Thanks for your answer. I made some tests but I think there is no way to acheive this my (common) need without tweaking with merging in one PU.
I don't want to SPAM the dev list so I created a thread on the Hibernate forum with my feedback : https://forum.hibernate.org/viewtopic.php?f=1&t=1002467 On Thu, Feb 4, 2010 at 9:06 AM, Emmanuel Bernard <emman...@hibernate.org> wrote: > Splitting entities amongst several JARs is definitely supported by JPA 2, you > need to use the <jar-file> element in persistence.xml (or to a lesser extend > <class>). > Merging several persistence.xml and considering them one is not a concept > that makes sense in the JPA 2 spec. Conceptually that means a lot of metadata > duplication that can and will conflict. > The exception you see comes from the fact that your "merging" does not > "unduplicate" jar file urls and it's associated root url. > > Emmanuel > > On 3 févr. 2010, at 17:43, Bouiaw wrote: > >> Hi, >> >> I would like to warn you about a blocking (from my point of view) >> issue in Hibernate 3.5 (JIRA issue : >> http://opensource.atlassian.com/projects/hibernate/browse/HHH-4864). >> >> Dispatching entities is not supported out of the box by Hibernate/JPA, >> but with a small tweak commonly used >> (http://ancientprogramming.blogspot.com/2007/05/multiple-persistencexml-files-and.html) >> it is possible to acheive this. >> >> This worked with previous version of Hibernate, but not anymore in >> Hibernate 3.5 betas. >> >> Even if this is not specified in JPA, this is mandatory for a lot of >> developer to do modular applications (each module (JAR) provide its >> own DAO, business and model layer). >> >> I hope you will be able to fix HHH-4864, because this is a blocking >> point for a lot of developers. >> >> Thanks in advance for your feedback, >> Bouiaw >> _______________________________________________ >> hibernate-dev mailing list >> hibernate-dev@lists.jboss.org >> https://lists.jboss.org/mailman/listinfo/hibernate-dev > > _______________________________________________ hibernate-dev mailing list hibernate-dev@lists.jboss.org https://lists.jboss.org/mailman/listinfo/hibernate-dev
