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I'm getting a load error when trying to upgrade to ruby 1.9.3 "small steps". There is a load error, but I am autoloading the lib directory. Does anyone know why this is happening?

application.rb:

require File.expand_path('../boot', __FILE__) require 'rails/all' # If you have a Gemfile, require the gems listed there, including any gems # you've limited to :test, :development, or :production. Bundler.require(:default, Rails.env) if defined?(Bundler) module MyApp class Application < Rails::Application # Settings in config/environments/* take precedence over those specified here. # Application configuration should go into files in config/initializers # -- all .rb files in that directory are automatically loaded. # Custom directories with classes and modules you want to be autoloadable. config.autoload_paths += %W(#{config.root}/extras #{config.root}/lib) # Only load the plugins named here, in the order given (default is alphabetical). # :all can be used as a placeholder for all plugins not explicitly named. # config.plugins = [ :exception_notification, :ssl_requirement, :all ] # Activate observers that should always be running. # config.active_record.observers = :cacher, :garbage_collector, :forum_observer # Set Time.zone default to the specified zone and make Active Record auto-convert to this zone. # Run "rake -D time" for a list of tasks for finding time zone names. Default is UTC. # config.time_zone = 'Central Time (US & Canada)' # The default locale is :en and all translations from config/locales/*.rb,yml are auto loaded. # config.i18n.load_path += Dir[Rails.root.join('my', 'locales', '*.{rb,yml}').to_s] # config.i18n.default_locale = :de # JavaScript files you want as :defaults (application.js is always included). config.action_view.javascript_expansions[:defaults] = %w(delayed-observer jquery.rails) # Configure the default encoding used in templates for Ruby 1.9. config.encoding = "utf-8" # Configure sensitive parameters which will be filtered from the log file. config.filter_parameters += [:password, :cc, :account_token] end end require 'lib/my-app/my-app' 

console:

/Users/jay/.rbenv/versions/1.9.3-dev/lib/ruby/gems/1.9.1/gems/activesupport-3.0.3/lib/active_support/dependencies.rb:239:in `require': cannot load such file -- lib/my-app/my-app (LoadError) from /Users/jay/.rbenv/versions/1.9.3-dev/lib/ruby/gems/1.9.1/gems/activesupport-3.0.3/lib/active_support/dependencies.rb:239:in `block in require' from /Users/jay/.rbenv/versions/1.9.3-dev/lib/ruby/gems/1.9.1/gems/activesupport-3.0.3/lib/active_support/dependencies.rb:225:in `block in load_dependency' from /Users/jay/.rbenv/versions/1.9.3-dev/lib/ruby/gems/1.9.1/gems/activesupport-3.0.3/lib/active_support/dependencies.rb:596:in `new_constants_in' from /Users/jay/.rbenv/versions/1.9.3-dev/lib/ruby/gems/1.9.1/gems/activesupport-3.0.3/lib/active_support/dependencies.rb:225:in `load_dependency' from /Users/jay/.rbenv/versions/1.9.3-dev/lib/ruby/gems/1.9.1/gems/activesupport-3.0.3/lib/active_support/dependencies.rb:239:in `require' from /Users/jay/current_projects/my-app/config/application.rb:42:in `<top (required)>' from /Users/jay/.rbenv/versions/1.9.3-dev/lib/ruby/gems/1.9.1/gems/railties-3.0.3/lib/rails/commands.rb:28:in `require' from /Users/jay/.rbenv/versions/1.9.3-dev/lib/ruby/gems/1.9.1/gems/railties-3.0.3/lib/rails/commands.rb:28:in `block in <top (required)>' from /Users/jay/.rbenv/versions/1.9.3-dev/lib/ruby/gems/1.9.1/gems/railties-3.0.3/lib/rails/commands.rb:27:in `tap' from /Users/jay/.rbenv/versions/1.9.3-dev/lib/ruby/gems/1.9.1/gems/railties-3.0.3/lib/rails/commands.rb:27:in `<top (required)>' from script/rails:6:in `require' from script/rails:6:in `<main>' 

1 Answer 1

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Ruby 1.9 changed the default load path so it's often necessary to replace that with:

require_relative '../lib/my-app/my-app' 

That way you can specify exactly where it is without having to change the $LOAD_PATH configuration.

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