【SpringBoot】Web server failed to start. Port 8080 was already in use.

问题描述

SpringBoot启动Web服务器失败。

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APPLICATION FAILED TO START
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Description:

Web server failed to start. Port 8080 was already in use.

Action:

Identify and stop the process that's listening on port 8080 or configure this application to listen on another port.

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原因分析

8080端口被占用。查询到居然是QQ占用8080端口。

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解决方案

打开cmd。

netstat -ano|findstr 8080

  TCP    192.168.1.29:7180      119.147.190.138:8080   ESTABLISHED     17612

tasklist |findstr 17612

QQ.exe                       17612 Console                    1    203,024 K

taskkill /pid 17612 /f

成功: 已终止 PID 为 17612 的进程。