hibernate could not get next sequence value

Question

i have gwt application connect to postgres DB at the backend, and a java class \'Judgement\' mapping the table \'judgements\' in DB, when i tried to persistent a judgement i

Answer 1

Please use the following query and alter your table : CREATE SEQUENCE user_id_seq START 1; ALTER TABLE product.users ALTER COLUMN user_id SET DEFAULT nextval('user_id_seq'); ALTER SEQUENCE users.user_id_seq OWNED BY users.user_id;

and use the this in your entity class

@GeneratedValue(strategy = GenerationType.SEQUENCE,generator="user_id_seq")