diff --git a/cake/dispatcher.php b/cake/dispatcher.php
index <HASH>..<HASH> 100644
--- a/cake/dispatcher.php
+++ b/cake/dispatcher.php
@@ -657,3 +657,10 @@ class Dispatcher extends Object {
 		header($header);
 	}
 }
+
+/**
+ * Runtime Exceptions for dispatcher.
+ */
+class MissingControllerException extends RuntimeException {}
+class MissingActionException extends RuntimeException {}
+class PrivateActionException extends RuntimeException {}
Adding RuntimeException classes for Dispatcher.