From e5df14d8bc921594472ed950d2deac25d4a1872c Mon Sep 17 00:00:00 2001
From: Stricted <info@stricted.de>
Date: Tue, 24 Dec 2013 22:13:47 +0100
Subject: [PATCH] add fallback to disk cache

---
 .../install/files/lib/system/cache/CacheHandler.class.php  | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/wcfsetup/install/files/lib/system/cache/CacheHandler.class.php b/wcfsetup/install/files/lib/system/cache/CacheHandler.class.php
index b52a3b7ad9..446d0a1c9e 100644
--- a/wcfsetup/install/files/lib/system/cache/CacheHandler.class.php
+++ b/wcfsetup/install/files/lib/system/cache/CacheHandler.class.php
@@ -30,7 +30,12 @@ class CacheHandler extends SingletonFactory {
 		// init cache source object
 		try {
 			$className = 'wcf\system\cache\source\\'.ucfirst(CACHE_SOURCE_TYPE).'CacheSource';
-			$this->cacheSource = new $className();
+			if (class_exists($className))
+				$this->cacheSource = new $className();
+			else {
+				// fallback to disk cache
+				$this->cacheSource = new DiskCacheSource();
+			}
 		}
 		catch (SystemException $e) {
 			if (CACHE_SOURCE_TYPE != 'disk') {
-- 
2.20.1