问Java编程请求SOAP服务问题

EN

    System.out.println("hey now!!!!");

    try {
        SOAPConnectionFactory scf = SOAPConnectionFactory.newInstance();
        SOAPConnection connection = scf.createConnection();     

        MessageFactory mf = MessageFactory.newInstance();
        SOAPMessage message = mf.createMessage();
        SOAPBody body = message.getSOAPBody();  

        SOAPHeader header = message.getSOAPHeader();

        SOAPElement getOpenPOs = body.addChildElement("GetOpenPOs", "", "https://www.autocrib.net");

        SOAPElement U = getOpenPOs.addChildElement("U");
        U.addTextNode("u");
        SOAPElement P = getOpenPOs.addChildElement("P");
        P.addTextNode("p");
        SOAPElement N = getOpenPOs.addChildElement("N");
        N.addTextNode("n");         
        SOAPElement Processed = getOpenPOs.addChildElement("Processed");
        Processed.addTextNode("false");
        SOAPElement StationEnd = getOpenPOs.addChildElement("StationEnd");
        StationEnd.addTextNode("");         
        SOAPPart sp = message.getSOAPPart();
        SOAPEnvelope envelope = sp.getEnvelope();

        //MimeHeaders headers = message.getMimeHeaders();
        //header.setHeader("Content-Type", "text/xml");
        //message.getMimeHeaders().addHeader("SOAPAction", "GetOpenPOs");
        message.getMimeHeaders().addHeader("Content-Type", "text/xml");
        header.setAttribute("Content-Type", "text/xml");

        message.saveChanges();

        System.out.println("Envelope Body");

        message.writeTo(System.out);
        System.out.println();

        SOAPMessage reply = connection.call(message, 
                "https://www24.autocrib.net/WebServices/AutoCribWS.asmx");

        //String reply2 = connection.call(message, "https://www24.autocrib.net/WebServices/AutoCribWS.asmx").toString();

        //sp = reply.getSOAPPart();
        //envelope = sp.getEnvelope();
        //body = envelope.getBody();

        //System.out.println(body.toString());
        System.out.println("Done!!!!!!!!!!!!!!!!!!!");

    } catch (Throwable t) {
        System.out.println("Something went wrong!!! " + t.toString());
    }
}