--- old/src/java.xml.ws/share/classes/com/sun/xml/internal/messaging/saaj/packaging/mime/internet/BMMimeMultipart.java	2015-10-16 12:58:08.000000000 +0200
+++ new/src/java.xml.ws/share/classes/com/sun/xml/internal/messaging/saaj/packaging/mime/internet/BMMimeMultipart.java	2015-10-16 12:58:08.000000000 +0200
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 1997, 2014, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 1997, 2013, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -705,7 +705,7 @@
         String bnd = "--" + contentType.getParameter("boundary");
         for (int i = 0; i < parts.size(); i++) {
             OutputUtil.writeln(bnd, os); // put out boundary
-            ((MimeBodyPart)parts.get(i)).writeTo(os);
+            parts.get(i).writeTo(os);
             OutputUtil.writeln(os); // put out empty line
         }