gistfile1.txt

 $ irb
jruby-head :001 > require 'active_support/all'
/usr/local/rvm/gems/jruby-head/gems/activesupport-4.2.1/lib/active_support/values/time_zone.rb:37: warning: already initialized constant MAPPING
/usr/local/rvm/gems/jruby-head/gems/activesupport-4.2.1/lib/active_support/values/time_zone.rb:189: warning: already initialized constant UTC_OFFSET_WITH_COLON
/usr/local/rvm/gems/jruby-head/gems/activesupport-4.2.1/lib/active_support/values/time_zone.rb:190: warning: already initialized constant UTC_OFFSET_WITHOUT_COLON
NameError: uninitialized constant JSON::Ext::Parser
        from org/jruby/RubyModule.java:3103:in `const_missing'
        from /usr/local/rvm/gems/jruby-head/gems/json-1.8.2-java/lib/json/ext.rb:16:in `<module:Ext>'
        from /usr/local/rvm/gems/jruby-head/gems/json-1.8.2-java/lib/json/ext.rb:12:in `<module:JSON>'
        from /usr/local/rvm/gems/jruby-head/gems/json-1.8.2-java/lib/json/ext.rb:9:in `<top>'
        from org/jruby/RubyKernel.java:966:in `require'
        from /usr/local/rvm/rubies/jruby-head/lib/ruby/stdlib/rubygems/core_ext/kernel_require.rb:69:in `require'
        from /usr/local/rvm/gems/jruby-head/gems/json-1.8.2-java/lib/json.rb:1:in `<module:(root)>'
        from /usr/local/rvm/gems/jruby-head/gems/json-1.8.2-java/lib/json.rb:58:in `<top>'
        from org/jruby/RubyKernel.java:966:in `require'
        from /usr/local/rvm/rubies/jruby-head/lib/ruby/stdlib/rubygems/core_ext/kernel_require.rb:69:in `require'
        from /usr/local/rvm/gems/jruby-head/gems/json-1.8.2-java/lib/json.rb:54:in `<top>'
        from org/jruby/RubyKernel.java:966:in `require'
        from /usr/local/rvm/rubies/jruby-head/lib/ruby/stdlib/rubygems/core_ext/kernel_require.rb:69:in `require'
        from /usr/local/rvm/gems/jruby-head/gems/activesupport-4.2.1/lib/active_support/core_ext/object/json.rb:1:in `<top>'
        from org/jruby/RubyKernel.java:966:in `require'
        from /usr/local/rvm/rubies/jruby-head/lib/ruby/stdlib/rubygems/core_ext/kernel_require.rb:121:in `require'
... 4 levels...
        from /usr/local/rvm/rubies/jruby-head/lib/ruby/stdlib/rubygems/core_ext/kernel_require.rb:69:in `require'
        from /usr/local/rvm/gems/jruby-head/gems/activesupport-4.2.1/lib/active_support/core_ext/object.rb:12:in `<top>'
        from org/jruby/RubyKernel.java:966:in `require'
        from /usr/local/rvm/rubies/jruby-head/lib/ruby/stdlib/rubygems/core_ext/kernel_require.rb:128:in `require'
        from /usr/local/rvm/gems/jruby-head/gems/activesupport-4.2.1/lib/active_support/core_ext.rb:1:in `<eval>'
        from org/jruby/RubyKernel.java:1005:in `eval'
        from /usr/local/rvm/gems/jruby-head/gems/activesupport-4.2.1/lib/active_support/core_ext.rb:2:in `(root)'
        from /usr/local/rvm/gems/jruby-head/gems/activesupport-4.2.1/lib/active_support/core_ext.rb:1:in `(root)'
        from /usr/local/rvm/gems/jruby-head/gems/activesupport-4.2.1/lib/active_support/all.rb:1:in `block in (root)'
        from /usr/local/rvm/gems/jruby-head/gems/activesupport-4.2.1/lib/active_support/all.rb:3:in `(root)'
        from (irb):1:in `block in (root)'
        from (irb):1:in `block in evaluate'
        from org/jruby/RubyKernel.java:1315:in `loop'
        from org/jruby/RubyKernel.java:1125:in `catch'
        from org/jruby/RubyKernel.java:1125:in `catch'
        from /usr/local/rvm/rubies/jruby-head/bin/irb:13:in `<top>'jruby-head :002 >