/usr/share/maven-repo/org/apache/uima/ConceptMapper/2.3.1/ConceptMapper-2.3.1.jar is in libuima-addons-java 2.3.1-4.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/share/maven-repo/org/apache/uima/ConceptMapper/2.3.1/../../../../../../java/uima-ConceptMapper.jar