JSON parse error: Cannot deserialize value of type `java.time.LocalDate`

Question

Im trying to send a post to my api using postman:

But its returning an error:

Resolved [org.springframework.http.converter.HttpMessageNotReadableException: JSON parse error: Cannot deserialize value of type java.time.LocalDate from String "10/11/2022": Failed to deserialize java.time.LocalDate: (java.time.format.DateTimeParseException) Text '10/11/2022' could not be parsed at index 0;

I tried to correct do the mapping with json mapping annotation in the dto class:

@Data
@Builder
public class OfertaEspecialDTO {

    private String nome;
    private final double desconto_percentual;
    private String descricao;
    @JsonFormat(pattern = "dd/MM/yyyy", shape = JsonFormat.Shape.STRING)
    private LocalDate dataValidade;
}

But its still returning me the error.

How is the correct way to map my dateTime instance variable?

Did you check this question: stackoverflow.com/questions/28802544/…? — AidH
– AidH, Commented Nov 4, 2022 at 11:36
Check for ObjectMapper with DateTime option, i don't remember exactly but it is related to that, i faced this long back — Swaraj
– Swaraj, Commented Nov 4, 2022 at 16:25

Rohit Agarwal · Accepted Answer · 2022-11-04 16:18:36Z

1

There is no issue with LocalDate instance variable mapping. Issue is with annotations used on top of class. Please refactor DTO class like this and try again.

@Setter
@Getter
public class OfertaEspecialDTO {
    private String nome;
    private double desconto_percentual;
    private String descricao;
    @JsonFormat(pattern = "dd/MM/yyyy", shape = JsonFormat.Shape.STRING)
    private LocalDate dataValidade;
}

or like this

@Data
public class OfertaEspecialDTO {
    private String nome;
    private double desconto_percentual;
    private String descricao;
    @JsonFormat(pattern = "dd/MM/yyyy", shape = JsonFormat.Shape.STRING)
    private LocalDate dataValidade;
}

edited Nov 4, 2022 at 16:18

answered Nov 4, 2022 at 16:13

Rohit Agarwal

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3 Comments

Rômulo Sorato Over a year ago

Removing the @Builder annotation returns me the following error: "message": "JSON parse error: Cannot construct instance of com.launchersoft.vouchersapi.dto.OfertaEspecialDTO (although at least one Creator exists): cannot deserialize from Object value (no delegate- or property-based Creator); nested exception is com.fasterxml.jackson.databind.exc.MismatchedInputException: Cannot construct instance of com.launchersoft.vouchersapi.dto.OfertaEspecialDTO (although at least one Creator exists): cannot deserialize from Object value (no

Rohit Agarwal Over a year ago

Yes you need to remove final keyword from desconto_percentual variable. Then this error will be gone. Please check my solution I am not using final keyword

Rohit Agarwal Over a year ago

If my solution helps then request you to please accept the answer so that it help others as well.

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