i am using seam with jboss & hibernate for an EJB3 based portal .. we are using 8 databases here with the same schema ...and pls dont ask me why ;)
and the problem is: if i add one field to an entity the first two schemas are updated, the rest of them are not ... persistence.xml looks like below
<persistence-unit name="company1_entity_manager"> <jta-data-source>java:/OracleCompany1</jta-data-source> <properties> <property name="hibernate.hbm2ddl.auto" value="update"/> <property name="hibernate.dialect" value="org.hibernate.dialect.Oracle9Dialect"/> <property name="hibernate.session-factory" value="java:/HibernateSessionFactories/company1SessionFactory"/> <property name="hibernate.jdbc.batch_size" value="20"/> <property name="hibernate.transaction.factory_class" value="org.hibernate.transaction.JDBCTransactionFactory"/> <property name="jboss.entity.manager.factory.jndi.name" value="java:/EntityManagerFactories/company1EntityManager" /> <property name="jboss.entity.manager.jndi.name" value="java:/EntityManager/company1"/> </properties> </persistence-unit>