Hello,
if using the citizen software mocca with ubuntu and a pcsc reader like the “Reiner SCT Pinpad” you should notice that java searches in the wrong dirs for the pcsclite lib.
So you can do following:
ln -sf /lib/x86_64-linux-gnu/libpcsclite.so.1.0.0 /usr/lib64/libpcsclite.so
Have fun!