Meta_server unable to connect kerberos zookeeper where KDC configuration "rdns = false" about incubator-pegasus HOT 1 CLOSED

int zoo_sasl_connect(zhandle_t *zh)
{
......
    rc = _zsasl_getipport(zh, (const struct sockaddr *)&local_ip, salen,
        iplocalport, NULL);
    if (rc < 0) {
        return _zsasl_fail(zh, rc);
    }

    salen = sizeof(remote_ip);
    if (getpeername(zh->fd->sock, (struct sockaddr *)&remote_ip, &salen) < 0) {
        LOG_ERROR(LOGCALLBACK(zh), "getpeername");
        return _zsasl_fail(zh, ZSYSTEMERROR);
    }

    rc = _zsasl_getipport(zh, (const struct sockaddr *)&remote_ip, salen,
        ipremoteport, host);
    if (rc < 0) {
        return _zsasl_fail(zh, rc);
    }
......
    /* client new connection */
    sr = sasl_client_new(
        sc->params.service,
        sc->params.host ? sc->params.host : host,
        iplocalport,
        ipremoteport,
        sc->params.callbacks,
        /*secflags*/0,
        &sc->conn);

    if (sr != SASL_OK) {
        LOG_ERROR(LOGCALLBACK(zh),
            "allocating SASL connection state: %s",
            sasl_errstring(sr, NULL, NULL));
        return _zsasl_fail(zh, ZSYSTEMERROR);
    }

    return ZOK;
}