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Exception: ActiveModel::ForbiddenAttributesError

Relationships & Source Files
Super Chains via Extension / Inclusion / Inheritance
Class Chain:
self, StandardError
Instance Chain:
self, StandardError
Inherits: StandardError
  • ::Object
Defined in: activemodel/lib/active_model/forbidden_attributes_protection.rb

Overview

Raised when forbidden attributes are used for mass assignment.

class Person < ActiveRecord::Base
end

params = ActionController::Parameters.new(name: 'Bob')
Person.new(params)
# => ActiveModel::ForbiddenAttributesError

params.permit!
Person.new(params)
# => #<Person id: nil, name: "Bob">