I got this errro message when I leave the MUC room on the android platform.
java.lang.IllegalStateException: Not connected to server.
at org.jivesoftware.smack.XMPPConnection.sendPacket(XMPPConnection.java:445)
at org.jivesoftware.smackx.muc.MultiUserChat.leave(MultiUserChat.java:534)
It works for sometime but sometime hava above message.
Your help is greatly appreciated.