/usr/share/maven-repo/org/apache/maven/shared/maven-dependency-tree/2.1/maven-dependency-tree-2.1.jar is in libmaven-dependency-tree-java 2.1-1.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/share/maven-repo/org/apache/maven/shared/maven-dependency-tree/2.1/../../../../../../../java/maven-dependency-tree.jar