'Error callback.
Handles errors to avoid dropping connections on server tracebacks.
Args:
e (Failure): Deferred error instance.
info (str): Error string.'

def errback(self, e, info):

    e.trap(Exception)
    logger.log_err(('AMP    Error    for    %(info)s:    %(e)s' % {'info': info, 'e': e.getErrorMessage()}))
