clone jaxb object

To clone any jaxb object including object with out root element annotation do like following

ObjectItem objectItem = ..
JAXBContext jaxbContext = JAXBContext.newInstance(ObjectItem.class);
objectItem= jaxbContext.createUnmarshaller().unmarshal(new JAXBSource(jaxbContext,
new JAXBElement(
new QName("http://comp.namespace/version", "objectItem"),
ObjectItem.class,
objectItem)),ObjectItem.class).getValue();