ObjectName: persistence.units:ear=SeamAp.ear,unitName=SeamAp State: FAILED Reason: javax.persistence.PersistenceException: org.hibernate.HibernateException: Hibernate Dialect must be explicitly set I Depend On: jboss.jca:service=DataSourceBinding,name=SeamApDatasource I create the seam ap by seam-gen running on a JEMS-installer, the hiberante exception is thrown, because I don't want to use database at the moment, can anyone help me to solve the problem? Thanks View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4064804#... Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&a...