ct.addSecurityContext("myproxy", gsiSecurityContext);
ct.setServiceName("{http://www.extreme.indiana.edu/namespaces/2004/01/gFac}Echo_Service");
//parameter
ParameterContextImpl x = new ParameterContextImpl();
StringParameter parameter = new StringParameter();
parameter.fromString("Hello");
x.addParameter("echo", parameter.getTypeName(), parameter);
ct.addMessageContext("input", x);
PropertiesBasedServiceImpl service = new PropertiesBasedServiceImpl();
service.init();
service.execute(ct);