JacksonMapper Date deserialization with UTC time zone fails with given format

I know there are many duplicate questions about the same issue, however, I wasn't able to deserialize given date format into java.util.Date object. The client api I am using returns date fields with 6 digit combined with milliseconds and nanoseconds.

2016-12-08T20:09:05.508883Z

2016-12-08T20:09:05.527Z

Sometimes it includes nano seconds sometimes not. I tried to follow deserialization examples from jackson-databind library itself however couldn't found a workaround. Say this is the example json blob

{

    "id": "68e6a28f-ae28-4788-8d4f-5ab4e5e5ae08",

    "created_at": "2016-12-08T20:09:05.508883Z",

    "done_at": "2016-12-08T20:09:05.527Z"

}

Entity.java

@Data

@JsonIgnoreProperties(ignoreUnknown = true)

public class OrderResponse {

    private String id;



    @JsonProperty("created_at")

    @JsonFormat(shape = JsonFormat.Shape.STRING, pattern = "yyyy-MM-dd'T'HH:mm:ss'*'", timezone = "UTC")

    private Date createdAt;



    @JsonProperty("done_at")

    @JsonFormat(shape = JsonFormat.Shape.STRING, pattern = "yyyy-MM-dd'T'HH:mm:ss'*'", timezone = "UTC")

    private Date doneAt;

}

If I only use format yyyy-MM-dd'T'HH:mm:ss jackson mapper deserializes with timezone coming from jvm itself. But I need to use UTC format and I tried also implementing custom deserializer and serializer which doesn't work as well. My question is java.util.Date correct object type? Additionally, I also tried to create my own object mapper with registering new JavaTimeModule() but it didn't work.

Thanks for help.

asked Nov 19 '18 at 22:14

quartaela

1,02283265

...Your problem mostly stems from the fact that you're using java.util.Date, which should be put out of its misery. Are you able to switch to a more appropriate type, like java.time.Instant (although this will require loading an additional jackson module for best support)?

– Clockwork-Muse
Nov 19 '18 at 22:29

@Clockwork-Muse yeah I can move from Date to Instant however I wasn't able to parse given format to Instant as well.

– quartaela
Nov 19 '18 at 22:31

add a comment |

2016-12-08T20:09:05.508883Z

2016-12-08T20:09:05.527Z

{

    "id": "68e6a28f-ae28-4788-8d4f-5ab4e5e5ae08",

    "created_at": "2016-12-08T20:09:05.508883Z",

    "done_at": "2016-12-08T20:09:05.527Z"

}

Entity.java

@Data

@JsonIgnoreProperties(ignoreUnknown = true)

public class OrderResponse {

    private String id;



    @JsonProperty("created_at")

    @JsonFormat(shape = JsonFormat.Shape.STRING, pattern = "yyyy-MM-dd'T'HH:mm:ss'*'", timezone = "UTC")

    private Date createdAt;



    @JsonProperty("done_at")

    @JsonFormat(shape = JsonFormat.Shape.STRING, pattern = "yyyy-MM-dd'T'HH:mm:ss'*'", timezone = "UTC")

    private Date doneAt;

}

Thanks for help.

asked Nov 19 '18 at 22:14

quartaela

1,02283265

...Your problem mostly stems from the fact that you're using java.util.Date, which should be put out of its misery. Are you able to switch to a more appropriate type, like java.time.Instant (although this will require loading an additional jackson module for best support)?

– Clockwork-Muse
Nov 19 '18 at 22:29

@Clockwork-Muse yeah I can move from Date to Instant however I wasn't able to parse given format to Instant as well.

