/usr/share/ is in tomcat8 8.5.30-1ubuntu1.
This file is owned by root:root, with mode 0o755.
..
/usr/share/tomcat8/
/usr/share/doc/
/usr/share/doc/tomcat8/
/usr/share/doc/tomcat8/NEWS.Debian.gz
/usr/share/doc/tomcat8/copyright
/usr/share/tomcat8/defaults.md5sum
/usr/share/tomcat8/defaults.template
/usr/share/tomcat8/logrotate.md5sum
/usr/share/tomcat8/logrotate.template
/usr/share/tomcat8-root/
/usr/share/tomcat8-root/default_root/
/usr/share/tomcat8-root/default_root/META-INF/
/usr/share/tomcat8-root/default_root/META-INF/context.xml
/usr/share/tomcat8-root/default_root/index.html
/usr/share/doc/tomcat8/README.Debian
/usr/share/doc/tomcat8/changelog.Debian.gz