Hi; I'm trying to transfer the Persisten Objects to MYSQL, but I have a problem, I am trying to move to my database, but It only creates the table, but doesn't move to MySQL. here is a litltle part of the error. 17:38:36,552 WARN [ServiceController] Problem starting service jboss.j2ee:jar=tutorialEstudiante.jar,name=EstudianteDAOBean,service=EJB3 javax.naming.NamingException: Could not bind stateful proxy with ejb name EstudianteDAOBean into JNDI under jndiName: EstudianteDAOBean/remote [Root exception is javax.naming.NameAlreadyBoundException] at org.jboss.ejb3.stateful.BaseStatefulProxyFactory.start(BaseStatefulProxyFactory.java:79) at org.jboss.ejb3.stateful.StatefulRemoteProxyFactory.start(StatefulRemoteProxyFactory.java:88) I don't know, the connector and the mysql-ds.xml are well located, so I don't know what's happening Thanks Rodrigo View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=3969135#... Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&a...