How to insert new items with Hibernate?

Question

I have an entity class called Task which is mapped in hibernate.

I\'m able to fetch existing items belonging to this class correctly, so I don\'t think

Answer 1

I accidentally removed hibernate_sequence table in my db. Change:

spring.jpa.hibernate.ddl-auto=none

to

spring.jpa.hibernate.ddl-auto=create

In your application.properties file so Hibernate could recreate this table by himself