--- old/src/java.base/share/classes/sun/net/www/ApplicationLaunchException.java	2019-08-27 17:29:31.126324386 -0700
+++ new/src/java.base/share/classes/sun/net/www/ApplicationLaunchException.java	2019-08-27 17:29:30.910324386 -0700
@@ -33,6 +33,7 @@
  */
 
 public class ApplicationLaunchException extends Exception {
+    @java.io.Serial
     private static final long serialVersionUID = -4782286141289536883L;
 
     public ApplicationLaunchException(String reason) {