Question

在我的代码中venue和coach是实体并且都有照片，当我修补教练实体时，它工作正常但是当我想修补教练资源时它会给我以下错误有人可以解释是什么问题吗？

Coach.java

@Entity
public class Coach implements CoachGetter,Serializable {

    private static final long serialVersionUID = 1L;

    @Id
    @GeneratedValue(strategy = GenerationType.IDENTITY)
    private long id;

    @Column(nullable=false)
    private String name;

    private String extras;

    @ManyToOne
    @NotNull
    private Sport sport;

    @OneToOne(mappedBy="coach",targetEntity=CoachPhoto.class)
    private CoachPhoto coachPhoto;

    //getters and setters 
}

Venuehoto

@Entity
public class VenuePhoto {

    @Id
    @GeneratedValue(strategy=GenerationType.IDENTITY)
    private Long id;

    @ManyToOne
    private Venue venue;

    private String path;
    // getters and setters }

CoachPhoto

@Entity
public class CoachPhoto {

    @Id
    @GeneratedValue(strategy=GenerationType.IDENTITY)
    private Long id;

    @OneToOne
    private Coach coach;

    private String path;

       }

venue.java

@Entity
public class Venue {

    @Id
    @GeneratedValue(strategy = GenerationType.IDENTITY)
    private long id;

    @Column(nullable=false)
    private String name;

    private Boolean enabled=true;

    private Double latitude;

    private Double longitude;

    @ManyToMany
    private Set<Sport> sport;

    @OneToMany(mappedBy="venue",targetEntity=VenuePhoto.class)
    private List <VenuePhoto> venuePhotos;
    //getters and setters
}

教练补丁请求

{
    "name": "John",
    "id": 6,
    "sport": "http://localhost:3000/api/sports/6",
    "coachPhoto": {
        "id": 8,
        "path": "coachPhotos/8.jpg"
    },
    "extras": null
}

场地补丁请求

{
    "name": "National Stadium",
    "id": 5,
    "enabled": true,
    "latitude": 25.203927,
    "longitude": 55.271077,
    "venuePhotos": [ 
        {
            "path": "venuePhotos/3.jpg"
        },
        {
            "path": "venuePhotos/6.jpg"
        }
    ]
}

错误

Caused by: com.fasterxml.jackson.databind.JsonMappingException: Failed to convert from type [java.net.URI] to type [com.ivl.MySportsAcademy.model.VenuePhoto] for value 'path'; nested exception is java.lang.IllegalArgumentException: Cannot resolve URI path. Is it local or remote? Only local URIs are resolvable. (through reference chain: com.ivl.MySportsAcademy.model.Venue["venuePhotos"]->java.util.ArrayList[1])
    at com.fasterxml.jackson.databind.JsonMappingException.wrapWithPath(JsonMappingException.java:388) ~[jackson-databind-2.8.10.jar:2.8.10]
    at com.fasterxml.jackson.databind.JsonMappingException.wrapWithPath(JsonMappingException.java:360) ~[jackson-databind-2.8.10.jar:2.8.10]
    at com.fasterxml.jackson.databind.deser.std.CollectionDeserializer.deserialize(CollectionDeserializer.java:308) ~[jackson-databind-2.8.10.jar:2.8.10]
    at com.fasterxml.jackson.databind.deser.std.CollectionDeserializer.deserialize(CollectionDeserializer.java:259) ~[jackson-databind-2.8.10.jar:2.8.10]
    at com.fasterxml.jackson.databind.deser.std.CollectionDeserializer.deserialize(CollectionDeserializer.java:26) ~[jackson-databind-2.8.10.jar:2.8.10]
    at com.fasterxml.jackson.databind.deser.SettableBeanProperty.deserialize(SettableBeanProperty.java:504) ~[jackson-databind-2.8.10.jar:2.8.10]
    at com.fasterxml.jackson.databind.deser.impl.MethodProperty.deserializeAndSet(MethodProperty.java:104) ~[jackson-databind-2.8.10.jar:2.8.10]
    at com.fasterxml.jackson.databind.deser.BeanDeserializer.deserialize(BeanDeserializer.java:240) ~[jackson-databind-2.8.10.jar:2.8.10]
    at com.fasterxml.jackson.databind.ObjectReader._bindAndClose(ObjectReader.java:1628) ~[jackson-databind-2.8.10.jar:2.8.10]
    at com.fasterxml.jackson.databind.ObjectReader.readValue(ObjectReader.java:1301) ~[jackson-databind-2.8.10.jar:2.8.10]
    at org.springframework.data.rest.webmvc.json.DomainObjectReader.doMerge(DomainObjectReader.java:279) ~[spring-data-rest-webmvc-2.6.9.RELEASE.jar:na]
    at org.springframework.data.rest.webmvc.json.DomainObjectReader.read(DomainObjectReader.java:87) ~[spring-data-rest-webmvc-2.6.9.RELEASE.jar:na]
    ... 101 common frames omitted
Caused by: org.springframework.core.convert.ConversionFailedException: Failed to convert from type [java.net.URI] to type [com.ivl.MySportsAcademy.model.VenuePhoto] for value 'path'; nested exception is java.lang.IllegalArgumentException: Cannot resolve URI path. Is it local or remote? Only local URIs are resolvable.
    at org.springframework.data.rest.core.UriToEntityConverter.convert(UriToEntityConverter.java:119) ~[spring-data-rest-core-2.6.9.RELEASE.jar:na]
    at org.springframework.data.rest.webmvc.json.PersistentEntityJackson2Module$UriStringDeserializer.deserialize(PersistentEntityJackson2Module.java:518) ~[spring-data-rest-webmvc-2.6.9.RELEASE.jar:na]
    at com.fasterxml.jackson.databind.deser.std.CollectionDeserializer.deserialize(CollectionDeserializer.java:287) ~[jackson-databind-2.8.10.jar:2.8.10]
    ... 110 common frames omitted
Caused by: java.lang.IllegalArgumentException: Cannot resolve URI path. Is it local or remote? Only local URIs are resolvable.
    ... 113 common frames omitted

Spring Rest：使用补丁编辑资源

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