原因:tomcat已启动,端口号8080被占有

打开终端输入 netstat -ano|findstr 8080 (寻找8080端口使用者)

IDEAtomcat报错:Error running ‘Tomcat‘: Address localhost:8080 is already in use
图片显示是4796
打开任务管理器
IDEAtomcat报错:Error running ‘Tomcat‘: Address localhost:8080 is already in use
找到PID为4796的,结束进程就可以了
IDEAtomcat报错:Error running ‘Tomcat‘: Address localhost:8080 is already in use

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