/usr/share/maven-repo/org/apache/mina/mina-filter-compression/1.1.7/mina-filter-compression-1.1.7.jar is in libmina-java 1.1.7.dfsg-11.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/share/maven-repo/org/apache/mina/mina-filter-compression/1.1.7/../../../../../../java/mina-filter-compression-1.1.7.jar