Rails webrick force-exits：未初始化的常量WebConsole :: Railtie :: Middleware（NameError）

所以我是ruby的新手，试图第一次启动webrick . 我刚刚用mysql2修复了分段错误错误，并遇到了这个新的退出问题 . 这是命令行读数：

G：\ Ruby Development \ simple_cms> G：\ Ruby Development \ simple_cms> rails server =>引导WEBrick => Rails 4.2.1应用程序从http：// localhost：3000开始开发>运行rails server -h了解更多启动选项=> Ctrl-C关闭服务器退出C：/Ruby22-x64/lib/ruby/gems/2.2.0/gems/web-console-2.1.2/lib/web_console/railtie.rb:21:in阻止'：未初始化的常量WebConsole :: Railtie :: Middleware（NameError）来自C：/Ruby22-x64/lib/ruby/gems/2.2.0/gems/railties-4.2.1/lib/rails/initializable.rb： 30：来自C的instance_exec'：/ Ruby22-x64/lib/ruby/gems/2.2.0/gems/railties-4.2.1/lib/rails/initializable.rb:55：来自C的block in run_initializers' ：/Ruby22-x64/lib/ruby/gems/2.2.0/gems/railties-4.2.1/lib/rails/initializable.rb:30：在C：/ Ruby22-x64 / lib / ruby /的'run'中2.2.0 / tsort.rb:226:cc中的block in tsort_each'：/ Ruby22-x64/lib/ruby/2.2.0/tsort.rb:348：来自C的“block（2级）in each_strongly_connected_component” ：/Ruby22-x64/lib/ruby/2.2.0/tsort.rb:429：在each_strongly_conn ected_component_from'来自C：/Ruby22-x64/lib/ruby/2.2.0/tsort.rb:347：来自C：/Ruby22-x64/lib/ruby/2.2.0/tsort.rb中的block in each_strongly_connected_component'： 345：在C中的'each'中：/Ruby22-x64/lib/ruby/2.2.0/tsort.rb：345：来自C：/Ruby22-x64/lib/ruby/2.2.0/tsort的call' . rb：345：来自C：/Ruby22-x64/lib/ruby/2.2.0/tsort.rb的“each_strongly_connected_component”：224：来自C：/Ruby22-x64 / lib / ruby / 2.2.0的tsort_each' tsort.rb：203：在来自C的tsort_each'中：/Ruby22-x64/lib/ruby/gems/2.2.0/gems/railties-4.2.1/lib/rails/initializable.rb：54：在run_initializers'中来自C：/Ruby22-x64/lib/ruby/gems/2.2.0/gems/railties-4.2.1/lib/rails/application.rb:352：在initialize！'来自G：/ Ruby Development / simple_cms / config / environment.rb：5：来自G：/ Ruby Development / simple_cms / config.ru：3：来自G：/ Ruby Development / simple_cms / config的require' . ru：3：来自C的block in'：/ Ruby22-x64/lib/ruby/gems/2.2.0/gems/rack-1.6.0/lib/rack/builder.rb:55：来自instance_eval'来自C：/Ruby22-x64/lib/ruby/gems/2.2.0/gems/rack-1.6.0/lib/rack/builder.rb:55：来自G：/ Ruby Development / simple_cms / config的initialize' . ru：来自G：/ Ruby Development / simple_cms / config.ru中的new'：来自C：/Ruby22-x64/lib/ruby/gems/2.2.0/gems/rack-1.6.0/lib/ rack / builder.rb：49：来自C的eval'：/ Ruby22-x64/lib/ruby/gems/2.2.0/gems/rack-1.6.0/lib/rack/builder.rb:49:in,来自C的new_from_string'：/ Ruby22-x64/lib/ruby/gems/2.2.0/gems/rack-1.6.0/lib/rack/builder.rb:40：来自C：/ Ruby22-x64 /的parse_file' lib / ruby / gems / 2.2.0 / gems / rack-1.6.0 / lib / rack / server.rb：299：来自C：/Ruby22-x64/lib/ruby/gems/2.2.0/的build_app_and_options_from_config' gems / rack-1.6.0 / lib / rack / server.rb：208：来自C：/ Ruby22-x64 / lib / ruby的app' /gems/2.2.0/gems/railties-4.2.1/lib/rails/commands/server.rb:61:in“app”来自C：/Ruby22-x64/lib/ruby/gems/2.2.0/gems /rack-1.6.0/lib/rack/server.rb:336:in,coed_app'来自C：/Ruby22-x64/lib/ruby/gems/2.2.0/gems/railties-4.2.1/lib/rails /commands/server.rb:139:inlog_to_stdout'来自C：/Ruby22-x64/lib/ruby/gems/2.2.0/gems/railties-4.2.1/lib/rails/commands/server.rb:78 ：在C语言的“start”中：/Ruby22-x64/lib/ruby/gems/2.2.0/gems/railties-4.2.1/lib/rails/commands/commands_tasks.rb:80：在'block in server'中C：/Ruby22-x64/lib/ruby/gems/2.2.0/gems/railties-4.2.1/lib/rails/commands/commands_tasks.rb:75：来自C：/ Ruby22-x64 / lib的“tap” /ruby/gems/2.2.0/gems/railties-4.2.1/lib/rails/commands/commands_tasks.rb:75:in“server”来自C：/Ruby22-x64/lib/ruby/gems/2.2.0 /gems/railties-4.2.1/lib/rails/commands/commands_tasks.rb:39:in“run_command！”来自C：/Ruby22-x64/lib/ruby/gems/2.2.0/gems/railties-4.2.1/lib/rails/commands.rb:17:in"from bin / rails：4：inrequire'来自bin / rails：4：in''

据我所知，到目前为止，我至少要加载服务器 . 所以这不是分段错误的一部分，对吧？

我的gemfile包括web-console 2.1.2 . 另外，为了以防万一，我运行了“捆绑安装” . 对这个错误的任何见解？如果需要更多信息，请与我们联系 .

Rails版本-4.2.1 Ruby版本 - 2.2.1p85