PDOException: SQLSTATE[08006] [7] connection to server at "localhost" (127.0.0.1), port 5432 failed: Connection refused
	Is the server running on that host and accepting TCP/IP connections?
connection to server at "localhost" (::1), port 5432 failed: Cannot assign requested address
	Is the server running on that host and accepting TCP/IP connections? in /var/www/html/downloadzentrum/pub/DataAccessFactory.class.php:35
Stack trace:
#0 /var/www/html/downloadzentrum/pub/DataAccessFactory.class.php(35): PDO->__construct()
#1 /var/www/html/downloadzentrum/pub/DataAccessFactory.class.php(25): DataAccessFactory->connect()
#2 /var/www/html/downloadzentrum/pub/applications/MediacenterModel.php(30): DataAccessFactory->__construct()
#3 /var/www/html/downloadzentrum/pub/applications/Mediacenter.php(197): MediacenterSite->__construct()
#4 /var/www/html/downloadzentrum/pub/Request.class.php(53): MediacenterTagsView->__construct()
#5 /var/www/html/downloadzentrum/pub/applications/Mediacenter.php(43): RequestRouter->__construct()
#6 /var/www/html/downloadzentrum/pub/index.php(71): MediacenterApplication->setAvailableViews()
#7 {main}PDOException: SQLSTATE[08006] [7] connection to server at "localhost" (127.0.0.1), port 5432 failed: Connection refused
	Is the server running on that host and accepting TCP/IP connections?
connection to server at "localhost" (::1), port 5432 failed: Cannot assign requested address
	Is the server running on that host and accepting TCP/IP connections? in /var/www/html/downloadzentrum/pub/DataAccessFactory.class.php:35
Stack trace:
#0 /var/www/html/downloadzentrum/pub/DataAccessFactory.class.php(35): PDO->__construct()
#1 /var/www/html/downloadzentrum/pub/DataAccessFactory.class.php(25): DataAccessFactory->connect()
#2 /var/www/html/downloadzentrum/pub/applications/MediacenterModel.php(33): DataAccessFactory->__construct()
#3 /var/www/html/downloadzentrum/pub/applications/Mediacenter.php(197): MediacenterSite->__construct()
#4 /var/www/html/downloadzentrum/pub/Request.class.php(53): MediacenterTagsView->__construct()
#5 /var/www/html/downloadzentrum/pub/applications/Mediacenter.php(43): RequestRouter->__construct()
#6 /var/www/html/downloadzentrum/pub/index.php(71): MediacenterApplication->setAvailableViews()
#7 {main}<br />
<b>Fatal error</b>:  Uncaught Error: Call to a member function query() on null in /var/www/html/downloadzentrum/pub/DataAccessFactory.class.php:52
Stack trace:
#0 /var/www/html/downloadzentrum/pub/applications/MediacenterModel.php(89): DataAccessFactory-&gt;query()
#1 /var/www/html/downloadzentrum/pub/applications/Mediacenter.php(210): MediacenterSite-&gt;hasTag()
#2 /var/www/html/downloadzentrum/pub/Request.class.php(53): MediacenterTagsView-&gt;__construct()
#3 /var/www/html/downloadzentrum/pub/applications/Mediacenter.php(43): RequestRouter-&gt;__construct()
#4 /var/www/html/downloadzentrum/pub/index.php(71): MediacenterApplication-&gt;setAvailableViews()
#5 {main}
  thrown in <b>/var/www/html/downloadzentrum/pub/DataAccessFactory.class.php</b> on line <b>52</b><br />