Hibernate TransientObjectException

Question

我不知道它为什么不起作用......我想，它必须能够通过@ManyToOne注释中的级联选项来完成。

如果它有用：我使用的是Spring Data和Hibernate

有什么想法吗？

@Table(name = "lizenzenDistributionstypen")
public class LizenzDistributionstypen {

@Id
@GeneratedValue(strategy = GenerationType.AUTO)
@Column(name = "id")
private Long mID;

@ManyToOne(cascade = CascadeType.ALL)
@JoinColumn(name = "lizenz", referencedColumnName = "id")
private Lizenz mLizenz;

@ManyToOne(cascade = CascadeType.ALL)
@JoinColumn(name = "distributionstyp", referencedColumnName = "id")
private Distributionstypen mDistributionstyp;

@Column(name = "status")
@NotNull
private String mStatus;

@Column(name = "ablehnungsgrund")
private String mAblehnungsgrund;

}

@Table(name = "lizenzen")
public class Lizenz {

@Id
@GeneratedValue(strategy = GenerationType.AUTO)
@Column(name = "id")
private Long mID;

@Column(name = "name")
@NotNull
private String mName;

@Column(name = "version")
private String mVersion;

@Column(name = "url")
@NotNull
private String mUrl;

@Column(name = "status")
@NotNull
private String mStatus;

这是错误：

org.hibernate.TransientObjectException: object references an unsaved transient instance - save the transient instance before flushing: licenseapp.dbtables.Lizenz

编辑：

@Table(name = "distributionstypen")
public class Distributionstypen {

@Id
@GeneratedValue(strategy = GenerationType.AUTO)
@Column(name = "id")
private Long mId;

@Column(name = "beschreibung")
@NotNull
private String mBeschreibung; }

我试图通过Lizenz的父母保存