[hpm] error occurred while trying to proxy request /gettest from localhost:8080 to http://localhost:8084/ (econnrefused) (https://nodejs.org/api/errors.html#errors_common_system_errors)

[hpm]在尝试将请求从localhost:8080代理到http://localhost:8084/时发生错误（econnrefused）（https://nodejs.org/api/errors.html#errors_common_system_errors）。