I’m using jackson-databind version 2.12.3 to serialize the return of an object that should return like this: My classes are these: The return is myObject: However with the default ObjectMapper the “link.setField” is ignored and the returned json is: I tried doing some tests with JsonSerializer but couldn’t do something generic for all classes that extend HashMap (these classes are
Tag: fasterxml
@JsonProperty not working after springboot upgrade
I recently upgraded my application from Spring Boot 1.5.3 to Spring Boot 2.3.5. One of the feature on UI started breaking and I found while debugging that the json response to UI had changed Original response: New response: having underscores (_) in attribute names It seems that the @JsonProperty is not working. My classes are as below: I tried @JsonCreator(mode
Why does jackson convert byte array to base64 string on converting to json?
When I have a byte array in a DTO and convert it to json using jackson’s ObjectMapper, it automatically converts the byte array into base64 string. Example below. I expected jackson to convert it to an array of integers like the following: But instead, I found it to be converted to base64 string. After researching a bit, It seems json
Java convert to a list of objects from JSON
I am using Java 7. I also use com.fasterxml.jackson.databind.objectmapper to convert json to a Java object. When I initially convert the the Java object to JSON, I do the following: List<QuoteDTO&…
Java: FasterXML / jackson deserialize array without keys
Is there a way how to deserialize JSON array into following Java class using FasterXML jackson-databind? I only found answers where there are key: value items in the array. Answer Firstly {[“a”, “b”, 1]} is not a Valid Json Array (or JSON) …. JSON Array would look like this [“a”, “b”, 1] Also you could deserialize the Json Array into