How to enable 'ALLOW_NUMERIC_LEADING_ZEROS' feature to allow leading zeroes in JSON Request Body?

Question

As per JSON specification, I am aware that leading zeroes are not allowed in integers in JSON. But as per Jackson documentation, there is a property in Jackson library i.e.

Answer 1

Simply put following property on your application.properties file

spring.jackson.parser.allow-numeric-leading-zeros=true

You can set jackson as default converter by following property if not set default

spring.http.converters.preferred-json-mapper=jackson