I am using Redhat developer studio.it provides ? Eclipse 3.3 ? JBoss J2EE Application Server.but after installation of this software JBOSS server is not comming.I dont know what shud i do. it showing this error-->Unable to create this server. org/jboss/ide/eclipse/archives/ui/preferences/MainPreferencePage (Unsupported major.minor version 49.0) actually bydefault Jboss server should start but it's not at all comming only... plz help me View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4077134#... Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&a...