/usr/share/maven-repo/org/eclipse/jetty/apache-jsp/debian/apache-jsp-debian.jar is in libjetty9-java 9.2.14-1.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/share/maven-repo/org/eclipse/jetty/apache-jsp/debian/../../../../../../java/jetty9-apache-jsp.jar