Several ports (8080, 8009) required by Tomcat v9.0 Server at localhost are already in use.解决方案

Several ports (8080, 8009) required by Tomcat v9.0 Server at localhost are already in use. The server may already b

e running in another process, or a system process may be using the port. To start this server you will need to stop the other process or cha

（本地主机上的Tomcat v9.0服务器所需的几个端口(8080、8009)已经在使用中。服务器可能已经b e运行在另一个进程中，或者系统进程可能正在使用该端口。要启动此服务器，您需要停止另一个进程或cha）