– quartaela
Nov 19 '18 at 22:31

add a comment |

2016-12-08T20:09:05.508883Z

2016-12-08T20:09:05.527Z

{

    "id": "68e6a28f-ae28-4788-8d4f-5ab4e5e5ae08",

    "created_at": "2016-12-08T20:09:05.508883Z",

    "done_at": "2016-12-08T20:09:05.527Z"

}

Entity.java

@Data

@JsonIgnoreProperties(ignoreUnknown = true)

public class OrderResponse {

    private String id;



    @JsonProperty("created_at")

    @JsonFormat(shape = JsonFormat.Shape.STRING, pattern = "yyyy-MM-dd'T'HH:mm:ss'*'", timezone = "UTC")

    private Date createdAt;



    @JsonProperty("done_at")

    @JsonFormat(shape = JsonFormat.Shape.STRING, pattern = "yyyy-MM-dd'T'HH:mm:ss'*'", timezone = "UTC")

    private Date doneAt;

}

Thanks for help.

asked Nov 19 '18 at 22:14

quartaela

1,02283265

2016-12-08T20:09:05.508883Z

2016-12-08T20:09:05.527Z

{

    "id": "68e6a28f-ae28-4788-8d4f-5ab4e5e5ae08",

    "created_at": "2016-12-08T20:09:05.508883Z",

    "done_at": "2016-12-08T20:09:05.527Z"

}

Entity.java

@Data

@JsonIgnoreProperties(ignoreUnknown = true)

public class OrderResponse {

    private String id;



    @JsonProperty("created_at")

    @JsonFormat(shape = JsonFormat.Shape.STRING, pattern = "yyyy-MM-dd'T'HH:mm:ss'*'", timezone = "UTC")

    private Date createdAt;



    @JsonProperty("done_at")

    @JsonFormat(shape = JsonFormat.Shape.STRING, pattern = "yyyy-MM-dd'T'HH:mm:ss'*'", timezone = "UTC")

    private Date doneAt;

}

Thanks for help.

java jackson fasterxml java-date

asked Nov 19 '18 at 22:14

quartaela

1,02283265

asked Nov 19 '18 at 22:14

quartaela

1,02283265

asked Nov 19 '18 at 22:14

quartaela

1,02283265

asked Nov 19 '18 at 22:14

quartaela

1,02283265

asked Nov 19 '18 at 22:14

quartaela

1,02283265

...Your problem mostly stems from the fact that you're using java.util.Date, which should be put out of its misery. Are you able to switch to a more appropriate type, like java.time.Instant (although this will require loading an additional jackson module for best support)?

– Clockwork-Muse
Nov 19 '18 at 22:29

@Clockwork-Muse yeah I can move from Date to Instant however I wasn't able to parse given format to Instant as well.

– quartaela
Nov 19 '18 at 22:31

add a comment |

...Your problem mostly stems from the fact that you're using java.util.Date, which should be put out of its misery. Are you able to switch to a more appropriate type, like java.time.Instant (although this will require loading an additional jackson module for best support)?

– Clockwork-Muse
Nov 19 '18 at 22:29

@Clockwork-Muse yeah I can move from Date to Instant however I wasn't able to parse given format to Instant as well.

– quartaela
Nov 19 '18 at 22:31

...Your problem mostly stems from the fact that you're using java.util.Date, which should be put out of its misery. Are you able to switch to a more appropriate type, like java.time.Instant (although this will require loading an additional jackson module for best support)?

– Clockwork-Muse
Nov 19 '18 at 22:29

@Clockwork-Muse yeah I can move from Date to Instant however I wasn't able to parse given format to Instant as well.

– quartaela
Nov 19 '18 at 22:31

add a comment |

2 Answers
2

active

oldest

votes

I found that java.time.format.DateTimeFormatter has ISO_INSTANT format type which supports the format I was looking for.

https://docs.oracle.com/javase/8/docs/api/java/time/format/DateTimeFormatter.html#ISO_INSTANT

Basically, I wrote my custom deserializer

public class CustomInstantDeserializer extends JsonDeserializer<Instant> {



    private DateTimeFormatter fmt = DateTimeFormatter.ISO_INSTANT.withZone(ZoneOffset.UTC);



    @Override

    public Instant deserialize(JsonParser p, DeserializationContext ctxt) throws IOException {

        return Instant.from(fmt.parse(p.getText()));

    }

}

with @JsonDeserialize annotation on related field.

