/usr/share/maven-repo/org/eclipse/jetty/jetty-start/9.2.23.v20171218/jetty-start-9.2.23.v20171218.jar is in libjetty9-java 9.2.23-1.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/share/maven-repo/org/eclipse/jetty/jetty-start/9.2.23.v20171218/../../../../../../java/jetty9-start.jar