Raised when a nested respond_to is triggered and the content types of each are incompatible. For example:

respond_to do |outer_type|
  outer_type.js do
    respond_to do |inner_type|
      inner_type.html { render body: "HTML" }
    end
  end
end

Methods

Constants

DEFAULT_MESSAGE = "respond_to was called multiple times and matched with conflicting formats in this action. Please note that you may only call respond_to and match on a single format per action."

Class Public methods

new(message = nil)

📝 Source code 
# File actionpack/lib/action_controller/metal/exceptions.rb, line 89
    def initialize(message = nil)
      super(message || DEFAULT_MESSAGE)
    end
🔎 See on GitHub