MegaMek init script issue - Related to: https://github.com/predatorian3/megamek-install

errors.sh

[root@fenix-centos ~]# service megamek start
+ DAEMON=/opt/megamek-0.38.0/MegaMek.jar
+ DAEMONPATH=/usr/bin/java
+ DAEMONPATHARGS='-jar -Xmx768'
+ DAEMONARGS='-dedicated -port 2346'
+ NAME=megamek
+ PIDFILE=/var/run/megamek.pid
+ SCRIPTNAME=/etc/init.d/megamek
+ USER=megamek
+ case "$1" in
+ start
+ '[' '!' -e /usr/bin/java ']'
+ '[' '!' -e /opt/megamek-0.38.0/MegaMek.jar ']'
+ echo 'Starting megamek...'
Starting megamek...
++ su - megamek -c '/usr/bin/java -jar -Xmx768 /opt/megamek-0.38.0/MegaMek.jar -dedicated -port 2346 > /dev/null 2>&1 & echo $! '
+ PID=2462
+ '[' -z 2462 ']'
+ echo 2462
+ printf '%s\n' 'Ok, PIDFILE is written'
Ok, PIDFILE is written
[root@fenix-centos ~]# ps aux | grep megamek
root      2310  0.0  0.0  11092  3648 pts/0    S+   10:12   0:00 vim /etc/init.d/megamek
root      2465  0.0  0.0   4356   748 pts/1    S+   10:13   0:00 grep megamek
[root@fenix-centos ~]# service megamek start
+ DAEMON=/opt/megamek-0.38.0/MegaMek.jar
+ DAEMONPATH=/usr/bin/java
+ DAEMONPATHARGS='-jar -Xmx768'
+ DAEMONARGS='-dedicated -port 2346'
+ NAME=megamek
+ PIDFILE=/var/run/megamek.pid
+ SCRIPTNAME=/etc/init.d/megamek
+ USER=megamek
+ case "$1" in
+ start
+ '[' '!' -e /usr/bin/java ']'
+ '[' '!' -e /opt/megamek-0.38.0/MegaMek.jar ']'
+ echo 'Starting megamek...'
Starting megamek...
++ su - megamek -c '$DAEMONPATH $DAEMONPATHARGS $DAEMON $DAEMONARGS > /dev/null 2>&1 & echo $! '
+ PID=2558
+ '[' -z 2558 ']'
+ echo 2558
+ printf '%s\n' 'Ok, PIDFILE is written'
Ok, PIDFILE is written

megamek.sh

#!/bin/bash 
# chkconfig: 2345 99 01
# description: AppDynamics Machine Agent init script
#
set -x

# This is the name, or path to the executable
DAEMON="/opt/megamek-0.38.0/MegaMek.jar"
# This is the path to any precursor programs, for instance Java, or Bash
DAEMONPATH="/usr/bin/java"
# Daemon Path Args
DAEMONPATHARGS="-jar -Xmx768" 
# 
DAEMONARGS="-dedicated -port 2346"
# This is used to create the PID file and lock file
NAME="megamek"
# This is the location of the PID file
PIDFILE=/var/run/$NAME.pid
# This is the location of the init script
SCRIPTNAME=/etc/init.d/$NAME
# The user who will execute this script
USER="megamek"

start()
{
	# Check for the existance of the Daemon
	if [ ! -e $DAEMONPATH ]
	then
		echo "The file $DAEMONPATH does not exist."
		exit 2
	fi
	# Check for the existance of the Daemon executable
	if [ ! -e $DAEMON ]
	then
		echo "The file $DAEMON does not exist."
		exit 2
	fi
	echo "Starting $NAME..."
	# execute the command, and retrive the PID of the command
	PID=`su - $USER -c '$DAEMONPATH $DAEMONPATHARGS $DAEMON $DAEMONARGS > /dev/null 2>&1 & echo $! '`
    #echo "Saving PID" $PID " to " $PIDFILE
    if [ -z $PID ]
    then
        # If the PID is not available, the program failed to start
        printf "%s\n" "Failed to start"
        exit 3
    else
    	# If the PID is available, the program started.
        echo $PID > $PIDFILE
        printf "%s\n" "Ok, PIDFILE is written"
    fi
}

stop()
{
	# Kill them all
	echo "Stopping $NAME..."
	# Retrieve the PID from the PIDFILE
	PID=`cat $PIDFILE`
	if [ -f $PIDFILE ]
	then
		kill -HUP $PID
		echo "$NAME has stopped"
		rm -f $PIDFILE
	else
		echo "$PIDFILE not found"
	fi
}

status()
{
	# Show the running or stopped status of the process
	echo "Checking $NAME..."
	if [ -f $PIDFILE ]
	then
		PID=`cat $PIDFILE`
		if [ -z "`ps aux | grep ${PID} | grep -v grep`" ]
		then
			echo "Process is dead but pidfile exists"
		else
			echo "Running"
		fi
	else
		echo "Service $NAME is not running."
	fi
}

usage()
{
	# Spit the RTFM
	echo "Usage: $0 {start|stop|status|restart}"
	exit 1
}

case "$1" in 
	start)
		start
		;;
	stop)
		stop
		;;
	status)
		status
		;;
	restart)
		stop
		sleep 5
		start
		;;
	*)
		usage
		;;
esac