Run a Java Application as a Service on Linux
I wrote another simple wrapper here:
#!/bin/sh
SERVICE_NAME=MyService
PATH_TO_JAR=/usr/local/MyProject/MyJar.jar
PID_PATH_NAME=/tmp/MyService-pid
case $1 in
start)
echo "Starting $SERVICE_NAME ..."
if [ ! -f $PID_PATH_NAME ]; then
nohup java -jar $PATH_TO_JAR /tmp 2>> /dev/null >> /dev/null &
echo $! > $PID_PATH_NAME
echo "$SERVICE_NAME started ..."
else
echo "$SERVICE_NAME is already running ..."
fi
;;
stop)
if [ -f $PID_PATH_NAME ]; then
PID=$(cat $PID_PATH_NAME);
echo "$SERVICE_NAME stoping ..."
kill $PID;
echo "$SERVICE_NAME stopped ..."
rm $PID_PATH_NAME
else
echo "$SERVICE_NAME is not running ..."
fi
;;
restart)
if [ -f $PID_PATH_NAME ]; then
PID=$(cat $PID_PATH_NAME);
echo "$SERVICE_NAME stopping ...";
kill $PID;
echo "$SERVICE_NAME stopped ...";
rm $PID_PATH_NAME
echo "$SERVICE_NAME starting ..."
nohup java -jar $PATH_TO_JAR /tmp 2>> /dev/null >> /dev/null &
echo $! > $PID_PATH_NAME
echo "$SERVICE_NAME started ..."
else
echo "$SERVICE_NAME is not running ..."
fi
;;
esac
You can follow a full tutorial for init.d here and for systemd (ubuntu 16+) here
If you need the output log replace the 2
nohup java -jar $PATH_TO_JAR /tmp 2>> /dev/null >> /dev/null &
lines for
nohup java -jar $PATH_TO_JAR >> myService.out 2>&1&
How do I run Java as a service on Ubuntu?
I don't mean to sidetrack, but I've deployed Java applications on Ubuntu in production since 2010 and had very little success with Upstart. I use init.d scripts and start-stop-daemon. Side bonus: it works on more distros.
Create /etc/init.d/my-java-app:
#!/bin/sh
#
# my-java-app My Java App
#
# chkconfig: - 80 05
# description: Enable My Java Application
#
### BEGIN INIT INFO
# Provides: my-java-app
# Required-Start: $remote_fs $network
# Required-Stop: $remote_fs $network
# Default-Start: 2 3 4 5
# Default-Stop: 0 1 6
# Description: My Java Application
# Short-Description: Enable My Java Application
### END INIT INFO
DESC="my java app"
NAME=my-java-app
PIDFILE=/var/run/$NAME.pid
RUN_AS=ubuntu
WORK_DIR=/home/ubuntu/admin
DAEMON=/usr/bin/mvn
DAEMON_OPTS="spring-boot:run"
# Read configuration variable file if it is present
[ -r /etc/default/$NAME ] && . /etc/default/$NAME
# Load the VERBOSE setting and other rcS variables
. /lib/init/vars.sh
# Define LSB log_* functions.
# Depend on lsb-base (>= 3.2-14) to ensure that this file is present
# and status_of_proc is working.
. /lib/lsb/init-functions
do_start() {
start-stop-daemon --start --quiet --make-pidfile --pidfile $PIDFILE \
--background \
--chuid $RUN_AS \
--chdir $WORK_DIR \
--exec $DAEMON -- $DAEMON_OPTS
}
do_stop() {
start-stop-daemon --stop --quiet --pidfile $PIDFILE
if [ -e $PIDFILE ]
then rm $PIDFILE
fi
}
case "$1" in
start)
echo -n "Starting $DESC: $NAME"
do_start
echo "."
;;
stop)
echo -n "Stopping $DESC: $NAME"
do_stop
echo "."
;;
restart)
echo -n "Restarting $DESC: $NAME"
do_stop
sleep 1
do_start
echo "."
;;
status)
status_of_proc -p $PIDFILE "$DAEMON" "$NAME" && exit 0 || exit $?
;;
*)
echo "usage: $NAME {start|stop|restart}"
exit 1
;;
esac
Make it belong to root, make it executable, and set it up to run on startup with:
sudo chown root:root /etc/init.d/my-java-app
sudo chmod 755 /etc/init.d/my-java-app
sudo update-rc.d my-java-app defaults
To start the service you can run:
sudo service my-java-app start
To stop the service you can run:
sudo service my-java-app stop
This is based on a simplified version of the /etc/init.d/skeleton file included by Ubuntu.
The man page for start-stop-daemon is worth looking at if you want to tweak this further.b
How to run Java application on startup of Ubuntu Linux
Ideally you should create a service wrapper for your java application and then make this service run on startup example here.
Usesudo update-rc.d mytestserv defaults
to run your service wrapper on startup on Ubuntu
Start a jar file like service in linux
You need a Service Wrapper to run the Jar file.
There are examples and instructions for init.d here. or for systemd (ubuntu 16+) here
Linux start-up script for java application
If you want to run the app as linux daemon (service) checkout Java Wrapper: http://wrapper.tanukisoftware.com/doc/english/download.jsp
Check this answer too (is for windows, but for linux changes a little bit): How to install a Java application as a service
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