https://github.com/cowboyd/therubyrhino/issues/18

Gemfile

source 'https://rubygems.org'

gem 'rails', '3.2.3'

# Bundle edge Rails instead:
# gem 'rails', :git => 'git://github.com/rails/rails.git'

gem 'activerecord-jdbcsqlite3-adapter'

gem 'jruby-openssl'
gem 'json'

# Gems used only for assets and not required
# in production environments by default.
group :assets do
  #gem 'sass-rails',   '~> 3.2.3'
  #gem 'coffee-rails', '~> 3.2.1'
  #gem 'uglifier', '>= 1.0.3'
  
  gem 'less', :git => 'git://github.com/kares/less.rb.git', :submodules => true
  gem 'less-rails', '>= 2.2.1'
  gem 'less-rails-bootstrap' # optional
  
  gem 'therubyracer', :platforms => :ruby
  gem 'therubyrhino', :platforms => :jruby
end

gem 'jquery-rails'

# To use ActiveModel has_secure_password
# gem 'bcrypt-ruby', '~> 3.0.0'

# To use Jbuilder templates for JSON
# gem 'jbuilder'

# Use unicorn as the app server
# gem 'unicorn'

# Deploy with Capistrano
# gem 'capistrano'

# To use debugger
# gem 'ruby-debug'

Gemfile.lock

GIT
  remote: git://github.com/kares/less.rb.git
  revision: 9d1a24f2e73ef6b0c60a213cbb912d41dd604534
  submodules: true
  specs:
    less (2.1.0)

GEM
  remote: https://rubygems.org/
  specs:
    actionmailer (3.2.3)
      actionpack (= 3.2.3)
      mail (~> 2.4.4)
    actionpack (3.2.3)
      activemodel (= 3.2.3)
      activesupport (= 3.2.3)
      builder (~> 3.0.0)
      erubis (~> 2.7.0)
      journey (~> 1.0.1)
      rack (~> 1.4.0)
      rack-cache (~> 1.2)
      rack-test (~> 0.6.1)
      sprockets (~> 2.1.2)
    activemodel (3.2.3)
      activesupport (= 3.2.3)
      builder (~> 3.0.0)
    activerecord (3.2.3)
      activemodel (= 3.2.3)
      activesupport (= 3.2.3)
      arel (~> 3.0.2)
      tzinfo (~> 0.3.29)
    activerecord-jdbc-adapter (1.2.2)
    activerecord-jdbcsqlite3-adapter (1.2.2)
      activerecord-jdbc-adapter (~> 1.2.2)
      jdbc-sqlite3 (~> 3.7.2)
    activeresource (3.2.3)
      activemodel (= 3.2.3)
      activesupport (= 3.2.3)
    activesupport (3.2.3)
      i18n (~> 0.6)
      multi_json (~> 1.0)
    arel (3.0.2)
    bouncy-castle-java (1.5.0146.1)
    builder (3.0.0)
    erubis (2.7.0)
    hike (1.2.1)
    i18n (0.6.0)
    jdbc-sqlite3 (3.7.2)
    journey (1.0.3)
    jquery-rails (2.0.2)
      railties (>= 3.2.0, < 5.0)
      thor (~> 0.14)
    jruby-openssl (0.7.6.1)
      bouncy-castle-java (>= 1.5.0146.1)
    json (1.6.6)
    json (1.6.6-java)
    less-rails (2.2.1)
      actionpack (>= 3.1)
      less (~> 2.1.0)
    less-rails-bootstrap (2.0.10)
      less-rails (~> 2.2.0)
    mail (2.4.4)
      i18n (>= 0.4.0)
      mime-types (~> 1.16)
      treetop (~> 1.4.8)
    mime-types (1.18)
    multi_json (1.3.2)
    polyglot (0.3.3)
    rack (1.4.1)
    rack-cache (1.2)
      rack (>= 0.4)
    rack-ssl (1.3.2)
      rack
    rack-test (0.6.1)
      rack (>= 1.0)
    rails (3.2.3)
      actionmailer (= 3.2.3)
      actionpack (= 3.2.3)
      activerecord (= 3.2.3)
      activeresource (= 3.2.3)
      activesupport (= 3.2.3)
      bundler (~> 1.0)
      railties (= 3.2.3)
    railties (3.2.3)
      actionpack (= 3.2.3)
      activesupport (= 3.2.3)
      rack-ssl (~> 1.3.2)
      rake (>= 0.8.7)
      rdoc (~> 3.4)
      thor (~> 0.14.6)
    rake (0.9.2.2)
    rdoc (3.12)
      json (~> 1.4)
    sprockets (2.1.2)
      hike (~> 1.2)
      rack (~> 1.0)
      tilt (~> 1.1, != 1.3.0)
    therubyrhino (1.73.2)
    thor (0.14.6)
    tilt (1.3.3)
    treetop (1.4.10)
      polyglot
      polyglot (>= 0.3.1)
    tzinfo (0.3.33)

PLATFORMS
  java

DEPENDENCIES
  activerecord-jdbcsqlite3-adapter
  jquery-rails
  jruby-openssl
  json
  less!
  less-rails (>= 2.2.1)
  less-rails-bootstrap
  rails (= 3.2.3)
  therubyracer
  therubyrhino