debian/changelog

+lucene-solr (3.6.2+dfsg-18) unstable; urgency=medium
+
+  * Team upload.
+  * Add solr-permissions.conf and override tomcat9 permissions to allow
+    solr-tomcat read-write access to /var/lib/solr. (Closes: #919638)
+
+ -- Markus Koschany <apo@debian.org>  Sat, 02 Mar 2019 23:02:16 +0100
+
 lucene-solr (3.6.2+dfsg-17) unstable; urgency=medium
 
   * Team upload.

debian/solr-permissions.conf

+[Service]
+ReadWritePaths=/var/lib/solr/

debian/solr-tomcat.install

 debian/solr-tomcat.xml /etc/solr/
 debian/tomcat.policy /etc/solr/
+debian/solr-permissions.conf /etc/systemd/system/tomcat9.d/

debian/solr-tomcat.postinst

@@ -15,6 +15,8 @@ case "$1" in
         chmod -R 770 /var/lib/solr/data
 
         ln -sf /etc/solr/tomcat.policy /etc/tomcat9/policy.d/05solr.policy
+
+        systemctl daemon-reload
     ;;
 
     abort-upgrade|abort-remove|abort-deconfigure)