IllegalAccessError accessing com.sun.xml.bind.v2.runtime.reflect.opt.Const

16:27:05,412 ERROR [[HelloWS]] Servlet.service() for servlet HelloWS threw exception
java.lang.IllegalAccessError: tried to access class com.sun.xml.bind.v2.runtime.reflect.opt.Const from class com.redhat.gss.ws.Cat$JaxbAccessorM_getAge_setAge_int
        at com.redhat.gss.ws.Cat$JaxbAccessorM_getAge_setAge_int.set(MethodAccessor_Integer.java:59)
        at com.sun.xml.bind.v2.runtime.unmarshaller.XsiNilLoader$Single.onNil(XsiNilLoader.java:92)
        at com.sun.xml.bind.v2.runtime.unmarshaller.XsiNilLoader.selectLoader(XsiNilLoader.java:67)
        at com.sun.xml.bind.v2.runtime.unmarshaller.ProxyLoader.startElement(ProxyLoader.java:53)
        at com.sun.xml.bind.v2.runtime.unmarshaller.UnmarshallingContext._startElement(UnmarshallingContext.java:455)
        at com.sun.xml.bind.v2.runtime.unmarshaller.UnmarshallingContext.startElement(UnmarshallingContext.java:433)
        at com.sun.xml.bind.v2.runtime.unmarshaller.InterningXmlVisitor.startElement(InterningXmlVisitor.java:71)
        at com.sun.xml.bind.v2.runtime.unmarshaller.SAXConnector.startElement(SAXConnector.java:137)
        at com.sun.xml.bind.unmarshaller.DOMScanner.visit(DOMScanner.java:240)
        at com.sun.xml.bind.unmarshaller.DOMScanner.visit(DOMScanner.java:277)
        at com.sun.xml.bind.unmarshaller.DOMScanner.visit(DOMScanner.java:246)
        at com.sun.xml.bind.unmarshaller.DOMScanner.visit(DOMScanner.java:277)
        at com.sun.xml.bind.unmarshaller.DOMScanner.visit(DOMScanner.java:246)
        at com.sun.xml.bind.unmarshaller.DOMScanner.scan(DOMScanner.java:123)
        at com.sun.xml.bind.v2.runtime.unmarshaller.UnmarshallerImpl.unmarshal0(UnmarshallerImpl.java:314)
        at com.sun.xml.bind.v2.runtime.unmarshaller.UnmarshallerImpl.unmarshal(UnmarshallerImpl.java:293)
        at com.sun.xml.bind.v2.runtime.unmarshaller.UnmarshallerImpl.unmarshal(UnmarshallerImpl.java:244)
        at org.jboss.ws.core.jaxws.JAXBDeserializer.deserialize(JAXBDeserializer.java:71)
        at org.jboss.ws.core.binding.DeserializerSupport.deserialize(DeserializerSupport.java:61)
        at org.jboss.ws.core.soap.XMLContent.unmarshallObjectContents(XMLContent.java:179)
        at org.jboss.ws.core.soap.XMLContent.transitionTo(XMLContent.java:96)
        at org.jboss.ws.core.soap.SOAPContentElement.transitionTo(SOAPContentElement.java:140)
        at org.jboss.ws.core.soap.SOAPBodyElementDoc.transitionTo(SOAPBodyElementDoc.java:85)
        at org.jboss.ws.core.soap.SOAPContentElement.getObjectValue(SOAPContentElement.java:172)
        at org.jboss.ws.core.EndpointInvocation.transformPayloadValue(EndpointInvocation.java:273)
        at org.jboss.ws.core.EndpointInvocation.getRequestParamValue(EndpointInvocation.java:115)
        at org.jboss.ws.core.EndpointInvocation.getRequestPayload(EndpointInvocation.java:135)
        at org.jboss.ws.core.server.DelegatingInvocation.getArgs(DelegatingInvocation.java:80)
        at org.jboss.wsf.container.jboss50.invocation.InvocationHandlerJSE.invoke(InvocationHandlerJSE.java:108)
        at org.jboss.ws.core.server.ServiceEndpointInvoker.invoke(ServiceEndpointInvoker.java:221)
        at org.jboss.wsf.stack.jbws.RequestHandlerImpl.processRequest(RequestHandlerImpl.java:468)
        at org.jboss.wsf.stack.jbws.RequestHandlerImpl.handleRequest(RequestHandlerImpl.java:293)
        at org.jboss.wsf.stack.jbws.RequestHandlerImpl.doPost(RequestHandlerImpl.java:203)
        at org.jboss.wsf.stack.jbws.RequestHandlerImpl.handleHttpRequest(RequestHandlerImpl.java:129)
        at org.jboss.wsf.common.servlet.AbstractEndpointServlet.service(AbstractEndpointServlet.java:85)
        at javax.servlet.http.HttpServlet.service(HttpServlet.java:717)