/usr/lib/x86_64-linux-gnu/libmpi_java.so.20.0.1 is in libopenmpi2 2.0.2-2.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/lib/x86_64-linux-gnu/openmpi/lib/libmpi_java.so.20.0.1
/usr/lib/x86_64-linux-gnu/openmpi/lib/libmpi_java.so.20.0.1