破损的导轨环境：无法运行导轨生成脚手架

我有一个谜团：我的rvm/ruby-1.9.2环境，运行导轨3.1.3，不能再运行这个命令了 rails generate scaffold游戏名称：字符串难度：字符串破损的导轨环境：无法运行导轨生成脚手架

我收到了“缺少方法的失败

[email protected]:~/development/sudoku$ rails g scaffold Game name:string difficulty:string 
     invoke active_record 
/home/kenb/.rvm/gems/ruby-1.9.2-p290/gems/activerecord-3.1.3/lib/active_record/base.rb:1088:in `method_missing': undefined method `mass_assignment_sanitizer=' for ActiveRecord::Base:Class (NoMethodError) 
    from /home/kenb/.rvm/gems/ruby-1.9.2-p290/gems/activerecord-3.1.3/lib/active_record/railtie.rb:59:in `block (3 levels) in <class:Railtie>' 
    from /home/kenb/.rvm/gems/ruby-1.9.2-p290/gems/activerecord-3.1.3/lib/active_record/railtie.rb:58:in `each' 
    from /home/kenb/.rvm/gems/ruby-1.9.2-p290/gems/activerecord-3.1.3/lib/active_record/railtie.rb:58:in `block (2 levels) in <class:Railtie>' 
    from /home/kenb/.rvm/gems/ruby-1.9.2-p290/gems/activesupport-3.1.3/lib/active_support/lazy_load_hooks.rb:36:in `instance_eval' 
    from /home/kenb/.rvm/gems/ruby-1.9.2-p290/gems/activesupport-3.1.3/lib/active_support/lazy_load_hooks.rb:36:in `execute_hook' 
    from /home/kenb/.rvm/gems/ruby-1.9.2-p290/gems/activesupport-3.1.3/lib/active_support/lazy_load_hooks.rb:43:in `block in run_load_hooks' 
    from /home/kenb/.rvm/gems/ruby-1.9.2-p290/gems/activesupport-3.1.3/lib/active_support/lazy_load_hooks.rb:42:in `each' 
    from /home/kenb/.rvm/gems/ruby-1.9.2-p290/gems/activesupport-3.1.3/lib/active_support/lazy_load_hooks.rb:42:in `run_load_hooks' 
    from /home/kenb/.rvm/gems/ruby-1.9.2-p290/gems/activerecord-3.1.3/lib/active_record/base.rb:2190:in `<top (required)>' 
    from /home/kenb/.rvm/gems/ruby-1.9.2-p290/gems/railties-3.1.3/lib/rails/generators/named_base.rb:165:in `pluralize_table_names?' 
    from /home/kenb/.rvm/gems/ruby-1.9.2-p290/gems/railties-3.1.3/lib/rails/generators/named_base.rb:112:in `table_name' 
    from /home/kenb/.rvm/gems/ruby-1.9.2-p290/gems/activerecord-3.1.3/lib/rails/generators/active_record/model/model_generator.rb:17:in `create_migration_file' 
    from /home/kenb/.rvm/gems/ruby-1.9.2-p290/gems/thor-0.14.6/lib/thor/task.rb:22:in `run' 
    from /home/kenb/.rvm/gems/ruby-1.9.2-p290/gems/thor-0.14.6/lib/thor/invocation.rb:118:in `invoke_task' 
    from /home/kenb/.rvm/gems/ruby-1.9.2-p290/gems/thor-0.14.6/lib/thor/invocation.rb:124:in `block in invoke_all' 
    from /home/kenb/.rvm/gems/ruby-1.9.2-p290/gems/thor-0.14.6/lib/thor/invocation.rb:124:in `each' 
    from /home/kenb/.rvm/gems/ruby-1.9.2-p290/gems/thor-0.14.6/lib/thor/invocation.rb:124:in `map' 
    from /home/kenb/.rvm/gems/ruby-1.9.2-p290/gems/thor-0.14.6/lib/thor/invocation.rb:124:in `invoke_all' 
    from /home/kenb/.rvm/gems/ruby-1.9.2-p290/gems/thor-0.14.6/lib/thor/group.rb:226:in `dispatch' 
    from /home/kenb/.rvm/gems/ruby-1.9.2-p290/gems/thor-0.14.6/lib/thor/invocation.rb:109:in `invoke' 
    from /home/kenb/.rvm/gems/ruby-1.9.2-p290/gems/thor-0.14.6/lib/thor/group.rb:269:in `block in _invoke_for_class_method' 
