java - 在来自 Micronaut 休息端点的 JSON 中包含 null 和空属性
问题描述
JSON 序列化的 Micronuat 默认配置JsonInclude.Include.NON_EMPTY
不包含空值或 null 值。但是,我需要包含空值和空值,所以我到目前为止所做的 -
@Introspected
@JsonInclude(ALWAYS)
public class FindVendorViewModel extends PaginationViewModel {
private List<VendorViewModel> vendors;
public List<VendorViewModel> getVendors() {
return vendors;
}
public void setVendors(List<VendorViewModel> vendors) {
this.vendors = vendors;
}
}
分页模型
@Introspected
@JsonInclude(ALWAYS)
public class PaginationViewModel {
int pageSize = 10;
int total = 0;
int currentPage = 0;
int totalPage = 0;
@Valid
@LastIdRequired
String lastId;
// Getter and setter
}
当我添加@JsonInclude(ALWAYS)时,它不会在 JSON 响应中包含NULL或EMPTY值,如下所示。
{
"pageSize": 10,
"total": 28,
"currentPage": 0,
"totalPage": 3
}
如果我添加下面的代码,它确实包含NULL或EMPTY值lastId
vendors
jackson:
serializationInclusion: ALWAYS
{
"pageSize": 10,
"total": 0,
"currentPage": 0,
"totalPage": 0,
"lastId": null,
"vendors": []
}
但是,它会引发如下异常
11:15:25.640 [default-nioEventLoopGroup-1-5] ERROR i.m.d.registration.AutoRegistration - Error occurred during service registration with Consul: Request decode failed: json: unknown field "ID"
io.micronaut.http.client.exceptions.HttpClientResponseException: Request decode failed: json: unknown field "ID"
at io.micronaut.http.client.netty.DefaultHttpClient$12.channelRead0(DefaultHttpClient.java:2140)
at io.micronaut.http.client.netty.DefaultHttpClient$12.channelRead0(DefaultHttpClient.java:2055)
at io.netty.channel.SimpleChannelInboundHandler.channelRead(SimpleChannelInboundHandler.java:99)
at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)
at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)
at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)
at io.micronaut.http.netty.stream.HttpStreamsHandler.channelRead(HttpStreamsHandler.java:193)
at io.micronaut.http.netty.stream.HttpStreamsClientHandler.channelRead(HttpStreamsClientHandler.java:183)
at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)
at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)
at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)
at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)
at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)
at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)
at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
控制器
@Controller("/api/${api.version:v1}/vendor")
public class ApiGatewayVendorController implements IVendorOperation{
@Override
public Maybe<?> get(VendorSearchCriteria searchCriteria) {
return this.iVendorClient.get(searchCriteria);
}
}
解决方案
对我来说,问题在于领事发现
consul:
client:
defaultZone: ${CONSUL_HOST:localhost}:${CONSUL_PORT:8500}
registration:
check:
enabled: false
enabled: true
添加以下代码是解决方法,但是,这是一个错误 https://github.com/micronaut-projects/micronaut-core/issues/3530
registration:
check:
enabled: false
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