I receive the following error only when using org.keycloak.util.JsonSerialization to deserialize:

Unrecognized field "class" (Class com.abecorn.model.Item), not marked as ignorable

Here is the setup:

@JsonTypeInfo(use = JsonTypeInfo.Id.CLASS, include = As.PROPERTY, property = "class")

@JsonIgnoreProperties(ignoreUnknown = true)

@Entity

@Indexed

public class Item {