if (bodyJson==null) return badRequest("The body payload cannot be empty.");
if (!bodyJson.has("password")) return badRequest("The 'password' field is missing into the body");
JsonNode passwordNode=bodyJson.findValue("password");
if (passwordNode==null) return badRequest("The body payload doesn't contain password field");
String password=passwordNode.asText();
try{
UserService.changePassword("admin", password);
} catch (SqlInjectionException e) {
return badRequest("The password is not valid");
} catch (UserNotFoundException e) {