/usr/share/java/snappy-java-1.0.4.1.jar is in libsnappy-java 1.0.4.1~dfsg-1.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/share/java/../maven-repo/org/xerial/snappy/snappy-java/1.0.4.1/snappy-java-1.0.4.1.jar