/usr/share/doc/libhdf5-java/RELEASE.txt.gz is in libhdf5-java 1.10.0-patch1+docs-4.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/share/doc/libhdf5-java/changelog.gz
/usr/share/doc/libhdf5-java/changelog.gz