/usr/share/java/swingx1-beaninfo.jar is in libswingx1-java 1:1.0-1.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/share/java/swingx1-beaninfo-1.0.jar
/usr/share/java/swingx1-beaninfo-1.0.jar