/usr/share/maven-repo/org/gradle/gradle-ui/3.4.1/gradle-ui-3.4.1.jar is in gradle 3.4.1-7ubuntu1.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/share/maven-repo/org/gradle/gradle-ui/3.4.1/../../../../../java/gradle-ui-3.4.1.jar