anonymous wrote : file:/C:/Documents and Settings/RAVI/Desktop/jboss-4.0.3SP1/server/default/conf/jboss-service.xml You still seem to be running JBoss which is installed in a folder with a space in its name. This may not actually be the reason for the failure, but i want to completely rule out that possibility. Move your installation to some other folder (without space) and try starting JBoss. If it fails, post the logs. View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4150926#... Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&a...