Strange Jackson exception being thrown when serializing Hibernate object

Question

Jackson is throwing a weird exception that I don\'t know how to fix. I\'m using Spring, Hibernate and Jackson.

I have already considered that lazy-loading is causing

Answer 1

Similar to other answers, the problem for me was declaring a many-to-one column to do lazy fetching. Switching to eager fetching fixed the problem. Before:

@ManyToOne(targetEntity = StatusCode.class, fetch = FetchType.LAZY)

After:

@ManyToOne(targetEntity = StatusCode.class, fetch = FetchType.EAGER)