linux脚本启动停止java 服务

#!/bin/sh

java env

export JAVA_HOME=/usr/local/java/jdk1.7.0_72
export JRE_HOME=$JAVA_HOME/jre

service name

APP_NAME=user

SERVICE_DIR=/home/wusc/edu/service/ $APP_NAME SERVICE_NAME=edu-service-$APP_NAME
JAR_NAME=KaTeX parse error: Can't use function '\.' in math mode at position 13: SERVICE_NAME\̲.̲jar PID=SERVICE_NAME.pid

cd $SERVICE_DIR

case “$1” in

start)
    nohup $JRE_HOME/bin/java -Xms256m -Xmx512m -jar $JAR_NAME >/dev/null 2>&1 &
    echo $! > $SERVICE_DIR/$PID
    echo "=== start $SERVICE_NAME"
    ;;

stop)
    kill `cat $SERVICE_DIR/$PID`
    rm -rf $SERVICE_DIR/$PID
    echo "=== stop $SERVICE_NAME"

    sleep 5
	##
	## edu-service-aa.jar
	## edu-service-aa-bb.jar
    P_ID=`ps -ef | grep -w "$SERVICE_NAME" | grep -v "grep" | awk '{print $2}'`
    if [ "$P_ID" == "" ]; then
        echo "=== $SERVICE_NAME process not exists or stop success"
    else
        echo "=== $SERVICE_NAME process pid is:$P_ID"
        echo "=== begin kill $SERVICE_NAME process, pid is:$P_ID"
        kill -9 $P_ID
    fi
    ;;

restart)
    $0 stop
    sleep 2
    $0 start
    echo "=== restart $SERVICE_NAME"
    ;;

*)
    ## restart
    $0 stop
    sleep 2
    $0 start
    ;;

esac
exit 0