java.lang.NullPointerException: This exception has no message.

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This exception has no message.
java.lang.NullPointerException:
at com.sun.corba.ee.impl.orbutil.ClassInfoCache$ClassInfo.(ClassInfoCache.java:156)
at com.sun.corba.ee.impl.orbutil.ClassInfoCache.get(ClassInfoCache.java:281)
at com.sun.corba.ee.impl.encoding.CDRInputStream_1_0.read_value(CDRInputStream_1_0.java:1097)
at com.sun.corba.ee.impl.encoding.CDRInputStream_1_0.read_value(CDRInputStream_1_0.java:935)
at com.sun.corba.ee.impl.encoding.CDRInputStream_1_0.read_abstract_interface(CDRInputStream_1_0.java:928)
at com.sun.corba.ee.impl.encoding.CDRInputStream_1_0.read_abstract_interface(CDRInputStream_1_0.java:918)
at com.sun.corba.ee.impl.encoding.CDRInputObject.read_abstract_interface(CDRInputObject.java:557)
at com.sun.corba.ee.impl.util.Utility.readAbstractAndNarrow(Utility.java:1026)
at com.sun.corba.ee.impl.io.IIOPInputStream.inputObjectField(IIOPInputStream.java:2157)
at com.sun.corba.ee.impl.io.IIOPInputStream.inputClassFields(IIOPInputStream.java:2404)
at com.sun.corba.ee.impl.io.IIOPInputStream.inputObject(IIOPInputStream.java:1224)
at com.sun.corba.ee.impl.io.IIOPInputStream.simpleReadObject(IIOPInputStream.java:425)
at com.sun.corba.ee.impl.io.ValueHandlerImpl.readValueInternal(ValueHandlerImpl.java:308)
at com.sun.corba.ee.impl.io.ValueHandlerImpl.readValue(ValueHandlerImpl.java:274)
at com.sun.corba.ee.impl.encoding.CDRInputStream_1_0.readRMIIIOPValueType(CDRInputStream_1_0.java:1015)
at com.sun.corba.ee.impl.encoding.CDRInputStream_1_0.read_value(CDRInputStream_1_0.java:1123)
at com.sun.corba.ee.impl.encoding.CDRInputStream_1_0.read_value(CDRInputStream_1_0.java:935)
at com.sun.corba.ee.impl.encoding.CDRInputObject.read_value(CDRInputObject.java:525)
at com.sun.corba.ee.impl.corba.TCUtility.unmarshalIn(TCUtility.java:289)
at com.sun.corba.ee.impl.corba.AnyImpl.read_value(AnyImpl.java:605)
at com.sun.corba.ee.impl.encoding.CDRInputStream_1_0.read_any(CDRInputStream_1_0.java:775)
at com.sun.corba.ee.impl.encoding.CDRInputObject.read_any(CDRInputObject.java:482)
at com.sun.corba.ee.impl.javax.rmi.CORBA.Util.readAny(Util.java:452)
at com.sun.corba.ee.impl.io.ValueHandlerImpl.read_Array(ValueHandlerImpl.java:639)
at com.sun.corba.ee.impl.io.ValueHandlerImpl.readValueInternal(ValueHandlerImpl.java:305)
at com.sun.corba.ee.impl.io.ValueHandlerImpl.readValue(ValueHandlerImpl.java:274)
at com.sun.corba.ee.impl.encoding.CDRInputStream_1_0.readRMIIIOPValueType(CDRInputStream_1_0.java:1015)
at com.sun.corba.ee.impl.encoding.CDRInputStream_1_0.read_value(CDRInputStream_1_0.java:1123)
at com.sun.corba.ee.impl.encoding.CDRInputStream_1_0.read_value(CDRInputStream_1_0.java:935)
at com.sun.corba.ee.impl.encoding.CDRInputObject.read_value(CDRInputObject.java:525)
at com.sun.corba.ee.impl.copyobject.ORBStreamObjectCopierImpl.copy(ORBStreamObjectCopierImpl.java:78)
at com.sun.corba.ee.impl.orbutil.copyobject.FallbackObjectCopierImpl.copy(FallbackObjectCopierImpl.java:69)
at com.sun.corba.ee.impl.javax.rmi.CORBA.Util.copyObject(Util.java:771)
at com.sun.corba.ee.impl.javax.rmi.CORBA.Util.copyObjects(Util.java:742)
at com.sun.corba.ee.impl.presentation.rmi.DynamicMethodMarshallerImpl.copyArguments(DynamicMethodMarshallerImpl.java:439)
at com.sun.corba.ee.impl.presentation.rmi.StubInvocationHandlerImpl.privateInvoke(StubInvocationHandlerImpl.java:227)
at com.sun.corba.ee.impl.presentation.rmi.StubInvocationHandlerImpl.invoke(StubInvocationHandlerImpl.java:152)

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