Several ports (8080, 8009) required by Tomcat v6.0 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 or change the port number(s).
1. 在dos下，输入：
netstat -ano|findstr 8080
//说明：查看占用8080端口的进程，显示占用端口的进程
2. 在dos下，输入：
taskkill /pid 6856 /f
//说明，运行windows自带taskkill命令，将上面显示的进程号，结束掉。
截图如下所示:
怎么解决tomcat占用8080端口问题到此结束，，不用重启计算机了。
原文：http://www.cnblogs.com/longshiyVip/p/4989591.html