H2 DB Error executing DDL create table "CommandAcceptanceException" This is a command error in the Java Persistence API(JPA). It is caused when entities have clashing names with the already existing words in H2 DB. So let's consider creating an entity @Entity(name = "FastCars_tbl") @Getter @Setter @AllArgsConstructor @NoArgsConstructor @Builder public class FasCars { @Id @GeneratedValue(stra..