src/java.xml.ws/share/classes/com/sun/xml/internal/messaging/saaj/soap/impl/NamedNodeMapImpl.java

@@ -28,10 +28,12 @@
 import com.sun.xml.internal.messaging.saaj.soap.SOAPDocumentImpl;
 import org.w3c.dom.DOMException;
 import org.w3c.dom.NamedNodeMap;
 import org.w3c.dom.Node;
 
+import java.util.Objects;
+
 /**
  * {@link NamedNodeMap} wrapper, finding SOAP elements automatically when possible.
  *
  * @author Roman Grigoriadi
  */

@@ -46,10 +48,12 @@
      *
      * @param namedNodeMap node map to wrap
      * @param soapDocument soap document to find soap elements
      */
     public NamedNodeMapImpl(NamedNodeMap namedNodeMap, SOAPDocumentImpl soapDocument) {
+        Objects.requireNonNull(namedNodeMap);
+        Objects.requireNonNull(soapDocument);
         this.namedNodeMap = namedNodeMap;
         this.soapDocument = soapDocument;
     }
 
     @Override