Loophole - Model-View-Controller Framework
Open-JDK / Oracle-JDK - 1.9 or greater
apt-get install openjdk-9-jdk
http://www.oracle.com/technetwork/java/javase/downloads/index.html
Maven 3 or greater
apt-get install maven
Export environment variables
export JAVA_HOME=/path/to/jdk
export M2_HOME=/path/to/maven
export PATH=$JAVA_HOME/bin:$M2_HOME/bin:$PATH
In the directory that contains the pom.xml run
mvn clean package install