java.lang.NullPointerException is thrown when saving entity having complex embedded foreign keys with order_updates set to true (maybe same might happen with order_inserts set to true) Problems was noticed in Hibernate 6.2.3.Final with Spring Boot 3.0.0, In Hibernate 5 function worked correctly. (I am migrating my application to new Spring Boot 3.0.0) Of course you may require to implement Comparable in complex embedded id structures, but please check if it was intended requirement To reproduce problem use attached example application, execute post endpoint |