debian/changelog

-tomcat9 (9.0.16-4) unstable; urgency=medium
-
-  * Team upload.
-  * Permit read and write access to /var/lib/solr and create /var/lib/solr in
-    case it does not exist. (Closes: #919638)
-
- -- Markus Koschany <apo@debian.org>  Fri, 01 Mar 2019 13:28:25 +0100
-
 tomcat9 (9.0.16-3) unstable; urgency=medium
 
   * Removed read/write access to /var/lib/solr (Closes: #923299)

debian/tomcat9.dirs

@@ -4,4 +4,3 @@ var/lib/tomcat9/webapps
 var/log/tomcat9/
 etc/tomcat9/Catalina
 etc/logrotate.d
-var/lib/solr

debian/tomcat9.service

@@ -39,7 +39,6 @@ CacheDirectoryMode=750
 ProtectSystem=strict
 ReadWritePaths=/etc/tomcat9/Catalina/
 ReadWritePaths=/var/lib/tomcat9/webapps/
-ReadWritePaths=/var/lib/solr/
 
 [Install]
 WantedBy=multi-user.target