docs: function(err) {
            logger.entry('Client._tryService.connError', _id);
  
            err = lookupError(err);
            logger.log('data', _id, 'failed to connect to: ' + logUrl +
                       ' due to error: ' + util.inspect(err));
  
            // This service failed to connect. Try the next one.
            // XXX: wrap in shouldReconnect ?
            tryNextService(err);
  
            logger.exit('Client._tryService.connError', _id, null);
          }