--- old/src/java.base/share/classes/sun/net/www/protocol/http/AuthCacheValue.java	2019-08-27 17:29:32.134324386 -0700
+++ new/src/java.base/share/classes/sun/net/www/protocol/http/AuthCacheValue.java	2019-08-27 17:29:31.930324386 -0700
@@ -37,6 +37,7 @@
 
 public abstract class AuthCacheValue implements Serializable {
 
+    @java.io.Serial
     static final long serialVersionUID = 735249334068211611L;
 
     public enum Type {