一、报错信息

localhost:8080 is already in use

Port 8080 required by Tomcat v8.0 Server at localhost is 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).

Error running Tomcat8: Address localhost:8080 is already in use

一、分析并解决问题

电脑中 8080 端口被占用,导致 web 项目不能运行

任务管理器关闭占用 8080 端口的程序

netstat -ano

tasklist


任务管理器