/usr/share/maven-repo/org/swinglabs/swingx-core/1.x/swingx-core-1.x.jar is in libswingx-java 1:1.6.2-1.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/share/maven-repo/org/swinglabs/swingx-core/1.x/../1.6.2-SNAPSHOT/swingx-core-1.6.2-SNAPSHOT.jar