The update from PPA of Gabble version 0.7.30-1~ppa9.04+1 solved the connection issue for me, against ejabberd servers. So it seems that the problem is solved.
The update from PPA of Gabble version 0.7.30-1~ppa9.04+1 solved the connection issue for me, against ejabberd servers. So it seems that the problem is solved.