/usr/share/maven-repo/org/apache/derby/derbyLocale_ru/debian/derbyLocale_ru-debian.jar is in libderby-java 10.13.1.1-2.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/share/maven-repo/org/apache/derby/derbyLocale_ru/debian/../../../../../../java/derbyLocale_ru-10.13.1.1.jar