--- a/src/java.base/share/classes/sun/security/validator/ValidatorException.java	Wed Oct 09 17:38:58 2019 +0100
+++ b/src/java.base/share/classes/sun/security/validator/ValidatorException.java	Wed Oct 09 09:57:41 2019 -0700
@@ -62,6 +62,7 @@
     public static final Object T_UNTRUSTED_CERT =
         "Untrusted certificate";
 
+    @SuppressWarnings("serial") // Not statically typed as Serializable
     private Object type;
     private X509Certificate cert;