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Json4s: Trouble while trying to convert Json attribute to java.sql.Date

Something along these lines (you might want to be more specific with formats). And then mix this trait in the classes which need to have access to this custom serializer.

import org.json4s.DefaultJsonFormats._

trait JsonFormats {

  case object DateSerializer extends
CustomSerializer[java.sql.Date](format => (
      case JString(s) => Date.valueOf(s)
      case JNull => null
      case d: Date => JString(d.toString())

  implicit val json4sFormats = 
native.Serialization.formats(NoTypeHints) +

Categories : Scala

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