reference.setInterface(DemoService.class);
reference.setUrl("dubbo://127.0.0.1:29581?generic=true");
DemoService demoService = reference.get();
try {
// say name
Assert.assertEquals("Generic Haha", demoService.sayName("Haha"));
// get users
List<User> users = new ArrayList<User>();
users.add(new User("Aaa"));
users = demoService.getUsers(users);
Assert.assertEquals("Aaa", users.get(0).getName());