I'm confused. Are you trying to start JBoss(in which case you dont have to use the shutdown.bat) and running into this issue? You havent yet replied to my earlier questions: "jaikiran" wrote : Did you do any changes to the JBoss installation? Also are you sure that the JBoss version that you downloaded was clean and was not corrupt? | "jaikiran" wrote : Are you starting the server from the console or from an IDE like Eclipse? View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4131345#... Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&a...