vznet/mongo-jackson-mapper — pull request #27 by phedny (2012-12-09 08:38:29+00:00)
Title: _id property of polymorphic types are not handled correctly

When the @JsonTypeInfo and @JsonSubTypes annotations are used on a class that being persisted to MongoDb using mongo-jackson-mapper, the _id property is not correctly identified by the IdHandlerFactory, since the root JsonDeserializer will not be the BeanDeserializer, but a WrappedDeserializer.