@JsonIgnore and @JsonBackReference are being Ignored

Question

I\'m working with RestEasy, Jboss 7 and EJB 3.1. I\'m creating a RESTful web service that returns data in JSON format.

The problem is that I have a @ManyToOne<

Answer 1

The problem here seems to be related to using Set instead of List. I had exactly the same problem and changing from Set to List fixed this, otherwise I always got Infinite recursion error from Jackson. I don't know if this is really a bug in Jackson or do you have to provide some other annotations etc. when using Set.