jackson-module-kotlin

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Serialize Kotlin's `Nothing?` fields

9

Hi! It seems that now `ObjectMapper` skips `Nothing?` properties: ```kotlin // simplified example // Jackson version I use is `2.10.3` (the latest stable patch version) import com.fasterxml.jackson.core.JsonGenerator import com.fasterxml.jackson.databind.ObjectMapper import...

SerVB

Take into account Java Optional when calculating the property's required marker

1

`class Data(val id: String, val email: Optional)` `email` field is marked as required, but if we not pass data to it, it works correctly, it is initialized with `Optional.empty`. Please...

raderio

Invalid JSON input: Cannot deserialize value of type

7

I have a data class as following: @Json data class ControlTag(val tagSource: TagSource, val tag: TagType) TagSource class: @Json enum class TagSource { EXISTING, USER } TagType is an interface:...

mehmetbebek

KotlinObjectSingletonDeserializer fails to deserialize previously serialized JSON as it doesn't delegate deserializeWithType

21

The introduction of [`KotlinObjectSingletonDeserializer`](https://github.com/FasterXML/jackson-module-kotlin/blob/master/src/main/kotlin/com/fasterxml/jackson/module/kotlin/KotlinObjectSingletonDeserializer.kt) in 2.10.1 breaks the deserialization of Kotlin structures that could successfully be deserialized in 2.10.0. I've forked jackson-module-kotlin and introduced three branches that demonstrate the problem...

george-hawkins

Missing classes error using AGP 8 R8 shrinker

1

### Search before asking - [X] I searched in the [issues](https://github.com/FasterXML/jackson-module-kotlin/issues) and found nothing similar. - [X] I searched in the [issues of databind](https://github.com/FasterXML/jackson-databind/issues) and other modules used and found...

aroyarexs

Cannot use value class as map key in 2.17

8

### Search before asking - [X] I searched in the [issues](https://github.com/FasterXML/jackson-module-kotlin/issues) and found nothing similar. - [X] I searched in the [issues of databind](https://github.com/FasterXML/jackson-databind/issues) and other modules used and found...

geirsagberg

How to disable the feature who rename a primitive boolean "isXXX" to "XXX"

1

### Your question Hello, I know is a feature but it's annoying in my case : how to avoid the serializer to renamme my property "isAvailable" to "available". I want...

SannaK

Excessive memory usage when using KotlinModule with Kotlin data class

2

### Search before asking - [X] I searched in the [issues](https://github.com/FasterXML/jackson-module-kotlin/issues) and found nothing similar. - [X] I searched in the [issues of databind](https://github.com/FasterXML/jackson-databind/issues) and other modules used and found...

t9t

jackson-module-kotlin 3.0.0-SNAPSHOT tests against Kotlin 2.0 fail

1

### Search before asking - [X] I searched in the [issues](https://github.com/FasterXML/jackson-module-kotlin/issues) and found nothing similar. - [X] I searched in the [issues of databind](https://github.com/FasterXML/jackson-databind/issues) and other modules used and found...

cowtowncoder

See if there is benefit from integrating with jackson-databind better wrt detecting "canonical" Constructor for Kotlin (data) classes

5

With 2.18 jackson-databind has a new, rewritten logic for POJO Property detection: work was done mostly under https://github.com/FasterXML/jackson-databind/issues/4515. Logic, at high-level, selects at most one "Properties-based" Creator (constructor / static...

cowtowncoder