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我有簡單的休眠實體無法初始化代理 - 上的getValue從Java對象沒有會話
@Entity
@Table(name = "SomeTable")
public class SomeEntity{
@GeneratedValue(generator = "uuid2")
@GenericGenerator(name = "uuid2", strategy = "uuid2")
@Column(name = "sme_entity_ID", unique = true, columnDefinition = "BINARY(16)")
@Id
@Getter @Setter private UUID entityId;
@Column(name="some_field_name")
@Getter @Setter private String someFiled;
和方法庫實現
@Override
@Transactional
public SomeEntity getSomeEntity(UUID someEntityId) {
return (SomeEntity) getSession().load(SomeEntity.class, someEntityId);
}
當在DB沒有實體,我想拋出服務異常。當我送請求來獲取不存在的實體,它返回com.sun.jdi.InvocationException occurred invoking method.
SomeEntity someEntity = entityRepository.getSomeEntity(someEntityID);
在這種情況下someEntity是空字段的對象。當我試圖從這個對象中得到一些字段(檢查它是否爲null)時,會拋出以下異常:could not initialize proxy - no Session
爲什麼只是從POJO對象獲取值時拋出此異常?