Spring Rest POST Json RequestBody Content type not supported

Question

When I try to post new object with post method. RequestBody could not recognize contentType. Spring is already configured and POST could work with others objects, but not th

Answer 1

I had the same issue when I used this as a foreign key.

@JsonBackReference
@ManyToOne(cascade = {CascadeType.PERSIST, CascadeType.DETACH},fetch = FetchType.EAGER)
@JoinColumn(name = "user_id")
private User user;

Then I removed @JsonBackReference annotation. After that above issue was fixed.