@Produces({MediaType.APPLICATION_XML, MediaType.APPLICATION_JSON})
public Response getAllUsers() {
AiravataRegistry2 airavataRegistry = RegPoolUtils.acquireRegistry(context);
try {
List<AiravataUser> users = airavataRegistry.getUsers();
UserList userList = new UserList();
userList.setUserList(users);
if (users.size() != 0) {
Response.ResponseBuilder builder = Response.status(Response.Status.OK);
builder.entity(userList);
return builder.build();
} else {