Bonsoir iMax,

Pour ton erreur sous le terminal, met à jour RubyGems...tapes la commande:

gem --version

Si ta version est >= 0.8.5 mets la à jour en tapant:

gem update --system

Dans le cas contraire utilises:

gem install rubygems-update

update_rubygems

--
Richard Piacentini
http://forum.parisonrails.org/ | http://www.railsfrance.org/

par contre avec le boot.rb d'une ancienne version suivant cela fonctionne

# Don't change this file. Configuration is done in config/environment.rb and config/environments/*.rb

unless defined?(RAILS_ROOT)
root_path = File.join(File.dirname(__FILE__), '..')

unless RUBY_PLATFORM =~ /mswin32/
require 'pathname'
root_path = Pathname.new(root_path).cleanpath(true).to_s
end

RAILS_ROOT = root_path
end

unless defined?(Rails::Initializer)
if File.directory?("#{RAILS_ROOT}/vendor/rails")
require "#{RAILS_ROOT}/vendor/rails/railties/lib/initializer"
else
require 'rubygems'

environment_without_comments = IO.readlines(File.dirname(__FILE__) + '/environment.rb').reject { |l| l =~ /^#/ }.join
environment_without_comments =~ /[^#]RAILS_GEM_VERSION = '([\d.]+)'/
rails_gem_version = $1

if version = defined?(RAILS_GEM_VERSION) ? RAILS_GEM_VERSION : rails_gem_version
rails_gem = Gem.cache.search('rails', "=#{version}").first

if rails_gem
require_gem "rails", "=#{version}"
require rails_gem.full_gem_path + '/lib/initializer'
else
STDERR.puts %(Cannot find gem for Rails =#{version}:
Install the missing gem with 'gem install -v=#{version} rails', or
change environment.rb to define RAILS_GEM_VERSION with your desired version.
)
exit 1
end
else
require_gem "rails"
require 'initializer'
end
end

Rails::Initializer.run(:set_load_path)
end