Spring Boot 報錯：Web server failed to start. Port 8080 was already in use.

報錯信息：Web server failed to start. Port 8080 was already in use.

報錯原因：端口被佔用。

解決方法：

解決方法一：修改端口; https://blog.csdn.net/zhouky1993/article/details/103974598

解決方法二：關閉佔用端口的進程。 https://blog.csdn.net/zhouky1993/article/details/103976320