Choosing datatype for field in JSON response [duplicate]
You can instruct Jackson to "wrap" a single value in an array by enabling the ACCEPT_SINGLE_VALUE_AS_ARRAY feature:
Feature that determines whether it is acceptable to coerce non-array (in JSON) values to work with Java collection (arrays, java.util.Collection) types.
For example:
objectMapper.enable(DeserializationFeature.ACCEPT_SINGLE_VALUE_AS_ARRAY);Then as long as additionalServices is a collection type, deserialisation should succeed for a single-value or array.
In first JSON pass like this,
"configuration": { "additionalServices": [{ "type": "Standard DDOS IP Protection" }], }