com.fasterxml.jackson.databind.exc.MismatchedInputException: Cannot deserialize value of type 'java.util.ArrayList' 오류 해결

오류명

com.fasterxml.jackson.databind.exc.MismatchedInputException: Cannot deserialize value of type 'java.util.ArrayList'

 

해결방법

ObjectMapper objectMapper = new ObjectMapper();
objectMapper.enable(DeserializationFeature.ACCEPT_SINGLE_VALUE_AS_ARRAY);  // list deserialization 기능 활성화
List<Order> orders = objectMapper.readValue(responseStr, new TypeReference<List<Order>>(){});