Github user patricker commented on the issue:
https://github.com/apache/nifi/pull/2194
@ijokarumawak I saw that you made some changes to this processor back in
July. I ended up gutting parts of it and using other parts of the Apache POI
library so I could read formatted data. The unit test you built for empty cells
is passing :) If you want to review it... I wouldn't be unhappy---
