/usr/share/maven-repo/org/springframework/spring-instrument/3.x/spring-instrument-3.x.jar is in libspring-instrument-java 3.0.6.RELEASE-5.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/share/maven-repo/org/springframework/spring-instrument/3.x/../../../../../java/spring3-instrument-3.x.jar