cucumber error.txt

 jruby -J-XstartOnFirstThread bin/cucumber plugins/edit_view/features
Redcar 0.8.0dev ( java )
loading plugins took 5.44
took 2.202s to load textmate assets
initializing gui took 0.853s
project start took 0.017s
#<Redcar::ApplicationSWT::Treebook:0x1e755df3>#<Redcar::ApplicationSWT::Treebook:0x1e755df3>#<Redcar::ApplicationSWT::Treebook:0x1e755df3>start time: 11.627
/Users/nick/.rvm/rubies/jruby-1.5.3/lib/ruby/site_ruby/1.8/rubygems/custom_require.rb:31:in `require': no such file to load -- gherkin (LoadError)
        from /Users/nick/.rvm/rubies/jruby-1.5.3/lib/ruby/site_ruby/1.8/rubygems/custom_require.rb:31:in `require'
        from /Users/nick/.rvm/gems/jruby-1.5.3/gems/gherkin-2.2.8/lib/gherkin/native/java.rb:12:in `native_impl'
        from /Users/nick/.rvm/gems/jruby-1.5.3/gems/gherkin-2.2.8/lib/gherkin/i18n.rb:7
        from /Users/nick/.rvm/gems/jruby-1.5.3/gems/gherkin-2.2.8/lib/gherkin/i18n.rb:31:in `require'
        from /Users/nick/.rvm/rubies/jruby-1.5.3/lib/ruby/site_ruby/1.8/rubygems/custom_require.rb:31:in `require'
        from /Users/nick/.rvm/gems/jruby-1.5.3/gems/gherkin-2.2.8/lib/gherkin/lexer/i18n_lexer.rb:1
        from /Users/nick/.rvm/gems/jruby-1.5.3/gems/gherkin-2.2.8/lib/gherkin/lexer/i18n_lexer.rb:31:in `require'
        from /Users/nick/.rvm/rubies/jruby-1.5.3/lib/ruby/site_ruby/1.8/rubygems/custom_require.rb:31:in `require'
        from /Users/nick/.rvm/gems/jruby-1.5.3/gems/gherkin-2.2.8/lib/gherkin.rb:1
        from /Users/nick/.rvm/gems/jruby-1.5.3/gems/gherkin-2.2.8/lib/gherkin.rb:36:in `require'
        from /Users/nick/.rvm/rubies/jruby-1.5.3/lib/ruby/site_ruby/1.8/rubygems/custom_require.rb:36:in `require'
        from /Users/nick/.rvm/gems/jruby-1.5.3/gems/cucumber-0.9.2/lib/cucumber/cli/main.rb:5
        from /Users/nick/.rvm/gems/jruby-1.5.3/gems/cucumber-0.9.2/lib/cucumber/cli/main.rb:36:in `require'
        from /Users/nick/.rvm/rubies/jruby-1.5.3/lib/ruby/site_ruby/1.8/rubygems/custom_require.rb:36:in `require'
        from /Users/nick/redcar/plugins/swt/lib/swt/cucumber_runner.rb:6:in `run_features'
        from /Users/nick/redcar/plugins/core/lib/core/gui.rb:66:in `run_features'
        from bin/cucumber:17

I have exactly this error. How did you resolve it?