升級導軌/可加載

我試圖升級我的導軌，以便將舊的RoR應用程序部署到Heroku，不幸的是，我收到了一些錯誤，我不知道如何解決這個問題。看來，include Reloadable從我的模式是不工作了：升級導軌/可加載

/usr/local/lib/ruby/gems/1.8/gems/activesupport-2.3.5/lib/active_support/dependencies.rb:105:in `const_missing': uninitialized constant Artist::Reloadable (NameError) 
    from /disk1/home/slugs/123146_6bfd10b_0628/mnt/app/models/artist.rb:2 
    from /usr/local/lib/ruby/site_ruby/1.8/rubygems/custom_require.rb:31:in `gem_original_require' 
    from /usr/local/lib/ruby/site_ruby/1.8/rubygems/custom_require.rb:31:in `require' 
    from /usr/local/lib/ruby/gems/1.8/gems/activesupport-2.3.5/lib/active_support/dependencies.rb:158:in `require' 
    from /usr/local/lib/ruby/gems/1.8/gems/activesupport-2.3.5/lib/active_support/dependencies.rb:265:in `require_or_load' 
    from /usr/local/lib/ruby/gems/1.8/gems/activesupport-2.3.5/lib/active_support/dependencies.rb:224:in `depend_on' 
    from /usr/local/lib/ruby/gems/1.8/gems/activesupport-2.3.5/lib/active_support/dependencies.rb:136:in `require_dependency' 
    from /usr/local/lib/ruby/gems/1.8/gems/rails-2.3.5/lib/initializer.rb:414:in `load_application_classes' 
    ... 23 levels...

我以前用RAILS_GEM_VERSION =「1.1.2」安裝。

來源

2010-01-29 Roch