@Override
public void filter(ClientRequestContext requestContext, ClientResponseContext responseContext) throws IOException {
if (responseContext.getStatus() != Response.Status.OK.getStatusCode() && responseContext.hasEntity()) {
try {
final Unmarshaller unmarshaller = jaxbContext.createUnmarshaller();
final Error error = (Error) unmarshaller.unmarshal(responseContext.getEntityStream());
final Response.ResponseBuilder builder = Response.status(responseContext.getStatusInfo());
builder.entity(error);
// copy response headers
for (Map.Entry<String, List<String>> header : responseContext.getHeaders().entrySet()) {