jackson-databind

jackson-databind copied to clipboard

Cannot use polymorphic type handling (DEDUCTION) with "POJO as Array" notation

1

**Problem (excuses for the long description) - Version: 2.13** I am trying to use the JsonTypeInfo.Id.DEDUCTION method which is described [here](https://cowtowncoder.medium.com/jackson-2-12-most-wanted-1-5-deduction-based-polymorphism-c7fb51db7818) and in a lot of other sources with JSON...

platonef

Polymorphic subtype deduction behaves differently based on order of fields

8

**Describe the bug** I'm using @JsonTypeInfo(use = Id.DEDUCTION) and have created a scenario where the mapper behaves differently depending on how I order my fields, which I think should be...

thanaParis

Deduction deserialization - add support for pojo-hierarchies such that the absence of child fields infers a supertype

10

Currently, deduction deserialization requires all values to have unique field. Because of that, there is no way to deserialize values to superclass and subclasses, when `defaultImpl` is different than superclass....

pakorcz

Required primitive properties

1

**Is your feature request related to a problem? Please describe.** I have a request model containing IDs which are numbers (`long`), In order to make them required I need to...

acanthite1855

@JsonIdentityInfo doesn't handle references correctly in a generic list

7

**Describe the bug** I'm serializing and deserializing a generic list. ```java @JsonIdentityInfo(generator = ObjectIdGenerators.StringIdGenerator.class) public static class Foo { } @JsonIdentityInfo(generator = ObjectIdGenerators.StringIdGenerator.class) public static class Bar { } public...

doraeimo

Distinguish between null and non-set field when deserializing to Java 16 record

4

In case of deserialization to Java 16 record is there any way to distinguish between situation when JSON field is set to null and when field is not set at...

hajdamak

WS-2021-06-16 vulnerability fix downport to 2.11.x

1

A vulnerability (WS-2021-0616) was discovered and it is fixed in versions 2.12.6 and 2.13.1. However, as we were told (https://github.com/spring-projects/spring-boot/issues/29569#issuecomment-1021997847) these versions are incompatible with Spring Boot 2.4.13. Therefore, requesting...

meier-th

**Describe the bug** When deserializing in immutable objects using `@JsonCreator,` the same json (but with different order of attributes) may succeed or fail. Note: happens when using `@JsonIdentityInfo` and `@JsonIdentityReference(alwaysAsId...

jeandemanged

Primitive to record mapping fails to find constructor

4

**Describe the bug** Jackson not able to use same deserialization strategy in records that uses in classes. **Version information** 2.13.1 **To Reproduce** ``` import com.fasterxml.jackson.core.JsonProcessingException; import com.fasterxml.jackson.databind.json.JsonMapper; import org.junit.jupiter.api.Test; public...

dalira

Deserialization fails depending on the order of deserialized objects with "Cannot construct instance (although at least one Creator exists)"

8

**Describe the bug** Deserialization of a specific class becomes broken if another specific class is deserialized before it. All classes are immutable and depend on `@JsonCreator` and property-based constructors with...

dinopraso