I am getting teh following error when trying to look up ejb from Java swing client
2013-09-04 16:19:04,595 ERROR [org.jboss.ejb.plugins.SecurityInterceptor] (WorkerThread#0[10.24.0.93:61667]) Error in Security Interceptor java.lang.SecurityException: Authentication exception, principal=null at org.jboss.ejb.plugins.SecurityInterceptor.checkSecurityContext(SecurityInterceptor.java:321) at org.jboss.ejb.plugins.SecurityInterceptor.process(SecurityInterceptor.java:243) at org.jboss.ejb.plugins.SecurityInterceptor.invokeHome(SecurityInterceptor.java:205) at org.jboss.ejb.plugins.security.PreSecurityInterceptor.process(PreSecurityInterceptor.java:136) at org.jboss.ejb.plugins.security.PreSecurityInterceptor.invokeHome(PreSecurityInterceptor.java:88) at org.jboss.ejb.plugins.LogInterceptor.invokeHome(LogInterceptor.java:132) at org.jboss.ejb.plugins.ProxyFactoryFinderInterceptor.invokeHome(ProxyFactoryFinderInterceptor.java:107) at org.jboss.ejb.SessionContainer.internalInvokeHome(SessionContainer.java:639) at org.jboss.ejb.Container.invoke(Container.java:1046) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) at java.lang.reflect.Method.invoke(Method.java:597) at org.jboss.mx.interceptor.ReflectedDispatcher.invoke(ReflectedDispatcher.java:157) at org.jboss.mx.server.Invocation.dispatch(Invocation.java:96) at org.jboss.mx.server.Invocation.invoke(Invocation.java:88) at org.jboss.mx.server.AbstractMBeanInvoker.invoke(AbstractMBeanInvoker.java:264) at org.jboss.mx.server.MBeanServerImpl.invoke(MBeanServerImpl.java:668) at org.jboss.invocation.unified.server.UnifiedInvoker.invoke(UnifiedInvoker.java:232) at org.jboss.remoting.ServerInvoker.invoke(ServerInvoker.java:891) at org.jboss.remoting.transport.socket.ServerThread.completeInvocation(ServerThread.java:744) at org.jboss.remoting.transport.socket.ServerThread.processInvocation(ServerThread.java:697) at org.jboss.remoting.transport.socket.ServerThread.dorun(ServerThread.java:524) at org.jboss.remoting.transport.socket.ServerThread.run(ServerThread.java:232)
any help will be appreciated.