/usr/share/maven-repo/org/mortbay/jetty/jetty-util/ is in libjetty-java 6.1.26-1ubuntu1.
This file is owned by root:root, with mode 0o755.
..
/usr/share/maven-repo/org/mortbay/jetty/jetty-util/6.1.26/
/usr/share/maven-repo/org/mortbay/jetty/jetty-util/6.1.26/jetty-util-6.1.26.jar
/usr/share/maven-repo/org/mortbay/jetty/jetty-util/6.1.26/jetty-util-6.1.26.pom
/usr/share/maven-repo/org/mortbay/jetty/jetty-util/6.x/
/usr/share/maven-repo/org/mortbay/jetty/jetty-util/6.x/jetty-util-6.x.jar
/usr/share/maven-repo/org/mortbay/jetty/jetty-util/6.x/jetty-util-6.x.pom
/usr/share/maven-repo/org/mortbay/jetty/jetty-util5/6.1.26/
/usr/share/maven-repo/org/mortbay/jetty/jetty-util5/6.1.26/jetty-util5-6.1.26.jar
/usr/share/maven-repo/org/mortbay/jetty/jetty-util5/6.1.26/jetty-util5-6.1.26.pom
/usr/share/maven-repo/org/mortbay/jetty/jetty-util5/6.x/
/usr/share/maven-repo/org/mortbay/jetty/jetty-util5/6.x/jetty-util5-6.x.jar
/usr/share/maven-repo/org/mortbay/jetty/jetty-util5/6.x/jetty-util5-6.x.pom