private void tryConfiguration(JSONConfiguration configuration) throws Exception {
final JSONJAXBContext ctx = new JSONJAXBContext(configuration, NamespaceBeanWithAttribute.class);
final JSONMarshaller jm = ctx.createJSONMarshaller();
final JSONUnmarshaller ju = ctx.createJSONUnmarshaller();
NamespaceBeanWithAttribute beanTwo;
final StringWriter sw = new StringWriter();
jm.marshallToJSON(one, sw);
System.out.println(String.format("%s", sw));
beanTwo = ju.unmarshalFromJSON(new StringReader(sw.toString()), NamespaceBeanWithAttribute.class);
assertEquals(one, beanTwo);
}