Elasticsearch Java API Client throwing error for empty fields

Elastic Stack Elasticsearch
1

Hi, we changed our elasticsearch from RestHighLevelClient to ElasticsearchClient, our document can have empty values, but in new Elasticsearch Java API Client it is throwing error saying:
org.springframework.data.elasticsearch.core.convert.ConversionException: Unable to convert value '' to java.time.LocalDate for property 'dataSconfino'

I tried to add @JsonInclude(JsonInclude.Include.NON_EMPTY) but it didn't help,

how we can set some fields as optional, so that they can be also empty in elasticsearch java api client?

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