Spring Data REST returns http 405 asking for List of nested resources

问题

I'm using Spring Boot 1.5.7, Spring Data REST, Spring HATEOAS, Hibernate, Spring Validation, Swagger.

I'm exposing all my repositories via Spring Data REST. It works quite fine but I've a problem when I expose a nested list of objects.

Let's see this example:

@Entity
public class TicketBundle extends AbstractEntity {

    @OneToMany(cascade = CascadeType.ALL, orphanRemoval = true, fetch = FetchType.LAZY,mappedBy="ticketBundle")
    @OnDelete(action = OnDeleteAction.NO_ACTION)
    private List<MovementTicketBundle> payments = new ArrayList<>();

this is my Movement superclass

@Entity
@Inheritance(strategy = InheritanceType.SINGLE_TABLE)
@DiscriminatorColumn(name = "type")
public class Movement extends AbstractEntity {
    @Column(nullable = false)
    protected String description;

and this the specific class used from TicketBundle:

@Entity
@DiscriminatorValue(value = "ticketBundle")
public class MovementTicketBundle extends Movement {
    private static final long serialVersionUID = 3949580014012377816L;

    @ManyToOne(fetch = FetchType.LAZY)
    TicketBundle ticketBundle;

I've one repository for each bean:

@Transactional
@PreAuthorize("isAuthenticated()")
public interface MovementRepository extends PagingAndSortingRepository<Movement, Long> {
}

and @Transactional @PreAuthorize("isAuthenticated()") public interface MovementTicketBundleRepository extends PagingAndSortingRepository { }

and

@Transactional
@PreAuthorize("isAuthenticated()")
public interface TicketBundleRepository extends PagingAndSortingRepository<TicketBundle, Long> {
}

In Swagger I see my TicketBundle:

I'm trying to use the endpoint GET http://localhost:8080/api/v1/ticketBundles/1/payments that should return a list of MovementTicketBundle. This is instead what happens:

curl -X GET --header 'Accept: application/hal+json' 'http://localhost:8080/api/v1/ticketBundles/1/payments'

response code: 405 response body: no content response headers:

{
  "allow": "POST",
  "content-length": "0",
  "date": "Fri, 13 Oct 2017 07:52:11 GMT",
  "x-application-context": "application:prod",
  "x-content-type-options": "nosniff",
  "x-frame-options": "DENY",
  "x-xss-protection": "1; mode=block",
  "content-type": null
}

If the nested resourse is a bean everything works. The problem is when I've list. Am I missing something? Do you have some advice to solve the problem? I didn't see other questions about this problem.

来源：https://stackoverflow.com/questions/46725154/spring-data-rest-returns-http-405-asking-for-list-of-nested-resources

标签

Spring

spring-mvc

spring-data-rest

spring-hateoas