System.out.println("testSyncSend, url=" + url);
String method = "multiply";
ObjectNode params = JOM.createObjectNode();
params.put("a", new Double(3));
params.put("b", new Double(4.5));
System.out.println("testSyncXMPP, request=" + new JSONRequest(method, params));
Double result = send(url, method, params, Double.class);
System.out.println("testSyncXMPP result=" + result);
try {
ObjectNode messageParams = JOM.createObjectNode();
messageParams.put("result", result);