@PropertySources({
      @PropertySource(name = "arm", value = "${propertySource}")
})
public class SecurityConfig extends WebSecurityConfigurerAdapter {

mvn -DpropertySource=file:/etc/jetty/arm.properties jetty:stop jetty:run

# sudo service jetty9 start

--exec
-DpropertySource=file:/etc/jetty/arm.properties

#service jetty9 start 
[FAIL] Starting Jetty 9 Servlet Engine: jetty9 failed! 

$ cd /path/to/mybase
$ java -jar /path/to/jetty-dist/start.jar --add-to-start=resources

  @PropertySources({
      @PropertySource(name = "arm", value = "file:/etc/jetty/arm.properties")
})
public class SecurityConfig extends WebSecurityConfigurerAdapter {

ps -aux| grep java
jetty    28004  101 48.3 2480472 506772 ?      Sl   13:48   0:12 /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Xmx256m -Djava.awt.headless=true -Djava.io.tmpdir=/var/cache/jetty9/data -Djava.library.path=/usr/lib -Djetty.home=/usr/share/jetty9 -Djetty.logs=/var/log/jetty9 -Djetty.state=/var/lib/jetty9/jetty.state -jar /usr/share/jetty9/start.jar --daemon jetty-logging.xml jetty-started.xml

/etc/default# cat jetty9 
# change to 1 to prevent Jetty from starting
NO_START=0

# change to 'no' or uncomment to use the default setting in /etc/default/rcS 
VERBOSE=yes

# Run Jetty as this user ID (default: jetty)
# Set this to an empty string to prevent Jetty from starting automatically
#JETTY_USER=jetty

# The home directory of the Java Runtime Environment (JRE). You need at least
# Java 6. If JAVA_HOME is not set, some common directories for OpenJDK and
# the Oracle JDK are tried.
#JAVA_HOME=

# Extra options to pass to the JVM
#JAVA_OPTIONS="-Xmx256m -Djava.awt.headless=true"

# Timeout in seconds for the shutdown of all webapps
#JETTY_SHUTDOWN=30

# Additional arguments to pass to Jetty
#JETTY_ARGS=

# Jetty uses a directory to store temporary files like unpacked webapps
#JETTY_TMP=/var/cache/jetty9

# Default for number of days to keep old log files in /var/log/jetty9/
#LOGFILE_DAYS=14

# If you run Jetty on port numbers that are all higher than 1023, then you
# do not need authbind. It is used for binding Jetty to lower port numbers.
# (yes/no, default: no)
#AUTHBIND=yes