity.jar


The Entity.jar needs
On 6/28/2010 2:39 AM, glassfish_at_javadesktop.org wrote:
> Same problem here. My packaging is as follows:
>
> EAR -> application.xml and some library jars
> WAR -> web app
> EJB -> EJB 3.0 Session Beans
> Entity.JAR -> Entity Classes, persistence.xml and orm.xml
>
> Is the problem related to packaging entity classes in its own jar?
> [Message sent by forum member 'batzee']
>
> http://forums.java.net/jive/thread.jspa?messageID=476100
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