well,change the jboss classloader setting won't work. true <!-- A flag indicating if the JBoss Loader should be used. This loader uses a unified class loader as the class loader rather than the tomcat specific class loader. The default is false to ensure that wars have isolated class loading for duplicate jars and jsp files. --> true View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4010380#... Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&a...