Duplicate key value violates unique constraint already exists jpa. May 12, 2021 · org. At a later point some records are inserted without id and they fail with the error: Error: duplicate key value violates unique constraint. Jan 17, 2023 · The embedded one does a proper JPA select / insert & select / update. What am I missing? I have an impression that it is because of a relation defined in DayDegree entity but see no queries nor use of DayDegree entity. util. Apparently the id got defined as a sequence: Dec 17, 2021 · Caused by: org. . Thank you. PSQLException: ERROR: duplicate key value violates unique constraint "constraint_40" Detail: Key (identity_provider, user_id)=(IHS, ab7cfec9-765d-4e23-a0c9-7112ebc3660d) already exists. Aug 26, 2022 · When inserting new data, JPA uses the sequence to determine the next PK value, unfortunately, it already existed in DB This happens when the primary key sequence in the table we’re working on The 'duplicate key value violates unique constraint' error occurs when you're trying to save a relationship in a many-to-many database scenario where one of the entities already exists in the context, causing a primary key conflict. PSQLException: ERROR: duplicate key value violates unique constraint "meteo_record_pkey" Detail: Key (id)=(1681) already exists. PSQLException: ERROR: duplicate key value violates unique constraint "idx_muser_ldap_dn" Detail: Key (muser_ldap_dn)=(cn=A\, User,ou=users,dc=domain,dc=com) already exists. But for the idclass one, it does NOT do a select. Apr 19, 2021 · Caused by: org. Without that, I can't see that the object already exists, and so it simply launches into insert, causing a key constraint violation when it tries a second time. postgresql. maxef zrepl tjlbn vhu nzee mwxkdk uwa ydixkma ddhtxl rqcxku