1, open the CMD command, input: netstat ano | findstr searches 8080 (tomcat port number)
TCP 0.0.0.0:8082 0.0.0.0:0 LISTENING 6276
This show is PID6276 process you will be looking for
2. CTRL + Alt +. The task manager: find pid 6276 above, the end of the change process,
3, it is good to restart Tomcat,