    from /home/kenb/.rvm/gems/ruby-1.9.2-p290/gems/thor-0.14.6/lib/thor/shell.rb:74:in `with_padding' 
    from /home/kenb/.rvm/gems/ruby-1.9.2-p290/gems/thor-0.14.6/lib/thor/group.rb:258:in `_invoke_for_class_method' 
    from /home/kenb/.rvm/gems/ruby-1.9.2-p290/gems/thor-0.14.6/lib/thor/group.rb:150:in `_invoke_from_option_orm' 
    from /home/kenb/.rvm/gems/ruby-1.9.2-p290/gems/thor-0.14.6/lib/thor/task.rb:22:in `run' 
    from /home/kenb/.rvm/gems/ruby-1.9.2-p290/gems/thor-0.14.6/lib/thor/invocation.rb:118:in `invoke_task' 
    from /home/kenb/.rvm/gems/ruby-1.9.2-p290/gems/thor-0.14.6/lib/thor/invocation.rb:124:in `block in invoke_all' 
    from /home/kenb/.rvm/gems/ruby-1.9.2-p290/gems/thor-0.14.6/lib/thor/invocation.rb:124:in `each' 
    from /home/kenb/.rvm/gems/ruby-1.9.2-p290/gems/thor-0.14.6/lib/thor/invocation.rb:124:in `map' 
    from /home/kenb/.rvm/gems/ruby-1.9.2-p290/gems/thor-0.14.6/lib/thor/invocation.rb:124:in `invoke_all' 
    from /home/kenb/.rvm/gems/ruby-1.9.2-p290/gems/thor-0.14.6/lib/thor/group.rb:226:in `dispatch' 
    from /home/kenb/.rvm/gems/ruby-1.9.2-p290/gems/thor-0.14.6/lib/thor/base.rb:389:in `start' 
    from /home/kenb/.rvm/gems/ruby-1.9.2-p290/gems/railties-3.1.3/lib/rails/generators.rb:168:in `invoke' 
    from /home/kenb/.rvm/gems/ruby-1.9.2-p290/gems/railties-3.1.3/lib/rails/commands/generate.rb:12:in `<top (required)>' 
    from /home/kenb/.rvm/gems/ruby-1.9.2-p290/gems/activesupport-3.1.3/lib/active_support/dependencies.rb:240:in `require' 
    from /home/kenb/.rvm/gems/ruby-1.9.2-p290/gems/activesupport-3.1.3/lib/active_support/dependencies.rb:240:in `block in require' 
    from /home/kenb/.rvm/gems/ruby-1.9.2-p290/gems/activesupport-3.1.3/lib/active_support/dependencies.rb:223:in `block in load_dependency' 
    from /home/kenb/.rvm/gems/ruby-1.9.2-p290/gems/activesupport-3.1.3/lib/active_support/dependencies.rb:640:in `new_constants_in' 
    from /home/kenb/.rvm/gems/ruby-1.9.2-p290/gems/activesupport-3.1.3/lib/active_support/dependencies.rb:223:in `load_dependency' 
    from /home/kenb/.rvm/gems/ruby-1.9.2-p290/gems/activesupport-3.1.3/lib/active_support/dependencies.rb:240:in `require' 
    from /home/kenb/.rvm/gems/ruby-1.9.2-p290/gems/railties-3.1.3/lib/rails/commands.rb:28:in `<top (required)>' 
    from script/rails:6:in `require' 
    from script/rails:6:in `<main>'

，至于删除RVM和所有相关的宝石，我去后以下转储重新安装RVM，红宝石1.9.2，然后在我的应用程序文件夹中运行“捆绑安装”。一切顺利。然后，我得到了生成命令失败。

来源

2012-02-20 explainer

rails -v返回什么？这是可能的 – Eifion 2012-02-20 19:30:56

根据http://apidock.com/rails/ActiveModel/MassAssignmentSecurity/ClassMethods/mass_assignment_sanitizer%3D mass_assignment_sanitizer在rails 3.2中引入，而您使用的是3.1.3。你没有用rails 3.2生成你的项目吗？

来源

2012-02-20 19:34:42 Ineu

是的，这是问题所在。我已经安装了3.2，并且显然生成了一个应用程序。然后，我设置了我的包来调出rails 3.1。哎呀。我在environment.rb中注释了mass_sanitizer设置，并修复了它。 – explainer 2012-02-28 18:34:07

破损的导轨环境：无法运行导轨生成脚手架

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