Geolatte not registering Jackson Module with Spring Boot

[bigalnz]

I know this may be read as being a Spring Boot issue, but I am not sure as I have read many documents on how to load a Jackson module into Spring Boot and none of them so far seem to work. All my error messages reference Geolatte in the stack trace, so I wonder if the issue lies there.

Here is my configuration: ENTITY

@Value
@Data
public class CheckDto implements Serializable {

    Long id;
    @JsonSerialize(using = GeometrySerializer.class)
    @JsonDeserialize(using = GeometryDeserializer.class)
    Point<G2D> location;
    // getters setters etc
}

Register the Bean for GeolatteGeomModule: Note this does get loaded as verified by breatpoints inside GeolatteGeomModule.

@Configuration
@EnableEntityViews("com.nz.kiwi.model")
@ComponentScan("com.nz.kiwi")
public class AppConfig {
@Bean
public ObjectMapper mapper() {
    CoordinateReferenceSystem<G2D> crs = WGS84;
    ObjectMapper gMapper = new ObjectMapper();
    gMapper.registerModule(new GeolatteGeomModule(crs));
    return gMapper;
}

Stacktrace:

Mon Sep 04 18:45:46 NZST 2023
There was an unexpected error (type=Internal Server Error, status=500).
No converter for [class com.nz.kiwi.view.HealthCheckDto] with preset Content-Type 'application/json'
org.springframework.http.converter.HttpMessageNotWritableException: No converter for [class com.nz.kiwi.view.HealthCheckDto] with preset Content-Type 'application/json'
    at org.springframework.web.servlet.mvc.method.annotation.AbstractMessageConverterMethodProcessor.writeWithMessageConverters(AbstractMessageConverterMethodProcessor.java:319)
    at org.springframework.web.servlet.mvc.method.annotation.HttpEntityMethodProcessor.handleReturnValue(HttpEntityMethodProcessor.java:245)
    at org.springframework.web.method.support.HandlerMethodReturnValueHandlerComposite.handleReturnValue(HandlerMethodReturnValueHandlerComposite.java:78)
    at org.springframework.web.servlet.mvc.method.annotation.ServletInvocableHandlerMethod.invokeAndHandle(ServletInvocableHandlerMethod.java:136)
    at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.invokeHandlerMethod(RequestMappingHandlerAdapter.java:884)
    at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.handleInternal(RequestMappingHandlerAdapter.java:797)
    at org.springframework.web.servlet.mvc.method.AbstractHandlerMethodAdapter.handle(AbstractHandlerMethodAdapter.java:87)
    at org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:1081)
    at org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:974)
    at org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:1011)
    at org.springframework.web.servlet.FrameworkServlet.doGet(FrameworkServlet.java:903)
    at jakarta.servlet.http.HttpServlet.service(HttpServlet.java:564)
    at org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:885)
    at jakarta.servlet.http.HttpServlet.service(HttpServlet.java:658)
    at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:205)
    at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:149)
    at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:51)
    at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:174)
    at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:149)
    at org.springframework.web.filter.CharacterEncodingFilter.doFilterInternal(CharacterEncodingFilter.java:201)
    at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:116)
    at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:174)
    at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:149)
    at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:166)
    at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:90)
    at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:482)
    at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:115)
    at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:93)
    at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:74)
    at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:341)
    at org.apache.coyote.http11.Http11Processor.service(Http11Processor.java:391)
    at org.apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:63)
    at org.apache.coyote.AbstractProtocol$ConnectionHandler.process(AbstractProtocol.java:894)
    at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1740)
    at org.apache.tomcat.util.net.SocketProcessorBase.run(SocketProcessorBase.java:52)
    at org.apache.tomcat.util.threads.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1191)
    at org.apache.tomcat.util.threads.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:659)
    at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)
    at java.base/java.lang.Thread.run(Thread.java:833)

Now if I change the entity to:

