Difference in behaviour of "telepathy-gabble", when ejabberd is used with CentOS and Debian-6

Jerry Vonau jvonau at shaw.ca
Sun Jan 20 13:41:16 EST 2013


On Sun, 2013-01-20 at 13:44 +0530, Ajay Garg wrote:
> Any ideas, please?  :)
> 
> 

Ok, how about a couple of questions. What version of erlang is
installed? Did you create the *online* group?

Jerry


> On Fri, Jan 18, 2013 at 2:03 PM, Ajay Garg <ajay at activitycentral.com>
> wrote:
>         Hi all.
>         
>         I have been trying to get buddies visible in the
>         neighborhood-view, when XOs are communicating via
>         ejabberd-server (via telepathy-gabble).
>         Following are the two cases ::
>         
>         
>         i)
>         Client  :: Sugar (Fedora-18 based) 
>         Server :: ejabberd on CentOS (XS-0.7)
>         
>         In this case, I am able to register the users on the server;
>         and receive the  "members changed signals" (as per the
>         attached PASS_telepathy_gabble.log).
>         Of course, the buddies are able to see each other too :)
>         
>         
>         ii)
>         Client  :: Sugar (Fedora-18 based) 
>         Server :: ejabberd on Debian-6
>         
>         In this case, I am able to register the users on the server;
>         but DO NOT receive the "members changed signals" (as per the
>         attached FAIL_telepathy_gabble.log).
>         Hence, buddies are not able to see each other.
>         
>         
>         
>         Some additional notes ::
>         ==================
>         
>         a)
>         Both servers are running with the same  "ejabberd.cfg" file,
>         as attached.
>         
>         
>         b)
>         On CentOS, following are effective, before starting
>         ejabberd ::
>                                  
>                                                    setenforce 0
>                                                    service iptables
>         stop
>                                                    service ip6tables
>         stop
>         
>         
>         On Debian-6, following are effective, before starting
>         ejabberd ::
>         
>                                                    setenforce 0
>                                                    iptables -F
>                                                    iptables -X
>                                                    iptables -t nat -F
>                                                    iptables -t nat
>         -X   
>                                                    iptables -t mangle
>         -F
>                                                    iptables -t mangle
>         -X
>                                                    ip6tables -F
>                                                    ip6tables -X
>                                                    ip6tables -t mangle
>         -F
>                                                    ip6tables -t mangle
>         -X
>         
>         
>         
>         c)
>         Both servers are running the same ejabberd codebase (the
>         patched version of 2.1.10), containing all the patches in
>         http://dev.laptop.org/xs/repos/stable/olpc/xs-0.7/source/ejabberd-2.1.10-1.el6.olpc1.src.rpm  (Thanks again Jerry).
>         
>         More  importantly, the issue of
>         https://support.process-one.net/browse/EJAB-1533 is fixed via
>         the "persist-all-pubsub.patch" (Thanks Daniel Drake). 
>         The buddy-properties are persisted, as seen via "ejabberdctl
>         dump db.txt" (as seen on both CentOS and Debian).
>         
>         
>         ################################################################################################################
>         However, very surprisingly, the "__get_members_ready_cb" still
>         receives NOTHING in the failure-debian case          (see
>         FAIL-shell.log),
>         
>         but receives the buddy-properties in pass-CentOScase (see
>         PASS-shell.log).
>         #################################################################################################################
>         
>         
>         
>         d)
>         Most importantly, on both the servers, the "Send XML Stream"
>         log is seen in "/var/log/ejabberd/ejabberd.log"; however, the
>         members-changed signal is seen only in the CentOS-ejabberd
>         case, but not in Debian-6-ejabberd case.
>         
>         
>         For brevity, I am also pasting the  "Send XML Stream" message
>         (which happens to be the same on both the  servers) ::
>         ======================================================================================
>         
>         
>         =INFO REPORT==== 2013-01-17 23:46:45 ===
>         D(<0.360.0>:ejabberd_c2s:1561) : Send XML on stream =
>         <<"<message
>         from='5ccefd7c37c12600296e0505ad3be79c0476e06e at schoolserver.mazaq.org' to='5ccefd7c37c12600296e0505ad3be79c0476e06e at schoolserver.mazaq.org/sugar' type='headline'><event xmlns='http://jabber.org/protocol/pubsub#event'><items node='http://laptop.org/xmpp/buddy-properties'><item id='54E6D08D69C42'><properties xmlns='http://laptop.org/xmpp/buddy-properties'><property name='color' type='str'>#00A0FF,#9A5200</property><property name='key' type='bytes'>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</property></properties></item></items></event><addresses xmlns='http://jabber.org/protocol/address'><address type='replyto' jid='5ccefd7c37c12600296e0505ad3be79c0476e06e at schoolserver.mazaq.org/sugar'/></addresses></message>">>
>         
>         
>         It seems that on Debian, the server is sending messages that
>         SHOULD trigger the "__get_members_ready_cb" signal (with
>         non-empty arguments), but somehow this doesn't happen (in
>         Debian case, that is). :(
>         
>         
>         
>         
>         So. has anyone tried ejabberd on Debian, and faced similar
>         issues?
>         Is it that some additional configuration is needed on Debian;
>         or ejabberd truly doesn't talk gabble well on Debian?
>         
>         
>         I will be grateful for any pointers on this; please let me
>         know if you need me to do any additional tests on my side.
>         
>         
>         
>         Regards,
>         
>         Ajay Garg
>         Dextrose Developer
>         Activity Central: http://activitycentral.com
> 
> 
> 
> -- 
> Regards,
> 
> Ajay Garg
> Dextrose Developer
> Activity Central: http://activitycentral.com 
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