春ブーツ多対多ジャクソン再帰

-4

@Entity 
@Table(name = "person") 
public class Person{ 
    @Id 
    @GeneratedValue(strategy = GenerationType.AUTO) 
    private int id; 

    @Column(name = "name", nullable = false, length = 30) 
    private String name; 

    @Column(name = "age", nullable = false, length = 2) 
    private int age; 

    @ManyToMany 
    private List<Person> friends; 
}

PersonController：

@RestController 
@RequestMapping("/person") 
public class PersonController{ 
    @Autowired 
    PersonService personService; 

    @RequestMapping(value = {"/findAll"}, method = RequestMethod.GET) 
    public Object findAll(){ 
     List<Person> people = personService.findAll(); 
     Map<String, Object> response = new HashMap<String, Object>(); 
     response.put("msg", "王安生王person!"); 
     response.put("people", people); 
     return response; 
    } 
}

データベース：テーブルの人 table person