Railsの - Log4rのための未定義のメソッド `cattr_accessor」：モジュール

Question

私は

Log4r.sendとの積極的な支援から沈黙ロガーとLog4rを接続しようとしています：、 のActiveRecord ::セッションストア::拡張が含まれています。 ：LoggerSilencer

しかし、私は、サーバーを起動しようとすると、今私はこのエラーを取得する：

私は

でそれを試してみました3210

が私のsession_store.rbとlog4r.rbであるが、常に同じエラーが発生する。どのようにこれを修正するアイデアを誰もが？

C:/Ruby200/lib/ruby/gems/2.0.0/gems/activerecord-session_store-1.0.0/lib/active_record/session_store/extension/logger_silencer.rb:16:in `block in <module:LoggerSilencer>': undefined method `cattr_accessor' for Log4r:Module (NoMethodError) 
     from C:/Ruby200/lib/ruby/gems/2.0.0/gems/activesupport-4.0.13/lib/active_support/concern.rb:114:in `class_eval' 
     from C:/Ruby200/lib/ruby/gems/2.0.0/gems/activesupport-4.0.13/lib/active_support/concern.rb:114:in `append_features' 
     from C:/SVN/FOS/branches/FOS_5_0/config/initializers/session_store.rb:4:in `include' 
     from C:/SVN/FOS/branches/FOS_5_0/config/initializers/session_store.rb:4:in `<top (required)>' 
     from C:/Ruby200/lib/ruby/gems/2.0.0/gems/activesupport-4.0.13/lib/active_support/dependencies.rb:223:in `load' 
     from C:/Ruby200/lib/ruby/gems/2.0.0/gems/activesupport-4.0.13/lib/active_support/dependencies.rb:223:in `block in load' 
     from C:/Ruby200/lib/ruby/gems/2.0.0/gems/activesupport-4.0.13/lib/active_support/dependencies.rb:214:in `load_dependency' 
     from C:/Ruby200/lib/ruby/gems/2.0.0/gems/activesupport-4.0.13/lib/active_support/dependencies.rb:223:in `load' 
     from C:/Ruby200/lib/ruby/gems/2.0.0/gems/railties-4.0.13/lib/rails/engine.rb:609:in `block (2 levels) in <class:Engine>' 
     from C:/Ruby200/lib/ruby/gems/2.0.0/gems/railties-4.0.13/lib/rails/engine.rb:608:in `each' 
     from C:/Ruby200/lib/ruby/gems/2.0.0/gems/railties-4.0.13/lib/rails/engine.rb:608:in `block in <class:Engine>' 
     from C:/Ruby200/lib/ruby/gems/2.0.0/gems/railties-4.0.13/lib/rails/initializable.rb:30:in `instance_exec' 
     from C:/Ruby200/lib/ruby/gems/2.0.0/gems/railties-4.0.13/lib/rails/initializable.rb:30:in `run' 
     from C:/Ruby200/lib/ruby/gems/2.0.0/gems/railties-4.0.13/lib/rails/initializable.rb:55:in `block in run_initializers' 
     from C:/Ruby200/lib/ruby/2.0.0/tsort.rb:150:in `block in tsort_each' 
     from C:/Ruby200/lib/ruby/2.0.0/tsort.rb:183:in `block (2 levels) in each_strongly_connected_component' 
     from C:/Ruby200/lib/ruby/2.0.0/tsort.rb:210:in `block (2 levels) in each_strongly_connected_component_from' 
     from C:/Ruby200/lib/ruby/2.0.0/tsort.rb:219:in `each_strongly_connected_component_from' 
     from C:/Ruby200/lib/ruby/2.0.0/tsort.rb:209:in `block in each_strongly_connected_component_from' 
     from C:/Ruby200/lib/ruby/gems/2.0.0/gems/railties-4.0.13/lib/rails/initializable.rb:44:in `each' 
     from C:/Ruby200/lib/ruby/gems/2.0.0/gems/railties-4.0.13/lib/rails/initializable.rb:44:in `tsort_each_child' 
     from C:/Ruby200/lib/ruby/2.0.0/tsort.rb:203:in `each_strongly_connected_component_from' 
     from C:/Ruby200/lib/ruby/2.0.0/tsort.rb:182:in `block in each_strongly_connected_component' 
