Grails:解决“服务器无法为端口 8080 启动:地址已在使用中". [英] Grails: Resolving "Server failed to start for port 8080: Address already in use."

问题描述

我在尝试解决Server failed to start for port 8080: Address already in use"时遇到此错误

I'm getting this error when trying to resolve "Server failed to start for port 8080: Address already in use"

 Error executing script 8888: For input string: ""

有人可以帮忙吗?不知道怎么回事.谢谢.

Can anybody help? Don't know what's wrong. Thanks.

推荐答案

当8080端口已经被使用而你想复用同一个端口时，你应该杀掉它的进程:

When the port number 8080 is already used and you want to reuse the same port , you should kill its process :

首先，检查使用端口 8080 的进程的 pid.为此运行:

First, check the pid of the process that is using port 8080. To do this run:

lsof -w -n -i tcp:8080

在上面的例子中，使用端口 9090 的进程的 pid 是 3812

In the example above, the pid is 3812 for process that is using port 9090

注意PID.您机器上的 PID 可能不同.我们需要这个来执行下一个命令:

Take note of the PID. The PID could be different on your machine. We need this for executing the next command:

所以你必须通过 run-app 来测试它:

so you will have to test it via run-app:

grails run-app

更新:作为 lsof -w -n -i tcp:8080| 的输出awk '{print $2}'|awk 'END{print}' 是 PID, 可以通过PID自动杀死端口进程:

UPDATE : As the output of lsof -w -n -i tcp:8080| awk '{print $2}'|awk 'END{print}' is the PID , You can kill the port process by PID automatically :

 kill -9 `lsof -w -n -i tcp:8080| awk '{print $2}'|awk 'END{print}'`

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