jackson-databind

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Excessive rigidity: Hardcoded class reference prevents flexible implementations of Object Id Resolvers in Json

2

### Search before asking - [X] I searched in the [issues](https://github.com/FasterXML/jackson-databind/issues) and found nothing similar. ### Describe the bug I want to adapt an awkward, custom form of self-referencing structure...

DavidIAm

Buffering needed for `@JsonTypeInfo` property breaks parsing of Floats (depending on property order)

2

We're using a class structure similar to the following one using the `@JsonTypeInfo` to determine various SubTypes possible for that JSON: ```java @JsonTypeInfo(use = JsonTypeInfo.Id.NAME, include = JsonTypeInfo.As.EXISTING_PROPERTY, property =...

lost-carrier

SerializerCache: remove synchronization when only _sharedMap is accessed with a read call

5

* there is a lot of synchronization in SerializerCache * most of it may be necessary on the update side but on the read side, we can remove some *...

pjfanning

ParameterNamesModule causes @ConstructorProperties to be ignored, constructor called with null value

8

### Search before asking - [X] I searched in the [issues](https://github.com/FasterXML/jackson-databind/issues) and found nothing similar. ### Describe the bug If ParameterNamesModule is enabled, the constructor is called with a null...

lbenedetto

Serialize to multiple aliases

5

I have an API that is read by an existing client, and I would like to rename a field on the API. I want to serialize the value under both...

mjustin

Deserialize failed when using referencing and the object does not have an empty constructor

1

### Search before asking - [X] I searched in the [issues](https://github.com/FasterXML/jackson-databind/issues) and found nothing similar. ### Describe the bug I found a strange issue when trying to deserialize a specific...

Ferioney

The `KeyDeserializer` specified in the class with `@JsonDeserialize(keyUsing = ...)` is overwritten by the `KeyDeserializer` specified in the `ObjectMapper`.

1

### Search before asking - [X] I searched in the [issues](https://github.com/FasterXML/jackson-databind/issues) and found nothing similar. ### Describe the bug SSIA Also, the attached `Java` reproduction code is directly adding `KeyDeserializer`...

k163377

Remove unnecessary external synchronization from `SerializerCache` access of `_sharedMap`

1

(note: off-shoot of #4430 ) Due to historical reasons, `SerializerCache` uses `synchronized` around all access to `LookupCache _sharedMap`. This is not necessary as `LookupCache` implementations must implement thread-safe access. Let's...

cowtowncoder