/usr/share/maven-repo/org/apache/solr/solr-solrj/3.6.2/solr-solrj-3.6.2.jar is in libsolr-java 3.6.2+dfsg-10+deb9u2.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/share/maven-repo/org/apache/solr/solr-solrj/3.6.2/../../../../../../java/solr-solrj-3.6.2.jar