How to properly handle empty resultset with Hibernate and Spring Boot

Question

I have a Spring app that is using Hibernate and the Spring Data JPA\'s CrudRepository. Everything seems to work properly if the data that was queried for exists in

Answer 1

None of the spring crud repository find methods throw an exception if no results are returned. They all return nulls. Since you are getting a null pointer exception on the server side you must be trying to perform an operation on the returned value without checking whether it's null first.