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我正在尝试建立一个 h2 数据库进行测试。问题是当我尝试运行测试时出现错误： ids for this class must be manually assigned before calling save()即使超类具有 id。这只是一个糟糕的实体设计还是我的配置有问题？

超类：

@MappedSuperclass
@Inheritance(strategy = InheritanceType.JOINED)
public abstract class Data {
    
    @Id
    protected Long NB_ID;
    protected String FG_STATUS;
    @Column(name="FG_ETAT")
    protected String FG_ETAT;
    protected String LB_ETAT;

getters/setters

子类：

 @Entity
    @Table(name="ERESIS.ECH_HISEXPCOM")
    public class CustomerDelivery extends Data{
        
        protected String CD_COM1;
        protected Integer NO_LIGNE;
        protected String CD_MAT;
        protected Double QT_NET;

 getters/setters

我的配置：

nav.datasource.url=jdbc:h2:mem:sanders_20180813_nemanja;DB_CLOSE_DELAY=-1;DB_CLOSE_ON_EXIT=FALSE
nav.datasource.username=sa
nav.datasource.password=sa
nav.datasource.driver-class-name=org.h2.Driver
nav.datasource.max-idle=2
nav.datasource.min-idle=2
nav.datasource.initial-size=2

nav.jpa.show-sql=true
nav.jpa.hibernate.ddl-auto=create
nav.jpa.properties.hibernate.dialect=org.hibernate.dialect.PostgreSQLDialect
nav.jpa.properties.connection.CharSet=utf8
nav.jpa.properties.connection.characterEncoding=utf8
nav.jpa.properties.hibernate.connection.useUnicode=true

nut.datasource.url=jdbc:h2:mem:NUTRICIEL_SYNC;DB_CLOSE_DELAY=-1;DB_CLOSE_ON_EXIT=FALSE
nut.datasource.username=sa
nut.datasource.password=sa
nut.datasource.driver-class-name=org.h2.Driver
nut.datasource.max-idle=2
nut.datasource.min-idle=2
nut.datasource.initial-size=2
nut.datasource.testOnBorrow=true
#nut.datasource.validationQuery=SELECT 1 FROM DUAL

nut.jpa.show-sql=true
nut.jpa.hibernate.ddl-auto=create
nut.jpa.properties.hibernate.dialect=org.hibernate.dialect.Oracle10gDialect
nut.jpa.properties.connection.CharSet=utf8
nut.jpa.properties.connection.characterEncoding=utf8
nut.jpa.properties.hibernate.connection.useUnicode=true
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