How to keep the groupchat room (MUC) existing all the time even if disconnected from the XMPP server?
问题 I am developing a instant message module (part of J2EE web app) using openfire/jsjac within the protocol of XMPP (Jabber). The openfire users/groups management/tables has been redirected to our business database tables,which means I do not need to maintain users/groups in openfire any more. all the users/group relationship has been set in business database. Below is the Image i draw about the main pane according to requirement. because of my low reputaion i can not post an image, So i post a