diff --git a/cake/console/libs/console_input_argument.php b/cake/console/libs/console_input_argument.php
index c0ed84fc0..200582353 100644
--- a/cake/console/libs/console_input_argument.php
+++ b/cake/console/libs/console_input_argument.php
@@ -116,7 +116,7 @@ class ConsoleInputArgument {
 			return true;
 		}
 		if (!in_array($value, $this->_choices)) {
-			throw new InvalidArgumentException(sprintf(
+			throw new ConsoleException(sprintf(
 				__('"%s" is not a valid value for %s.  Please use one of "%s"'), 
 				$value, $this->_name, implode(', ', $this->_choices)
 			));
diff --git a/cake/console/libs/console_input_option.php b/cake/console/libs/console_input_option.php
index d4d831aa1..56b01d448 100644
--- a/cake/console/libs/console_input_option.php
+++ b/cake/console/libs/console_input_option.php
@@ -142,7 +142,7 @@ class ConsoleInputOption {
 			return true;
 		}
 		if (!in_array($value, $this->_choices)) {
-			throw new InvalidArgumentException(sprintf(
+			throw new ConsoleException(sprintf(
 				__('"%s" is not a valid value for --%s. Please use one of "%s"'), 
 				$value, $this->_name, implode(', ', $this->_choices)
 			));
diff --git a/cake/console/libs/console_option_parser.php b/cake/console/libs/console_option_parser.php
index 8a9f8af65..5af733e2d 100644
--- a/cake/console/libs/console_option_parser.php
+++ b/cake/console/libs/console_option_parser.php
@@ -457,7 +457,7 @@ class ConsoleOptionParser {
 		}
 		foreach ($this->_args as $i => $arg) {
 			if ($arg->isRequired() && !isset($args[$i]) && empty($params['help'])) {
-				throw new RuntimeException(
+				throw new ConsoleException(
 					__('Missing required arguments. %s is required.', $arg->name())
 				);
 			}
@@ -552,7 +552,7 @@ class ConsoleOptionParser {
  */
 	protected function _parseOption($name, $params) {
 		if (!isset($this->_options[$name])) {
-			throw new InvalidArgumentException(__('Unknown option `%s`', $name));
+			throw new ConsoleException(__('Unknown option `%s`', $name));
 		}
 		$option = $this->_options[$name];
 		$isBoolean = $option->isBoolean();
@@ -586,7 +586,7 @@ class ConsoleOptionParser {
 		}
 		$next = count($args);
 		if (!isset($this->_args[$next])) {
-			throw new InvalidArgumentException(__('Too many arguments.'));
+			throw new ConsoleException(__('Too many arguments.'));
 		}
 
 		if ($this->_args[$next]->validChoice($argument)) {
diff --git a/cake/console/shell_dispatcher.php b/cake/console/shell_dispatcher.php
index a80407613..029a91442 100644
--- a/cake/console/shell_dispatcher.php
+++ b/cake/console/shell_dispatcher.php
@@ -102,7 +102,7 @@ class ShellDispatcher {
 	protected function _initEnvironment() {
 		if (!$this->__bootstrap()) {
 			$message = "Unable to load CakePHP core.\nMake sure " . DS . 'cake' . DS . 'libs exists in ' . CAKE_CORE_INCLUDE_PATH;
-			throw new RuntimeException($message);
+			throw new CakeException($message);
 		}
 
 		if (!isset($this->args[0]) || !isset($this->params['working'])) {
@@ -110,7 +110,7 @@ class ShellDispatcher {
 				"Please make sure that " . DIRECTORY_SEPARATOR . "cake" . DIRECTORY_SEPARATOR . "console is in your system path,\n" . 
 				"and check the cookbook for the correct usage of this command.\n" .
 				"(http://book.cakephp.org/)";
-			throw new RuntimeException($message);
+			throw new CakeException($message);
 		}
 
