--- a/src/java.management/share/classes/javax/management/openmbean/TabularDataSupport.java	Wed Oct 23 18:34:25 2019 +0200
+++ b/src/java.management/share/classes/javax/management/openmbean/TabularDataSupport.java	Wed Oct 23 13:01:40 2019 -0700
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2000, 2018, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2000, 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
@@ -86,6 +86,7 @@
      * @serial This tabular data instance's contents: a {@link HashMap}
      */
     // field cannot be final because of clone method
+    @SuppressWarnings("serial") // Conditionally serializable
     private Map<Object,CompositeData> dataMap;
 
     /**