/usr/share/java/castor-ddlgen.jar is in libcastor-ddlgen-java 1.3.2-6.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/share/java/castor-ddlgen-1.3.2.jar
/usr/share/java/castor-ddlgen-1.3.2.jar