<html><head></head><body><div style="font-family: Verdana;font-size: 12.0px;"><div> <div> <div>Hi Bruce,</div> <div> </div> <div>maybe this might help. Just a quick googleing.....</div> <div> </div> <div>https://discussions.apple.com/thread/3706169?start=0&tstart=0 (not a spacewalk link... I know ;-) )</div> <div> </div> <div>Robert</div> <div> </div> <div name="quote" style="margin:10px 5px 5px 10px; padding: 10px 0 10px 10px; border-left:2px solid #C3D9E5; word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space;"> <div style="margin:0 0 10px 0;"><b>Gesendet:</b> Dienstag, 27. Juni 2017 um 08:18 Uhr<br/> <b>Von:</b> "Bruce Wainer" <bruce@brucewainer.com><br/> <b>An:</b> spacewalk-list@redhat.com<br/> <b>Betreff:</b> Re: [Spacewalk-list] Problem installing Spacewalk on CentOS7 (Brand new install)</div> <div name="quoted-content"> <div> <div> <div> <div>Robert,</div> Using any type of DNS lookup tool does properly resolve the FQDN to the machine's IP address, both on this machine and on others in the network that use the internal DNS servers. Is reverse lookups (IP -> FQDN) required as well?<br/> <br/> # host <a href="http://netman.ad.brucewainer.com" target="_blank">netman.ad.brucewainer.com</a><br/> <a href="http://netman.ad.brucewainer.com" target="_blank">netman.ad.brucewainer.com</a> has address 192.168.10.20<br/> </div> Thanks,</div> Bruce <div class="gmail_extra"> <div> <div class="gmail_signature">Bruce Wainer</div> </div> <div class="gmail_quote">On Tue, Jun 27, 2017 at 12:34 AM, Robert Paschedag <span><<a href="mailto:robert.paschedag@web.de" onclick="parent.window.location.href='robert.paschedag@web.de'; return false;" target="_blank">robert.paschedag@web.de</a>></span> wrote: <blockquote class="gmail_quote" style="margin: 0.0px 0.0px 0.0px 0.8ex;border-left: 1.0px solid rgb(204,204,204);padding-left: 1.0ex;"> <div class="gmail-HOEnZb"> <div class="gmail-h5">Am 27. Juni 2017 03:25:00 MESZ schrieb Bruce Wainer <<a href="mailto:bruce@brucewainer.com" onclick="parent.window.location.href='bruce@brucewainer.com'; return false;" target="_blank">bruce@brucewainer.com</a>>:<br/> >Hello all,<br/> ><br/> >I have found an issue installing SpaceWalk on CentOS7 that I have not<br/> >been<br/> >able to diagnose/resolve (aside from the required downgrade of c3p0 as<br/> >mentioned here <a href="https://bugzilla.redhat.com/show_bug.cgi?id=1442140" target="_blank">https://bugzilla.redhat.com/show_bug.cgi?id=1442140</a> ).<br/> ><br/> >Issue: osa-dispatcher.service crashes on start with "'Not able to<br/> >reconnect"<br/> ><br/> >Background Information: Brand new install of CentOS7, set the hostname<br/> >durin the installer, ran updates, made sure hostname was correct in all<br/> >locations including /etc/hosts, followed the spacewalk installation<br/> >instructions verbatim.<br/> ><br/> >Every time osa-dispatcher is started, "journal -xe" logs the following<br/> >3<br/> >times (I think due to three connection attempts)<br/> >Jun 26 21:09:37 <a href="http://NETMAN.ad.brucewainer.com" target="_blank">NETMAN.ad.brucewainer.com</a> jabberd/c2s[1003]: [7]<br/> >[::ffff:192.168.10.20, port=45018] connect<br/> >Jun 26 21:09:37 <a href="http://NETMAN.ad.brucewainer.com" target="_blank">NETMAN.ad.brucewainer.com</a> jabberd/c2s[1003]: [7]<br/> >[::ffff:192.168.10.20, port=45018] disconnect jid=unbound, packets: 0,<br/> >bytes: 168<br/> >Jun 26 21:09:37 <a href="http://NETMAN.ad.brucewainer.com" target="_blank">NETMAN.ad.brucewainer.com</a> jabberd/c2s[1003]: SASL<br/> >callback<br/> >for non-existing host: <a href="http://NETMAN.ad.brucewainer.com" target="_blank">NETMAN.ad.brucewainer.com</a><br/> >Jun 26 21:09:37 <a href="http://NETMAN.ad.brucewainer.com" target="_blank">NETMAN.ad.brucewainer.com</a> jabberd/c2s[1003]: SASL<br/> >callback<br/> >for non-existing host: <a href="http://NETMAN.ad.brucewainer.com" target="_blank">NETMAN.ad.brucewainer.com</a><br/> >Jun 26 21:09:37 <a href="http://NETMAN.ad.brucewainer.com" target="_blank">NETMAN.ad.brucewainer.com</a> jabberd/c2s[1003]: SASL<br/> >callback<br/> >for non-existing