nokogiri 1.5.0.beta.3 with warbler breaks

gistfile1.txt

$ warble --trace
warble aborted!
load error: nokogiri/nokogiri -- java.lang.NoClassDefFoundError: org/apache/xerces/xni/QName
/home/tambellini/.rvm/gems/jruby-1.5.6@scrapple/gems/activesupport-3.0.3/lib/active_support/dependencies.rb:239:in `require'
/home/tambellini/.rvm/gems/jruby-1.5.6@scrapple/gems/activesupport-3.0.3/lib/active_support/dependencies.rb:239:in `require'
/home/tambellini/.rvm/gems/jruby-1.5.6@scrapple/gems/activesupport-3.0.3/lib/active_support/dependencies.rb:225:in `load_dependency'
/home/tambellini/.rvm/gems/jruby-1.5.6@scrapple/gems/activesupport-3.0.3/lib/active_support/dependencies.rb:596:in `new_constants_in'
/home/tambellini/.rvm/gems/jruby-1.5.6@scrapple/gems/activesupport-3.0.3/lib/active_support/dependencies.rb:225:in `load_dependency'
/home/tambellini/.rvm/gems/jruby-1.5.6@scrapple/gems/activesupport-3.0.3/lib/active_support/dependencies.rb:239:in `require'
/home/tambellini/.rvm/gems/jruby-1.5.6@scrapple/gems/nokogiri-1.5.0.beta.3-java/lib/nokogiri.rb:22
/home/tambellini/.rvm/gems/jruby-1.5.6@scrapple/gems/nokogiri-1.5.0.beta.3-java/lib/nokogiri.rb:239:in `require'
/home/tambellini/.rvm/gems/jruby-1.5.6@scrapple/gems/activesupport-3.0.3/lib/active_support/dependencies.rb:239:in `require'
/home/tambellini/.rvm/gems/jruby-1.5.6@scrapple/gems/activesupport-3.0.3/lib/active_support/dependencies.rb:225:in `load_dependency'
/home/tambellini/.rvm/gems/jruby-1.5.6@scrapple/gems/activesupport-3.0.3/lib/active_support/dependencies.rb:596:in `new_constants_in'
/home/tambellini/.rvm/gems/jruby-1.5.6@scrapple/gems/activesupport-3.0.3/lib/active_support/dependencies.rb:225:in `load_dependency'
/home/tambellini/.rvm/gems/jruby-1.5.6@scrapple/gems/activesupport-3.0.3/lib/active_support/dependencies.rb:239:in `require'
/home/tambellini/.rvm/gems/jruby-1.5.6@scrapple/gems/capybara-0.4.1.1/lib/capybara.rb:2
/home/tambellini/.rvm/gems/jruby-1.5.6@scrapple/gems/capybara-0.4.1.1/lib/capybara.rb:68:in `require'
/home/tambellini/.rvm/gems/jruby-1.5.6@scrapple/gems/bundler-1.0.9/lib/bundler/runtime.rb:68:in `require'
/home/tambellini/.rvm/gems/jruby-1.5.6@scrapple/gems/bundler-1.0.9/lib/bundler/runtime.rb:66:in `each'
/home/tambellini/.rvm/gems/jruby-1.5.6@scrapple/gems/bundler-1.0.9/lib/bundler/runtime.rb:66:in `require'
/home/tambellini/.rvm/gems/jruby-1.5.6@scrapple/gems/bundler-1.0.9/lib/bundler/runtime.rb:55:in `each'
/home/tambellini/.rvm/gems/jruby-1.5.6@scrapple/gems/bundler-1.0.9/lib/bundler/runtime.rb:55:in `require'
/home/tambellini/.rvm/gems/jruby-1.5.6@scrapple/gems/bundler-1.0.9/lib/bundler.rb:114:in `require'
/home/tambellini/repositories/scrapple/config/application.rb:7
/home/tambellini/repositories/scrapple/config/application.rb:31:in `require'
/home/tambellini/.rvm/rubies/jruby-1.5.6/lib/ruby/site_ruby/1.8/rubygems/custom_require.rb:31:in `require'
./Rakefile:4
./Rakefile:56:in `load'
/home/tambellini/.rvm/gems/jruby-1.5.6@scrapple/gems/warbler-1.2.1/lib/warbler/application.rb:56:in `load_project_rakefile'
/home/tambellini/.rvm/gems/jruby-1.5.6@scrapple/gems/warbler-1.2.1/lib/warbler/application.rb:54:in `each'
/home/tambellini/.rvm/gems/jruby-1.5.6@scrapple/gems/warbler-1.2.1/lib/warbler/application.rb:54:in `load_project_rakefile'
/home/tambellini/.rvm/gems/jruby-1.5.6@scrapple/gems/warbler-1.2.1/lib/warbler.rb:25:in `project_application'
/home/tambellini/.rvm/gems/jruby-1.5.6@scrapple/gems/warbler-1.2.1/lib/warbler/config.rb:264:in `auto_detect_rails'
/home/tambellini/.rvm/gems/jruby-1.5.6@scrapple/gems/warbler-1.2.1/lib/warbler/config.rb:260:in `auto_detect_frameworks'
/home/tambellini/.rvm/gems/jruby-1.5.6@scrapple/gems/warbler-1.2.1/lib/warbler/config.rb:158:in `initialize'
(eval):5:in `new'
(eval):5:in `initialize'