ActiveModel ::管理者でForbiddenAttributesError :: MerchantsController＃は

Question

を作成し、私はForbiddenAttrutesError私がしようとするたびに取得していますし、下のフォームを保存

.mdl-grid.mdl-cell.mdl-cell--6-col.mdl-cell--4-offset 
.mdl-textfield.mdl-js-textfield.mdl-textfield--floating-label 
    = form.text_field :name, class: 'mdl-textfield__input' 
    = form.label :name, class: 'mdl-textfield__label' 
    .mdl-textfield.mdl-js-textfield.mdl-textfield--floating-label 
    = form.email_field :email, class: 'mdl-textfield__input' 
    = form.label :email, class: 'mdl-textfield__label' 
    = form.fields_for :addresses, Address.new do |address_fields| 
    .mdl-textfield.mdl-js-textfield.mdl-textfield--floating-label 
     = address_fields.text_field :first_name, class: 'mdl-textfield__input' 
     = address_fields.label :first_name, class: 'mdl-textfield__label' 
    .mdl-textfield.mdl-js-textfield.mdl-textfield--floating-label 
     = address_fields.text_field :last_name, class: 'mdl-textfield__input' 
     = address_fields.label :last_name, class: 'mdl-textfield__label' 
    .mdl-textfield.mdl-js-textfield.mdl-textfield--floating-label 
     = address_fields.text_field :address1, class: 'mdl-textfield__input' 
     = address_fields.label :address1, class: 'mdl-textfield__label' 
    .mdl-textfield.mdl-js-textfield.mdl-textfield--floating-label 
     = address_fields.text_field :address2, class: 'mdl-textfield__input' 
     = address_fields.label :address2, class: 'mdl-textfield__label' 
    .mdl-textfield.mdl-js-textfield.mdl-textfield--floating-label 
     = address_fields.text_field :city, class: 'mdl-textfield__input' 
     = address_fields.label :city, class: 'mdl-textfield__label' 
    .mdl-textfield.mdl-js-textfield.mdl-textfield--floating-label 
     = address_fields.text_field :zip_code, class: 'mdl-textfield__input' 
     = address_fields.label :zip_code, class: 'mdl-textfield__label' 

アドレスモデル

class Address < ActiveRecord::Base 

    belongs_to :state 
    belongs_to :country 
    belongs_to :address_type 
    belongs_to :addressable, :polymorphic => true 

商人モデル

has_many :addresses,  dependent: :destroy,  as: :addressable 

    has_one  :default_billing_address, -> { where(billing_default: true, active: true) }, 
       as:   :addressable, 
       class_name: 'Address' 

    has_many :billing_addresses,   -> { where(active: true) }, 
       as:   :addressable, 
       class_name: 'Address' 

    has_one  :default_shipping_address, -> { where(default: true, active: true) }, 
       as:   :addressable, 
       class_name: 'Address' 

    has_many  :shipping_addresses,  -> { where(active: true) }, 
       as:   :addressable, 
       class_name: 'Address' 

    before_validation :sanitize_data 

    validates :name,  presence: true,  length: { maximum: 255 } 
    validates :email,  format: { with: CustomValidators::Emails.email_validator },  :length => { :maximum => 255 } 

    # geocoded_by :address 
    # after_validation :geocode 
    # after_create :sanitize_dates 

    accepts_nested_attributes_for :addresses 

販売元

Started POST "/en/admin/merchants" for 127.0.0.1 at 2016-05-24 22:30:02 +1000 
Processing by Admin::MerchantsController#create as HTML 
    Parameters: {"utf8"=>"✓", "authenticity_token"=>"[FILTERED]", "merchant"=>{"name"=>"Test", "email"=>"test@test.com", "addresses_attributes"=>{"0"=>{"first_name"=>"Paul", "last_name"=>"M", "address1"=>"12 Dansu Ct", "address2"=>"", "city"=>"Hallam", "zip_code"=>"3803"}}}, "commit"=>"Create", "locale"=>"en"} 
    User Load (0.4ms) SELECT "users".* FROM "users" WHERE "users"."remember_token" = $1 ORDER BY "users"."id" ASC LIMIT 1 [["remember_token", "5d0fec3c9ccb5afcd28845dd83eb18869f66b4b0"]] 
Completed 500 Internal Server Error in 16ms (ActiveRecord: 0.4ms) 

