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RailsでPOSTしようとした時のActionController::InvalidAuthenticityTokenエラー

Posted at 2021-06-03

##Rails4 - 解決法

/app/assets/controllers/application_controller.rb

class ApplicationController < ActionController::Base
  # protect_from_forgery with: :exception
end

protect_from_forgery with: :exception をコメントアウトする

##Rails5.2以上 - 解決法1

/app/assets/controllers/application_controller.rb

class ApplicationController < ActionController::Base
  skip_before_action :verify_authenticity_token, raise: false
end

skip_before_action :verify_authenticity_token, raise: false を追記する

##Rails5.2以上 - 解決法2

/app/assets/controllers/application_controller.rb

class ApplicationController < ActionController::Base
  protect_from_forgery
end

protect_from_forgery を追記する