require_java 8
install_package "jruby-9.2.4.1" "https://s3.amazonaws.com/jruby.org/downloads/9.2.4.1/jruby-bin-9.2.4.1.tar.gz#c89821120d74f17f90c9bc346cc7bd1278df623fc1fe60ea3b5c0a8a01360d5b" jruby