问题： Several ports (8005, 8080, 8009) required by Tomcat v8.5 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 or change the port number(s).
解决： Window =>Show View =》Other =》Server =》Open
双击后，显示如下：
问题解决！
