Moving the default cache configuration to app/config/bootstrap.php, as its not used by CakePHP anymore, and is an application configuration value.

app/config/bootstrap.php

@@ -1,9 +1,12 @@
 <?php
 /**
- * This file is loaded automatically by the app/webroot/index.php file after the core bootstrap.php
+ * This file is loaded automatically by the app/webroot/index.php file after core.php
  *
- * This is an application wide file to load any function that is not used within a class
- * define. You can also use this to include or require any files in your application.
+ * This file should load/create any application wide configuration settings, such as 
+ * Caching, Logging, loading additional configuration files.
+ *
+ * You should also use this file to include any files that provide global functions/constants
+ * that your application uses.
  *
  * PHP 5
  *
@@ -20,6 +23,9 @@
  * @license       MIT License (http://www.opensource.org/licenses/mit-license.php)
  */
 
+// Setup a 'default' cache configuration for use in the application.
+Cache::config('default', array('engine' => 'File'));
+
 /**
  * The settings below can be used to set additional paths to models, views and controllers.
  * This is related to Ticket #470 (https://trac.cakephp.org/ticket/470)

app/config/core.php

@@ -290,9 +290,6 @@ if (extension_loaded('apc')) {
 	$engine = 'Apc';
 }
 
-// Setup a 'default' cache configuration for use in the application.
-Cache::config('default', array('engine' => $engine));
-
 // In development mode, caches should expire quickly.
 $duration = '+999 days';
 if (Configure::read('debug') >= 1) {