Sounds to me as if something terribly wrong could be lurking in that carboy. What you will need to do is bottle and send to my house for "lab testing" ;-).
You are more likely to have a threesome with members of the Japanese women's curling team whilst spinning a plate on your head than you are likely to screw up a batch of JAOM.
YES, WE HAVE TRIED OTHER YEASTS! USE BREAD YEAST FOR JAOM!