#524 fixed. The exception was thrown because the IBM J9 TreeMap does not have a sortable set as key set, one must explicitly call the navigableSet() method.
#524 fixed. The exception was thrown because the IBM J9 TreeMap does not have a sortable set as key set, one must explicitly call the navigableSet() method.

joansmith/bnd,joansmith/bnd,magnet/bnd,GEBIT/bnd,xtracoder/bnd,psoreide/bnd,psoreide/bnd,psoreide/bnd,mcculls/bnd,magnet/bnd,lostiniceland/bnd,lostiniceland/bnd,mcculls/bnd,GEBIT/bnd,magnet/bnd,xtracoder/bnd,lostiniceland/bnd,mcculls/bnd