init.d script to manage New Relic MySQL plugin (java)

newrelic-mysql.sh

#!/bin/bash
### BEGIN INIT INFO
# Provides: newrelic-mysql
# Required-Start: $local_fs $remote_fs $network $syslog $named
# Required-Stop: $local_fs $remote_fs $network $syslog $named
# Default-Start: 2 3 4 5
# Default-Stop: 0 1 6
# X-Interactive: true
# Short-Description: Start/stop New Relic MySQL plugin
### END INIT INFO

DIR=/root/newrelic_mysql_plugin-2.0.0
NAME=newrelic-mysql
PID=/var/run/$NAME.pid
JAVA=/usr/bin/java
JAVA_OPTS="-Xmx128m -server -jar plugin.jar"
LOG=/var/log/$NAME.log
USER=www-data


case $1 in
    start)
        echo -n "Starting $NAME ... "
        
        if [ ! -f $PID ]; then
            cd $DIR
            nohup $JAVA $JAVA_OPTS 2>&1 > $LOG &
            
            PROCESS_ID=$! 
            
            if kill -0 $PROCESS_ID > /dev/null 2>&1; then
                echo $PROCESS_ID > $PID
		echo ".. OK (pid $PROCESS_ID)"
            else
                echo "failed to start $NAME!"
            fi
        else
            echo "$NAME is already running!"
        fi
;;
    stop)
        if [ -f $PID ]; then
            PROCESS_ID=$(cat $PID);
            echo "Stopping $NAME (pid $PROCESS_ID) ..."
            kill $PROCESS_ID
            rm $PID
        else
            echo "$NAME is not running ..."
        fi
;;
esac