host: <a href="http://NETMAN.ad.brucewainer.com" target="_blank">NETMAN.ad.brucewainer.com</a><br/> >Jun 26 21:09:37 <a href="http://NETMAN.ad.brucewainer.com" target="_blank">NETMAN.ad.brucewainer.com</a> jabberd/c2s[1003]: SASL<br/> >callback<br/> >for non-existing host: <a href="http://NETMAN.ad.brucewainer.com" target="_blank">NETMAN.ad.brucewainer.com</a><br/> >Jun 26 21:09:37 <a href="http://NETMAN.ad.brucewainer.com" target="_blank">NETMAN.ad.brucewainer.com</a> jabberd/c2s[1003]: SASL<br/> >callback<br/> >for non-existing host: <a href="http://NETMAN.ad.brucewainer.com" target="_blank">NETMAN.ad.brucewainer.com</a><br/> >Jun 26 21:09:37 <a href="http://NETMAN.ad.brucewainer.com" target="_blank">NETMAN.ad.brucewainer.com</a> jabberd/c2s[1003]: SASL<br/> >callback<br/> >for non-existing host: <a href="http://NETMAN.ad.brucewainer.com" target="_blank">NETMAN.ad.brucewainer.com</a><br/> >Jun 26 21:09:37 <a href="http://NETMAN.ad.brucewainer.com" target="_blank">NETMAN.ad.brucewainer.com</a> jabberd/c2s[1003]: SASL<br/> >callback<br/> >for non-existing host: <a href="http://NETMAN.ad.brucewainer.com" target="_blank">NETMAN.ad.brucewainer.com</a><br/> >Jun 26 21:09:37 <a href="http://NETMAN.ad.brucewainer.com" target="_blank">NETMAN.ad.brucewainer.com</a> jabberd/c2s[1003]: SASL<br/> >callback<br/> >for non-existing host: <a href="http://NETMAN.ad.brucewainer.com" target="_blank">NETMAN.ad.brucewainer.com</a><br/> >Jun 26 21:09:37 <a href="http://NETMAN.ad.brucewainer.com" target="_blank">NETMAN.ad.brucewainer.com</a> jabberd/c2s[1003]: SASL<br/> >callback<br/> >for non-existing host: <a href="http://NETMAN.ad.brucewainer.com" target="_blank">NETMAN.ad.brucewainer.com</a><br/> >Jun 26 21:09:37 <a href="http://NETMAN.ad.brucewainer.com" target="_blank">NETMAN.ad.brucewainer.com</a> jabberd/c2s[1003]: SASL<br/> >callback<br/> >for non-existing host: <a href="http://NETMAN.ad.brucewainer.com" target="_blank">NETMAN.ad.brucewainer.com</a><br/> >Jun 26 21:09:37 <a href="http://NETMAN.ad.brucewainer.com" target="_blank">NETMAN.ad.brucewainer.com</a> jabberd/c2s[1003]: SASL<br/> >callback<br/> >for non-existing host: <a href="http://NETMAN.ad.brucewainer.com" target="_blank">NETMAN.ad.brucewainer.com</a><br/> ><br/> >Based on this it seems like jabberd isn't recognizing the hostname, but<br/> >I<br/> >have followed the "Resolution" and "Diagnostic Steps" here:<br/> ><a href="https://access.redhat.com/solutions/327903" target="_blank">https://access.redhat.com/solutions/327903</a> to no avail, as well as<br/> >every<br/> >other google result related to "SASL callback for non-existing host".<br/> >Since<br/> >my hostname was set during the installation, it was automatically and<br/> >correctly put into every config file that matters, other than<br/> >/etc/hosts<br/> >which I have rechecked a haf dozen times. You can see in the journalctl<br/> >output that the host that jabberd is seeing matches the actual<br/> >hostname.<br/> >I've done the complete setup from scratch twice to make sure I hadn't<br/> >missed any step in the installation instructions.<br/> ><br/> >Joe Belliveau, it sounded like you ran into an issue like this with<br/> >your<br/> >new install?<br/> ><br/> >Thanks in advance for any assistance,<br/> >Bruce Wainer<br/> </div> </div> So.... Testing your DNS resolution with "dig" or "host" or "nslookup" does resolve your hostname correctly?<br/> <br/> Just found this right now but it looks there was no answer yet...<br/> <br/> <a href="https://www.redhat.com/archives/spacewalk-list/2017-February/msg00022.html" target="_blank">https://www.redhat.com/archives/spacewalk-list/2017-February/msg00022.html</a><br/> <br/> <span class="gmail-HOEnZb"><font color="#888888">Robert</font></span><br/> <br/> </blockquote> </div> </div> </div> _______________________________________________ Spacewalk-list mailing list Spacewalk-list@redhat.com <a href="https://www.redhat.com/mailman/listinfo/spacewalk-list" target="_blank">https://www.redhat.com/mailman/listinfo/spacewalk-list</a></div> </div> </div> </div></div></body></html>