diff -r 270abce77942 -r faf791c5a710 src/java.sql.rowset/share/classes/javax/sql/rowset/serial/SerialRef.java
--- a/src/java.sql.rowset/share/classes/javax/sql/rowset/serial/SerialRef.java	Wed Sep 25 08:29:03 2019 -0700
+++ b/src/java.sql.rowset/share/classes/javax/sql/rowset/serial/SerialRef.java	Wed Sep 25 09:37:18 2019 -0700
@@ -56,11 +56,13 @@
     /**
      * This will store the type <code>Ref</code> as an <code>Object</code>.
      */
+    @SuppressWarnings("serial") // Not statically typed as Serializable
     private Object object;
 
     /**
      * Private copy of the Ref reference.
      */
+    @SuppressWarnings("serial") // Not statically typed as Serializable; checked in writeObject
     private Ref reference;
 
     /**