Rails 3.1.1 - ftoolをロードするためのファイルがありません

Question

実稼働環境でレールを実行すると、ftoolsが見つからないというエラーが表示されます。私はrubyの新しいバージョンがfileutilsを使用することを知っていますが、ftoolsがどこから必要とされているのか分かりません。

助けが必要ですか？

0 /home/my_app/.rvm/gems/ruby-1.9.2-p290@192/gems/activesupport-3.1.1/lib/active_support/dependencies.rb 306  in `rescue in depend_on' 
1 /home/my_app/.rvm/gems/ruby-1.9.2-p290@192/gems/activesupport-3.1.1/lib/active_support/dependencies.rb 301  in `depend_on' 
2 /home/my_app/.rvm/gems/ruby-1.9.2-p290@192/gems/activesupport-3.1.1/lib/active_support/dependencies.rb 214  in `require_dependency' 
3 /home/my_app/.rvm/gems/ruby-1.9.2-p290@192/gems/railties-3.1.1/lib/rails/engine.rb 417  in `block (2 levels) in eager_load!' 
4 /home/my_app/.rvm/gems/ruby-1.9.2-p290@192/gems/railties-3.1.1/lib/rails/engine.rb 416  in `each' 
5 /home/my_app/.rvm/gems/ruby-1.9.2-p290@192/gems/railties-3.1.1/lib/rails/engine.rb 416  in `block in eager_load!' 
6 /home/my_app/.rvm/gems/ruby-1.9.2-p290@192/gems/railties-3.1.1/lib/rails/engine.rb 414  in `each' 
7 /home/my_app/.rvm/gems/ruby-1.9.2-p290@192/gems/railties-3.1.1/lib/rails/engine.rb 414  in `eager_load!' 
8 /home/my_app/.rvm/gems/ruby-1.9.2-p290@192/gems/railties-3.1.1/lib/rails/application/finisher.rb 51 in `block in ' 
9 /home/my_app/.rvm/gems/ruby-1.9.2-p290@192/gems/railties-3.1.1/lib/rails/initializable.rb 30 in `instance_exec' 
10 /home/my_app/.rvm/gems/ruby-1.9.2-p290@192/gems/railties-3.1.1/lib/rails/initializable.rb 30 in `run' 
11 /home/my_app/.rvm/gems/ruby-1.9.2-p290@192/gems/railties-3.1.1/lib/rails/initializable.rb 55 in `block in run_initializers' 
12 /home/my_app/.rvm/gems/ruby-1.9.2-p290@192/gems/railties-3.1.1/lib/rails/initializable.rb 54 in `each' 
13 /home/my_app/.rvm/gems/ruby-1.9.2-p290@192/gems/railties-3.1.1/lib/rails/initializable.rb 54 in `run_initializers' 
14 /home/my_app/.rvm/gems/ruby-1.9.2-p290@192/gems/railties-3.1.1/lib/rails/application.rb  96 in `initialize!' 
15 /home/my_app/.rvm/gems/ruby-1.9.2-p290@192/gems/railties-3.1.1/lib/rails/railtie/configurable.rb 30 in `method_missing' 
16 /webapps/my_app5/config/environment.rb 5 in `' 
17 config.ru 3 in `require' 
18 config.ru 3 in `block in ' 
19 /home/my_app/.rvm/gems/ruby-1.9.2-p290@192/gems/rack-1.3.5/lib/rack/builder.rb 51 in `instance_eval' 
20 /home/my_app/.rvm/gems/ruby-1.9.2-p290@192/gems/rack-1.3.5/lib/rack/builder.rb 51 in `initialize' 
21 config.ru 1 in `new' 
22 config.ru 1 in `' 
23 /home/my_app/.rvm/gems/ruby-1.9.2-p290@192/gems/passenger-3.0.9/lib/phusion_passenger/rack/application_spawner.rb 222  in `eval' 
24 /home/my_app/.rvm/gems/ruby-1.9.2-p290@192/gems/passenger-3.0.9/lib/phusion_passenger/rack/application_spawner.rb 222  in `load_rack_app' 
25 /home/my_app/.rvm/gems/ruby-1.9.2-p290@192/gems/passenger-3.0.9/lib/phusion_passenger/rack/application_spawner.rb 156  in `block in initialize_server' 
26 /home/my_app/.rvm/gems/ruby-1.9.2-p290@192/gems/passenger-3.0.9/lib/phusion_passenger/utils.rb 572  in `report_app_init_status' 
27 /home/my_app/.rvm/gems/ruby-1.9.2-p290@192/gems/passenger-3.0.9/lib/phusion_passenger/rack/application_spawner.rb 153  in `initialize_server' 
28 /home/my_app/.rvm/gems/ruby-1.9.2-p290@192/gems/passenger-3.0.9/lib/phusion_passenger/abstract_server.rb 204  in `start_synchronously' 
29 /home/my_app/.rvm/gems/ruby-1.9.2-p290@192/gems/passenger-3.0.9/lib/phusion_passenger/abstract_server.rb 180  in `start' 
30 /home/my_app/.rvm/gems/ruby-1.9.2-p290@192/gems/passenger-3.0.9/lib/phusion_passenger/rack/application_spawner.rb 128  in `start' 
31 /home/my_app/.rvm/gems/ruby-1.9.2-p290@192/gems/passenger-3.0.9/lib/phusion_passenger/spawn_manager.rb 253  in `block (2 levels) in spawn_rack_application' 
32 /home/my_app/.rvm/gems/ruby-1.9.2-p290@192/gems/passenger-3.0.9/lib/phusion_passenger/abstract_server_collection.rb  132  in `lookup_or_add' 
33 /home/my_app/.rvm/gems/ruby-1.9.2-p290@192/gems/passenger-3.0.9/lib/phusion_passenger/spawn_manager.rb 246  in `block in spawn_rack_application' 
34 /home/my_app/.rvm/gems/ruby-1.9.2-p290@192/gems/passenger-3.0.9/lib/phusion_passenger/abstract_server_collection.rb  82 in `block in synchronize' 
35 < td=""> <> prelude> 10:in `synchronize' 
36 /home/my_app/.rvm/gems/ruby-1.9.2-p290@192/gems/passenger-3.0.9/lib/phusion_passenger/abstract_server_collection.rb  79 in `synchronize' 
37 /home/my_app/.rvm/gems/ruby-1.9.2-p290@192/gems/passenger-3.0.9/lib/phusion_passenger/spawn_manager.rb 244  in `spawn_rack_application' 
38 /home/my_app/.rvm/gems/ruby-1.9.2-p290@192/gems/passenger-3.0.9/lib/phusion_passenger/spawn_manager.rb 137  in `spawn_application' 
39 /home/my_app/.rvm/gems/ruby-1.9.2-p290@192/gems/passenger-3.0.9/lib/phusion_passenger/spawn_manager.rb 275  in `handle_spawn_application' 
40 /home/my_app/.rvm/gems/ruby-1.9.2-p290@192/gems/passenger-3.0.9/lib/phusion_passenger/abstract_server.rb 357  in `server_main_loop' 
41 /home/my_app/.rvm/gems/ruby-1.9.2-p290@192/gems/passenger-3.0.9/lib/phusion_passenger/abstract_server.rb 206  in `start_synchronously' 
42 /home/my_app/.rvm/gems/ruby-1.9.2-p290@192/gems/passenger-3.0.9/helper-scripts/passenger-spawn-server 99 in `' 

Answer 1

ftoolsはルビー1.9.x