Web server failed to start. Port 8002 was already in use.

当出现"Web server failed to start. Port XXX was already in use."的错误提示时，表示指定的端口号已经被占用，无法启动Web服务器。解决这个问题有两个方法:

方法一是通过命令行查找占用指定端口的进程ID（PID），然后结束该进程。首先打开命令提示符(cmd)，然后输入以下命令来查找占用8002端口的进程ID(PID)：

netstat -ano | findstr :8002

找到对应端口后面的PID编号。然后使用以下命令结束该进程：

taskkill /F /pid [PID编号]

这样就可以释放端口，重新启动Web服务器。

方法二是通过任务管理器来查找并结束占用指定端口的进程。打开任务管理器，找到对应PID的任务，然后右击并选择结束任务。

使用以上两种方法之一，可以解决端口被占用导致Web服务器启动失败的问题。<span class="em">1</span><span class="em">2</span><span class="em">3</span>
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