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Answer 1

A:

Having the gem installed is not the same as declaring it in your Rails configuration, though it is an important prerequisite.

Make sure you have your config/environment.rb set with at least:

Rails::Initializer.run do |config|
  config.gem 'ultraviolet'
end

Gems are not automatically loaded until you declare them with the gem command. Maybe it's being stubborn, so try this:

% irb
> require 'rubygems'
 => true
> gem 'ultraviolet'
 => true
> $:.grep(/ultraviolet/)
 => [...]

The final line should show that the load path for libraries $: has been adjusted to use your rvm managed gem. It might be missing or incorrect which would prevent the gem from loading properly.

It's often easy to run the wrong ruby or irb if you're using RVM and your environment isn't consistent. gem can often get bound to the wrong ruby if you're not careful about your path.

tadman 2010-08-25 23:14:47

Answer 2

+1 A:

I didn't add :lib => 'uv'

Rails::Initializer.run do |config|
    config.gem 'ultraviolet', :lib => 'uv'
end

Sam 2010-08-25 23:18:11

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Ruby Gem Ultraviolet, Rails, Leopard

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