i’m using aSmack (Smack port for Android) to connect to and communicate with an

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Asked: June 7, 20262026-06-07T18:53:41+00:00 2026-06-07T18:53:41+00:00

i’m using aSmack (Smack port for Android) to connect to and communicate with an

0

i’m using aSmack (Smack port for Android) to connect to and communicate with an XMPP server (Openfire 3.7.1). i can get multi user chat to work as far as sending messages with the MultiUserChat class. however, calling any method that lists the occupants of the room fails. relevant code:

setDefaultConnection();
if(connection!=null) {
    mMuc = new MultiUserChat(connection, "hermitage_recycling@conference.jmartinw7");
    try {
        mMuc.join("chester");
        mMuc.getModerators();         //line 71
        ArrayList<Affiliate> dudes = new ArrayList<Affiliate>(mMuc.getMembers());
        Iterator<Affiliate> iter = dudes.iterator();
        while(iter.hasNext()) {
            Affiliate dude = iter.next();
            Log.w(this.getClass().getName(), dude.getNick());
        }
    } catch(XMPPException xmppe) {
        Log.w(this.getClass().getName(), "MUC error: "+xmppe.getMessage());
    }
}

logcat:

07-10 13:38:56.248: ERROR/AndroidRuntime(13003): FATAL EXCEPTION: main
    java.lang.ClassCastException: org.jivesoftware.smack.util.PacketParserUtils$2
    at org.jivesoftware.smackx.muc.MultiUserChat.getOccupants(MultiUserChat.java:1797)
    at org.jivesoftware.smackx.muc.MultiUserChat.getModerators(MultiUserChat.java:1761)
    at org.apache.android.xmpp.XMPPClient$1.onClick(XMPPClient.java:71)
    at android.view.View.performClick(View.java:2532)

is there something wrong with the library or am i doing something wrong? getOccupants() seems to work.

MultiUserChat example and javadocs:
http://www.igniterealtime.org/builds/smack/docs/latest/javadoc/
http://www.igniterealtime.org/builds/smack/docs/latest/documentation/extensions/index.html

aSmack:
http://code.google.com/p/asmack/
http://code.google.com/p/asmack/issues/detail?id=72