Ruby on rails 设计gem:Rack应用程序错误处理请求{GET/users/sign_in.js}

Ruby on rails 设计gem:Rack应用程序错误处理请求{GET/users/sign_in.js},ruby-on-rails,devise,assets,precompile,Ruby On Rails,Devise,Assets,Precompile,我只是在布局中包含了一个js(jquery.simulate),并在development.rb中声明要预编译。但当我尝试运行rails应用程序时,它会出现以下错误:ActionController::UnknownFormat:ActionController::UnknownFormat. 以下是完整的跟踪: 2017-07-07 12:24:18+0530E,[2017-07-07T12:24:18.699146 35; 31265]错误——哨兵:*[Raven]由于先前的失败而未发送事件

我只是在布局中包含了一个js(jquery.simulate),并在development.rb中声明要预编译。但当我尝试运行rails应用程序时,它会出现以下错误:
ActionController::UnknownFormat:ActionController::UnknownFormat.

以下是完整的跟踪:

2017-07-07 12:24:18+0530E,[2017-07-07T12:24:18.699146 35; 31265]错误——哨兵:*[Raven]由于先前的失败而未发送事件。 E、 [2017-07-07T12:24:18.699306#31265]错误--哨兵:*[Raven]未能提交事件:ActionController::UnknownFormat:ActionController::UnknownFormat 2017-07-07 12:24:18+0530严重性=致命,2017-07-07 12:24:18+0530严重性=致命 设计(4.2.0)应用程序/控制器/设计/会话/控制器。rb:12:innew' actionpack(5.0.1)lib/action\u controller/metal/basic\u implicit\u render.rb:4:in
send\u action'
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