Java部署项目时，启动脚本

#！/bin/bash
#start.sh

echo "======== start project  begin ========"  
JAR_FILE=$HOME/topo/tax-topo/tax-topo.jar
JAR_LOG=$HOME/topo/tax-topo/nohup.log
PID_NAME=tax-topo.jar

    if [ `ps -ef |grep $PID_NAME  |grep -v  grep  |wc -l` -ge 1 ];then
                echo "please kill $PID_NAME process, Try to start the script again."
                exit  1
    fi

nohup java -Xms1536m -Xmx1536m -XX:MaxPermSize=1536m -jar $JAR_FILE  >$JAR_LOG  2>&1 &

echo "======== start project end ========"
tail -f  $JAR_LOG