/usr/share/maven-repo/org/apache/tomcat/tomcat-api/7.0.52/tomcat-api-7.0.52.jar is in libtomcat7-java 7.0.52-1ubuntu0.16.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/share/maven-repo/org/apache/tomcat/tomcat-api/7.0.52/../../../../../../java/tomcat-api-7.0.52.jar