diff --git a/src/Symfony/Bundle/FrameworkBundle/DependencyInjection/FrameworkExtension.php b/src/Symfony/Bundle/FrameworkBundle/DependencyInjection/FrameworkExtension.php
index 2bd54d731197b..d84255d94e3c9 100644
--- a/src/Symfony/Bundle/FrameworkBundle/DependencyInjection/FrameworkExtension.php
+++ b/src/Symfony/Bundle/FrameworkBundle/DependencyInjection/FrameworkExtension.php
@@ -1346,7 +1346,7 @@ private function registerSerializerConfiguration(array $config, ContainerBuilder
                 $fileRecorder('yml', $file);
             }
 
-            if ($container->fileExists($dir = $dirname.'/Resources/config/serialization')) {
+            if ($container->fileExists($dir = $dirname.'/Resources/config/serialization', '/^$/')) {
                 $this->registerMappingFilesFromDir($dir, $fileRecorder);
             }
         }
diff --git a/src/Symfony/Bundle/TwigBundle/DependencyInjection/TwigExtension.php b/src/Symfony/Bundle/TwigBundle/DependencyInjection/TwigExtension.php
index e8c10786c457d..a1ae0caba145d 100644
--- a/src/Symfony/Bundle/TwigBundle/DependencyInjection/TwigExtension.php
+++ b/src/Symfony/Bundle/TwigBundle/DependencyInjection/TwigExtension.php
@@ -13,6 +13,7 @@
 
 use Symfony\Bridge\Twig\Extension\WebLinkExtension;
 use Symfony\Component\Config\FileLocator;
+use Symfony\Component\Config\Resource\FileExistenceResource;
 use Symfony\Component\DependencyInjection\ContainerBuilder;
 use Symfony\Component\DependencyInjection\Reference;
 use Symfony\Component\DependencyInjection\Loader\XmlFileLoader;
@@ -118,9 +119,10 @@ public function load(array $configs, ContainerBuilder $container)
             }
         }
 
-        if ($container->fileExists($dir = $container->getParameter('kernel.root_dir').'/Resources/views', false)) {
+        if (file_exists($dir = $container->getParameter('kernel.root_dir').'/Resources/views')) {
             $twigFilesystemLoaderDefinition->addMethodCall('addPath', array($dir));
         }
+        $container->addResource(new FileExistenceResource($dir));
 
         if (!empty($config['globals'])) {
             $def = $container->getDefinition('twig');
@@ -178,13 +180,15 @@ private function getBundleHierarchy(ContainerBuilder $container)
                 );
             }
 
-            if ($container->fileExists($dir = $container->getParameter('kernel.root_dir').'/Resources/'.$name.'/views', false)) {
+            if (file_exists($dir = $container->getParameter('kernel.root_dir').'/Resources/'.$name.'/views')) {
                 $bundleHierarchy[$name]['paths'][] = $dir;
             }
+            $container->addResource(new FileExistenceResource($dir));
 
-            if ($container->fileExists($dir = $bundle['path'].'/Resources/views', false)) {
+            if (file_exists($dir = $bundle['path'].'/Resources/views')) {
                 $bundleHierarchy[$name]['paths'][] = $dir;
             }
+            $container->addResource(new FileExistenceResource($dir));
 
             if (null === $bundle['parent']) {
                 continue;
diff --git a/src/Symfony/Component/DependencyInjection/ContainerBuilder.php b/src/Symfony/Component/DependencyInjection/ContainerBuilder.php
index 555c3b09734b2..803e7937b1740 100644
--- a/src/Symfony/Component/DependencyInjection/ContainerBuilder.php
+++ b/src/Symfony/Component/DependencyInjection/ContainerBuilder.php
@@ -407,9 +407,13 @@ public function fileExists($path, $trackContents = true)
             return $exists;
         }
 
-        if ($trackContents && is_dir($path)) {
-            $this->addResource(new DirectoryResource($path, is_string($trackContents) ? $trackContents : null));
-        } elseif ($trackContents || is_dir($path)) {
+        if (is_dir($path)) {
+            if ($trackContents) {
+                $this->addResource(new DirectoryResource($path, is_string($trackContents) ? $trackContents : null));
+            } else {
+                $this->addResource(new GlobResource($path, '/*', false));
+            }
+        } elseif ($trackContents) {
             $this->addResource(new FileResource($path));
         }