 This namespace will be the same as
          the one that would be returned by
          <a href="../../../jakarta/xml/soap/SOAPElement.html#getNamespaceURI-java.lang.String-"><code>getNamespaceURI(String)</code></a> if it were given
          <code>prefix</code> as it's parameter.</dd>
<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code><a href="../../../jakarta/xml/soap/SOAPException.html" title="class in jakarta.xml.soap">SOAPException</a></code> - if the <code>QName</code> cannot be created.</d