Idea运行Spring项目报错 “Web server failed to start. Port 8080 was already in use.”（二）

【日期】：2020/4/7 【问题】：续上次修改端口后（Idea运行Spring项目报错 “Web server failed to start. Port 8080 was already in use.”（一）），重启后，又发现新的错误 APPLICATION FAILED TO START 　 Description: 　 Web server failed to start. Port 8

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