--- a/src/java.sql.rowset/share/classes/javax/sql/rowset/serial/SerialBlob.java	Fri Jul 20 12:19:28 2018 -0700
+++ b/src/java.sql.rowset/share/classes/javax/sql/rowset/serial/SerialBlob.java	Fri Jul 20 14:46:43 2018 -0700
@@ -570,7 +570,7 @@
      * to a stream.
      */
     private void writeObject(ObjectOutputStream s)
-            throws IOException, ClassNotFoundException {
+            throws IOException {
 
         ObjectOutputStream.PutField fields = s.putFields();
         fields.put("buf", buf);