/usr/share/maven-repo/org/swinglabs/swing-layout/1.0.4/swing-layout-1.0.4.jar is in libswing-layout-java 1.0.4-4.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/share/maven-repo/org/swinglabs/swing-layout/1.0.4/../../../../../java/swing-layout.jar