/usr/share/maven-repo/org/apache/tomcat/tomcat-jni/8.x/tomcat-jni-8.x.jar is in libtomcat8-java 8.0.14-1+deb8u11.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/share/maven-repo/org/apache/tomcat/tomcat-jni/8.x/../../../../../../java/tomcat8-jni-8.0.14.jar