--- old/src/java.management/share/classes/javax/management/AttributeChangeNotification.java	2019-10-16 19:12:38.593961838 -0700
+++ new/src/java.management/share/classes/javax/management/AttributeChangeNotification.java	2019-10-16 19:12:38.381961838 -0700
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 1999, 2003, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 1999, 2019, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -74,11 +74,13 @@
     /**
      * @serial The MBean attribute old value.
      */
+    @SuppressWarnings("serial") // Conditionally serializable
     private Object oldValue = null;
 
     /**
      * @serial The MBean attribute new value.
      */
+    @SuppressWarnings("serial") // Conditionally serializable
     private Object newValue = null;