src/share/classes/sun/awt/image/FileImageSource.java

@@ -46,10 +46,14 @@
         // when the image is retrieved from the cache.
         return true;
     }
 
     protected ImageDecoder getDecoder() {
+        if (imagefile == null) {
+            return null;
+        }
+
         InputStream is;
         try {
             is = new BufferedInputStream(new FileInputStream(imagefile));
         } catch (FileNotFoundException e) {
             return null;