# bundle install
/usr/local/src/graylog2-web-interface-0.9.5p2/Gemfile:14:in `evaluate': undefined method `start_with?' for "1.8.6":String (NoMethodError)
        from /usr/lib/ruby/gems/1.8/gems/bundler-1.0.21/lib/bundler/definition.rb:17:in `build'
        from /usr/lib/ruby/gems/1.8/gems/bundler-1.0.21/lib/bundler.rb:138:in `definition'
        from /usr/lib/ruby/gems/1.8/gems/bundler-1.0.21/lib/bundler/cli.rb:219:in `install'
        from /usr/lib/ruby/gems/1.8/gems/bundler-1.0.21/lib/bundler/vendor/thor/task.rb:22:in `send'
        from /usr/lib/ruby/gems/1.8/gems/bundler-1.0.21/lib/bundler/vendor/thor/task.rb:22:in `run'
        from /usr/lib/ruby/gems/1.8/gems/bundler-1.0.21/lib/bundler/vendor/thor/invocation.rb:118:in `invoke_task'
        from /usr/lib/ruby/gems/1.8/gems/bundler-1.0.21/lib/bundler/vendor/thor.rb:263:in `dispatch'
        from /usr/lib/ruby/gems/1.8/gems/bundler-1.0.21/lib/bundler/vendor/thor/base.rb:386:in `start'
        from /usr/lib/ruby/gems/1.8/gems/bundler-1.0.21/bin/bundle:13
        from /usr/bin/bundle:19:in `load'
        from /usr/bin/bundle:19