--- old/src/java.base/share/classes/java/time/format/DateTimeParseException.java	2019-08-27 17:28:44.478324386 -0700
+++ new/src/java.base/share/classes/java/time/format/DateTimeParseException.java	2019-08-27 17:28:44.258324386 -0700
@@ -78,6 +78,7 @@
     /**
      * Serialization version.
      */
+    @java.io.Serial
     private static final long serialVersionUID = 4304633501674722597L;
 
     /**