anonymous wrote : java.lang.RuntimeException: Specified calling class, [I could not be found for sun.misc.Launcher$AppClassLoader@18d107f | at org.jboss.ejb3.common.lang.SerializableMethod.getClassFromName(SerializableMethod.java:348) | at org.jboss.ejb3.common.lang.SerializableMethod.toMethod(SerializableMethod.java:238) See this http://www.jboss.com/index.html?module=bb&op=viewtopic&t=147301#4.... Known issue which we fixed recently. Workarounds: 1) Use JDK 1.5 instead OR 2) Use -Dsun.lang.ClassLoader.allowArraySyntax=true as mentioned in the README of the JBossAS-5.0 GA. View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4199684#... Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&a...