--- old/src/java.base/share/classes/java/io/WriteAbortedException.java	2019-08-27 17:26:59.086324386 -0700
+++ new/src/java.base/share/classes/java/io/WriteAbortedException.java	2019-08-27 17:26:58.866324386 -0700
@@ -44,6 +44,7 @@
  * @since   1.1
  */
 public class WriteAbortedException extends ObjectStreamException {
+    @java.io.Serial
     private static final long serialVersionUID = -3326426625597282442L;
 
     /**