eclipse启动tomcat时，提示：
Several ports (8005, 8080, 8009) required by Tomcat v9.0 Server at localhost are already in use. The server may already be 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
解决：
进入本地tomcat的安装目录找到 tomcat安装目录/conf/server.xml
编辑，把8005, 8080, 8009全部改为8885, 8888, 8889，再重启Tomcat