Hi All, I am using 'captcha gem' in my code to implement 'CAPTCHA' functionality ,It gives following error : --------------------------------------------------------------------------------------------------------- MissingSourceFile in UserController#sign_in no such file to load -- GD RAILS_ROOT: ./script/../config/.. Application Trace | Framework Trace | Full Trace d:/ruby/lib/ruby/site_ruby/1.8/rubygems/custom_require.rb:27:in `gem_original_require' d:/ruby/lib/ruby/site_ruby/1.8/rubygems/custom_require.rb:27:in `require' d:/ruby/lib/ruby/gems/1.8/gems/activesupport-1.4.2/lib/active_support/dependencies.rb:495:in `require' d:/ruby/lib/ruby/gems/1.8/gems/activesupport-1.4.2/lib/active_support/dependencies.rb:342:in `new_constants_in' d:/ruby/lib/ruby/gems/1.8/gems/activesupport-1.4.2/lib/active_support/dependencies.rb:495:in `require' d:/ruby/lib/ruby/gems/1.8/gems/captcha-0.1.2/lib/captcha.rb:22 d:/ruby/lib/ruby/site_ruby/1.8/rubygems/custom_require.rb:32:in `gem_original_require' d:/ruby/lib/ruby/site_ruby/1.8/rubygems/custom_require.rb:32:in `require' d:/ruby/lib/ruby/gems/1.8/gems/activesupport-1.4.2/lib/active_support/dependencies.rb:495:in `require' d:/ruby/lib/ruby/gems/1.8/gems/activesupport-1.4.2/lib/active_support/dependencies.rb:342:in `new_constants_in' d:/ruby/lib/ruby/gems/1.8/gems/activesupport-1.4.2/lib/active_support/dependencies.rb:495:in `require' #{RAILS_ROOT}/app/controllers/user_controller.rb:9 d:/ruby/lib/ruby/site_ruby/1.8/rubygems/custom_require.rb:27:in `gem_original_require' d:/ruby/lib/ruby/site_ruby/1.8/rubygems/custom_require.rb:27:in `require' d:/ruby/lib/ruby/gems/1.8/gems/activesupport-1.4.2/lib/active_support/dependencies.rb:495:in `require' d:/ruby/lib/ruby/gems/1.8/gems/activesupport-1.4.2/lib/active_support/dependencies.rb:342:in `new_constants_in' d:/ruby/lib/ruby/gems/1.8/gems/activesupport-1.4.2/lib/active_support/dependencies.rb:495:in `require' d:/ruby/lib/ruby/gems/1.8/gems/captcha-0.1.2/lib/captcha.rb:22 d:/ruby/lib/ruby/site_ruby/1.8/rubygems/custom_require.rb:32:in `gem_original_require' d:/ruby/lib/ruby/site_ruby/1.8/rubygems/custom_require.rb:32:in `require' d:/ruby/lib/ruby/gems/1.8/gems/activesupport-1.4.2/lib/active_support/dependencies.rb:495:in `require' d:/ruby/lib/ruby/gems/1.8/gems/activesupport-1.4.2/lib/active_support/dependencies.rb:342:in `new_constants_in' d:/ruby/lib/ruby/gems/1.8/gems/activesupport-1.4.2/lib/active_support/dependencies.rb:495:in `require' d:/ruby/lib/ruby/gems/1.8/gems/activesupport-1.4.2/lib/active_support/dependencies.rb:203:in `load_without_new_constant_marking' d:/ruby/lib/ruby/gems/1.8/gems/activesupport-1.4.2/lib/active_support/dependencies.rb:203:in `load_file' d:/ruby/lib/ruby/gems/1.8/gems/activesupport-1.4.2/lib/active_support/dependencies.rb:342:in `new_constants_in' d:/ruby/lib/ruby/gems/1.8/gems/activesupport-1.4.2/lib/active_support/dependencies.rb:202:in `load_file' d:/ruby/lib/ruby/gems/1.8/gems/activesupport-1.4.2/lib/active_support/dependencies.rb:94:in `require_or_load' d:/ruby/lib/ruby/gems/1.8/gems/activesupport-1.4.2/lib/active_support/dependencies.rb:248:in `load_missing_constant' d:/ruby/lib/ruby/gems/1.8/gems/activesupport-1.4.2/lib/active_support/dependencies.rb:452:in `const_missing' d:/ruby/lib/ruby/gems/1.8/gems/activesupport-1.4.2/lib/active_support/dependencies.rb:464:in `const_missing' d:/ruby/lib/ruby/gems/1.8/gems/activesupport-1.4.2/lib/active_support/inflector.rb:250:in `constantize' d:/ruby/lib/ruby/gems/1.8/gems/activesupport-1.4.2/lib/active_support/core_ext/string/inflections.rb:148:in `constantize' d:/ruby/lib/ruby/gems/1.8/gems/actionpack-1.13.3/lib/action_controller/routing.rb:1284:in `recognize' d:/ruby/lib/ruby/gems/1.8/gems/rails-1.2.3/lib/dispatcher.rb:40:in `dispatch' d:/ruby/lib/ruby/gems/1.8/gems/rails-1.2.3/lib/webrick_server.rb:113:in `handle_dispatch' d:/ruby/lib/ruby/gems/1.8/gems/rails-1.2.3/lib/webrick_server.rb:79:in `service' d:/ruby/lib/ruby/1.8/webrick/httpserver.rb:104:in `service' d:/ruby/lib/ruby/1.8/webrick/httpserver.rb:65:in `run' d:/ruby/lib/ruby/1.8/webrick/server.rb:173:in `start_thread' d:/ruby/lib/ruby/1.8/webrick/server.rb:162:in `start' d:/ruby/lib/ruby/1.8/webrick/server.rb:162:in `start_thread' d:/ruby/lib/ruby/1.8/webrick/server.rb:95:in `start' d:/ruby/lib/ruby/1.8/webrick/server.rb:92:in `each' d:/ruby/lib/ruby/1.8/webrick/server.rb:92:in `start' d:/ruby/lib/ruby/1.8/webrick/server.rb:23:in `start' d:/ruby/lib/ruby/1.8/webrick/server.rb:82:in `start' d:/ruby/lib/ruby/gems/1.8/gems/rails-1.2.3/lib/webrick_server.rb:63:in `dispatch' d:/ruby/lib/ruby/gems/1.8/gems/rails-1.2.3/lib/commands/servers/webrick.rb:59 d:/ruby/lib/ruby/site_ruby/1.8/rubygems/custom_require.rb:27:in `gem_original_require' d:/ruby/lib/ruby/site_ruby/1.8/rubygems/custom_require.rb:27:in `require' d:/ruby/lib/ruby/gems/1.8/gems/activesupport-1.4.2/lib/active_support/dependencies.rb:495:in `require' d:/ruby/lib/ruby/gems/1.8/gems/activesupport-1.4.2/lib/active_support/dependencies.rb:342:in `new_constants_in' d:/ruby/lib/ruby/gems/1.8/gems/activesupport-1.4.2/lib/active_support/dependencies.rb:495:in `require' d:/ruby/lib/ruby/gems/1.8/gems/rails-1.2.3/lib/commands/server.rb:39 d:/ruby/lib/ruby/site_ruby/1.8/rubygems/custom_require.rb:27:in `gem_original_require' d:/ruby/lib/ruby/site_ruby/1.8/rubygems/custom_require.rb:27:in `require' script/server:3 d:/ruby/lib/ruby/site_ruby/1.8/rubygems/custom_require.rb:27:in `gem_original_require' d:/ruby/lib/ruby/site_ruby/1.8/rubygems/custom_require.rb:27:in `require' d:/ruby/lib/ruby/gems/1.8/gems/activesupport-1.4.2/lib/active_support/dependencies.rb:495:in `require' d:/ruby/lib/ruby/gems/1.8/gems/activesupport-1.4.2/lib/active_support/dependencies.rb:342:in `new_constants_in' d:/ruby/lib/ruby/gems/1.8/gems/activesupport-1.4.2/lib/active_support/dependencies.rb:495:in `require' d:/ruby/lib/ruby/gems/1.8/gems/captcha-0.1.2/lib/captcha.rb:22 d:/ruby/lib/ruby/site_ruby/1.8/rubygems/custom_require.rb:32:in `gem_original_require' d:/ruby/lib/ruby/site_ruby/1.8/rubygems/custom_require.rb:32:in `require' d:/ruby/lib/ruby/gems/1.8/gems/activesupport-1.4.2/lib/active_support/dependencies.rb:495:in `require' d:/ruby/lib/ruby/gems/1.8/gems/activesupport-1.4.2/lib/active_support/dependencies.rb:342:in `new_constants_in' d:/ruby/lib/ruby/gems/1.8/gems/activesupport-1.4.2/lib/active_support/dependencies.rb:495:in `require' #{RAILS_ROOT}/app/controllers/user_controller.rb:9 d:/ruby/lib/ruby/gems/1.8/gems/activesupport-1.4.2/lib/active_support/dependencies.rb:203:in `load_without_new_constant_marking' d:/ruby/lib/ruby/gems/1.8/gems/activesupport-1.4.2/lib/active_support/dependencies.rb:203:in `load_file' d:/ruby/lib/ruby/gems/1.8/gems/activesupport-1.4.2/lib/active_support/dependencies.rb:342:in `new_constants_in' d:/ruby/lib/ruby/gems/1.8/gems/activesupport-1.4.2/lib/active_support/dependencies.rb:202:in `load_file' d:/ruby/lib/ruby/gems/1.8/gems/activesupport-1.4.2/lib/active_support/dependencies.rb:94:in `require_or_load' d:/ruby/lib/ruby/gems/1.8/gems/activesupport-1.4.2/lib/active_support/dependencies.rb:248:in `load_missing_constant' d:/ruby/lib/ruby/gems/1.8/gems/activesupport-1.4.2/lib/active_support/dependencies.rb:452:in `const_missing' d:/ruby/lib/ruby/gems/1.8/gems/activesupport-1.4.2/lib/active_support/dependencies.rb:464:in `const_missing' d:/ruby/lib/ruby/gems/1.8/gems/activesupport-1.4.2/lib/active_support/inflector.rb:250:in `constantize' d:/ruby/lib/ruby/gems/1.8/gems/activesupport-1.4.2/lib/active_support/core_ext/string/inflections.rb:148:in `constantize' d:/ruby/lib/ruby/gems/1.8/gems/actionpack-1.13.3/lib/action_controller/routing.rb:1284:in `recognize' d:/ruby/lib/ruby/gems/1.8/gems/rails-1.2.3/lib/dispatcher.rb:40:in `dispatch' d:/ruby/lib/ruby/gems/1.8/gems/rails-1.2.3/lib/webrick_server.rb:113:in `handle_dispatch' d:/ruby/lib/ruby/gems/1.8/gems/rails-1.2.3/lib/webrick_server.rb:79:in `service' d:/ruby/lib/ruby/1.8/webrick/httpserver.rb:104:in `service' d:/ruby/lib/ruby/1.8/webrick/httpserver.rb:65:in `run' d:/ruby/lib/ruby/1.8/webrick/server.rb:173:in `start_thread' d:/ruby/lib/ruby/1.8/webrick/server.rb:162:in `start' d:/ruby/lib/ruby/1.8/webrick/server.rb:162:in `start_thread' d:/ruby/lib/ruby/1.8/webrick/server.rb:95:in `start' d:/ruby/lib/ruby/1.8/webrick/server.rb:92:in `each' d:/ruby/lib/ruby/1.8/webrick/server.rb:92:in `start' d:/ruby/lib/ruby/1.8/webrick/server.rb:23:in `start' d:/ruby/lib/ruby/1.8/webrick/server.rb:82:in `start' d:/ruby/lib/ruby/gems/1.8/gems/rails-1.2.3/lib/webrick_server.rb:63:in `dispatch' d:/ruby/lib/ruby/gems/1.8/gems/rails-1.2.3/lib/commands/servers/webrick.rb:59 d:/ruby/lib/ruby/site_ruby/1.8/rubygems/custom_require.rb:27:in `gem_original_require' d:/ruby/lib/ruby/site_ruby/1.8/rubygems/custom_require.rb:27:in `require' d:/ruby/lib/ruby/gems/1.8/gems/activesupport-1.4.2/lib/active_support/dependencies.rb:495:in `require' d:/ruby/lib/ruby/gems/1.8/gems/activesupport-1.4.2/lib/active_support/dependencies.rb:342:in `new_constants_in' d:/ruby/lib/ruby/gems/1.8/gems/activesupport-1.4.2/lib/active_support/dependencies.rb:495:in `require' d:/ruby/lib/ruby/gems/1.8/gems/rails-1.2.3/lib/commands/server.rb:39 d:/ruby/lib/ruby/site_ruby/1.8/rubygems/custom_require.rb:27:in `gem_original_require' d:/ruby/lib/ruby/site_ruby/1.8/rubygems/custom_require.rb:27:in `require' script/server:3 This error occurred while loading the following files: captcha GD Request Parameters: None Show session dump --- :user_id: :fr: {} flash: !map:ActionController::Flash::FlashHash {} Response Headers: {"cookie"=>[], "Cache-Control"=>"no-cache"} --------------------------------------------------------------------------------------------------------- I have installed gem gd1.1 ,Still it's not working. Tell me if anyone can help me to come out of this problem? -- Posted via http://www.ruby-forum.com/.