<driver-class>org.apache.derby.jdbc.ClientDriver</driver-class> Where have you placed the jar file containing this driver in JBoss? Also, while posting logs or xml content or code, please remember to wrap it in a code block by using the Code button in the message editor window. Please use the Preview button to ensure that your post is correctly formatted. View the original post : http://www.jboss.org/index.html?module=bb&op=viewtopic&p=4233199#... Reply to the post : http://www.jboss.org/index.html?module=bb&op=posting&mode=reply&a...