require_java 8
install_package "jruby-9.2.11.1" "https://s3.amazonaws.com/jruby.org/downloads/9.2.11.1/jruby-bin-9.2.11.1.tar.gz#f10449c82567133908e5e1ac076438307a7f0916f617f40fa314b78873a195dc" jruby