使用Response.readEntity（ExampleResponse.class）

Question

当我尝试使用包javax.ws.rs.core中的Response.readEntity()方法将响应映射到实体时，出现此异常。在泽西岛测试中。我不确定我在做什么错？这个错误可能很明显，但是对于JAX-RS和Jackson来说，我还是很陌生。

例外：

javax.ws.rs.ProcessingException: Error reading entity from input stream.
org.glassfish.jersey.client.InboundJaxrsResponse.readEntity(InboundJaxrsResponse.java:112)
at example.src.ExampleTest.putExample(ExampleTest.java:261) 
Caused by: com.fasterxml.jackson.databind.exc.MismatchedInputException: 
Cannot construct instance of javax.ws.rs.core.Link (although at least one Creator exists):
cannot deserialize from Object value (no delegate- or property-based Creator)at 
[Source: (org.glassfish.jersey.message.internal.ReaderInterceptorExecutor$UnCloseableInputStream); line: 1, column: 242] 
(through reference chain: example.src.ExampleResponse["links"]->java.util.ArrayList[0])

我有一个响应班：

@JsonPropertyOrder({"name"});
public class ExampleResponse() {
    private String name;
    private List<Link> links = new ArrayList<>();

    public List<Link> getLinks() {
        return links;
    }

    public void addLink(String url, String rel) {
        links.add(Link.fromUri(url)
                .rel(rel)
                .build());
    }

    public void setName(String name) {
        this.name = name;
    }

    public String getName() {
        return this.name;
    }

    public static ExampleResponse instance(String url) {
        ExampleResponse er = new ExampleResponse();
        er.setName("someName");
        er.addLink(url, "relation");
        return er;
    }
}

然后我有一个资源：

@Path("/1/")
@Produces(MediaType.APPLICATION_JSON)
@Consumes(MediaType.APPLICATION_JSON)
public class ExampleResouce() {

    private String uri = someInitMethod();
    @PUT
    @Produces(MediaType.APPLICATION_JSON)
    @Consumes(MediaType.APPLICATION_JSON)
    public Response putExample() {
        return Response.status(Status.OK)
                .type(MediaType.APPLICATION_JSON_TYPE)
                .entity(ExampleResponse.instance(uri))
                .build();
    }
}

最后是在readEntity上失败的测试：

@Test
public void testPut() {
    ExampleResponse toPut = new ExampleResponse();
    toPut.setName("New_Name");
    final Response response = target("/1/").request()
            .put(Entity.json(toPut));

    assertEquals(Status.OK.getStatusCode(), response.getStatus());
    ExampleResponse er = response.readEntity(ExampleResponse.class);
}