anonymous wrote : Is it possible to deploy two different ear in a single jboss Yes you can have any number of EARs deployed in a single instance of JBoss. anonymous wrote : hen how the ds file will work for different database connection ? You can deploy separate datasource files (-ds.xml) for each of those applications. The application will then internally have to lookup the appropriate datasource file for itself. View the original post : http://www.jboss.org/index.html?module=bb&op=viewtopic&p=4222927#... Reply to the post : http://www.jboss.org/index.html?module=bb&op=posting&mode=reply&a...