 		$this->shiftArgs();
diff --git a/cake/libs/cache.php b/cake/libs/cache.php
index e211d20f9..17ba3f8d7 100644
--- a/cake/libs/cache.php
+++ b/cake/libs/cache.php
@@ -67,7 +67,7 @@ class Cache {
  * @param string $name Name of the configuration
  * @param array $settings Optional associative array of settings passed to the engine
  * @return array(engine, settings) on success, false on failure
- * @throws Exception
+ * @throws CacheException
  */
 	public static function config($name = null, $settings = array()) {
 		if (is_array($name)) {
@@ -113,10 +113,10 @@ class Cache {
 			return false;
 		}
 		$cacheClass = $class . 'Engine';
-		self::$_engines[$name] = new $cacheClass();
-		if (!self::$_engines[$name] instanceof CacheEngine) {
-			throw new Exception(__('Cache engines must use CacheEngine as a base class.'));
+		if (!is_subclass_of($cacheClass, 'CacheEngine')) {
+			throw new CacheException(__('Cache engines must use CacheEngine as a base class.'));
 		}
+		self::$_engines[$name] = new $cacheClass();
 		if (self::$_engines[$name]->init($config)) {
 			if (time() % self::$_engines[$name]->settings['probability'] === 0) {
 				self::$_engines[$name]->gc();
diff --git a/cake/libs/cache/file.php b/cake/libs/cache/file.php
index 687a74f72..7560d8113 100644
--- a/cake/libs/cache/file.php
+++ b/cake/libs/cache/file.php
@@ -249,20 +249,20 @@ class FileEngine extends CacheEngine {
  * Not implemented
  *
  * @return void
- * @throws BadMethodCallException
+ * @throws CacheException
  */
 	public function decrement($key, $offset = 1) {
-		throw new BadMethodCallException(__('Files cannot be atomically decremented.'));
+		throw new CacheException(__('Files cannot be atomically decremented.'));
 	}
 
 /**
  * Not implemented
  *
  * @return void
- * @throws BadMethodCallException
+ * @throws CacheException
  */
 	public function increment($key, $offset = 1) {
-		throw new BadMethodCallException(__('Files cannot be atomically incremented.'));
+		throw new CacheException(__('Files cannot be atomically incremented.'));
 	}
 
 /**
diff --git a/cake/libs/cache/memcache.php b/cake/libs/cache/memcache.php
index 9b121e89f..d4a1dbfa8 100644
--- a/cake/libs/cache/memcache.php
+++ b/cake/libs/cache/memcache.php
@@ -148,11 +148,11 @@ class MemcacheEngine extends CacheEngine {
  * @param integer $offset How much to increment
  * @param integer $duration How long to cache the data, in seconds
  * @return New incremented value, false otherwise
- * @throws RuntimeException when you try to increment with compress = true
+ * @throws CacheException when you try to increment with compress = true
  */
 	public function increment($key, $offset = 1) {
 		if ($this->settings['compress']) {
-			throw new RuntimeException(
+			throw new CacheException(
 				__('Method increment() not implemented for compressed cache in %s', __CLASS__)
 			);
 		}
@@ -166,11 +166,11 @@ class MemcacheEngine extends CacheEngine {
  * @param integer $offset How much to substract
  * @param integer $duration How long to cache the data, in seconds
  * @return New decremented value, false otherwise
- * @throws RuntimeException when you try to decrement with compress = true
+ * @throws CacheException when you try to decrement with compress = true
  */
 	public function decrement($key, $offset = 1) {
 		if ($this->settings['compress']) {
-			throw new RuntimeException(
+			throw new CacheException(
 				__('Method decrement() not implemented for compressed cache in %s', __CLASS__)
 			);
 		}
diff --git a/cake/libs/cake_log.php b/cake/libs/cake_log.php
index 5e8887c65..afc8df033 100644
--- a/cake/libs/cake_log.php
+++ b/cake/libs/cake_log.php
@@ -97,18 +97,18 @@ class CakeLog {
  * @param string $key The keyname for this logger, used to remove the logger later.
  * @param array $config Array of configuration information for the logger
  * @return boolean success of configuration.
- * @throws Exception
+ * @throws CakeLogException
  */
 	public static function config($key, $config) {
 		if (empty($config['engine'])) {
-			throw new Exception(__('Missing logger classname'));
+			throw new CakeLogException(__('Missing logger classname'));
 		}
 		$loggerName = $config['engine'];
 		unset($config['engine']);
 		$className = self::_getLogger($loggerName);
 		$logger = new $className($config);
 		if (!$logger instanceof CakeLogInterface) {
-			throw new Exception(sprintf(
+			throw new CakeLogException(sprintf(
 				__('logger class %s does not implement a write method.'), $loggerName
 			));
 		}
@@ -134,7 +134,7 @@ class CakeLog {
 			}
 		}
 		if (!class_exists($loggerName)) {
-			throw new Exception(__('Could not load class %s', $loggerName));
+			throw new CakeLogException(__('Could not load class %s', $loggerName));
 		}
 		return $loggerName;
 	}
diff --git a/cake/libs/cake_request.php b/cake/libs/cake_request.php
index ec05c55d2..580f51296 100644
--- a/cake/libs/cake_request.php
+++ b/cake/libs/cake_request.php
@@ -426,7 +426,7 @@ class CakeRequest implements ArrayAccess {
 			$type = strtolower(substr($name, 2));
 			return $this->is($type);
 		}
-		throw new BadMethodCallException(sprintf('Method %s does not exist', $name));
+		throw new CakeException(__('Method %s does not exist', $name));
 	}
 