  @Value
  @Data
  public class CheckDto implements Serializable {

    Long id;
    //@JsonSerialize(using = GeometrySerializer.class)
    //@JsonDeserialize(using = GeometryDeserializer.class)
    Point<G2D> location;
    // getters setters etc
}

And the controller to load the GeolatteGeomModule manually I get:

    public ObjectMapper mapper() {
        CoordinateReferenceSystem<G2D> crs = WGS84;
        ObjectMapper gMapper = new ObjectMapper();
        gMapper.registerModule(new GeolatteGeomModule(crs));
        gMapper.registerModule(new JavaTimeModule());
        return gMapper;
    }

    @GetMapping(value = "/custom5/{id}", produces = "application/json")
    public ResponseEntity<?> BirdSummaryDTOCustom5(@PathVariable Long id) throws JsonProcessingException {
        HealthCheckDto hcDto = customBirdRepository.customQuery5(id);
        ObjectMapper objectMapper = mapper();
        String json = objectMapper.writeValueAsString(hcDto);
        return ResponseEntity.ok()
                .contentType(MediaType.APPLICATION_JSON)
                .header("Custom-Header", "birdApp")
                .body(json);
    }

Which returns :
```
    {
        "id": 5,
        "catchDateTime": "2023-06-05 11:18",
        "releaseDateTime": "2023-06-05 11:45",
        "location": {
            "type": "Point",
            "crs": {
                "type": "name",
                "properties": {
                    "name": "EPSG:4326"
                }
            },
        "coordinates": [
            173.5,
            -35.5
        ]
    }
}

I have tried so many things - and followed so many SO answers, I just dont know where the issue lies.

In a working example with spring do I need:

@JsonSerialize(using = GeometrySerializer.class)
@JsonDeserialize(using = GeometryDeserializer.class)

Is my syntax for instantiating GeolatteGeomModule correct? Some of my error messages on stack trace complained about a missing Settings in constructor?

[maesenka]

You write "All my error messages reference Geolatte in the stack trace" but the stack trace you posted doesn't reference geolatte at all.

[bigalnz]

If I try this :

    @Bean
    Jackson2ObjectMapperBuilderCustomizer jsonCustomizer() {
        CoordinateReferenceSystem<G2D> crs = WGS84;
        return builder -> builder
                .deserializers(new GeometryDeserializer(WGS84, settings));
    }

Which is one way to load the GeolatteGeomModule the second param in GeometryDeserializer is a Settings but I dont seem to be able to import the settings class?

There is a settings class in the GeolatteGeomJson dependency - but I don't seem to be able to import it to provide the second param.

[bigalnz]

You write "All my error messages reference Geolatte in the stack trace" but the stack trace you posted doesn't reference geolatte at all.

Yes I accept that - but the last 2 days of trying to get this working, in all the different attempts - many of the messages have references GeoLatteGeomModule.

Once I get this going I would like to write a simple use case for Spring Boot for the docs.

[bigalnz]

Also articles like here : https://www.baeldung.com/spring-boot-customize-jackson-objectmapper

Reference injecting modules like this:

@Bean
public MappingJackson2HttpMessageConverter mappingJackson2HttpMessageConverter() {
    Jackson2ObjectMapperBuilder builder = new Jackson2ObjectMapperBuilder().serializers(LOCAL_DATETIME_SERIALIZER)
      .serializationInclusion(JsonInclude.Include.NON_NULL);
    return new MappingJackson2HttpMessageConverter(builder.build());
}

But in this context what would the corresponding value for LOCAL_DATETIME_SERIALIZER value be for GeolatteGeomModule?

[bigalnz]

Another message I was getting earlier:

UnsatisfiedDependencyException: Error creating bean with name 'org.geolatte.geom.json.GeometrySerializer': Unsatisfied dependency expressed through constructor parameter 0: No qualifying bean of type 'org.geolatte.geom.json.Settings' available: expected at least 1 bean which qualifies as autowire candidate. Dependency annotations: {}

How do I instantiate settings so I can pass it in as a constructor parameter?