Hello, i try some tutorial from netbeans site http://www.netbeans.org/kb/55/ejb30-jboss.html and it work fine, i change the DB from hsqldb to mySql and i test it from local server and it work fine but when i try to upload it to my live server i get some errors 1) output error that i get is : java.lang.RuntimeException: javax.naming.NameNotFoundException: JBoss1 not bound web.ListNews.lookupJBossUserFacade(ListNews.java:82) web.ListNews.processRequest(ListNews.java:34) web.ListNews.doGet(ListNews.java:56) javax.servlet.http.HttpServlet.service(HttpServlet.java:697) javax.servlet.http.HttpServlet.service(HttpServlet.java:810) org.jboss.web.tomcat.filters.ReplyHeaderFilter.doFilter(ReplyHeaderFilter.java:96) 2)when i look at the server.log i get some extra info about the error, --- MBEANS THAT ARE THE ROOT CAUSE OF THE PROBLEM --- ObjectName: persistence.units:ear=JBoss1.ear,jar=JBoss1-ejb.jar,unitName=JBoss1-ejbPU State: FAILED Reason: org.hibernate.HibernateException: Hibernate Dialect must be explicitly set I Depend On: jboss.jca:service=ManagedConnectionFactory,name=MySqlDb Depends On Me: jboss.j2ee:ear=JBoss1.ear,jar=JBoss1-ejb.jar,name=JBossUserFacade,service=EJB3 jboss.j2ee:ear=JBoss1.ear,jar=JBoss1-ejb.jar,name=NewMessage,service=EJB3 Many thank about any idea or comment Ron. View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4069934#... Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&a...