杀所占端口的进程

kill 4444 port process

 sudo netstat -nltp | grep ":4444 " | awk -F ' *' '{print $7}' | awk -F "/" '{print $1}' | xargs -L 1 sudo kill -9

kill java process

ps aux |grep java |grep -v "grep" |awk '{print $2}'|xargs kill -9