Spring REST Service converts date-time to number-CodePudding

I have build an openapi schema in swagger with an field of type string and format: date-time. In the example window it shows me

"reportingDateTime": "2022-02-02T10:56:33.310Z"

. But when I call my service it responses

"reportingDateTime": 1639746778.200000000

I generate the spring api classes with the openapi-generator-maven-plugin version 5.1.0. The resulting response class has this field

@JsonProperty("reportingDateTime")
@org.springframework.format.annotation.DateTimeFormat(iso = org.springframework.format.annotation.DateTimeFormat.ISO.DATE_TIME)
private OffsetDateTime reportingDateTime;

What shall a change to get the correct response type?

CodePudding user response：

Jackson's default settings include formatting dates to timestamps. That's what you're seeing here.

Add the following to your application properties to turn this off:

spring.jackson.serialization.write-dates-as-timestamps=false

CodePudding user response：

I think using DateTimeFormat for json response may be wrong.

Try to read this article - https://www.baeldung.com/jackson-serialize-dates#java-8