Error CONNECTION REFUSED

gistfile1.rb

def create_url
  country = Country.where(:name => params[:country]).first
  @wine = Wine.create(
    :name => params[:name],
    :country => BSON::ObjectId.from_string(country.id.to_s),
    :region => params[:region],
    :varietal => params[:varietal],
    :producer => params[:producer],
    :wine_type => params[:wine_type],
    :year => params[:year],
    :content => params[:content],
    :savin => params[:savin]
  )
  respond_with @wine
end