NotImplementedError: waitpid unsupported or native support failed to load
            waitpid2 at org/jruby/RubyProcess.java:704
            waitpid2 at org/jruby/RubyProcess.java:691
          shell_exec at c:/jruby-1.6.7/lib/ruby/gems/1.8/gems/veewee-0.3.0.alpha4/lib/veewee/provider/core/helper/shell.rb:38
               popen at org/jruby/RubyIO.java:3601
          shell_exec at c:/jruby-1.6.7/lib/ruby/gems/1.8/gems/veewee-0.3.0.alpha4/lib/veewee/provider/core/helper/shell.rb:32
  check_requirements at c:/jruby-1.6.7/lib/ruby/gems/1.8/gems/veewee-0.3.0.alpha4/lib/veewee/provider/virtualbox/provider.rb:11
          initialize at c:/jruby-1.6.7/lib/ruby/gems/1.8/gems/veewee-0.3.0.alpha4/lib/veewee/provider/core/provider.rb:21
                  [] at c:/jruby-1.6.7/lib/ruby/gems/1.8/gems/veewee-0.3.0.alpha4/lib/veewee/providers.rb:16
               build at c:/jruby-1.6.7/lib/ruby/gems/1.8/gems/veewee-0.3.0.alpha4/lib/veewee/command/virtualbox.rb:17
                send at org/jruby/RubyKernel.java:2080
                 run at c:/jruby-1.6.7/lib/ruby/gems/1.8/gems/thor-0.14.6/lib/thor/task.rb:21
         invoke_task at c:/jruby-1.6.7/lib/ruby/gems/1.8/gems/thor-0.14.6/lib/thor/invocation.rb:118

            dispatch at c:/jruby-1.6.7/lib/ruby/gems/1.8/gems/thor-0.14.6/lib/thor.rb:263
                send at org/jruby/RubyKernel.java:2088
              invoke at c:/jruby-1.6.7/lib/ruby/gems/1.8/gems/thor-0.14.6/lib/thor/invocation.rb:109

                vbox at c:/jruby-1.6.7/lib/ruby/gems/1.8/gems/thor-0.14.6/lib/thor.rb:205
                call at org/jruby/RubyProc.java:270
                send at org/jruby/RubyKernel.java:2084
                 run at c:/jruby-1.6.7/lib/ruby/gems/1.8/gems/thor-0.14.6/lib/thor/task.rb:21
         invoke_task at c:/jruby-1.6.7/lib/ruby/gems/1.8/gems/thor-0.14.6/lib/thor/invocation.rb:118

            dispatch at c:/jruby-1.6.7/lib/ruby/gems/1.8/gems/thor-0.14.6/lib/thor.rb:263
               start at c:/jruby-1.6.7/lib/ruby/gems/1.8/gems/thor-0.14.6/lib/thor/base.rb:389
              (root) at c:/jruby-1.6.7/lib/ruby/gems/1.8/gems/veewee-0.3.0.alpha4/bin/veewee:18
                load at org/jruby/RubyKernel.java:1058
              (root) at c:\jruby-1.6.7\bin\veewee:19