在回调事件上执行自动Bean验证时违反了Bean验证约束:'prePersist'

Question

我想存储birthdate所以我选择date了MySQL,当我在我的数据库中创建我的实体时,结果如下:

import java.util.Date;

    // ..code
    @NotNull(message="fill you birthdate")
    @Temporal(TemporalType.DATE)
    private Date birthdate;

但是当我试图坚持它时,它给了我这个错误:

在回调事件上执行自动Bean验证时违反了Bean验证约束:'prePersist'.有关详细信息,请参阅嵌入式ConstraintViolations.

我在这做错了什么？我正在阅读有关谷歌定义时区的内容,我来自巴西,我应该怎么做？

编辑

package entity;

import java.io.Serializable;
import javax.persistence.*;
import javax.validation.constraints.NotNull;
import javax.validation.constraints.Size;

import org.hibernate.validator.constraints.Email;

import java.util.Date;
import java.util.List;


/**
 * The persistent class for the user database table.
 * 
 */
@Entity
public class User implements Serializable {
    private static final long serialVersionUID = 1L;

    @Id
    @GeneratedValue(strategy=GenerationType.IDENTITY)
    private Integer id;

    @Temporal(TemporalType.DATE)
    private Date birthdate;

    @NotNull(message="informe seu e-mail")
    @Email(message="e-mail inválido")
    private String email;

    @NotNull(message="informe seu gênero")
    private String gender;

    private String image;

    @NotNull(message="informe seu nome completo")
    private String name;

    @Size(min=6,max=16, message="senha com no mínimo: 6 dígitos e no máximo 16 dígitos")
    @NotNull(message="informe sua senha")
    private String password;

    //bi-directional many-to-one association to Document
    @OneToMany(mappedBy="user")
    private List<Document> documents;

    //bi-directional many-to-one association to QuestionQuery
    @OneToMany(mappedBy="user")
    private List<QuestionQuery> questionQueries;

    //bi-directional many-to-one association to Team
    @OneToMany(mappedBy="user")
    private List<Team> teams;

    public User() {
    }

    public Integer getId() {
        return this.id;
    }

    public void setId(Integer id) {
        this.id = id;
    }

    public Date getBirthdate() {
        return this.birthdate;
    }

    public void setBirthdate(Date birthdate) {
        this.birthdate = birthdate;
    }

    public String getEmail() {
        return this.email;
    }

    public void setEmail(String email) {
        this.email = email;
    }

    public String getGender() {
        return this.gender;
    }

    public void setGender(String gender) {
        this.gender = gender;
    }

    public String getImage() {
        return this.image;
    }

    public void setImage(String image) {
        this.image = image;
    }

    public String getName() {
        return this.name;
    }

    public void setName(String name) {
        this.name = name;
    }

    public String getPassword() {
        return this.password;
    }

    public void setPassword(String password) {
        this.password = password;
    }

    public List<Document> getDocuments() {
        return this.documents;
    }

    public void setDocuments(List<Document> documents) {
        this.documents = documents;
    }

    public List<QuestionQuery> getQuestionQueries() {
        return this.questionQueries;
    }

    public void setQuestionQueries(List<QuestionQuery> questionQueries) {
        this.questionQueries = questionQueries;
    }

    public List<Team> getTeams() {
        return this.teams;
    }

    public void setTeams(List<Team> teams) {
        this.teams = teams;
    }

    public void print() {
        System.out.println("User [id=" + id + ", birthdate=" + birthdate + ", email="
                + email + ", gender=" + gender + ", image=" + image + ", name="
                + name + ", password=" + password + "]");
    }



}

Answer 1

我遇到了同样的问题,但是经过几个小时寻找答案,最后我找到了....你应该编辑你的AbstractFacade.java类并添加这个代码

public void create(T entity) {

    ValidatorFactory factory = Validation.buildDefaultValidatorFactory();
    Validator validator = factory.getValidator();
    Set<ConstraintViolation<T>> constraintViolations = validator.validate(entity);
    if(constraintViolations.size() > 0){
        Iterator<ConstraintViolation<T>> iterator = constraintViolations.iterator();
        while(iterator.hasNext()){
            ConstraintViolation<T> cv = iterator.next();
            System.err.println(cv.getRootBeanClass().getName()+"."+cv.getPropertyPath() + " " +cv.getMessage());

            JsfUtil.addErrorMessage(cv.getRootBeanClass().getSimpleName()+"."+cv.getPropertyPath() + " " +cv.getMessage());
        }
    }else{
        getEntityManager().persist(entity);
    }
}

现在,此方法将提醒您哪个属性以及验证失败的原因.我希望这对你有用,就像对我一样.

Answer 2

我有一个快捷方式,在持久化实体时捕获以下异常.就我而言,它在EJB add方法中.在那里我做的em.persist().然后检查服务器日志,您将看到哪个属性具有约束违规.

catch (ConstraintViolationException e) {
       log.log(Level.SEVERE,"Exception: ");
       e.getConstraintViolations().forEach(err->log.log(Level.SEVERE,err.toString()));
    }

Answer 3

该错误显示您尝试保留的实体未通过数据库约束,因此请在实际插入之前尝试确定要插入数据库的确切值.

并通过注释/省略@NotNull注释来尝试.

Answer 4

我为解决我的问题所做的是颠倒顺序@Size和@NotNull

之前:

@Size(min=6,max=16, message="senha com no mínimo: 6 dígitos e no máximo 16 dígitos")
@NotNull(message="informe sua senha")
private String password;

后:

@NotNull(message="informe sua senha")
@Size(min=6,max=16, message="senha com no mínimo: 6 dígitos e no máximo 16 dígitos")
private String password;

我不知道为什么这个订单这么重要,但确实=]谢谢大家!

Answer 5

当然，Iomanip 的回答是完全正确的！我只是扩展了一点。也许这也有帮助：

  private boolean constraintValidationsDetected(T entity) {
    ValidatorFactory factory = Validation.buildDefaultValidatorFactory();
    Validator validator = factory.getValidator();
    Set<ConstraintViolation<T>> constraintViolations = validator.validate(entity);
    if (constraintViolations.size() > 0) {
      Iterator<ConstraintViolation<T>> iterator = constraintViolations.iterator();
      while (iterator.hasNext()) {
        ConstraintViolation<T> cv = iterator.next();
        System.err.println(cv.getRootBeanClass().getName() + "." + cv.getPropertyPath() + " " + cv.getMessage());

        JsfUtil.addErrorMessage(cv.getRootBeanClass().getSimpleName() + "." + cv.getPropertyPath() + " " + cv.getMessage());
      }
      return true;
    }
    else {
      return false;
    }
  }

  public void create(T entity) {
    if (!constraintValidationsDetected(entity)) {
      getEntityManager().persist(entity);
    }
  }

  public T edit(T entity) {
    if (!constraintValidationsDetected(entity)) {
      return getEntityManager().merge(entity);
    }
    else {
      return entity;
    }
  }

  public void remove(T entity) {
    if (!constraintValidationsDetected(entity)) {
      getEntityManager().remove(getEntityManager().merge(entity));
    }
  }