Hi Marc, Thanks for the reply. I have replaced my application.xml as you have suggested. But the error is still raised. Below is the snapshot of my application.xml as you have asked. | <?xml version="1.0" encoding="UTF-8"?> | <application xmlns="http://java.sun.com/xml/ns/javaee" | xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" | xsi:schemaLocation="http://java.sun.com/xml/ns/javaee http://java.sun.com/xml/ns/javaee/application_5.xsd" | version="5"> | <javaee:description>Demo Project</javaee:description> | <javaee:display-name>Demo</javaee:display-name> | | <module> | <ejb>AuthorityLevel.jar</ejb> | </module> | <module> | <ejb>Contacts.jar</ejb> | </module> | | <module> | <java>postgreSQL-ds.xml</java> | </module> | </application> | I appreciate your help regarding this. Regards, Sri. View the original post : http://www.jboss.org/index.html?module=bb&op=viewtopic&p=4250140#... Reply to the post : http://www.jboss.org/index.html?module=bb&op=posting&mode=reply&a...