I want to load a class dyanamicaly. I have used following code in my application VCATComnProcessIFBO uif = ( VCATComnProcessIFBO)new VCATClassLoader().getClassLoaded("NSB.UER.ACBalInq"); The jar file where class NSB.UER.ACBalInq is, I have put to servers/default/lib directory When I accees the application it throughs java.lang.ClassNotFoundException: NSB.UER.ACBalInq The same application runs successfuly in sun java application server ( glassfish) and webspere where both allows us to specify jar file in the server class path View the original post : http://www.jboss.org/index.html?module=bb&op=viewtopic&p=4214729#... Reply to the post : http://www.jboss.org/index.html?module=bb&op=posting&mode=reply&a...