thor warning in bundler when using rails generator under jruby-1.6.2

thor_bundler_rails3.1.0rc1_on_jruby-1.6.2

12:18 ~/work $ rails new myapp
      create  
      create  README
      create  Rakefile
      create  config.ru
      create  .gitignore
      create  Gemfile
      create  app
      create  app/assets/images/rails.png
      create  app/assets/javascripts/application.js
      create  app/assets/stylesheets/application.css
      create  app/controllers/application_controller.rb
      create  app/helpers/application_helper.rb
      create  app/mailers
      create  app/models
      create  app/views/layouts/application.html.erb
      create  app/mailers/.gitkeep
      create  app/models/.gitkeep
      create  config
      create  config/routes.rb
      create  config/application.rb
      create  config/environment.rb
      create  config/environments
      create  config/environments/development.rb
      create  config/environments/production.rb
      create  config/environments/test.rb
      create  config/initializers
      create  config/initializers/backtrace_silencers.rb
      create  config/initializers/inflections.rb
      create  config/initializers/mime_types.rb
      create  config/initializers/secret_token.rb
      create  config/initializers/session_store.rb
      create  config/initializers/wrap_parameters.rb
      create  config/locales
      create  config/locales/en.yml
      create  config/boot.rb
      create  config/database.yml
      create  db
      create  db/seeds.rb
      create  doc
      create  doc/README_FOR_APP
      create  lib
      create  lib/tasks
      create  lib/tasks/.gitkeep
      create  log
      create  log/.gitkeep
      create  public
      create  public/404.html
      create  public/422.html
      create  public/500.html
      create  public/favicon.ico
      create  public/index.html
      create  public/robots.txt
      create  script
      create  script/rails
      create  test/fixtures
      create  test/fixtures/.gitkeep
      create  test/functional
      create  test/functional/.gitkeep
      create  test/integration
      create  test/integration/.gitkeep
      create  test/unit
      create  test/unit/.gitkeep
      create  test/performance/browsing_test.rb
      create  test/test_helper.rb
      create  tmp/cache
      create  tmp/cache/.gitkeep
      create  vendor/assets/stylesheets
      create  vendor/assets/stylesheets/.gitkeep
      create  vendor/plugins
      create  vendor/plugins/.gitkeep
/home/david/.rvm/gems/jruby-1.6.2@xn-website/gems/bundler-1.0.14/lib/bundler/vendor/thor/shell.rb:26 warning: already initialized constant SHELL_DELEGATED_METHODS
/home/david/.rvm/gems/jruby-1.6.2@xn-website/gems/bundler-1.0.14/lib/bundler/vendor/thor/parser/argument.rb:3 warning: already initialized constant VALID_TYPES
/home/david/.rvm/gems/jruby-1.6.2@xn-website/gems/bundler-1.0.14/lib/bundler/vendor/thor/parser/arguments.rb:3 warning: already initialized constant NUMERIC
/home/david/.rvm/gems/jruby-1.6.2@xn-website/gems/bundler-1.0.14/lib/bundler/vendor/thor/parser/option.rb:5 warning: already initialized constant VALID_TYPES
/home/david/.rvm/gems/jruby-1.6.2@xn-website/gems/bundler-1.0.14/lib/bundler/vendor/thor/parser/options.rb:6 warning: already initialized constant LONG_RE
/home/david/.rvm/gems/jruby-1.6.2@xn-website/gems/bundler-1.0.14/lib/bundler/vendor/thor/parser/options.rb:7 warning: already initialized constant SHORT_RE
/home/david/.rvm/gems/jruby-1.6.2@xn-website/gems/bundler-1.0.14/lib/bundler/vendor/thor/parser/options.rb:8 warning: already initialized constant EQ_RE
/home/david/.rvm/gems/jruby-1.6.2@xn-website/gems/bundler-1.0.14/lib/bundler/vendor/thor/parser/options.rb:9 warning: already initialized constant SHORT_SQ_RE
/home/david/.rvm/gems/jruby-1.6.2@xn-website/gems/bundler-1.0.14/lib/bundler/vendor/thor/parser/options.rb:10 warning: already initialized constant SHORT_NUM
     failure  bundler raised an exception, are you offline?
12:18 ~/work $ 

rails/rails#1617