--- old/src/java.base/share/classes/java/util/InputMismatchException.java	2019-08-27 17:29:03.498324386 -0700
+++ new/src/java.base/share/classes/java/util/InputMismatchException.java	2019-08-27 17:29:03.298324386 -0700
@@ -36,6 +36,7 @@
  */
 public
 class InputMismatchException extends NoSuchElementException {
+    @java.io.Serial
     private static final long serialVersionUID = 8811230760997066428L;
 
     /**