 /**
diff --git a/cake/libs/cake_response.php b/cake/libs/cake_response.php
index d2217efbd..6c3d751c2 100644
--- a/cake/libs/cake_response.php
+++ b/cake/libs/cake_response.php
@@ -448,13 +448,14 @@ class CakeResponse {
  *
  * @param integer $code
  * @return integer current status code
+ * @throws CakeException When an unknown status code is reached.
  */
 	public function statusCode($code = null) {
 		if (is_null($code)) {
 			return $this->_status;
 		}
 		if (!isset($this->_statusCodes[$code])) {
-			throw new OutOfRangeException(__('Unknown status code'));
+			throw new CakeException(__('Unknown status code'));
 		}
 		return $this->_status = $code;
 	}
diff --git a/cake/libs/cake_session.php b/cake/libs/cake_session.php
index f90b27b3d..c590f2881 100644
--- a/cake/libs/cake_session.php
+++ b/cake/libs/cake_session.php
@@ -265,7 +265,7 @@ class CakeSession {
 	public static function delete($name) {
 		if (self::check($name)) {
 			if (in_array($name, self::$watchKeys)) {
-				trigger_error(__('Deleting session key {%s}', $name), E_USER_NOTICE);
+				throw new CakeSessionException(__('Deleting session key {%s}', $name));
 			}
 			self::__overwrite($_SESSION, Set::remove($_SESSION, $name));
 			return (self::check($name) == false);
@@ -426,7 +426,6 @@ class CakeSession {
  */
 	public static function ignore($var) {
 		if (!in_array($var, self::$watchKeys)) {
-			debug("NOT");
 			return;
 		}
 		foreach (self::$watchKeys as $i => $key) {
@@ -455,7 +454,7 @@ class CakeSession {
 		}
 		foreach ($write as $key => $val) {
 			if (in_array($key, self::$watchKeys)) {
-				trigger_error(__('Writing session key {%s}: %s', $key, var_export($val, true)), E_USER_NOTICE);
+				throw new CakeSessionException(__('Writing session key {%s}: %s', $key, var_export($val, true)));
 			}
 			self::__overwrite($_SESSION, Set::insert($_SESSION, $key, $val));
 			if (Set::classicExtract($_SESSION, $key) !== $val) {
@@ -495,7 +494,7 @@ class CakeSession {
  * Sessions can be configured with a few shortcut names as well as have any number of ini settings declared.
  *
  * @return void
- * @throws Exception Throws exceptions when ini_set() fails.
+ * @throws CakeSessionException Throws exceptions when ini_set() fails.
  */
 	protected static function _configureSession() {
 		$sessionConfig = Configure::read('Session');
@@ -527,7 +526,7 @@ class CakeSession {
 			if (!empty($sessionConfig['ini']) && is_array($sessionConfig['ini'])) {
 				foreach ($sessionConfig['ini'] as $setting => $value) {
 					if (ini_set($setting, $value) === false) {
-						throw new Exception(sprintf(
+						throw new CakeSessionException(sprintf(
 							__('Unable to configure the session, setting %s failed.'),
 							$setting
 						));
@@ -565,13 +564,13 @@ class CakeSession {
 			App::import('Core', 'session/' . $class);
 		}
 		if (!class_exists($class)) {
-			throw new Exception(__('Could not load %s to handle the session.', $class));
+			throw new CakeSessionException(__('Could not load %s to handle the session.', $class));
 		}
 		$handler = new $class();
 		if ($handler instanceof CakeSessionHandlerInterface) {
 			return $handler;
 		}
-		throw new Exception(__('Chosen SessionHandler does not implement CakeSessionHandlerInterface it cannot be used with an engine key.'));
+		throw new CakeSessionException(__('Chosen SessionHandler does not implement CakeSessionHandlerInterface it cannot be used with an engine key.'));
 	}
 
