--- a/jaxws/src/java.xml.ws/share/classes/com/sun/xml/internal/messaging/saaj/packaging/mime/internet/ContentDisposition.java	Wed Jul 05 20:57:41 2017 +0200
+++ b/jaxws/src/java.xml.ws/share/classes/com/sun/xml/internal/messaging/saaj/packaging/mime/internet/ContentDisposition.java	Fri Oct 30 10:34:46 2015 +0100
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 1997, 2013, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 1997, 2012, 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
@@ -169,7 +169,7 @@
         if (list == null)
             return disposition;
 
-        StringBuffer sb = new StringBuffer(disposition);
+        StringBuilder sb = new StringBuilder(disposition);
 
         // append the parameter list
         // use the length of the string buffer + the length of