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