/usr/share/maven-repo/javax/servlet/jstl/1.1/jstl-1.1.jar is in libjstl1.1-java 1.1.2-2ubuntu1.14.04.1.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/share/maven-repo/javax/servlet/jstl/1.1/../../../../../java/jstl1.1-1.1.2.jar