jruby: No such file or directory -- rails (LoadError)

Question

I was trying to create a jruby application using jruby -S rails new OSTH_GGG.

But it returns jruby: No such file or directory -- rails (LoadError).

What is the problem?

Answer 1

Make sure the rails gem is installed:

jruby -S gem install rails

See also this answer to get more details on how to get started with JRuby on Rails.