windows端口被占用

常见报错

Unable to open debugger port (127.0.0.1:52209): java.net.SocketException 
"Interrupted function call: accept failed"

8080 port already

解决办法

• cmd查看端口占用情况

netstat -aon|findstr “8081”

• 杀死进程

taskkill -f -pid 7950