String jsonRequest = "{\"echoPerson\":{\"arg0\":{\"name\":\"Simon\",\"age\":\"35\",\"gender\":\"male\"}}}";
JsonReader jsonReader = new JsonReader(new InputStreamReader(new ByteArrayInputStream(jsonRequest.getBytes()),"UTF-8"));
gsonXMLStreamReader = new GsonXMLStreamReader(jsonReader);
messageReceiver = new RPCMessageReceiver();
axisOperation.setMessageReceiver(messageReceiver);
messageContext.setProperty(JsonConstant.IS_JSON_STREAM, true);
messageContext.setProperty(JsonConstant.GSON_XML_STREAM_READER, gsonXMLStreamReader);