java.lang.RuntimeException: java.lang.ClassNotFoundException: de.xxx.persistence.entity.core.Company (no security manager: RMI class loader disabled) at org.jboss.aop.joinpoint.MethodInvocation.getArguments(MethodInvocation.java:318) at org.jboss.ejb3.singleton.aop.impl.AOPBasedSingletonContainer.dynamicInvoke(AOPBasedSingletonContainer.java:331) at org.jboss.ejb3.session.InvokableContextClassProxyHack._dynamicInvoke(InvokableContextClassProxyHack.java:53) at org.jboss.aop.Dispatcher.invoke(Dispatcher.java:91) at org.jboss.aspects.remoting.AOPRemotingInvocationHandler.invoke(AOPRemotingInvocationHandler.java:82) at
Looking at this stacktrace, the ClassNotFoundException is on the server side. So where exactly is the de.xxx.persistence.entity.core.Company class (the jar containing that class) placed on the server? How is your application packaged and deployed on the server (jar/ear)?