public PaymentServiceClient(ConfigurationContext configCtx, String backendServerURL,
String cookie) throws AxisFault{
String serviceURL = backendServerURL + "StratosPayment";
stub = new StratosPaymentStub(configCtx, serviceURL);
ServiceClient client = stub._getServiceClient();
Options option = client.getOptions();
option.setManageSession(true);
option.setProperty(org.apache.axis2.transport.http.HTTPConstants.COOKIE_STRING, cookie);
}