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I have JRuby and Ruby (MRI) installed. It seems that I need to install gems twice – once for each of these platforms. Is this necessary or am I doing it wrong? After I installed the rails gem for MRI, should I have pointed JRuby to it, or was it necessary for me to also call: ‘jruby -S gem install rails’
If you set GEM_HOME you can share your gem installations.