public void testNamespaceCollision() throws Exception { String xml = "<ns0:employee xmlns:ns1=\"mynamespace3\" xmlns:ns2=\"mynamespace2\" xmlns:ns0=\"mynamespace1\"><ns2:address><street>123 Fake Street</street></ns2:address><firstName>Matt</firstName><id>123</id></ns0:employee>"; String controlSource = "org/eclipse/persistence/testing/jaxb/binder/nscollision/employee.xml"; Document controlDocument = parser.parse(Thread.currentThread().getContextClassLoader().getResource(controlSource)); JAXBContext ctx = JAXBContextFactory.createContext(new Class[] {Employee.class}, null); Binder binder = ctx.createBinder(); JAXBElement elem = binder.unmarshal(parser.parse(new StringReader(xml)), Employee.class); Employee emp = (Employee) elem.getValue(); emp.address.city = "Toronto"; binder.updateXML(emp.address); JAXBXMLComparer comparer = new JAXBXMLComparer(); assertTrue( "Marshalled document does not match the control document.", comparer.isNodeEqual(controlDocument, ((Node) binder.getXMLNode(emp)).getOwnerDocument())); }