I made a custom SPI for Keycloak(that is running in a docker container, https://hub.docker.com/r/bitnami/keycloak) and implemented the RealmResourceProvider interface. I wrote a custom endpoint and ...

In some cases, ChronoUnit.MONTHS perform math on dates inconsistently depending if we add or subtract. Corner case is when we e.g. add 1 month to a date 2023-01-31. I understand there is no single, ...

I am upgrading my spring boot application to spring boot 2.7.8 and Java 11. I getting different rest response of ZonedDateTime object after upgrade. My request contain "2023-06-23T18:13:06.630Z[...

I would like to verify if my understanding of JSR310 classes use-cases are correct, below a diagram with classes, and how i see them fit: Database (UTC) || \/ OffsetDateTime (...

I have a simple PostgreSQL table: CREATE TABLE public.test_entity ( id int8 NOT NULL, title varchar NOT NULL, created_at date NOT NULL, CONSTRAINT test_entity_pkey PRIMARY KEY (id) ); ...

Im using jackson-datatype-jsr310 module, which supports LocalDateTime serialization. but by default, it serializes date/time as "[2022,6,29,17,15,54]". But I need to override this behaviour ...

Please help to change date format. **Source** json file **Target** Employee Object I need support for converting file json date to Object. from file { "dateOfBirth": { "year"...

I have added the JavaTimeModule but still not able to get OffsetDateTime working on getting some data from RethinkDB @Configuration public class JacksonOffsetDateTimeMapper{ @Bean @Primary public ...

I found that the annotation @Cacheable cannot work when the method returns a Java Bean type, this is the complete description: I annotated @Cacheable on a method to use spring cache: @Cacheable(...

I am using Java Spring-boot RestController. I have a sample GET API in which I am sending LocalDateTime.now() in response body. I have customised the Jackson ObjectMapper to register jackson-datatype-...

Given a LocalDateTime object in Java. How do I set the time for this to 00:00:00 ? One way is to create a new LocalDateTime object with the same date as this one and set it to 0. Is there another way ...

I want to define columns in SQL Server in order for Mybatis Generator to generate java.time.Instant or java.time.OffsetDateTime. According to Mybatis Generator Core, columns with type ...

I'm having an issue with the jackson jsr310 datatype using version > 2.12.0, while this works perfectly with version 2.11.4. This is my POJO: import java.time.OffsetDateTime; public class Pojo { ...

LocalDate in Java has two similar methods equals and isEqual. What's the difference between them? When do they output different results?

I need to validate LocalDate fields in json requests. What i want is to prevent deserializing numbers as miilis to LocalDate. Here is example: I have an entity: public class Test { @NotNull @...