Dominik Stadler
1ff1e84e4a
Avoid some NullPointerException and ClassCastExceptions found when fuzzing Apache POI
This mostly only makes thrown runtime-exceptions a bit more consistent and
improves information in exceptions.
git-svn-id: https://svn.apache.org/repos/asf/poi/trunk@1906360 13f79535-47bb-0310-9956-ffa450edef68