All Questions
4,474
questions
0
votes
0
answers
41
views
How can I resolve [org.springframework.web.HttpMediaTypeNotAcceptableException: No acceptable representation] error?
I have created a REST API for user registration using Spring Boot in which I for response I'm using GenericResponse class along with ResponseEntity to manipulate the response but I'm facing
[org....
- 19
1
vote
2
answers
62
views
Looping problem when serializing objects to JSON in Spring Boot
I'm using Spring Boot 3.2 version with MySQL database. I have two objects
@Getter
@Setter
@Entity
@Table(name = "shops")
public class Shop{
@Id
@GeneratedValue(strategy = ...
- 75
0
votes
1
answer
78
views
Object Mapper readValue function returns Null in Spring Boot 3
Below is my response POJO Class
@Getter
@Setter
@Builder
@AllArgsConstructor
@NoArgsConstructor
public class ProductResponse {
boolean required;
ProductModel model;
}
Below is my code where I'...
- 2,654
1
vote
2
answers
35
views
JPA Repository search by field input from the user form
I have a form in Angular which looks like so
The user can input only the field he wants and I send the form to Spring Rest API like so
{
"symbol": "DOL",
"currency&...
- 457
0
votes
0
answers
59
views
How to create and return a nested object in Java Spring Boot?
I'm working on a Spring Boot application and I'm facing an issue with handling nested objects within an entity.
I have an entity called TopicEntity, which has a field topicContent defined as a Map<...
0
votes
0
answers
17
views
Can I make an endpoint that returns both thymeleaf template and JSON object?
I was wondering if I could combine my html template String and a json inside an endpoint, so I can have an endpoint that returns the web template for my app and I can also visualize in Postman the ...
- 3
-1
votes
1
answer
68
views
I sent a post request, but I keep getting a null value
i send this data
i send this data
but it always get null
but it always get null
I want to comment on each movie
I don't know where the problem is
CommentController
It's the part where you get it ...
- 11
0
votes
1
answer
42
views
Deserializing a JSON object that doesn't work if there are uppercase letters
I have that class
package com.akensys.testlucas.model;
import jakarta.persistence.Entity;
import jakarta.persistence.GeneratedValue;
import jakarta.persistence.GenerationType;
import jakarta....
-1
votes
2
answers
39
views
Searching JSON data for strings and returning a subset as JSON
I am working on a Java Spring Boot application. I have a JSON in the following format. I need to search for a string and return the results in the same JSON format containing only the matching ...
- 25
1
vote
0
answers
44
views
Springboot using Gson serialization and @Since/@Until annotations
I have a springboot application (REST API), and I've configured GSON to be my default serializer/deserializer instead of Jackson. I already have versioned models, using @Since and @Until annotations, ...
0
votes
0
answers
24
views
Could not write JSON: Could not instantiate entity
I'm using this CompositeKey for my Bills class:
@NoArgsConstructor
@AllArgsConstructor
@Data
public class BillsKey implements Serializable {
private Suppliers supplier;
private int id;
and this is ...
user21749778
3
votes
1
answer
47
views
How to censor custom annotated fields in java dtos?
I need a handy way to censore DTO fields/secrets when converting them into a json string (for logging).
Im using objectmapper and I heard about @JsonProperty(access = JsonProperty.Access.WRITE_ONLY) ...
- 53
0
votes
1
answer
100
views
Does deserialize method(mapper.readValue) allocate direct buffer memory instead of heap memory?
I would like to ask you something about ObjectMapper.readvalue().
ObjectMapper mapper = new ObjectMapper();
List<ConvertType> responseList = new ArrayList<>();
for (ExampleContent content ...
- 1
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
36
views
Find the json field dynamically when user send the field path?
I'm currently working on a spring boot application where I have find a way to meet the following requirement
When user send a path to a field of a json I have to find that that field on the json and ...
- 11