/usr/share/jetty/lib/jre1.5/jetty-util5.jar is in libjetty-java 6.1.26-4.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/share/jetty/lib/jre1.5/../../../java/jetty-util5-6.1.26.jar
/usr/share/jetty/lib/jre1.5/../../../java/jetty-util5-6.1.26.jar