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Tag: json

JsonMappingException when reading the response from RestTemplate

Seeing the exception when I call the GET method in RestTemplate com.fasterxml.jackson.databind.JsonMappingException: N/A at [Source: (StringReader); line: 1, column: 13700] (through reference chain:[“issues”]->java.util.ArrayList[0]->[“fields”]) the sample java code is java classses are and the Issue class definition is How do I fix this JsonMappingException? Answer You are trying to serialize the result of a method that returns void. Also, I

How to write common pojo deserializer for json attribute which can be an object and an array both?

Background: I am getting mismatchedInputException, when parsing json. com.fasterxml.jackson.databind.exc.MismatchedInputException: Cannot deserialize value of type java.util.ArrayList<Data> from Object value (token JsonToken.START_OBJECT) Problem: nodes is a json-array which contains data, which can be either json-object or json-array . I need to represent this correctly in POJO. Things Tried: Map<String, Object>, List, ,@JsonDeserialize(using = NodeDeserializer.class) Below is my nested json document for ref.

Jackson serializing: Get list of processed objects

For a special case, I need to know which “source objects” of the object tree Jackson processed during serialization. I think there is some internal list, because Jackson might reuse already serialized objects if they are referenced multiple times in the object tree. Can I get this list? Or is it possible to build my own list by an event

How to access json array in url that needs bearer token and display in android studio?

Hello stackoverflow community!! How do I access a JSON array in this URL “” token is “2oof0bzpgllll2a8k2fmmh6aaykeu8yptztdzke7” but when I display the data in an Activity, it just displays blank and exits the app. But When I change the URL without an auth/bearer token I can see the displayed data in the URL. So my question: is how do I

Nested JSON in JSON

How can I form JSON like that: I tried creating models with one-to-one, many-to-one relationships. Controller: But I got I read about creating nodes, but didn’t understand, how integrate it with spring data. What i need to nest table Comments in table Tutorials? Answer Looks to me as if you are pretty close to the desired outcome. First of all