Linux 系统下 tomca 启动过慢 以及dakaitomcat出现无法 访问的情况

废话较多,主要写的我折腾的事儿,不想看可以直接跳过看最后就有方法,也可以直接去看 点我~ 最近刚开始学习linux,安装了tomcat后 ,常常是打开Tomcat后,ip+端口号 访问不到, 网上百般搜索过后,有的说防火墙开启着 | | 端口号占用着 | | 没有完全关闭 种种 我都试了一遍 ,但·······················································································································································