 /**
diff --git a/cake/libs/config/php_reader.php b/cake/libs/config/php_reader.php
index 169b44df6..1e2734d12 100644
--- a/cake/libs/config/php_reader.php
+++ b/cake/libs/config/php_reader.php
@@ -51,12 +51,12 @@ class PhpReader implements ConfigReaderInterface {
  * @param string $key The identifier to read from.  If the key has a . it will be treated
  *   as a plugin prefix.
  * @return array Parsed configuration values.
- * @throws RuntimeException when files don't exist or they don't contain `$config`.
- *    InvalidArgumentException when files contain '..' as this could lead to abusive reads.
+ * @throws ConfigureException when files don't exist or they don't contain `$config`.
+ *  Or when files contain '..' as this could lead to abusive reads.
  */
 	public function read($key) {
 		if (strpos($key, '..') !== false) {
-			throw new InvalidArgumentException(__('Cannot load configuration files with ../ in them.'));
+			throw new ConfigureException(__('Cannot load configuration files with ../ in them.'));
 		}
 		list($plugin, $key) = pluginSplit($key);
 		
@@ -66,11 +66,11 @@ class PhpReader implements ConfigReaderInterface {
 			$file = $this->_path . $key . '.php';
 		}
 		if (!file_exists($file)) {
-			throw new RuntimeException(__('Could not load configuration file: ') . $file);
+			throw new ConfigureException(__('Could not load configuration file: ') . $file);
 		}
 		include $file;
 		if (!isset($config)) {
-			throw new RuntimeException(
+			throw new ConfigureException(
 				sprintf(__('No variable $config found in %s.php'), $file)
 			);
 		}
diff --git a/cake/libs/configure.php b/cake/libs/configure.php
index fca858832..ce05b018e 100644
--- a/cake/libs/configure.php
+++ b/cake/libs/configure.php
@@ -325,7 +325,7 @@ class Configure {
  * @param string $key name of configuration resource to load.
  * @param string $config Name of the configured reader to use to read the resource identfied by $key.
  * @return mixed false if file not found, void if load successful.
- * @throws Exception Will throw any exceptions the reader raises.
+ * @throws ConfigureException Will throw any exceptions the reader raises.
  */
 	public static function load($key, $config = 'default') {
 		if (!isset(self::$_readers[$config])) {
diff --git a/cake/libs/controller/components/acl.php b/cake/libs/controller/components/acl.php
index 3a09c590b..1b7b31486 100644
--- a/cake/libs/controller/components/acl.php
+++ b/cake/libs/controller/components/acl.php
@@ -58,7 +58,7 @@ class AclComponent extends Component {
 /**
  * Constructor. Will return an instance of the correct ACL class as defined in `Configure::read('Acl.classname')`
  *
- * @throws Exception when Acl.classname could not be loaded.
+ * @throws CakeException when Acl.classname could not be loaded.
  */
 	public function __construct(ComponentCollection $collection, $settings = array()) {
 		parent::__construct($collection, $settings);
@@ -68,7 +68,7 @@ class AclComponent extends Component {
 				list($plugin, $name) = pluginSplit($name);
 				$name .= 'Component';
 			} else {
-				throw new Exception(__('Could not find %s.', $name));
+				throw new CakeException(__('Could not find %s.', $name));
 			}
 		}
 		$this->adapter($name);
@@ -84,7 +84,7 @@ class AclComponent extends Component {
  *
  * @param mixed $adapter Instance of AclBase or a string name of the class to use. (optional)
  * @return mixed either null, or instance of AclBase
- * @throws Exception when the given class is not an AclBase
+ * @throws CakeException when the given class is not an AclBase
  */
 	public function adapter($adapter = null) {
 		if ($adapter) {
@@ -92,7 +92,7 @@ class AclComponent extends Component {
 				$adapter = new $adapter();
 			}
 			if (!$adapter instanceof AclInterface) {
-				throw new Exception(__('AclComponent adapters must implement AclInterface'));
+				throw new CakeException(__('AclComponent adapters must implement AclInterface'));
 			}
 			$this->_Instance = $adapter;
 			$this->_Instance->initialize($this);
diff --git a/cake/libs/error/exceptions.php b/cake/libs/error/exceptions.php
index 961b39c7d..b6d49061d 100644
--- a/cake/libs/error/exceptions.php
+++ b/cake/libs/error/exceptions.php
@@ -387,4 +387,62 @@ class MissingTableException extends CakeException {
  */
 class MissingModelException extends CakeException {
 	protected $_messageTemplate = 'Model %s could not be found.';
-}
\ No newline at end of file
+}
+
+
+/**
+ * Exception class for Cache.  This exception will be thrown from Cache when it
+ * encounters an error.
+ *
+ * @package cake.libs
+ */
+class CacheException extends CakeException { }
+
+/**
+ * Exception class for Router.  This exception will be thrown from Router when it
+ * encounters an error.
+ *
+ * @package cake.libs
+ */
+class RouterException extends CakeException { }
+
+/**
+ * Exception class for CakeLog.  This exception will be thrown from CakeLog when it
+ * encounters an error.
+ *
+ * @package cake.libs
+ */
+class CakeLogException extends CakeException { }
+
+/**
+ * Exception class for CakeSession.  This exception will be thrown from CakeSession when it
+ * encounters an error.
+ *
+ * @package cake.libs
+ */
+class CakeSessionException extends CakeException { }
+
+/**
+ * Exception class for Configure.  This exception will be thrown from Configure when it
+ * encounters an error.
+ *
+ * @package cake.libs
+ */
+class ConfigureException extends CakeException { }
+
+/**
+ * Exception class for Xml.  This exception will be thrown from Xml when it
+ * encounters an error.
+ *
+ * @package cake.libs
+ */
+class XmlException extends CakeException { }
+
+/**
+ * Exception class for Console libraries.  This exception will be thrown from Console library
+ * classes when they encounter an error.
+ *
+ * @package cake.libs
+ */
+class ConsoleException extends CakeException { }
+
diff --git a/cake/libs/router.php b/cake/libs/router.php
index b51f02134..010511cb2 100644
--- a/cake/libs/router.php
+++ b/cake/libs/router.php
@@ -226,7 +226,7 @@ class Router {
  *   shifted into the passed arguments. As well as supplying patterns for routing parameters.
  * @see routes
  * @return array Array of routes
- * @throws Exception
+ * @throws RouterException
  */
 	public static function connect($route, $defaults = array(), $options = array()) {
 		foreach (self::$_prefixes as $prefix) {
@@ -246,13 +246,12 @@ class Router {
 		$routeClass = 'CakeRoute';
 		if (isset($options['routeClass'])) {
 			$routeClass = $options['routeClass'];
+			if (!is_subclass_of($routeClass, 'CakeRoute')) {
+				throw new RouterException(__('Route classes must extend CakeRoute'));
+			}
 			unset($options['routeClass']);
 		}
-		$Route = new $routeClass($route, $defaults, $options);
-		if (!$Route instanceof CakeRoute) {
-			throw new Exception(__('Route classes must extend CakeRoute'));
-		}
-		self::$routes[] =& $Route;
+		self::$routes[] = new $routeClass($route, $defaults, $options);
 		return self::$routes;
 	}
 
