more informative exception message at installation.
more informative exception message at installation.

Cosmius/jpype,marscher/jpype,Cosmius/jpype,ktan2020/jpype,icedwater/jpype,icedwater/jpype,icedwater/jpype,Cosmius/jpype,rrader/jpype,originell/jpype,rrader/jpype,originell/jpype,marscher/jpype,originell/jpype,icedwater/jpype,rrader/jpype,ktan2020/jpype,marscher/jpype,Cosmius/jpype,marscher/jpype,originell/jpype,originell/jpype,ktan2020/jpype,rrader/jpype,ktan2020/jpype