code: @SuppressWarnings({ "unchecked", "rawtypes" })
  	public String marshal(Object jaxbObject, String namespaceURI, String localPart) {
          jaxbObject = new JAXBElement(new QName(namespaceURI, localPart), jaxbObject.getClass(), jaxbObject);
          return marshal(jaxbObject);
  	}
docs: Marshal version for JAXB objects that doesn't contain any @XmlRootElement annotation
  
  @param jaxbObject
  @param namespaceURI namespace for the root element
  @param localPart    name for the root element
  @return the xml string