diff --git a/cake/libs/view/helpers/form.php b/cake/libs/view/helpers/form.php
index e57e12a68..a92b3fd41 100644
--- a/cake/libs/view/helpers/form.php
+++ b/cake/libs/view/helpers/form.php
@@ -1133,14 +1133,15 @@ class FormHelper extends AppHelper {
  * The first argument to an input type should always be the fieldname, in `Model.field` format.
  * The second argument should always be an array of attributes for the input.
  *
- * @param string $method Method name / input type to make. 
+ * @param string $method Method name / input type to make.
  * @param array $params Parameters for the method call
  * @return string Formatted input method.
+ * @throws CakeException When there are no params for the method call.
  */
 	public function __call($method, $params) {
 		$options = array();
 		if (empty($params)) {
-			throw new Exception(__('Missing field name for FormHelper::%s', $method));
+			throw new CakeException(__('Missing field name for FormHelper::%s', $method));
 		}
 		if (isset($params[1])) {
 			$options = $params[1];
diff --git a/cake/libs/view/helpers/paginator.php b/cake/libs/view/helpers/paginator.php
index 5816c6b6a..11b897226 100644
--- a/cake/libs/view/helpers/paginator.php
+++ b/cake/libs/view/helpers/paginator.php
@@ -87,7 +87,7 @@ class PaginatorHelper extends AppHelper {
  *
  * @param View $View the view object the helper is attached to.
  * @param array $settings Array of settings.
- * @return void
+ * @throws CakeException When the AjaxProvider helper does not implement a link method.
  */
 	function __construct(View $View, $settings = array()) {
 		parent::__construct($View, $settings);
@@ -99,7 +99,7 @@ class PaginatorHelper extends AppHelper {
 		}
 		$classname = $ajaxProvider . 'Helper';
 		if (!method_exists($classname, 'link')) {
-			throw new Exception(sprintf(
+			throw new CakeException(sprintf(
 				__('%s does not implement a link() method, it is incompatible with PaginatorHelper'), $classname
 			));
 		}
diff --git a/cake/libs/view/view.php b/cake/libs/view/view.php
index a3221c761..af035292f 100644
--- a/cake/libs/view/view.php
+++ b/cake/libs/view/view.php
@@ -385,6 +385,7 @@ class View extends Object {
  * @param string $layout Layout to use
  * @param string $file Custom filename for view
  * @return string Rendered Element
+ * @throws CakeException if there is an error in the view.
  */
 	public function render($action = null, $layout = null, $file = null) {
 		if ($this->hasRendered) {
@@ -409,7 +410,7 @@ class View extends Object {
 			$layout = $this->layout;
 		}
 		if ($this->output === false) {
-			throw new RuntimeException(__("Error in view %s, got no content.", $viewFileName));
+			throw new CakeException(__("Error in view %s, got no content.", $viewFileName));
 		}
 		if ($layout && $this->autoLayout) {
 			$this->output = $this->renderLayout($this->output, $layout);
@@ -428,6 +429,7 @@ class View extends Object {
  *
  * @param string $content_for_layout Content to render in a view, wrapped by the surrounding layout.
  * @return mixed Rendered output, or false on error
+ * @throws CakeException if there is an error in the view.
  */
 	public function renderLayout($content_for_layout, $layout = null) {
 		$layoutFileName = $this->_getLayoutFileName($layout);
@@ -451,7 +453,7 @@ class View extends Object {
 		$this->output = $this->_render($layoutFileName);
 
