--- a/src/java.security.jgss/share/classes/sun/security/krb5/internal/KRBError.java	Tue Oct 08 17:30:48 2019 -0400
+++ b/src/java.security.jgss/share/classes/sun/security/krb5/internal/KRBError.java	Tue Oct 08 15:27:13 2019 -0700
@@ -79,7 +79,9 @@
  * <a href="http://www.ietf.org/rfc/rfc4120.txt">
  * http://www.ietf.org/rfc/rfc4120.txt</a>.
  */
-
+// The instance fields not statically typed as Serializable are ASN.1
+// encoded and written by the writeObject method.
+@SuppressWarnings("serial")
 public class KRBError implements java.io.Serializable {
     static final long serialVersionUID = 3643809337475284503L;