How to tell Jackson to ignore a field during serialization if its value is null?

Question

How can Jackson be configured to ignore a field value during serialization if that field\'s value is null.

For example:

public class SomeClass {
            


        

Answer 1

This has been troubling me for quite some time and I finally found the issue. The issue was due to a wrong import. Earlier I had been using

com.fasterxml.jackson.databind.annotation.JsonSerialize

Which had been deprecated. Just replace the import by

import org.codehaus.jackson.map.annotate.JsonSerialize;
import org.codehaus.jackson.map.annotate.JsonSerialize.Inclusion;

and use it as

@JsonSerialize(include=Inclusion.NON_NULL)