src/java.xml.ws/share/classes/com/sun/xml/internal/ws/transport/Headers.java

*** 1,7 ****
  /*
!  * 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
--- 1,7 ----
  /*
!  * Copyright (c) 1997, 2016, 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
*** 125,131 ****
--- 125,143 ----
      public void set (String key, String value) {
          LinkedList<String> l = new LinkedList<String>();
          l.add (value);
          put(key, l);
      }
+     /**
+      * Added to fix issue
+      * putAll() is easier to deal with as it doesn't return anything
+      */
+     public void putAll(Map<? extends String,? extends List<String>> map) {
+         for (String k : map.keySet()) {
+             List<String> list = map.get(k);
+             for (String v : list) {
+                 add(k,v);
+             }
+         }
+     }
  
  }