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Editorial Team
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Asked: 2026-05-29T22:26:14+00:00

I’am a new user on stack, but I have a problem with MultiUserChat in

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I’am a new user on stack, but I have a problem with MultiUserChat in aSmack library 3.2.1 for android. I’m using “gtalk.google.com” server. It’s a simple example and I’am only one in room:

 String room="myConference@conference.jabber.org";
 MultiUserChat muc = new MultiUserChat(connection,room);
 muc.join(userNameInRoom);

 muc.addMessageListener(new PacketListener()
 {
    @Override
    public void processPacket(Packet packet)
    {
         ...
    }
 });

After:

 muc.sendMessage("Text message");

In Log:

DEBUG/SMACK(281): 06:46:29 PM SENT (1140866576): <message id="gsMe7-18"
to="myConference@conference.jabber.org" type="groupchat"><body>Text message
</body></message>

DEBUG/SMACK(281): 06:46:29 PM RCV  (1140866576): <message
from="myConference@conference.jabber.org/userNameInRoom" to="userName"
type="groupchat"><body>Text message</body></message>

Result: “Text message” and it is right, but then:

I again recieved “Text message” with presences:

DEBUG/SMACK(281): 06:54:12 PM RCV  (1140866576): <presence 
from="myConference@conference.jabber.org/userNameInRoom" to="userName"><x xmlns=
"vcard-temp:x:update"><photo/></x><x xmlns="http://jabber.org/protocol/muc#user">
<item affiliation="owner" role="moderator"/><status code="110"/></x></presence>

DEBUG/SMACK(281): 06:54:12 PM RCV  (1140866576): <message 
from="myConference@conference.jabber.org/userNameInRoom" to="userName"
type="groupchat"><body>Text message</body><delay stamp="2012-02-15T17:46:31Z" 
from="myConference@conference.jabber.org" xmlns="urn:xmpp:delay"/><x 
stamp="20120215T17:46:31" from="myConference@conference.jabber.org" 
xmlns="jabber:x:delay"/></message>

And I recieved that again and again whenever server send presences to me. It continues infinitely with interval ~ 5 minutes. And Yes in 30 minutes I recieved ~6 messages “Text message”. If I send more than 1 message all of these messages would been recieved without exceptions when presence send to me.

What problem with my MultiUserChat and what delayed delivery doing here?

Thanks for attention!

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1 Answer

  1. Editorial Team

    In case of “@conference.jabber.org” I didn’t find solution and I decided that problem because of GTalk server and correct version of MultiUserChat is in case with “@groupchat.google.com”.

    I changed my code from:

    room=roomName+"@conference.jabber.org";
MultiUserChat muc = new MultiUserChat(connection, room);

muc.create(userName);

muc.sendConfigurationForm(new Form(Form.TYPE_SUBMIT));

    to:

    room="private-chat-" + UUID.randomUUID().toString() + "@groupchat.google.com";
MultiUserChat muc = new MultiUserChat(connection, room);

muc.join(userName);

muc.sendConfigurationForm(new Form(Form.TYPE_SUBMIT));

    And i tried it, but I got new problem- When user recieve invite message and accept it both clients crash with XmlPullException “END_TAG expected” and something like “< /stream:stream>” in last position in logcat.

    I started to google this problem and found reason. I used asmack from beem client(by the way, before that i used asmack-7 from asmack developer) and how i know it is based on smack 3.1… I found that smack 3.2.0 decided this problem. I downloaded the Flow’s version of asmack and I am pleased with this.

    In conclusion I want to say “Thank you!!!” to Flow for correct version of aSmack, which works better than others.

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