I get the following exception when invoking on a persistent EntityBean object
which has a double method parameter:

java.rmi.MarshalException: CORBA MARSHAL 1398079496 Maybe; nested exception is:
        org.omg.CORBA.MARSHAL: minor code: 1398079496 completed: Maybe
org.omg.CORBA.MARSHAL: minor code: 1398079496 completed: Maybe
        at java.lang.Class.newInstance0(Native Method)
        at java.lang.Class.newInstance(Class.java:241)
        at com.sun.corba.ee.internal.iiop.ReplyMessage.getSystemException(ReplyMessage.java:97)
        at com.sun.corba.ee.internal.iiop.ClientResponseImpl.getSystemException(ClientResponseImpl.java:86)
        at com.sun.corba.ee.internal.POA.GenericPOAClientSC.invoke(GenericPOAClientSC.java:173)
        at org.omg.CORBA.portable.ObjectImpl._invoke(ObjectImpl.java:248)
        at entity._HelloHome_Stub.create(Unknown Source)
        at entity.HelloClient.main(HelloClient.java:26)