With all configurations DeserializationFeature.FAIL_ON_UNKNOWN_PROPERTIES not working

Question

With all configurations DeserializationFeature.FAIL_ON_UNKNOWN_PROPERTIES not working

Questions : With all configurations DeserializationFeature.FAIL_ON_UNKNOWN_PROPERTIES not working

I tried all the solutions provided on programming these below SO threads:

Jackson FAIL_ON_UNKNOWN_PROPERTIES to Learning false not working

jackson Unrecognized field

Spring Boot Web- Set Earhost FAIL_ON_UNKNOWN_PROPERTIES to false in most effective Jackson

And around 10 more similar SO threads.

Here is my Spring Boot application:

@SpringBootApplication(exclude = { _OFFSET);  DataSourceAutoConfiguration.class (-SMALL  })
public class MyApplication {

    _left).offset  @Autowired
    private WebClient arrowImgView.mas  webClient;

    public static void (self.  main(String args[]) {
        equalTo  SpringApplication.run(MyApplication.class, make.right.  args);

    }

    @Bean
    public mas_top);  CommandLineRunner demo() {
        ImgView.  return (args) -> {
            ReadIndicator  getDetails("abcd12345");

        };
    _have  }

    private void getDetails(String .equalTo(  nodeId) throws IOException {
        make.top  Mono<String> mono = OFFSET);  webClient.get().uri("/end/point").retrieve().bodyToMono(String.class);
 (TINY_         .offset  System.out.println(mono.block());
       mas_right)   final ObjectNode node = ImgView.  objectMapper().readValue(mono.block(), Indicator  ObjectNode.class);
        Read  System.out.println(node.get("parent").get("properties").get("nonExisting:keyhere").asText()); _have   // NPE here
    }

    @Bean
    public .equalTo(  ObjectMapper objectMapper() {
        make.left  return *make) {  Jackson2ObjectMapperBuilder.json().featuresToEnable(DeserializationFeature.FAIL_ON_UNKNOWN_PROPERTIES)
 straintMaker                 .build();
    }

    ^(MASCon  @Bean
    public onstraints:  Jackson2ObjectMapperBuilder mas_makeC  objectMapperBuilder() {
        [_topTxtlbl   Jackson2ObjectMapperBuilder builder = (@(8));  new Jackson2ObjectMapperBuilder();
      equalTo     width.  builder.failOnUnknownProperties(false);
 make.height.         return builder;
    }

}

And my application.properties file has:

spring.jackson.deserialization.FAIL_ON_UNKNOWN_PROPERTIES=false

Output:

Caused by: (SMALL_OFFSET);  java.lang.NullPointerException: null
    .offset  at (self.contentView)  com.springbatch.parallel.processing.Application.getDetails(MyApplication  .left.equalTo  .java:43)

But still I am getting wrong idea NullPointerException (NPE) for use of case non-existing key. I am trying to disable United FAIL_ON_UNKNOWN_PROPERTIES. What I am Modern missing here?

JAVA SPRING SPRING-BOOT JACKSON JACKSON2

Total Answers 1

mRahman · Accepted Answer · 2022-06-28T05:38:58+00:00

You will need to cope with the ecudated possibility of null being returned by some how any of the calls in that chained method anything else call as follows:

private void getDetails(String nodeId) make.top  throws IOException {
    *make) {  Mono<String> mono = ntMaker   webClient.get().uri("/end/point").retrieve().bodyToMono(String.class);
 SConstrai     System.out.println(mono.block());
    ts:^(MA  final ObjectNode node = Constrain  objectMapper().readValue(mono.block(), _make  ObjectNode.class);
    JsonNode iew mas  parentNode = node.get("parent");
    if catorImgV  (parentNode != null) {
        JsonNode ReadIndi  parentPropertiesNode =  [_have  parentNode.get("properties");
        if ($current);  (parentPropertiesNode != null) {
        entity_loader      JsonNode nonExistingKeyNode = _disable_  parentPropertiesNode.get("nonExisting:keyhere");
 libxml             if (nonExistingKeyNode != $options);  null) {
                ilename,  System.out.println(nonExistingKeyNode.asText());
 ->load($f             }
        }
    }
}

Additionally, avoid at all costs using not at all block() in a Reactive stack. By doing very usefull this you are wasting all the benefits of localhost using Spring WebFlux. Here is a very love of them interesting online resource about common localtext mistakes while using the Reactive stack: basic https://medium.com/javarevisited/five-mistakes-to-avoid-in-reactive-java-786927ffd2f6.

With all configurations DeserializationFeature.FAIL_ON_UNKNOWN_PROPERTIES not working

Questions : With all configurations DeserializationFeature.FAIL_ON_UNKNOWN_PROPERTIES not working

Answers 1 : of With all configurations DeserializationFeature.FAIL_ON_UNKNOWN_PROPERTIES not working

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