一条命令解决macmnsvc.exe占用8081端口的问题

缘起 从前有一个SpringBoot程序,我启动了它。很不幸启动失败,报错如下: [2020-04-29 16:30:51.086] [main] [ERROR] [apache.catalina.core.StandardService:182 ] - Failed to start connector [Connector[HTTP/1.1-8081]] org.apache.catalina.LifecycleException: Failed to start component [Connector[HTTP/1.1-8081]] at org.apache.catalina.ut