--- a/src/jdk.packager/share/classes/jdk/packager/internal/ConfigException.java	Thu Nov 01 09:01:15 2018 -0400
+++ b/src/jdk.packager/share/classes/jdk/packager/internal/ConfigException.java	Thu Nov 01 14:36:18 2018 -0400
@@ -26,6 +26,7 @@
 package jdk.packager.internal;
 
 public class ConfigException extends Exception {
+    private static final long serialVersionUID = 1L;
     final String advice;
 
     public ConfigException(String msg, String advice) {