anonymous wrote : 17:14:17,568 INFO [EARDeployer] Init J2EE application: file:/C:/EJB3Trail. | ear | 17:14:17,578 ERROR [MainDeployer] Could not initialise deployment: file:/C:/EJB3Trail.ear | org.jboss.deployment.DeploymentException: No META-INF/application.xml found | at org.jboss.deployment.EARDeployer.init(EARDeployer.java:133) It looks like Jboss is looking for /C:/EJB3Trail.ear, not c:/EJB3Trail.ear. The leading '/' may be the issue. If Jboss is starting on the C: drive, then drop the C:, and if that works.... :) View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4155859#... Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&a...