/usr/share/java/tomcat8-i18n-ja.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/java/tomcat8-i18n-ja-8.0.14.jar
/usr/share/java/tomcat8-i18n-ja-8.0.14.jar