<xa-datasource-class>org.apache.derby.jdbc.EmbeddedXADataSource</xa-datasource-class> | <xa-datasource-property name="URL">jdbc:derby://localhost:1527/esbdb;create=false</xa-datasource-property> The above configuration will work only if there is setURL method present in org.apache.derby.jdbc.EmbeddedXADataSource which is not there, check this http://db.apache.org/derby/javadoc/publishedapi/jdbc3/org/apache/derby/jd... I don't see a way to confire a xa-datasouce after looking at this link, however you can configure local-tx-datasouce as explained here http://www.jboss.org/community/wiki/SetUpADerbyDatasource View the original post : http://www.jboss.org/index.html?module=bb&op=viewtopic&p=4254738#... Reply to the post : http://www.jboss.org/index.html?module=bb&op=posting&mode=reply&a...