User development, A new message was posted in the thread "java.lang.ClassCastException: org.hibernate.ejb.HibernatePersistence": http://community.jboss.org/message/520277#520277 Author : jaikiran pai Profile : http://community.jboss.org/people/jaikiran Message: -------------------------------------------------------------- Which JPA implementation are you trying to use? Do you have a persistence.xml file in your application? What does it look like? -------------------------------------------------------------- To reply to this message visit the message page: http://community.jboss.org/message/520277#520277