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Finatra v21.5.0 Release Notes

  • 🛠 Fixed

    
* finatra-jackson: Do not enforce `CaseClassDeserializer` deserialization semantics for a
  field until after any deserializer annotation has been resolved. This fully allows a deserializer
  to specify how to deserialize a field completely independent of the `CaseClassDeserializer`
  requirements for fields. For example, if a user wanted to allow parsing of a JSON `null` value
  into a `null` field instance value, they could define a custom deserializer to do so and annotate
  the case class field with `@JsonDeserialize(using = classOf[CustomNullableDeserializer])`.

  Additionally, we've fix a bug in how String case class fields are handled when the incoming JSON is
  not a String-type. The current code incorrectly returns an empty string when the field value is
  parsed into Jackson ContainerNode or ObjectNode types and an incorrect `toString` representation
  for a PojoNode type. We now correctly represent the field value as a string in these cases to
  deserialize into the case class field. ``PHAB_ID=D676938``

* finatra-jackson: Properly handle Scala enumeration fields wrapped in an `Option` during
  deserialization failures in the `CaseClassDeserializer#isScalaEnumerationType` method.
  ``PHAB_ID=D665062``

🔄 Changed

    • 🗄 finatra-kafka: Deprecate c.t.finatra.kafka.consumers.TracingKafkaConsumer as it only produced single-span traces and there is no way to propagate the TraceId back to the caller without changing the entire API. Users should use the c.t.finatra.kafka.consumers.KafkaConsumerTracer.trace method instead to enable tracing for Kafka Consumers. Also added c.t.finatra.kafka.producers.KafkaProducerTraceAnnotator and c.t.finatra.kafka.consumers.KafkaConsumerTraceAnnotator services which will can be used to add custom trace annotations to the producer and consumer spans. PHAB_ID=D649655

    • ⚡️ finatra (BREAKING API CHANGE): Update to use the new util/util-validator ScalaValidator for case class field validations. We've removed the custom Finatra c.t.finatra.validation.Validator and instead now use the c.t.util.validation.ScalaValidator. Constraint annotations and validator implementations now use the standard jakarta.validation API interface classes instead of any custom Finatra types. We've deprecated the custom Finatra constraints as they are duplicative of already existing "standard" or otherwise provided constraints and validators. Additionally, c.t.finatra.validation.ErrorCode is deprecated with no replacement. The same data carried can be obtained via the standard jakarta.validation.ConstraintViolation[T].

    Adapting the Finatra framework to use the util/util-validator also includes the framework Jackson integration. We're also taking this opportunity to clean up the error reporting interface of the CaseClassFieldMappingException to define a CaseClassFieldMappingException.Reason type to replace the usage of the (removed) ValidationResult.Invalid type. The Reason carries a message String as well as a CaseClassFieldMappingException.Detail which can be one of several possible types including a CaseClassFieldMappingException.ValidationError which carries any failed validation information including the emitted ConstraintViolation[T].

    Lastly, we are deprecating support for JSON serialization/deserialization of JodaTime fields in case classes. This support will be dropped in an upcoming release. Users should prefer to use the JDK 8 java.time classes and we will be adding support for these types in the Finatra Jackson integration in the future. PHAB_ID=D659556

    • finatra-jackson: (BREAKING API CHANGE) JsonLogging should use the lazy Scala SLF4J logger and no longer return the passed in argument that's logged as JSON. PHAB_ID=D563699