sorry for replying late. I was not online for few days. I'm learnig JEE. So ran a ejb2 app in JBoss 4 and it was working fine and I wanted to run EJB3 in JBOSS 6. but was not finding any jee jar file. so please tell me what jar files i should add for all jee apps.could you list them. what jar file i should use for what jee app. like you gave for ejb.