All Questions
2,528
questions
0
votes
1
answer
36
views
How to force XmlMapper to retain the root element?
I have the following minimal code:
final var xmlString = "<parent><child>data</child></parent>";
final var xmlMapper = XmlMapper.xmlBuilder()
.enable(...
- 43.6k
-1
votes
1
answer
47
views
Return whole child DTO inside parentDto [closed]
I have class student and school DTO.
Class Student{
private String name;
private School school;
}
Class School{
private String schoolName;
private String address;
}
while returning ...
- 45
0
votes
1
answer
34
views
Spring @Autowired in mapped object from Jackson ObjectMapper
Is there a way to get @Autowired Objects initialized properly inside a newly created Object that came from objectMapper.readValue()?
BaseEventInfo eventInfo = objectMapper.readValue(eventJson, ...
- 379
2
votes
0
answers
90
views
Jackson fails due FAIL_ON_TRAILING_TOKENS but feature is disabled
I'm trying to migrate my Spring Boot app from 3.0 to 3.3.
I have some complex JSON sent from the frontend so the ObjectMapper is configured like this
@Bean
public Module dateSerializationModule() {
...
- 1,502
-1
votes
1
answer
123
views
jackson ObjectMapper class no longer in jackson-databind?
I am updating an existing application from Spring-boot 2.x to 3.3.0 and Jackson 2.17.1. Spring Boot pulls in Spring Framework 6.1.8.
There seems to be a class from jackson-databind that has ...
- 3,383
0
votes
1
answer
105
views
Is There A Better Way To Override The Default MappingJackson2HttpMessageConverter Used By RestClient In Springboot
I need to override the default ObjectMapper dependency (and its default configurations) of MappingJackson2HttpMessageConverter when using the RestClient class of Springboot.
Not every 3rd party API I ...
0
votes
0
answers
60
views
Why @RequestBody needs @Getter in Spring
I know about @RequestBody use deserialize concept of Jackson's ObjectMapper. Also I know Jackson ObjectMapper use Reflection.
Now the problem here is that reflection can set a private field, so I don'...
- 41
0
votes
3
answers
135
views
How to easily serialize and deserialize maps with null keys with Jackson
I'm using Spring Boot with the autoconfigured objectMapper.
Suppose I need to serialize and deserialize various HashMaps whose keys can be null. AFAIK this is not supported by default. So, how to do ...
- 6,223
0
votes
2
answers
246
views
Do we need to serialize and Deserialize JSON object Manually in spring boot?
I am a new Java developer and working on an ERP Project. I went through the codebase of my project and found some interesting and pretty complex coding structure.
The entire application was developed ...
0
votes
1
answer
60
views
Jackson parsing issue
In my spring applicaiton, I have Rest api, when I call it using postman
and sending this json
{
"incomeValue":"Test\\t"
}
It gives
Caused by: com.fasterxml.jackson.core....
- 349
1
vote
1
answer
77
views
Writing all null string values as empty string in Spring app RestController responses
I have a Spring app that has a react front end. The front end wants null string values to be represented as "" instead of null. Is there a way to do this without having to annotate every ...
- 26.5k
0
votes
0
answers
44
views
Jackson - Don't allow field in JSON response
I have a Spring MVC app with DTO/Entity representations of a User. Users can be created through an API. The password is hashed and saved in a database. We do NOT want to include the hashed password in ...
- 45
0
votes
0
answers
32
views
Modify ObjectMapper by Adding New Deserializer
I have a deserialiser:
public class TrimStringDeserializer extends JsonDeserializer<String> implements ContextualDeserializer {
@Override
public JsonDeserializer<String> ...
- 508
0
votes
1
answer
234
views
Why Jackson needs a default constructor?
I am using Java Spring Boot for my project and I have the following controller:
@AllArgsConstructor
@RestController
@RequestMapping("/api/subject")
public class SubjectController {
...
0
votes
1
answer
57
views
Disable DeserializationFeature.FAIL_ON_NULL_CREATOR_PROPERTIES for an endpoint
I am adding an endpoint to an app, which receives a json and in spring this is automatically converted to a DTO I created. Many fields can be null, which I set in Kotlin with question mark and it is ...
