我有以下两个类和yaml配置：
第1类：

@ConfigurationProperties
 @Validated     ֎ 1 ֎
 public class SplitterProps {

    @Valid
    public final ConnectionParams connectionParams;
 //   @Valid
 //   @NotNull
    public final Subscriber subscriber;
    public final List<@NotNull @Valid Converter> converters;

    @ConstructorBinding
    public SplitterProps(ConnectionParams connectionParams,
                                Map<String, Subscriber> subscribersList,
                                List<Converter> converters) {
        this.connectionParams = connectionParams;
        this.subscriber = subscribersList.isEmpty() ? 
                          null : 
                          subscribersList.values().iterator().next();
        this.converters = converters;
    }
 ...
 }

yaml配置：

...
subscribersList:
  sub1:
    kafkaBroker: xxx:9092
    topicName: saveTopic
    healthCheckTimeout: 10
    producerTimeout: 10
...

第2类：

@Configuration(proxyBeanMethods = false)
public class KafkaConfig {

    private final Subscriber subscriberProps;
    private final Map<String, Object> producerProps;

    public KafkaConfig(KafkaProperties kafkaProps,
                       SplitterProps appProps) {
        this.subscriberProps = appProps.subscriber;      ֎ 2 ֎
        this.producerProps = getProducerProperties(kafkaProps, subscriberProps);
    }
...
}

如果行中有@validated注解֎ 1֎
则appprops.subscriber==第行为空֎ 2֎. (npe（产生）
如果行中没有@validated注解֎ 1֎
然后appprops.subscriber！=行中为空֎ 2֎. (按预期工作）
为什么会这样？如何避免？