Getting a 500 response due to a class cast exception when trying to download a file in VA, which, for one of the 3D map files (bassetcreekstereo.jpg), hits http://seadva.d2i.indiana.edu/sead-wf/datastream/http%3A//bluespruce.pti.indiana.edu%3A8181/dcs-nced/entity/4750 - browser shows the stack trace.