--- a/src/java.xml/share/classes/org/w3c/dom/events/EventException.java	Tue Oct 24 08:56:47 2017 -0700
+++ b/src/java.xml/share/classes/org/w3c/dom/events/EventException.java	Tue Oct 24 19:05:29 2017 -0700
@@ -48,6 +48,8 @@
  * @since 1.5, DOM Level 2
  */
 public class EventException extends RuntimeException {
+    private static final long serialVersionUID = 242753408332692061L;
+
     public EventException(short code, String message) {
        super(message);
        this.code = code;