 		if ($this->output === false) {
-			throw new RuntimeException(__("Error in layout %s, got no content.", $layoutFileName));
+			throw new CakeException(__("Error in layout %s, got no content.", $layoutFileName));
 		}
 
 		$this->Helpers->trigger('afterLayout', array($layoutFileName));
diff --git a/cake/libs/xml.php b/cake/libs/xml.php
index 42097597a..160572b95 100644
--- a/cake/libs/xml.php
+++ b/cake/libs/xml.php
@@ -73,7 +73,7 @@ class Xml {
  * @param mixed $input XML string, a path to a file, an URL or an array
  * @param array $options The options to use
  * @return object SimpleXMLElement or DOMDocument
- * @throws Exception
+ * @throws XmlException
  */
 	public static function build($input, $options = array()) {
 		if (!is_array($options)) {
@@ -101,9 +101,9 @@ class Xml {
 			$dom->load($input);
 			return $dom;
 		} elseif (!is_string($input)) {
-			throw new Exception(__('Invalid input.'));
+			throw new XmlException(__('Invalid input.'));
 		}
-		throw new Exception(__('XML cannot be read.'));
+		throw new XmlException(__('XML cannot be read.'));
 	}
 
 /**
@@ -141,14 +141,15 @@ class Xml {
  * @param array $input Array with data
  * @param array $options The options to use
  * @return object SimpleXMLElement or DOMDocument
+ * @throws XmlException
  */
 	public static function fromArray($input, $options = array()) {
 		if (!is_array($input) || count($input) !== 1) {
-			throw new Exception(__('Invalid input.'));
+			throw new XmlException(__('Invalid input.'));
 		}
 		$key = key($input);
 		if (is_integer($key)) {
-			throw new Exception(__('The key of input must be alphanumeric'));
+			throw new XmlException(__('The key of input must be alphanumeric'));
 		}
 
