/usr/share/maven-repo/org/apache/openjpa/openjpa-kernel/debian/openjpa-kernel-debian.jar is in libopenjpa-java 2.4.0-2.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/share/maven-repo/org/apache/openjpa/openjpa-kernel/debian/../../../../../../java/openjpa-kernel.jar