java - 休眠:org.hibernate.QueryException
问题描述
我有一个 org.hibernate.QueryException 并且我很难理解为什么。
hibernate 未解析的属性 langue_id 在我的实体 Conditionnement 中定义。
堆栈跟踪
Caused by: org.hibernate.QueryException: could not resolve property: langue_id of: fr.sita.g2fm.domain.referentiel.Conditionnement
at org.hibernate.persister.entity.AbstractPropertyMapping.propertyException(AbstractPropertyMapping.java:62) ~[hibernate-core-5.0.12.Final.jar:5.0.12.Final]
at org.hibernate.persister.entity.AbstractPropertyMapping.toType(AbstractPropertyMapping.java:56) ~[hibernate-core-5.0.12.Final.jar:5.0.12.Final]
at org.hibernate.persister.entity.AbstractEntityPersister.toType(AbstractEntityPersister.java:1805) ~[hibernate-core-5.0.12.Final.jar:5.0.12.Final]
at org.hibernate.loader.criteria.EntityCriteriaInfoProvider.getType(EntityCriteriaInfoProvider.java:39) ~[hibernate-core-5.0.12.Final.jar:5.0.12.Final]
at org.hibernate.loader.criteria.CriteriaQueryTranslator.getPathInfo(CriteriaQueryTranslator.java:228) ~[hibernate-core-5.0.12.Final.jar:5.0.12.Final]
at org.hibernate.loader.criteria.CriteriaQueryTranslator.createCriteriaEntityNameMap(CriteriaQueryTranslator.java:212) ~[hibernate-core-5.0.12.Final.jar:5.0.12.Final]
at org.hibernate.loader.criteria.CriteriaQueryTranslator.<init>(CriteriaQueryTranslator.java:94) ~[hibernate-core-5.0.12.Final.jar:5.0.12.Final]
at org.hibernate.loader.criteria.CriteriaLoader.<init>(CriteriaLoader.java:71) ~[hibernate-core-5.0.12.Final.jar:5.0.12.Final]
at org.hibernate.internal.SessionImpl.list(SessionImpl.java:1760) ~[hibernate-core-5.0.12.Final.jar:5.0.12.Final]
at org.hibernate.internal.CriteriaImpl.list(CriteriaImpl.java:363) ~[hibernate-core-5.0.12.Final.jar:5.0.12.Final]
实体
@Entity
@Data
@Table(uniqueConstraints = @UniqueConstraint(name = "UNIQUE_CONDITIONNEMENT_DESIGNATION", columnNames = {
"designation"}))
public class Conditionnement implements IdObject, Serializable {
private static final long serialVersionUID = 7096113289274101792L;
@Id
@GeneratedValue(strategy = GenerationType.IDENTITY)
private Long id;
private Long codeConditionnement;
@NotNull(message = ERROR_CODE_MANDATORY_FIELD)
private String designation;
@ManyToOne(fetch = FetchType.LAZY)
@JoinColumn(name = "langue_id")
@NotNull(message = ERROR_CODE_MANDATORY_FIELD)
@ForeignKey(name = "FK_CONDITIONNEMENT_LANGUE")
private Langue langue;
}
最后是我的 DAO 中的方法
@Override
public List<Conditionnement> find(ConditionnementCriteria conditionnementCriteria) {
Criteria criteria = getHibernateSession().createCriteria(Conditionnement.class, "c");
criteria.createCriteria("c.langue_id", "l", JoinType.LEFT_OUTER_JOIN);
return criteria.list();
}
你知道是什么导致了这个异常吗?
谢谢您的帮助。
解决方案
更改c.langue_id
为c.langue
如下所示,因为 hibernate 无法找到带有 name 的列langue_id
。
public List<Conditionnement> find(ConditionnementCriteria conditionnementCriteria) {
Criteria criteria = getHibernateSession().createCriteria(Conditionnement.class, "c");
criteria.createCriteria("c.langue", "l", JoinType.LEFT_OUTER_JOIN);
return criteria.list();
}
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