Java 如何关闭 Windows 7 中打开的端口？
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How do i close an opened port in Windows 7?
提问by Alejandro
when i try to start my java based server there is a message that says the port is already in use... And all my java web servers are stopped... So if anyone can help me i will appreciate it...
当我尝试启动基于 Java 的服务器时，有一条消息说该端口已在使用中......我所有的 Java Web 服务器都已停止......所以如果有人能帮助我，我将不胜感激......
采纳答案by Jim Brissom
If there is really still a process that has the port open, you can easily check for that (and close the process) via TCPView. It might be that the port is just lingering (for example due to not being shutdown properly), in which case you'd have to wait for the socket to close and check that the code is clear with regard to that.
如果确实仍有一个进程打开了端口，您可以通过TCPView轻松检查（并关闭进程）。可能是该端口只是挥之不去（例如，由于未正确关闭），在这种情况下，您必须等待套接字关闭并检查代码是否清楚。
回答by CrazyDart
回答by Anup
I was trying to establish socket communication between PC(JAVA Server)<-->Android(Client)
on Debugging, popped the problem : Address already in use
instant/feasible resolutioni found out was to:
我试图
在调试时在PC（JAVA 服务器）<--> Android（客户端）之间建立套接字通信
，但出现了问题：我发现Address already in use
即时/可行的解决方案是：
- run cmdas adminstrator
- netstat -abn
- find the process listening to the port of intrest
- terminate the process from task manager
- 以管理员身份运行cmd
- netstat -abn
- 找到监听端口的进程
- 从任务管理器终止进程
PS : Unlike from an external application mentioned in previous answers, steps in this answer allows you to find out the used ports with the resources already present.
PS：与先前答案中提到的外部应用程序不同，此答案中的步骤允许您找出已使用资源的已使用端口。
