activerecord-jdbc-adapter is a database adapter for Rails\' ActiveRecord component that can be used with JRuby[http://www.jruby.org/]. It allows use of virtually any JDBC-compliant database with your JRuby on Rails application.
Nick Sieger, Ola Bini and JRuby contributors
gem "activerecord-jdbc-adapter", "~> 1.2.0"