jackson-databind

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ObjectMapper.convertValue to Map leads to unexpected Map for type configured with @JsonSubTypes and @JsonValue

12

### Search before asking - [x] I searched in the [issues](https://github.com/FasterXML/jackson-databind/issues) and found nothing similar. ### Describe the bug Given some type wrapping a `String` property, with a deserialization startegy...

blacelle

If there is a no-argument constructor marked as `JsonCreator` and a constructor reported as `DefaultCreator`, the `DefaultCreator` is incorrectly used.

2

### Search before asking - [x] I searched in the [issues](https://github.com/FasterXML/jackson-databind/issues) and found nothing similar. ### Describe the bug If both `JsonCreator` and `DefaultCreator` are reported, the `JsonCreator` should take...

k163377

Support @JsonAnySetter on method with single Map parameter

5

### Discussed in https://github.com/FasterXML/jackson-databind/discussions/4888 Originally posted by **chrylis** January 7, 2025 Currently, `@JsonAnySetter` can be used on a physical field of type `Map`, but unlike `@JsonProperty`, it will be silently...

cowtowncoder

JsonTypeInfo.Id.MINIMAL_CLASS generates invalid type on sub-package

13

Jackson: 2.18.2 I consider an interface with `@JsonTypeInfo(use = JsonTypeInfo.Id.MINIMAL_CLASS, property = "type")`. It works correctly with implementations in thr same package, but it fails with implementations in a child...

blacelle

…sName

blacelle

If `ImplicitPropertyName` is present, one-argument constructors with `JsonCreator.Mode.DEFAULT` are treated differently than usual.

1

### Search before asking - [x] I searched in the [issues](https://github.com/FasterXML/jackson-databind/issues) and found nothing similar. ### Describe the bug If there is an `ImplicitPropertyName`, it seems that `JsonCreator.Mode.PROPERTIES` is treated...

k163377

`MapperFeature` to ignore setter/getter method implicit detection for Record types

12

### Describe your Issue Because Java is not Delphi ObjectPascal or modern JavaScript or Kotlin, it has no idea of "properties", although the JavaBeans specification was an attempt to shoehorn...

garretwilson

When Include.NON_DEFAULT setting is used on POJO record, empty values are not included in json if default is null

2

### Search before asking - [X] I searched in the [issues](https://github.com/FasterXML/jackson-databind/issues) and found nothing similar. ### Describe the bug Same issue as in https://github.com/FasterXML/jackson-databind/issues/4741, but happens when the target is...

xehonk

Unable to deserialize @JsonUnwrapped Optional<> field using Jackson

4

I tried to apply `@JsonUnwrapped` annotation to `Optional` field and can't figure out why deserialization turns this field into null value. I wrote a test to demonstrate this issue and...

vbarhatov

Consider fate of `SerializationFeature.WRITE_EMPTY_JSON_ARRAYS`

2

(note: based on https://github.com/FasterXML/jackson-annotations/issues/102) Since existing but deprecated `SerializationFeature.WRITE_EMPTY_JSON_ARRAYS` does not have exact replacement as is, we need to figure out what to do: main choices being: 1. Figure out...

cowtowncoder