diff --git a/src/Symfony/Component/Config/Resource/DirectoryResource.php b/src/Symfony/Component/Config/Resource/DirectoryResource.php
index 13ef5d10da..474fbb3078 100644
--- a/src/Symfony/Component/Config/Resource/DirectoryResource.php
+++ b/src/Symfony/Component/Config/Resource/DirectoryResource.php
@@ -75,6 +75,10 @@ class DirectoryResource implements ResourceInterface
      */
     public function getFilteredResources()
     {
+        if (!$this->exists()) {
+            return array();
+        }
+
         $iterator = new \DirectoryIterator($this->resource);
 
         $resources = array();
@@ -166,6 +170,10 @@ class DirectoryResource implements ResourceInterface
      */
     public function getModificationTime()
     {
+        if (!$this->exists()) {
+            return -1;
+        }
+
         clearstatcache(true, $this->resource);
         $newestMTime = filemtime($this->resource);
 
diff --git a/src/Symfony/Component/Config/Resource/FileResource.php b/src/Symfony/Component/Config/Resource/FileResource.php
index 07564a3470..259db3c75d 100644
--- a/src/Symfony/Component/Config/Resource/FileResource.php
+++ b/src/Symfony/Component/Config/Resource/FileResource.php
@@ -29,7 +29,7 @@ class FileResource implements ResourceInterface
      */
     public function __construct($resource)
     {
-        $this->resource = realpath($resource);
+        $this->resource = file_exists($resource) ? realpath($resource) : $resource;
     }
 
     /**
@@ -59,6 +59,10 @@ class FileResource implements ResourceInterface
      */
     public function getModificationTime()
     {
+        if (!$this->exists()) {
+            return -1;
+        }
+
         clearstatcache(true, $this->resource);
 
         return filemtime($this->resource);