Arun Gupta kicks thing off by announcing the latest JRuby release -- 1.1 -- with a few short installation steps. He then continues mentioning how its possible to leverage JRuby in the context of Glassfish and re-directs you to a more complete article on the subject entitled: Rails Powered by the GlassFish Application Server. Read Arun's complete post: http://weblogs.java.net/blog/arungupta/archive/2008/04/jruby_11_releas.html Read the article Rails Powered by the GlassFish Application Server. http://developers.sun.com/appserver/reference/techart/rails_gf/