I'm trying to run the hateoas spring boot example located at <https://github.com/spring-projects/spring-boot/tree/master/spring-boot-samples/spring-boot-sample-hateoas> (I'm trying to run Version 1.2.6.RELEASE).

When accessing the customers service provided by the example I get a MarshalException:

> 
> Could not marshal [Resources { content:
>  [sample.domain.Customer@72c01d5a, sample.domain.Customer@5ef1ebf9,
>  sample.domain.Customer@237de11a], links:
>  [<http://localhost:8080/customers>;rel="self"] }]: null; nested
>  exception is javax.xml.bind.MarshalException - with linked exception:
>  [com.sun.istack.internal.SAXException2: class sample.domain.Customer
>  nor any of its super class is known to this context.
>  javax.xml.bind.JAXBException: class sample.domain.Customer nor any of
>  its super class is known to this context.]
> 
> 
> 

This is caused by the following code:

```
    @RequestMapping(method = RequestMethod.GET)
HttpEntity<Resources<Customer>> showCustomers() {
    Resources<Customer> resources = new Resources<Customer>(this.repository.findAll());
    resources.add(this.entityLinks.linkToCollectionResource(Customer.class));
    return new ResponseEntity<Resources<Customer>>(resources, HttpStatus.OK);
}

```

While I could probably implement my own 

```
public class CustomerResources extends Resources<Customer> {

```

I'd like to avoid this if at all possible.

Also if it has to be like this I'm confused why it's not like this in the example. Am I missing something? How can I get the sample to work?

Thanks in advance!