com.github.vanroy.springdata.jest.exception.JestElasticsearchException getting 400 parsing exception

[rafeek-k-s]

Cannot execute jest action , response code : 400 , error : {"root_cause":[{"type":"parse_exception","reason":"field must be either [lat], [lon] or [geohash]"}],"type":"mapper_parsing_exception","reason":"failed to parse","caused_by":{"type":"parse_exception","reason":"field must be either [lat], [lon] or [geohash]"}} , message : null

here is my model

@document(indexName = "lxi")
public class Lxi implements Serializable {

private static final long serialVersionUID = 1L;

@Id
@GeneratedValue(strategy = GenerationType.IDENTITY)
private Long id;

@Column(name = "name")
private String name;

@OneToOne
@JoinColumn(unique = true)
@GeoPointField
private LocationMap locationMap;

and
@document(indexName = "locationmap")
public class LocationMap implements Serializable {

private static final long serialVersionUID = 1L;

@Id
@GeneratedValue(strategy = GenerationType.IDENTITY)
private Long id;

@Column(name = "lat")

private Double lat;


@Column(name = "lon")
private Double lon;

Couldn't find any documentations
Thanks in advance.