ActiveModel::ForbiddenAttributesError (ActiveModel::ForbiddenAttributesError): 
    activemodel (4.2.6) lib/active_model/forbidden_attributes_protection.rb:21:in `sanitize_for_mass_assignment' 
    activerecord (4.2.6) lib/active_record/attribute_assignment.rb:33:in `assign_attributes' 
    activerecord (4.2.6) lib/active_record/core.rb:566:in `init_attributes' 
    activerecord (4.2.6) lib/active_record/core.rb:281:in `initialize' 
    activerecord (4.2.6) lib/active_record/inheritance.rb:61:in `new' 
    activerecord (4.2.6) lib/active_record/inheritance.rb:61:in `new' 
    cancancan (1.14.0) lib/cancan/controller_resource.rb:80:in `build_resource' 
    cancancan (1.14.0) lib/cancan/controller_resource.rb:61:in `load_resource_instance' 
    cancancan (1.14.0) lib/cancan/controller_resource.rb:32:in `load_resource' 
    cancancan (1.14.0) lib/cancan/controller_resource.rb:25:in `load_and_authorize_resource' 
    cancancan (1.14.0) lib/cancan/controller_resource.rb:10:in `block in add_before_filter' 
    activesupport (4.2.6) lib/active_support/callbacks.rb:448:in `instance_exec' 
    activesupport (4.2.6) lib/active_support/callbacks.rb:448:in `block in make_lambda' 
    activesupport (4.2.6) lib/active_support/callbacks.rb:164:in `block in halting' 
    activesupport (4.2.6) lib/active_support/callbacks.rb:504:in `block in call' 
    activesupport (4.2.6) lib/active_support/callbacks.rb:504:in `each' 
    activesupport (4.2.6) lib/active_support/callbacks.rb:504:in `call' 
    activesupport (4.2.6) lib/active_support/callbacks.rb:92:in `__run_callbacks__' 
    activesupport (4.2.6) lib/active_support/callbacks.rb:778:in `_run_process_action_callbacks' 
    activesupport (4.2.6) lib/active_support/callbacks.rb:81:in `run_callbacks' 
    actionpack (4.2.6) lib/abstract_controller/callbacks.rb:19:in `process_action' 
    actionpack (4.2.6) lib/action_controller/metal/rescue.rb:29:in `process_action' 
    actionpack (4.2.6) lib/action_controller/metal/instrumentation.rb:32:in `block in process_action' 
    activesupport (4.2.6) lib/active_support/notifications.rb:164:in `block in instrument' 
    activesupport (4.2.6) lib/active_support/notifications/instrumenter.rb:20:in `instrument' 
    activesupport (4.2.6) lib/active_support/notifications.rb:164:in `instrument' 
    actionpack (4.2.6) lib/action_controller/metal/instrumentation.rb:30:in `process_action' 
    actionpack (4.2.6) lib/action_controller/metal/params_wrapper.rb:250:in `process_action' 
    activerecord (4.2.6) lib/active_record/railties/controller_runtime.rb:18:in `process_action' 
    actionpack (4.2.6) lib/abstract_controller/base.rb:137:in `process' 
    actionview (4.2.6) lib/action_view/rendering.rb:30:in `process' 
    actionpack (4.2.6) lib/action_controller/metal.rb:196:in `dispatch' 
    actionpack (4.2.6) lib/action_controller/metal/rack_delegation.rb:13:in `dispatch' 
    actionpack (4.2.6) lib/action_controller/metal.rb:237:in `block in action' 
    actionpack (4.2.6) lib/action_dispatch/routing/route_set.rb:74:in `dispatch' 
    actionpack (4.2.6) lib/action_dispatch/routing/route_set.rb:43:in `serve' 
    actionpack (4.2.6) lib/action_dispatch/journey/router.rb:43:in `block in serve' 
    actionpack (4.2.6) lib/action_dispatch/journey/router.rb:30:in `each' 
    actionpack (4.2.6) lib/action_dispatch/journey/router.rb:30:in `serve' 
    actionpack (4.2.6) lib/action_dispatch/routing/route_set.rb:817:in `call' 
    bullet (5.1.0) lib/bullet/rack.rb:10:in `call' 
