/var/lib/chef/solr/solr-jetty/logs is in chef-solr 10.12.0+dfsg-2.
This file is owned by root:root, with mode 0o777.
It is a symlink to /var/lib/chef/solr/solr-jetty/../../../../log/jetty
/var/lib/chef/solr/solr-jetty/../../../../log/jetty