rescue_record_invalid

gistfile1.rb

  def rescue_record_invalid(e)
    logger.info(e)
    
    message = e.record.errors.map {|error| 
      "#{t('activerecord.attributes.' + error[0])} #{error[1]}" 
    }.join("\n")

    respond_to do |format|
      format.xml  {
        render :status => :unprocessable_entity,
               :text => format_xml_exception(e, message)
      }
    end
  end