    clearance (1.14.1) lib/clearance/rack_session.rb:23:in `call' 
    rack (1.6.4) lib/rack/etag.rb:24:in `call' 
    rack (1.6.4) lib/rack/conditionalget.rb:38:in `call' 
    rack (1.6.4) lib/rack/head.rb:13:in `call' 
    actionpack (4.2.6) lib/action_dispatch/middleware/params_parser.rb:27:in `call' 
    actionpack (4.2.6) lib/action_dispatch/middleware/flash.rb:260:in `call' 
    rack (1.6.4) lib/rack/session/abstract/id.rb:225:in `context' 
    rack (1.6.4) lib/rack/session/abstract/id.rb:220:in `call' 
    actionpack (4.2.6) lib/action_dispatch/middleware/cookies.rb:560:in `call' 
    activerecord (4.2.6) lib/active_record/query_cache.rb:36:in `call' 
    activerecord (4.2.6) lib/active_record/connection_adapters/abstract/connection_pool.rb:653:in `call' 
    actionpack (4.2.6) lib/action_dispatch/middleware/callbacks.rb:29:in `block in call' 
    activesupport (4.2.6) lib/active_support/callbacks.rb:88:in `__run_callbacks__' 
    activesupport (4.2.6) lib/active_support/callbacks.rb:778:in `_run_call_callbacks' 
    activesupport (4.2.6) lib/active_support/callbacks.rb:81:in `run_callbacks' 
    actionpack (4.2.6) lib/action_dispatch/middleware/callbacks.rb:27:in `call' 
    actionpack (4.2.6) lib/action_dispatch/middleware/reloader.rb:73:in `call' 
    actionpack (4.2.6) lib/action_dispatch/middleware/remote_ip.rb:78:in `call' 
    actionpack (4.2.6) lib/action_dispatch/middleware/debug_exceptions.rb:17:in `call' 
    web-console (3.1.1) lib/web_console/middleware.rb:131:in `call_app' 
    web-console (3.1.1) lib/web_console/middleware.rb:28:in `block in call' 
    web-console (3.1.1) lib/web_console/middleware.rb:18:in `catch' 
    web-console (3.1.1) lib/web_console/middleware.rb:18:in `call' 
    actionpack (4.2.6) lib/action_dispatch/middleware/show_exceptions.rb:30:in `call' 
    railties (4.2.6) lib/rails/rack/logger.rb:38:in `call_app' 
    railties (4.2.6) lib/rails/rack/logger.rb:20:in `block in call' 
    activesupport (4.2.6) lib/active_support/tagged_logging.rb:68:in `block in tagged' 
    activesupport (4.2.6) lib/active_support/tagged_logging.rb:26:in `tagged' 
    activesupport (4.2.6) lib/active_support/tagged_logging.rb:68:in `tagged' 
    railties (4.2.6) lib/rails/rack/logger.rb:20:in `call' 
    quiet_assets (1.1.0) lib/quiet_assets.rb:27:in `call_with_quiet_assets' 
    actionpack (4.2.6) lib/action_dispatch/middleware/request_id.rb:21:in `call' 
    rack (1.6.4) lib/rack/methodoverride.rb:22:in `call' 
    rack (1.6.4) lib/rack/runtime.rb:18:in `call' 
    rack (1.6.4) lib/rack/lock.rb:17:in `call' 
    actionpack (4.2.6) lib/action_dispatch/middleware/static.rb:120:in `call' 
    rack (1.6.4) lib/rack/sendfile.rb:113:in `call' 
    railties (4.2.6) lib/rails/engine.rb:518:in `call' 
    railties (4.2.6) lib/rails/application.rb:165:in `call' 
    rack (1.6.4) lib/rack/content_length.rb:15:in `call' 
    puma (3.4.0) lib/puma/configuration.rb:224:in `call' 
    puma (3.4.0) lib/puma/server.rb:569:in `handle_request' 
    puma (3.4.0) lib/puma/server.rb:406:in `process_client' 
    puma (3.4.0) lib/puma/server.rb:271:in `block in run' 
    puma (3.4.0) lib/puma/thread_pool.rb:114:in `block in spawn_thread' 

Answer 1

private 

    def allowed_params 
    params.require(:merchant).permit(:name, :email, addresses_attributes: [:first_name, :last_name, :address1, :address2, :city, :zip_code, :country_id]) 
    end 

完全なエラーメッセージは、「cancancan」宝石が強いパラメータがnested_formsで問題を引き起こして妨害されたことが表示されます。宝石を取り除いて以来、私の問題は解決しました。