 		if (!is_array($options)) {
@@ -212,7 +213,7 @@ class Xml {
 					}
 				} else {
 					if ($key[0] === '@') {
-						throw new Exception(__('Invalid array'));
+						throw new XmlException(__('Invalid array'));
 					}
 					if (array_keys($value) === range(0, count($value) - 1)) { // List
 						foreach ($value as $item) {
@@ -225,7 +226,7 @@ class Xml {
 					}
 				}
 			} else {
-				throw new Exception(__('Invalid array'));
+				throw new XmlException(__('Invalid array'));
 			}
 		}
 	}
@@ -270,13 +271,14 @@ class Xml {
  *
  * @param object $obj SimpleXMLElement, DOMDocument or DOMNode instance
  * @return array Array representation of the XML structure.
+ * @throws XmlException
  */
 	public static function toArray($obj) {
 		if ($obj instanceof DOMNode) {
 			$obj = simplexml_import_dom($obj);
 		}
 		if (!($obj instanceof SimpleXMLElement)) {
-			throw new Exception(__('The input is not instance of SimpleXMLElement, DOMDocument or DOMNode.'));
+			throw new XmlException(__('The input is not instance of SimpleXMLElement, DOMDocument or DOMNode.'));
 		}
 		$result = array();
 		$namespaces = array_merge(array('' => ''), $obj->getNamespaces(true));
diff --git a/cake/tests/cases/console/libs/console_option_parser.test.php b/cake/tests/cases/console/libs/console_option_parser.test.php
index 656f3317a..e010bbaf4 100644
--- a/cake/tests/cases/console/libs/console_option_parser.test.php
+++ b/cake/tests/cases/console/libs/console_option_parser.test.php
@@ -230,7 +230,7 @@ class ConsoleOptionParserTest extends CakeTestCase {
 /**
  * test parsing options that do not exist.
  *
- * @expectedException InvalidArgumentException
+ * @expectedException ConsoleException
  */
 	function testOptionThatDoesNotExist() {
 		$parser = new ConsoleOptionParser('test', false);
@@ -242,7 +242,7 @@ class ConsoleOptionParserTest extends CakeTestCase {
 /**
  * test that options with choices enforce them.
  *
- * @expectedException InvalidArgumentException
+ * @expectedException ConsoleException
  * @return void
  */
 	function testOptionWithChoices() {
@@ -297,7 +297,7 @@ class ConsoleOptionParserTest extends CakeTestCase {
 /**
  * test parsing arguments.
  *
- * @expectedException InvalidArgumentException
+ * @expectedException ConsoleException
  * @return void
  */
 	function testParseArgumentTooMany() {
@@ -315,7 +315,7 @@ class ConsoleOptionParserTest extends CakeTestCase {
 /**
  * test that when there are not enough arguments an exception is raised
  *
- * @expectedException RuntimeException
+ * @expectedException ConsoleException
  * @return void
  */
 	function testPositionalArgNotEnough() {
@@ -329,7 +329,7 @@ class ConsoleOptionParserTest extends CakeTestCase {
 /**
  * test that arguments with choices enforce them.
  *
- * @expectedException InvalidArgumentException
+ * @expectedException ConsoleException
  * @return void
  */
 	function testPositionalArgWithChoices() {
diff --git a/cake/tests/cases/libs/cake_log.test.php b/cake/tests/cases/libs/cake_log.test.php
index 52c5c5abc..72fe1e8e8 100644
--- a/cake/tests/cases/libs/cake_log.test.php
+++ b/cake/tests/cases/libs/cake_log.test.php
@@ -17,7 +17,7 @@
  * @since         CakePHP(tm) v 1.2.0.5432
  * @license       MIT License (http://www.opensource.org/licenses/mit-license.php)
  */
-App::import('Core', 'Log');
+App::import('Core', 'CakeLog');
 App::import('Core', 'log/FileLog');
 
 /**
@@ -70,7 +70,7 @@ class CakeLogTest extends CakeTestCase {
 /**
  * test all the errors from failed logger imports
  *
- * @expectedException Exception
+ * @expectedException CakeLogException
  * @return void
  */
 	function testImportingLoggerFailure() {
@@ -80,7 +80,7 @@ class CakeLogTest extends CakeTestCase {
 /**
  * test that loggers have to implement the correct interface.
  *
- * @expectedException Exception
+ * @expectedException CakeLogException
  * @return void
  */
 	function testNotImplementingInterface() {
diff --git a/cake/tests/cases/libs/cake_request.test.php b/cake/tests/cases/libs/cake_request.test.php
index af4ad93cb..f423ac19d 100644
--- a/cake/tests/cases/libs/cake_request.test.php
+++ b/cake/tests/cases/libs/cake_request.test.php
@@ -17,9 +17,7 @@
  * @since         CakePHP(tm) v 2.0
  * @license       MIT License (http://www.opensource.org/licenses/mit-license.php)
  */
-if (!class_exists('dispatcher')) {
-	require CAKE . 'dispatcher.php';
-}
+App::import('Core', 'Dispatcher');
 App::import('Core', 'CakeRequest');
 
