src/java.desktop/share/classes/java/awt/MediaTracker.java

@@ -183,10 +183,11 @@
      *
      * @serial
      * @see #addImage(Image, int)
      * @see #removeImage(Image)
      */
+    @SuppressWarnings("serial") // Not statically typed as Serializable
     MediaEntry head;
 
     /*
      * JDK 1.1 serialVersionUID
      */

@@ -920,12 +921,14 @@
         }
         tracker.setDone();
     }
 }
 
+@SuppressWarnings("serial") // MediaEntry does not have a no-arg ctor
 class ImageMediaEntry extends MediaEntry implements ImageObserver,
 java.io.Serializable {
+    @SuppressWarnings("serial") // Not statically typed as Serializable
     Image image;
     int width;
     int height;
 
     /*