Issue Parsing Custom(?) Date

[Richi Plana]

I used swagger-codegen to generate the stubs using the Feign library and internally it uses Jackson. I'm having an issue parsing a date; getting the following error:

Exception in thread "main" feign.FeignException: Cannot deserialize value of type `java.time.OffsetDateTime` from String "2019-05-10T14:14:00": Failed to deserialize java.time.OffsetDateTime: (java.time.format.DateTimeParseException) Text '2019-05-10T14:14:00' could not be parsed at index 19
 at [Source: (BufferedReader); line: 1, column: 113] (through reference chain: java.util.ArrayList[0]->aodc.v2client.model.MarketResponse["sell_price_min_date"]) reading GET https://www.albion-online-data.com/api/v2/stats/Prices/T1_FARM_CARROT_SEED%2CT3_FARM_OX_BABY
    at feign.FeignException.errorReading(FeignException.java:49)
    at feign.SynchronousMethodHandler.executeAndDecode(SynchronousMethodHandler.java:144)
    at feign.SynchronousMethodHandler.invoke(SynchronousMethodHandler.java:76)
    at feign.ReflectiveFeign$FeignInvocationHandler.invoke(ReflectiveFeign.java:103)
    at com.sun.proxy.$Proxy5.apiV2StatsPricesByItemListGet(Unknown Source)
    at aodc.v2client.TestApplication.main(TestApplication.java:98)
Caused by: com.fasterxml.jackson.databind.exc.InvalidFormatException: Cannot deserialize value of type `java.time.OffsetDateTime` from String "2019-05-10T14:14:00": Failed to deserialize java.time.OffsetDateTime: (java.time.format.DateTimeParseException) Text '2019-05-10T14:14:00' could not be parsed at index 19
 at [Source: (BufferedReader); line: 1, column: 113] (through reference chain: java.util.ArrayList[0]->aodc.v2client.model.MarketResponse["sell_price_min_date"])
    at com.fasterxml.jackson.databind.exc.InvalidFormatException.from(InvalidFormatException.java:67)
    at com.fasterxml.jackson.databind.DeserializationContext.weirdStringException(DeserializationContext.java:1549)
    at com.fasterxml.jackson.databind.DeserializationContext.handleWeirdStringValue(DeserializationContext.java:911)
    at com.fasterxml.jackson.datatype.jsr310.deser.JSR310DeserializerBase._handleDateTimeException(JSR310DeserializerBase.java:80)
    at com.fasterxml.jackson.datatype.jsr310.deser.InstantDeserializer.deserialize(InstantDeserializer.java:212)
    at com.fasterxml.jackson.datatype.jsr310.deser.InstantDeserializer.deserialize(InstantDeserializer.java:50)
    at com.fasterxml.jackson.databind.deser.impl.MethodProperty.deserializeAndSet(MethodProperty.java:127)
    at com.fasterxml.jackson.databind.deser.BeanDeserializer.vanillaDeserialize(BeanDeserializer.java:288)
    at com.fasterxml.jackson.databind.deser.BeanDeserializer.deserialize(BeanDeserializer.java:151)
    at com.fasterxml.jackson.databind.deser.std.CollectionDeserializer.deserialize(CollectionDeserializer.java:286)
    at com.fasterxml.jackson.databind.deser.std.CollectionDeserializer.deserialize(CollectionDeserializer.java:245)
    at com.fasterxml.jackson.databind.deser.std.CollectionDeserializer.deserialize(CollectionDeserializer.java:27)
    at com.fasterxml.jackson.databind.ObjectMapper._readMapAndClose(ObjectMapper.java:4013)
    at com.fasterxml.jackson.databind.ObjectMapper.readValue(ObjectMapper.java:3063)
    at feign.jackson.JacksonDecoder.decode(JacksonDecoder.java:65)
    at feign.SynchronousMethodHandler.decode(SynchronousMethodHandler.java:165)
    at feign.SynchronousMethodHandler.executeAndDecode(SynchronousMethodHandler.java:133)
    ... 4 more
Caused by: java.time.format.DateTimeParseException: Text '2019-05-10T14:14:00' could not be parsed at index 19
    at java.time.format.DateTimeFormatter.parseResolved0(DateTimeFormatter.java:1949)
    at java.time.format.DateTimeFormatter.parse(DateTimeFormatter.java:1777)
    at com.fasterxml.jackson.datatype.jsr310.deser.InstantDeserializer.deserialize(InstantDeserializer.java:206)
    ... 16 more

Assuming that OffsetDateTime is the correct container type to parse it into, could I get some help trying the parse that date string?

[Tatu Saloranta]

Could you file an issue for Java 8 module (since it's Java 8 date/time type) at:

https://github.com/FasterXML/jackson-modules-java8/issues

From quick I think that input value is missing the
timezone/time-offset designation, making it invalid representation.
But exception is not particularly useful; it'd probably be nice to
catch underlying exception and indicate effect format expected.

-+ Tatu +-

[Richi Plana]

Unfortunately, if it is an invalid JSR310 date, that's not up for discussion. The format is what it is. I just need to somehow get the parser to convert it it some kind of timestamp object given the obvious format. If an OffsetDateTime is an invalid type for a timestamp without a timezone, I can change that much. The service is set in stone.

[Tatu Saloranta]

On Sat, May 11, 2019 at 10:41 PM Richi Plana <ric...@gmail.com> wrote:
>
> Unfortunately, if it is an invalid JSR310 date, that's not up for discussion. The format is what it is. I just need to somehow get the parser to convert it it some kind of timestamp object given the obvious format. If an OffsetDateTime is an invalid type for a timestamp without a timezone, I can change that much. The service is set in stone.

I think this would probably be more of a LocalDateTime, then, which is
logical time without timezone.

-+ Tatu +-

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