/usr/share/maven-repo/org/apache/tomcat/tomcat-el-api/debian/tomcat-el-api-debian.jar is in libservlet3.0-java 7.0.26-1ubuntu1.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/share/maven-repo/org/apache/tomcat/tomcat-el-api/debian/../../../../../../java/tomcat-el-api-2.2.jar