 class CakeRequestTestCase extends CakeTestCase {
@@ -614,7 +612,7 @@ class CakeRequestTestCase extends CakeTestCase {
 /**
  * test __call expcetions
  *
- * @expectedException Exception
+ * @expectedException CakeException
  * @return void
  */
 	function test__callExceptionOnUnknownMethod() {
diff --git a/cake/tests/cases/libs/cake_response.test.php b/cake/tests/cases/libs/cake_response.test.php
index eee0cfc69..d0d2a9e58 100644
--- a/cake/tests/cases/libs/cake_response.test.php
+++ b/cake/tests/cases/libs/cake_response.test.php
@@ -55,7 +55,7 @@ class CakeResponseTestCase extends CakeTestCase {
 /**
 * Tests the statusCode method
 *
-* @expectedException OutOfRangeException
+* @expectedException CakeException
 */
 	public function testStatusCode() {
 		$response = new CakeResponse();
diff --git a/cake/tests/cases/libs/cake_session.test.php b/cake/tests/cases/libs/cake_session.test.php
index 51d37dc14..02fda57e7 100644
--- a/cake/tests/cases/libs/cake_session.test.php
+++ b/cake/tests/cases/libs/cake_session.test.php
@@ -367,7 +367,7 @@ class CakeSessionTest extends CakeTestCase {
 /**
  * testWatchVar method
  *
- * @expectedException Exception
+ * @expectedException CakeSessionException
  * @access public
  * @return void
  */
@@ -380,16 +380,16 @@ class CakeSessionTest extends CakeTestCase {
 	}
 
 /**
- * undocumented function
+ * Test that deleting watched vars causes exceptions
  *
- * @expectedException Exception
+ * @expectedException CakeSessionException
  * @return void
  */
 	function testWatchVarDelete() {
+		TestCakeSession::write('Watching', 'I am watching you.');
+
 		TestCakeSession::watch('Watching');
 		TestCakeSession::delete('Watching');
-
-		$this->assertFalse(TestCakeSession::watch('Invalid.key'));
 	}
 
 /**
diff --git a/cake/tests/cases/libs/config/php_reader.test.php b/cake/tests/cases/libs/config/php_reader.test.php
index 53898f97f..539f56666 100644
--- a/cake/tests/cases/libs/config/php_reader.test.php
+++ b/cake/tests/cases/libs/config/php_reader.test.php
@@ -44,7 +44,7 @@ class PhpReaderTest extends CakeTestCase {
 /**
  * Test an exception is thrown by reading files that don't exist.
  *
- * @expectedException RuntimeException
+ * @expectedException ConfigureException
  * @return void
  */
 	function testReadWithNonExistantFile() {
@@ -66,7 +66,7 @@ class PhpReaderTest extends CakeTestCase {
 /**
  * test reading keys with ../ doesn't work
  *
- * @expectedException InvalidArgumentException
+ * @expectedException ConfigureException
  * @return void
  */
 	function testReadWithDots() {
diff --git a/cake/tests/cases/libs/controller/components/acl.test.php b/cake/tests/cases/libs/controller/components/acl.test.php
index 600b69069..544ff44b1 100644
--- a/cake/tests/cases/libs/controller/components/acl.test.php
+++ b/cake/tests/cases/libs/controller/components/acl.test.php
@@ -218,7 +218,7 @@ class AclComponentTest extends CakeTestCase {
  * test that construtor throws an exception when Acl.classname is a 
  * non-existant class
  *
- * @expectedException Exception
+ * @expectedException CakeException
  * @return void
  */
 	function testConstrutorException() {
@@ -243,7 +243,7 @@ class AclComponentTest extends CakeTestCase {
 /**
  * test that adapter() whines when the class is not an AclBase
  *
- * @expectedException Exception
+ * @expectedException CakeException
  * @return void
  */
 	function testAdapterException() {
diff --git a/cake/tests/cases/libs/view/helpers/form.test.php b/cake/tests/cases/libs/view/helpers/form.test.php
index a5a37bb7e..143570711 100644
--- a/cake/tests/cases/libs/view/helpers/form.test.php
+++ b/cake/tests/cases/libs/view/helpers/form.test.php
@@ -6700,7 +6700,7 @@ class FormHelperTest extends CakeTestCase {
 
 /**
  * 
- * @expectedException Exception
+ * @expectedException CakeException
  * @return void
  */
 	function testHtml5InputException() {