求教一个hibernate问题 就是双边多对一,一对多时,想将控制权交给一方,但是多方使用@注释时,在@ManyToOne时,无法注入mappedBy属性,就问怎么编译,使得控制在一方呢。 解决方案 » 免费领取超大流量手机卡,每月29元包185G流量+100分钟通话, 中国电信官方发货 @ManyToOne(cascade = { CascadeType.ALL}) 额。报错了。。Caused by: org.hibernate.AnnotationException: Use of @OneToMany or @ManyToMany targeting an unmapped class: com.until.ExpirementEvent.expirementMissions[com.until.ExpirementMission] @Entitypublic abstract class ExpirementMission { @Id @GeneratedValue(strategy = GenerationType.AUTO) private int id; @Column private String expriement; private String state; @ManyToOne(cascade = CascadeType.ALL) private ExpirementEvent expirementEvent;===================================================================================public class ExpirementEvent {////// @OneToMany(fetch = FetchType.EAGER, targetEntity=ExpirementMission.class,cascade = CascadeType.ALL) @JoinColumns(value = { @JoinColumn(name = "mission_id", referencedColumnName = "id") }) private List<ExpirementMission> expirementMissions = new ArrayList<ExpirementMission>();我多对一,一对多的代码。。 public abstract class ExpirementMission 已改成 public class ExpirementMission { jbpm4.4如何实现图形化监控 显示当前节点 能帮我解决下这个bug吗 ext分页问题 我做了一个页面,用超链直接指到excel文件<a href="./download/member.xls">来下载该文件,excel能成功下载,但是报下面的错误 Hibernate HQL 级联查询 response.sendRedirect()的用法,能保持request 中的值吗? 大家来讨论,精彩有分 有人用java自己写过安装程序吗? 我要上传文件的javabean 菜鸟求援!!!!急! jbpm5 自动向数据库里添加数据出错..急。。 jpa查询语句 错了吗?
Caused by: org.hibernate.AnnotationException: Use of @OneToMany or @ManyToMany targeting an unmapped class: com.until.ExpirementEvent.expirementMissions[com.until.ExpirementMission]
public abstract class ExpirementMission { @Id
@GeneratedValue(strategy = GenerationType.AUTO)
private int id; @Column
private String expriement;
private String state; @ManyToOne(cascade = CascadeType.ALL)
private ExpirementEvent expirementEvent;===================================================================================public class ExpirementEvent {//
//
//
@OneToMany(fetch = FetchType.EAGER, targetEntity=ExpirementMission.class,cascade = CascadeType.ALL)
@JoinColumns(value = { @JoinColumn(name = "mission_id", referencedColumnName = "id") })
private List<ExpirementMission> expirementMissions = new ArrayList<ExpirementMission>();
我多对一,一对多的代码。。
public class ExpirementMission {