I am also having this same problem. I can save files, but when i try to load them on java nothing comes up!
Also since i haven't been able to save, I've just minimized my work on java floating mode, but after a while it just disappears, and when i go to the original drawing page it doesn't show up...its completely gone help!!!
:(im having i draw my drawing and i try to save and let it go to my computer for later drawing but when i try to uplaod it back its taking long to load it said loading but nothing happen can you help me please