/usr/share/maven-repo/org/antlr/ST4/4.0.8/ST4-4.0.8.jar is in libstringtemplate4-java 4.0.8-2.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/share/maven-repo/org/antlr/ST4/4.0.8/../../../../../java/stringtemplate4.jar