--- old/src/java.xml.ws/share/classes/com/sun/xml/internal/messaging/saaj/packaging/mime/internet/HeaderTokenizer.java	2015-10-16 12:58:10.000000000 +0200
+++ new/src/java.xml.ws/share/classes/com/sun/xml/internal/messaging/saaj/packaging/mime/internet/HeaderTokenizer.java	2015-10-16 12:58:10.000000000 +0200
@@ -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
@@ -346,7 +346,7 @@
      * quoted string.
      */
     private static String filterToken(String s, int start, int end) {
-        StringBuffer sb = new StringBuffer();
+        StringBuilder sb = new StringBuilder();
         char c;
         boolean gotEscape = false;
         boolean gotCR = false;