By default, Jackson should be configured to handle LocalDate as an array of dates. All controllers which use GSON work on "custom" not good serialization, and this converts LocalDate to array dates. So, all APIs have been working with array dates format. And when we migrate to Jacskon - we must follow this rule!
So, I have created an issue in Jira https://issues.apache.org/jira/browse/FINERACT-2261 and PR ready to review.
