I'm trying to use Hibernate in several applications, each of which has their own EJB. 
So far the only way I know how to 'deploy' hibernated classes is by making a .SAR 
archive with the corresponding hbm.xml files and class-files and the (not very aptly 
named) jboss-service.xml that describes the HibernateFactory MBean.

Each works fine on its own. I'm developing more than one application however, and they 
run on the same JBoss server. For each application I have an .EAR and a .SAR (being 
able to put everything in the .EAR would have been much more convenient.)  When I 
deploy all of it I get an error when it gets to the second .SAR file complaining:

org.jboss.deployment.DeploymentException: Trying to install an already
 registered mbean: jboss.jca:service=HibernateFactory, name=HibernateFactory)

Does it mean I can have only one .SAR with Hibernate data in it? Or is there a way to 
deploy the mapping data separately? If not that would be extremely inconvenient, as I 
don't like to create dependencies between otherwise completely unrelated applications 
and their EJBs.

I did find references to a har-deployer using .HAR files. With these it seems possible 
to provide mapping data on a per .EAR basis. This is related to version 3.2.6 however, 
which I can't find anywhere.

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