<jta-data-source>java:studProjectDS | </jta-data-source> | persistence.unit:unitName=#StudProject | -> jboss.jca:name=studProjectDS | ,service=DataSourceBinding{Create:** NOT FOUND Depends on 'jboss.jca:name=studProjectDS | ,service=DataSourceBinding' **} | Looks like a bug in the persistence.xml parsing. The newline (and maybe even the leading and trailing space) doesn't seem to be trimmed while parsing the jta-data-source element. Change the persistence.xml to: <jta-data-source>java:studProjectDS</jta-data-source> View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4199447#... Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&a...