/usr/share/java/jaxp-1.3.jar is in libjaxp1.3-java 1.3.05-2ubuntu3.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/share/java/../maven-repo/javax/xml/jaxp-api/1.3/jaxp-api-1.3.jar
/usr/share/java/../maven-repo/javax/xml/jaxp-api/1.3/jaxp-api-1.3.jar