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

*** 28,37 ****
--- 28,39 ----
  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
   */
*** 46,55 ****
--- 48,59 ----
       *
       * @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