@JsonProperty("created_at")

@JsonDeserialize(using = CustomInstantDeserializer.class)

private Instant createdAt;

answered Nov 19 '18 at 23:10

quartaela

1,02283265

add a comment |

try to use @JsonSetter:

@JsonSetter("createdAt")

public Date setCreatedAt(String date){

    SimpleDateFormat sdfDate = new SimpleDateFormat("dd-MM-yyyy HH:mm:ss");

    sdfDate.setTimeZone(TimeZone.getTimeZone("UTC"));

    return sdfDate.parse(date);

}

doneAt should be similar

edited Nov 20 '18 at 9:14

answered Nov 19 '18 at 22:28

stacker

1,10925

hey @slimane thanks for the response, however, I am getting java.text.ParseException: Unparseable date: exception.

– quartaela
Nov 19 '18 at 22:48

add a comment |

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2 Answers
2

active

oldest

votes

2 Answers
2

active

oldest

votes

I found that java.time.format.DateTimeFormatter has ISO_INSTANT format type which supports the format I was looking for.

https://docs.oracle.com/javase/8/docs/api/java/time/format/DateTimeFormatter.html#ISO_INSTANT

Basically, I wrote my custom deserializer

public class CustomInstantDeserializer extends JsonDeserializer<Instant> {



    private DateTimeFormatter fmt = DateTimeFormatter.ISO_INSTANT.withZone(ZoneOffset.UTC);



    @Override

    public Instant deserialize(JsonParser p, DeserializationContext ctxt) throws IOException {

        return Instant.from(fmt.parse(p.getText()));

    }

}

with @JsonDeserialize annotation on related field.

@JsonProperty("created_at")

@JsonDeserialize(using = CustomInstantDeserializer.class)

private Instant createdAt;

answered Nov 19 '18 at 23:10

quartaela

1,02283265

add a comment |

I found that java.time.format.DateTimeFormatter has ISO_INSTANT format type which supports the format I was looking for.

https://docs.oracle.com/javase/8/docs/api/java/time/format/DateTimeFormatter.html#ISO_INSTANT

Basically, I wrote my custom deserializer

public class CustomInstantDeserializer extends JsonDeserializer<Instant> {



    private DateTimeFormatter fmt = DateTimeFormatter.ISO_INSTANT.withZone(ZoneOffset.UTC);



    @Override

    public Instant deserialize(JsonParser p, DeserializationContext ctxt) throws IOException {

        return Instant.from(fmt.parse(p.getText()));

    }

}

with @JsonDeserialize annotation on related field.

@JsonProperty("created_at")

@JsonDeserialize(using = CustomInstantDeserializer.class)

private Instant createdAt;

answered Nov 19 '18 at 23:10

quartaela

1,02283265

add a comment |

I found that java.time.format.DateTimeFormatter has ISO_INSTANT format type which supports the format I was looking for.

https://docs.oracle.com/javase/8/docs/api/java/time/format/DateTimeFormatter.html#ISO_INSTANT

Basically, I wrote my custom deserializer

public class CustomInstantDeserializer extends JsonDeserializer<Instant> {



    private DateTimeFormatter fmt = DateTimeFormatter.ISO_INSTANT.withZone(ZoneOffset.UTC);



    @Override

    public Instant deserialize(JsonParser p, DeserializationContext ctxt) throws IOException {

        return Instant.from(fmt.parse(p.getText()));

    }

}

with @JsonDeserialize annotation on related field.

