windows （.bat）:
@set port=8080
@echo %port%
for /f "tokens=5" %%i in ('netstat -aon ^| findstr %port%') do (
set n=%%i
goto js
)
:js
taskkill /f /pid %n%
java -jar XXXXXXXX.jar --server.port=%port%
linux （.sh）
#!/bin/bash
jar_pid=`ps -ef|grep -v grep | grep 'java -jar XXXXXX.jar '|awk '{ print $2 }'`
echo $jar_pid
if [ ! -n "$jar_pid" ]; then
echo 'will redploy.'
#cd portal-webserver/
rm -rf nohup.out
nohup java -jar XXXXXX.jar &
echo 'redploy success0.'
else
kill -9 $jar_pid
echo 'kill' $jar_pid
#cd dir/
rm -rf nohup.out
nohup java -jar XXXXX.jar &
echo 'redploy success1.'
fi