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在OneToOne关系,我不能坚持住址的领域,但我得到了学校方面的任何错误它给这个错误:嵌套bean属性,例外:目标不可达,“空”返回null
javax.el.PropertyNotFoundException: /inscription/school-inscription.xhtml @29,91 value="#{createBn.school.adresse.country}": Target Unreachable, 'null' returned null
这里是视图:
<h:inputText id="name" value="#{createBn.school.name}" pt:placeholder="ex: Dalton" />
<h:inputText value="#{createBn.school.creationDate}" pt:placeholder="31-12-2000" />
<h:selectOneMenu value="#{createBn.school.adresse.country}" styleClass="form-control">
<f:selectItems value="#{countriesList.countries}" />
</h:selectOneMenu>.....
所以createBn:
@Named
@SessionScoped
public class CreateBn implements Serializable{
private static final long serialVersionUID = 1L;
private School school;
@EJB
private SchoolPr schoolPr;
public CreateBn(){
user = new User();
school = new School();
}
public void createSchool(){
schoolPr.createSchool(school);
}
,这里是学校实体和A礼服实体:
@Entity
@Table(schema = "school", name = "school")
public class School implements Serializable {
....
private String name;
@OneToOne @JoinColumn(name = "adressId")
private Adresse adresse;
//getters +setters
地址:
@Entity
@Table(schema = "school", name = "adress")
class Adresse implements java.io.Serializable {
..
private String country;
//getters +setters
PS:我已经在这里看到类似的案件,但没有什么帮助+我删除的大部分代码张贴在这里像ID字段等等,所有的getter和setter方法实现。