EJB问题
java.rmi.MarshalException: CORBA BAD_PARAM 1330446342 Maybe; nested exception is: 
java.io.NotSerializableException: ----------BEGIN server-side stack trace----------
org.omg.CORBA.BAD_PARAM: vmcid: OMG minor code: 6 completed: Maybe
at com.sun.corba.se.impl.logging.OMGSystemException.notSerializable(OMGSystemException.java:990)
at com.sun.corba.se.impl.logging.OMGSystemException.notSerializable(OMGSystemException.java:1005)
at com.sun.corba.se.impl.orbutil.ORBUtility.throwNotSerializableForCorba(ORBUtility.java:670)
at com.sun.corba.se.impl.encoding.CDROutputStream_1_0.write_abstract_interface(CDROutputStream_1_0.java:652)
at com.sun.corba.se.impl.encoding.CDROutputStream.write_abstract_interface(CDROutputStream.java:245)
at com.sun.corba.se.impl.javax.rmi.CORBA.Util.writeAbstractObject(Util.java:441)
at javax.rmi.CORBA.Util.writeAbstractObject(Util.java:131)
at com.sun.corba.se.impl.io.IIOPOutputStream.writeObjectOverride(IIOPOutputStream.java:138)
at java.io.ObjectOutputStream.writeObject(ObjectOutputStream.java:298)
at java.util.ArrayList.writeObject(ArrayList.java:569)
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:585)
at com.sun.corba.se.impl.io.IIOPOutputStream.invokeObjectWriter(IIOPOutputStream.java:605)
at com.sun.corba.se.impl.io.IIOPOutputStream.outputObject(IIOPOutputStream.java:571)
at com.sun.corba.se.impl.io.IIOPOutputStream.simpleWriteObject(IIOPOutputStream.java:159)
at com.sun.corba.se.impl.io.ValueHandlerImpl.writeValueInternal(ValueHandlerImpl.java:222)
at com.sun.corba.se.impl.io.ValueHandlerImpl.writeValueWithVersion(ValueHandlerImpl.java:204)
at com.sun.corba.se.impl.io.ValueHandlerImpl.writeValue(ValueHandlerImpl.java:144)
at com.sun.corba.se.impl.encoding.CDROutputStream_1_0.writeRMIIIOPValueType(CDROutputStream_1_0.java:801)
at com.sun.corba.se.impl.encoding.CDROutputStream_1_0.write_value(CDROutputStream_1_0.java:850)
at com.sun.corba.se.impl.encoding.CDROutputStream_1_0.write_value(CDROutputStream_1_0.java:864)
at com.sun.corba.se.impl.encoding.CDROutputStream_1_0.write_value(CDROutputStream_1_0.java:659)
at com.sun.corba.se.impl.encoding.CDROutputStream.write_value(CDROutputStream.java:232)
at com.huawei.unica.svc.sip.uc.sfw.svcmgmt._IfUCListnerRemote_EJBObjectImpl_Tie._invoke(Unknown Source)
at com.sun.corba.se.impl.protocol.CorbaServerRequestDispatcherImpl.dispatchToServant(CorbaServerRequestDispatcherImpl.java:637)
at com.sun.corba.se.impl.protocol.CorbaServerRequestDispatcherImpl.dispatch(CorbaServerRequestDispatcherImpl.java:189)
at com.sun.corba.se.impl.protocol.CorbaMessageMediatorImpl.handleRequestRequest(CorbaMessageMediatorImpl.java:1682)
at com.sun.corba.se.impl.protocol.CorbaMessageMediatorImpl.handleRequest(CorbaMessageMediatorImpl.java:1540)
at com.sun.corba.se.impl.protocol.CorbaMessageMediatorImpl.handleInput(CorbaMessageMediatorImpl.java:922)
at com.sun.corba.se.impl.protocol.giopmsgheaders.RequestMessage_1_2.callback(RequestMessage_1_2.java:181)
at com.sun.corba.se.impl.protocol.CorbaMessageMediatorImpl.handleRequest(CorbaMessageMediatorImpl.java:694)
at com.sun.corba.se.impl.transport.SocketOrChannelConnectionImpl.dispatch(SocketOrChannelConnectionImpl.java:451)
at com.sun.corba.se.impl.transport.SocketOrChannelConnectionImpl.doWork(SocketOrChannelConnectionImpl.java