I have an issue where my RestTemplate.postForEntity(url, restRequest, RepoResponse.class)
call is failing because it can't deserialise dates of the form:
- 2019-02-01T12:00:00.000-0500
because of the missing colon in the timezone.
Based on this answer, it looks like I want to change the date formatting of my RestTemplate
's ObjectMapper
.
I've tried a solution here: https://stackoverflow.com/a/38286322/14250
Which gives me the following code:
restTemplate = new RestTemplate();
ObjectMapper objectMapper = new ObjectMapper();
SimpleDateFormat format = new SimpleDateFormat("yyyy-MM-dd'T'HH:mm:ss.SSS[XXX][X]");
objectMapper.setDateFormat(format);
MappingJackson2HttpMessageConverter messageConverter = new MappingJackson2HttpMessageConverter();
messageConverter.setPrettyPrint(false);
messageConverter.setObjectMapper(objectMapper);
restTemplate.getMessageConverters().removeIf(m->m.getClass().getName().equals(MappingJackson2HttpMessageConverter.class.getName()));
restTemplate.getMessageConverters().add(messageConverter);
Unfortunately I get the following error
com.fasterxml.jackson.databind.exc.InvalidDefinitionException: Cannot construct instance of `java.time.OffsetDateTime` (no Creators, like default construct, exist): no String-argument constructor/factory method to deserialize from String value ('2019-02-13T12:33:19.179-0500')
Is there an easy way to make RestTemplate support the above datetime format?
When you are working with
java.time.*
classes andJackson
is good to start from registeringJavaTimeModule
which comes from jackson-datatype-jsr310 module.Above code prints: