/usr/share/java/java-xmlbuilder-0.4.jar is in libjava-xmlbuilder-java 0.4-1.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/share/java/../maven-repo/com/jamesmurty/utils/java-xmlbuilder/0.4/java-xmlbuilder-0.4.jar