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ActionController::UnknownFormat for css files not found

Altcademy Team wrote on 7 February 2018

You have to catch this error yourself.
In application.rb
class ApplicationController < ActionController::Base
  rescue_from ActionController::UnknownFormat, with: :raise_not_found
  private
  def raise_not_found
    render text: 'Not Found', status: 404
  end
end

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