code: function (data) {
          data = data || '[no more details provided by worker]';
          Worker.logger.log('warn', 'work failed with exception, handle=%s, exception=%s', this.handle, data.toString());
          this._sendAndClose(protocol.PACKET_TYPES.WORK_EXCEPTION, [this.handle, data]);
      }
docs: This is to notify the server (and any listening clients) that the job failed with the given exception.
  The job will be closed for additional processing in worker.
  
  @deprecated https://bugs.launchpad.net/gearmand/+bug/405732
  @method
  @memberof Job
  @param {object} data to be sent to client as text via #toString() invoked on the given object
  @returns {void} nothing