src/java.xml.ws/share/classes/com/sun/xml/internal/messaging/saaj/packaging/mime/MessagingException.java

@@ -1,7 +1,7 @@
 /*
- * 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
  * under the terms of the GNU General Public License version 2 only, as
  * published by the Free Software Foundation.  Oracle designates this

@@ -119,11 +119,11 @@
     public String getMessage() {
         if (next == null)
             return super.getMessage();
         Exception n = next;
         String s = super.getMessage();
-        StringBuffer sb = new StringBuffer(s == null ? "" : s);
+        StringBuilder sb = new StringBuilder(s == null ? "" : s);
         while (n != null) {
             sb.append(";\n  nested exception is:\n\t");
             if (n instanceof MessagingException) {
                 MessagingException mex = (MessagingException)n;
                 sb.append(n.getClass().toString());