As addition to other solutions, @JsonProperty annotation is really important if you use the @JsonCreator annotation in classes which don't have a no-arg constructor. So your DataContext for "video_length_textbox" is about to by itself, and your IncrementingTextBox course does not have a public property known as ConfigurationModel 2 @KellyThomas Just https://readytomoveretailshopinnoida.blogspot.com/