bundle exec - You have already activated json X, but your Gemfile requires json Y

bundle exec - You have already activated json X, but your Gemfile requires json Y

json rubygems bundler

json

Why won't bundler install the json 1.7.4 gem on OS X 10.8?

ruby-on-rails json gem makefile bundler

json

Can't gem install json -v '1.7.3'

ruby-on-rails json gem rvm bundler

json

Unable to install json 1.8.3 in ruby 2.2.1

ruby json gem bundler

json

Segmentation fault when running 'bundle exec rake'

ruby-on-rails ruby json rake bundler

json

bundle install failing on JSON gem: Failing to build gem native extension, Windows 7

ruby-on-rails ruby json gem bundler

json

Rails: json 1.7.5 bundle install issue

ruby-on-rails ruby-on-rails-3 json gem bundler

json

Can't install json gem 1.8.6 - failed to build gem native extension on Ubuntu

ruby-on-rails json ruby ubuntu bundler

json