This bug was fixed in the package apache2 - 2.4.7-1ubuntu4.8
--------------- apache2 (2.4.7-1ubuntu4.8) trusty; urgency=medium
* Fix -D[efined] or <Define>[d] variables lifetime across restarts. This fixes incorrect processing of configuration files on reload (LP: #1504354).
-- Jeffrey Hutzelman <email address hidden> Thu, 08 Oct 2015 19:30:10 -0400
This bug was fixed in the package apache2 - 2.4.7-1ubuntu4.8
---------------
apache2 (2.4.7-1ubuntu4.8) trusty; urgency=medium
* Fix -D[efined] or <Define>[d] variables lifetime across restarts.
This fixes incorrect processing of configuration files on reload
(LP: #1504354).
-- Jeffrey Hutzelman <email address hidden> Thu, 08 Oct 2015 19:30:10 -0400