com.fasterxml.jackson.databind.exc.MismatchedInputException: Cannot deserialize instance of `java.util.ArrayList` out of START_OBJECT token
问题 How to read below JSON using Jackson ObjectMapper ? I have developed code but getting below error. com.fasterxml.jackson.databind.exc.MismatchedInputException: Cannot deserialize instance of `java.util.ArrayList` out of START_OBJECT token at [Source: (File); line: 7, column: 19] (through reference chain: com.example.demo.resources.Orgnization["secondaryIds"]) JSON { "id": "100000", "name": "ABC", "keyAccount": false, "phone": "1111111", "phoneExtn": "11", "secondaryIds": { "ROP": [ "700010015