/usr/share/maven-repo/javax/el/el-api/2.1/el-api-2.1.jar is in libservlet2.5-java 6.0.35-1ubuntu3.11.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/share/maven-repo/javax/el/el-api/2.1/../../../../../java/el-api-2.1.jar