/usr/share/java/org-openide-util-ui.jar is in libnb-org-openide-util-java 8.1+dfsg1-5.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/share/java/org-openide-util-ui-8.1.jar
/usr/share/java/org-openide-util-ui-8.1.jar