如何解决休眠:消息请求处理失败;嵌套异常是 org.hibernate.QueryException: not an association: name
道:
@Override
public List<DailyReport> serach(DailyReport dailyreport) {
Integer empId=dailyreport.getEmployee().getEmp_id();
String name=dailyreport.getEmployee().getName();
String designation=dailyreport.getEmployee().getDesignation();
String task_type=dailyreport.getTask_type();
Criteria criteria= session.getCurrentSession().createCriteria(DailyReport.class);
criteria.setFetchMode("employee.name",FetchMode.EAGER);
Criteria criteriaP = criteria.createCriteria("employee.name");
criteriaP.add(Restrictions.eq("employee.name",dailyreport.getEmployee().getName()));
Employee.java:
@Entity
@Table(name="employee")
public class Employee {
@Id
@GeneratedValue(strategy = GenerationType.AUTO)
@Column(name="emp_id")
private Integer emp_id;
@Column(name="name")
private String name;
@Column(name="designation")
private String designation;
@Column(name="location")
private String location;
@Column(name="employee_type")
private String employee_type;
@OnetoMany(mappedBy="employee",fetch = FetchType.EAGER)
private Set<DailyReport> dailyreport;
public Employee() {}
public Employee(String name,String designation,String location,String
employee_type) {
this.name = name;
this.designation = designation;
this.location = location;
this.employee_type = employee_type;
}//setters and getters
每日报告.java:
@Entity
@Table(name="daily_report")
public class DailyReport {
@Id
@Column(name="id")
@GeneratedValue(strategy=GenerationType.AUTO)
private Integer id;
@Column(name="date")
private Date date;
@Column(name="task_type")
private String task_type;
@Column(name="description")
private String description;
@ManyToOne(fetch = FetchType.EAGER)
@JoinColumn(name="employee_id")
private Employee employee;
public DailyReport() {}
public DailyReport(Date date,String task_type,String description,Employee
employee) {
super();
this.date = date;
this.task_type = task_type;
this.description = description;
this.employee = employee;
}
我有 2 个表 Employee 和 Daily Report,它们具有一对多的关系。当我使用“name”进行搜索操作时,我收到以下错误消息: 消息请求处理失败;嵌套异常是 org.hibernate.QueryException: 不是关联:名称
请任何人帮助我解决问题。谢谢
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