class ActiveRecord::RecordNotDestroyed

User.first.destroy! # => raises an ActiveRecord::RecordNotDestroyed
end
end
throw :abort if still_active?
before_destroy do
class User < ActiveRecord::Base
ActiveRecord::Callbacks for further details.
before_destroy callbacks throwing :abort. See
when a record cannot be destroyed due to any of the
Raised by ActiveRecord::Base#destroy!

def initialize(message = nil, record = nil) 

def initialize(message = nil, record = nil)
  @record = record
  super(message)
end