/usr/share/maven-repo/org/apache/maven/doxia/doxia-core/1.1.4/doxia-core-1.1.4.jar is in libdoxia-core-java 1.1.4-6.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/share/maven-repo/org/apache/maven/doxia/doxia-core/1.1.4/../../../../../../../java/doxia-core.jar