JRuby --1.9 cannot create Rails 3.1 RC4 project

$ jruby --1.9 -v jruby 1.6.2 (ruby-1.9.2-p136) (2011-05-23 e2ea975) (Java HotSpot(TM) 64-Bit Server VM 1.6.0_24) [darwin-x86_64-java]

$ jruby --1.9 -S gem -v 1.8.5

$ jruby --1.9 -S rails -v Rails 3.1.0.rc4

$ jruby --1.9 -S 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 /Users/hipertracker/.rvm/gems/jruby-1.6.2@rails-pre/gems/ bundler-1.0.15/lib/bundler/vendor/thor/shell.rb:26 warning: already initialized constant SHELL_DELEGATED_METHODS /Users/hipertracker/.rvm/gems/jruby-1.6.2@rails-pre/gems/ bundler-1.0.15/lib/bundler/vendor/thor/parser/argument.rb:3 warning: already initialized constant VALID_TYPES /Users/hipertracker/.rvm/gems/jruby-1.6.2@rails-pre/gems/ bundler-1.0.15/lib/bundler/vendor/thor/parser/arguments.rb:3 warning: already initialized constant NUMERIC /Users/hipertracker/.rvm/gems/jruby-1.6.2@rails-pre/gems/ bundler-1.0.15/lib/bundler/vendor/thor/parser/option.rb:5 warning: already initialized constant VALID_TYPES /Users/hipertracker/.rvm/gems/jruby-1.6.2@rails-pre/gems/ bundler-1.0.15/lib/bundler/vendor/thor/parser/options.rb:6 warning: already initialized constant LONG_RE /Users/hipertracker/.rvm/gems/jruby-1.6.2@rails-pre/gems/ bundler-1.0.15/lib/bundler/vendor/thor/parser/options.rb:7 warning: already initialized constant SHORT_RE /Users/hipertracker/.rvm/gems/jruby-1.6.2@rails-pre/gems/ bundler-1.0.15/lib/bundler/vendor/thor/parser/options.rb:8 warning: already initialized constant EQ_RE /Users/hipertracker/.rvm/gems/jruby-1.6.2@rails-pre/gems/ bundler-1.0.15/lib/bundler/vendor/thor/parser/options.rb:9 warning: already initialized constant SHORT_SQ_RE /Users/hipertracker/.rvm/gems/jruby-1.6.2@rails-pre/gems/ bundler-1.0.15/lib/bundler/vendor/thor/parser/options.rb:10 warning: already initialized constant SHORT_NUM      failure bundler raised an exception, are you offline?