/usr/share/maven-repo/org/apache/poi/poi-scratchpad/3.6/poi-scratchpad-3.6.jar is in libapache-poi-java 3.6+dfsg-2.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/share/maven-repo/org/apache/poi/poi-scratchpad/3.6/../../../../../../java/poi-scratchpad-3.6.jar