User development, A new message was posted in the thread "Persistence unit issues when migrating to JBOSS 5.1.0": http://community.jboss.org/message/518857#518857 Author : Dragos Bobes Profile : http://community.jboss.org/people/dbobes Message: -------------------------------------------------------------- I found a way to specify which jars should be scanned for hibernate annotations. In persistence.xml:      <persistence-unit name="myapp">       <provider>org.hibernate.ejb.HibernatePersistence</provider>       <jta-data-source>java:/jdbc/myapp</jta-data-source>       <jar-file>myseammodule.jar</jar-file>       <properties>           ...    </persistence-unit>   Now the container scans the myseammodule.jar for hibernate classes and everything works fine.   I still wonder if this structure is the best way to have the persistence unit scope set to ear level. I find it strange that I have to create an empty jar just to place persistence.xml at the root level of the ear. Is there a better way to accomplish this?   Thanks, Dragos -------------------------------------------------------------- To reply to this message visit the message page: http://community.jboss.org/message/518857#518857