@JsonProperty("created_at")

@JsonDeserialize(using = CustomInstantDeserializer.class)

private Instant createdAt;

answered Nov 19 '18 at 23:10

quartaela

1,02283265

I found that java.time.format.DateTimeFormatter has ISO_INSTANT format type which supports the format I was looking for.

https://docs.oracle.com/javase/8/docs/api/java/time/format/DateTimeFormatter.html#ISO_INSTANT

Basically, I wrote my custom deserializer

public class CustomInstantDeserializer extends JsonDeserializer<Instant> {



    private DateTimeFormatter fmt = DateTimeFormatter.ISO_INSTANT.withZone(ZoneOffset.UTC);



    @Override

    public Instant deserialize(JsonParser p, DeserializationContext ctxt) throws IOException {

        return Instant.from(fmt.parse(p.getText()));

    }

}

with @JsonDeserialize annotation on related field.

@JsonProperty("created_at")

@JsonDeserialize(using = CustomInstantDeserializer.class)

private Instant createdAt;

answered Nov 19 '18 at 23:10

quartaela

1,02283265

answered Nov 19 '18 at 23:10

quartaela

1,02283265

answered Nov 19 '18 at 23:10

quartaela

1,02283265

answered Nov 19 '18 at 23:10

quartaela

1,02283265

add a comment |

try to use @JsonSetter:

@JsonSetter("createdAt")

public Date setCreatedAt(String date){

    SimpleDateFormat sdfDate = new SimpleDateFormat("dd-MM-yyyy HH:mm:ss");

    sdfDate.setTimeZone(TimeZone.getTimeZone("UTC"));

    return sdfDate.parse(date);

}

doneAt should be similar

edited Nov 20 '18 at 9:14

answered Nov 19 '18 at 22:28

stacker

1,10925

hey @slimane thanks for the response, however, I am getting java.text.ParseException: Unparseable date: exception.

– quartaela
Nov 19 '18 at 22:48

add a comment |

try to use @JsonSetter:

@JsonSetter("createdAt")

public Date setCreatedAt(String date){

    SimpleDateFormat sdfDate = new SimpleDateFormat("dd-MM-yyyy HH:mm:ss");

    sdfDate.setTimeZone(TimeZone.getTimeZone("UTC"));

    return sdfDate.parse(date);

}

doneAt should be similar

edited Nov 20 '18 at 9:14

answered Nov 19 '18 at 22:28

stacker

1,10925

hey @slimane thanks for the response, however, I am getting java.text.ParseException: Unparseable date: exception.

– quartaela
Nov 19 '18 at 22:48

add a comment |

try to use @JsonSetter:

@JsonSetter("createdAt")

public Date setCreatedAt(String date){

    SimpleDateFormat sdfDate = new SimpleDateFormat("dd-MM-yyyy HH:mm:ss");

    sdfDate.setTimeZone(TimeZone.getTimeZone("UTC"));

    return sdfDate.parse(date);

}

doneAt should be similar

edited Nov 20 '18 at 9:14

answered Nov 19 '18 at 22:28

stacker

1,10925

try to use @JsonSetter:

@JsonSetter("createdAt")

public Date setCreatedAt(String date){

    SimpleDateFormat sdfDate = new SimpleDateFormat("dd-MM-yyyy HH:mm:ss");

    sdfDate.setTimeZone(TimeZone.getTimeZone("UTC"));

    return sdfDate.parse(date);

}

doneAt should be similar

edited Nov 20 '18 at 9:14

answered Nov 19 '18 at 22:28

stacker

1,10925

edited Nov 20 '18 at 9:14

answered Nov 19 '18 at 22:28

stacker

1,10925

answered Nov 19 '18 at 22:28

stacker

1,10925

answered Nov 19 '18 at 22:28

stacker

1,10925

hey @slimane thanks for the response, however, I am getting java.text.ParseException: Unparseable date: exception.

– quartaela
Nov 19 '18 at 22:48

add a comment |

hey @slimane thanks for the response, however, I am getting java.text.ParseException: Unparseable date: exception.

– quartaela
Nov 19 '18 at 22:48

hey @slimane thanks for the response, however, I am getting java.text.ParseException: Unparseable date: exception.

– quartaela
Nov 19 '18 at 22:48

add a comment |

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