Solving the error EJB with JBoss 4.04

Solved it with the following 3 steps:
1] Edit conf/jboss-service.xml and make CallByValue as 'true' in NamingService as below

name="jboss:service=Naming"
xmbean-dd="resource:xmdesc/NamingService-xmbean.xml">
true


2] Edit deploy/ear-deployer.xml, and set Isloated and CallByValue as true

3]Edit deploy\jbossweb-tomcat55.sar\META-INF\jboss-service.xml , and set Java2ClassLoadingCompilance and UseJbossWebLoader attributes as false