JsonMappingException: could not initialize proxy - no Session

Question

I am building a RESTful Web Service that consumes and returns JSON. I am encountering the following stack trace when I try to fetch an ESRBRating object from the database th

Answer 1

Solved for Spring Boot 2.3.0 by adding to gradle.build:

implementation 'com.fasterxml.jackson.datatype:jackson-datatype-hibernate5:2.11.3'

And declaring one more bean:

@Bean
public Module datatypeHibernateModule() {
    return new Hibernate5Module();
}