     from C:/Ruby200/lib/ruby/2.0.0/tsort.rb:180:in `each' 
     from C:/Ruby200/lib/ruby/2.0.0/tsort.rb:180:in `each_strongly_connected_component' 
     from C:/Ruby200/lib/ruby/2.0.0/tsort.rb:148:in `tsort_each' 
     from C:/Ruby200/lib/ruby/gems/2.0.0/gems/railties-4.0.13/lib/rails/initializable.rb:54:in `run_initializers' 
     from C:/Ruby200/lib/ruby/gems/2.0.0/gems/railties-4.0.13/lib/rails/application.rb:215:in `initialize!' 
     from C:/Ruby200/lib/ruby/gems/2.0.0/gems/railties-4.0.13/lib/rails/railtie/configurable.rb:30:in `method_missing' 
     from C:/SVN/FOS/branches/FOS_5_0/config/environment.rb:7:in `<top (required)>' 
     from C:/Ruby200/lib/ruby/gems/2.0.0/gems/activesupport-4.0.13/lib/active_support/dependencies.rb:229:in `require' 
     from C:/Ruby200/lib/ruby/gems/2.0.0/gems/activesupport-4.0.13/lib/active_support/dependencies.rb:229:in `block in require' 
     from C:/Ruby200/lib/ruby/gems/2.0.0/gems/activesupport-4.0.13/lib/active_support/dependencies.rb:214:in `load_dependency' 
     from C:/Ruby200/lib/ruby/gems/2.0.0/gems/activesupport-4.0.13/lib/active_support/dependencies.rb:229:in `require' 
     from C:/SVN/FOS/branches/FOS_5_0/config.ru:3:in `block in <main>' 
     from C:/Ruby200/lib/ruby/gems/2.0.0/gems/rack-1.5.5/lib/rack/builder.rb:55:in `instance_eval' 
     from C:/Ruby200/lib/ruby/gems/2.0.0/gems/rack-1.5.5/lib/rack/builder.rb:55:in `initialize' 
     from C:/SVN/FOS/branches/FOS_5_0/config.ru:in `new' 
     from C:/SVN/FOS/branches/FOS_5_0/config.ru:in `<main>' 
     from C:/Ruby200/lib/ruby/gems/2.0.0/gems/rack-1.5.5/lib/rack/builder.rb:49:in `eval' 
     from C:/Ruby200/lib/ruby/gems/2.0.0/gems/rack-1.5.5/lib/rack/builder.rb:49:in `new_from_string' 
     from C:/Ruby200/lib/ruby/gems/2.0.0/gems/rack-1.5.5/lib/rack/builder.rb:40:in `parse_file' 
     from C:/Ruby200/lib/ruby/gems/2.0.0/gems/rack-1.5.5/lib/rack/server.rb:277:in `build_app_and_options_from_config' 
     from C:/Ruby200/lib/ruby/gems/2.0.0/gems/rack-1.5.5/lib/rack/server.rb:199:in `app' 
     from C:/Ruby200/lib/ruby/gems/2.0.0/gems/railties-4.0.13/lib/rails/commands/server.rb:48:in `app' 
     from C:/Ruby200/lib/ruby/gems/2.0.0/gems/rack-1.5.5/lib/rack/server.rb:314:in `wrapped_app' 
     from C:/Ruby200/lib/ruby/gems/2.0.0/gems/railties-4.0.13/lib/rails/commands/server.rb:75:in `start' 
     from C:/Ruby200/lib/ruby/gems/2.0.0/gems/railties-4.0.13/lib/rails/commands.rb:76:in `block in <top (required)>' 
     from C:/Ruby200/lib/ruby/gems/2.0.0/gems/railties-4.0.13/lib/rails/commands.rb:71:in `tap' 
     from C:/Ruby200/lib/ruby/gems/2.0.0/gems/railties-4.0.13/lib/rails/commands.rb:71:in `<top (required)>' 
     from script/rails:6:in `require' 
     from script/rails:6:in `<main>' 

Answer 1

ソリューション：

私が使用して古いバージョンが新しいレールと互換性がありませんでしたので、私は私のLog4rを更新します。今それは動作します。

Answer 2

cattr_accessorそうでない場合は、使用に知らせて、ライン上のlogger_silencer.rbファイル16.イム​​かなり確信してthatsのそれでattr_accessorでなければなりません。