Question

我到处都看过，但是我不明白我在做什么错-尝试在表中进行内部联接后出现此异常，这是我得到的错误消息

"IllegalArgumentException occurred calling getter of com.userservice.usermanagement.models.Role2.id; nested exception is org.hibernate.PropertyAccessException: IllegalArgumentException occurred calling getter of com.userservice.usermanagement.models.Role2.id"

这些是我的模型：用户

@Entity
@Table(name = "users")
public class User2 {
    /**
     * User model
     */ 
        
      private long id;    
      private String username;   
      private String email;   
      private String password;
      private String customername;    
      private String customerid;      
      private String description;      
     

      private Set<Role2> roles = new HashSet<>();

      public User2() {
      }

      public User2(String username, String email, String customername,String customerid,String description, String password) {
        this.username = username;
        this.email = email;
        this.customername = customername;
        this.customerid = customerid;
        this.description = description;
        this.password = password;
      } 
      

      @Id
        @GeneratedValue(strategy = GenerationType.IDENTITY)
            public long getId() {
            return id;
        }

      public void setId(long id) {
        this.id = id;
      }
      
      @Column(name = "username", nullable = false, length = 1024)
      public String getUsername() {
        return username;
      }

      public void setUsername(String username) {
        this.username = username;
      }

      @Column(name = "email", nullable = false, length = 1024)
      public String getEmail() {
        return email;
      }

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

      @Column(name = "password", nullable = false, length = 1024)
      public String getPassword() {
        return password;
      }

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

     
      @Column(name = "customername", nullable = false, length = 1024)
      public String getCustomername() {
        return customername;
    }

    
    public void setCustomername(String customername) {
        this.customername = customername;
    }

    @Column(name = "customerid", nullable = false, length = 1024)
    public String getCustomerid() {
        return customerid;
    }
    
    
    public void setCustomerid(String customerid) {
        this.customerid = customerid;
    }

    @Column(name = "description", nullable = false, length = 1024)
    public String getDescription() {
        return description;
    }
    
    
    public void setDescription(String description) {
        this.description = description;
    }
    
    
    @ManyToOne(targetEntity = Role2.class)
    @JoinColumn(name = "role")
    public Set<Role2> getRoles() {
        return roles;
      }
    
    public void setRoles(Set<Role2> roles) {
        this.roles = roles;
    }
    
    


    }

角色

@Entity
@Table(name = "roles")
public class Role2 {
    /**
     * Model for role with all the attributes
     */
     
      private long id;

     
      private Set<Role2> name;

      public Role2() {

      }

      public Role2(Set<Role2> name) {
        this.name = name;
      }

      @Id
      @GeneratedValue(strategy = GenerationType.IDENTITY)
      public long getId() {
        return id;
      }

      public void setId(long id) {
        this.id = id;
      }
      
      @OneToMany
      public Set<Role2> getName() {
        return name;
      }

      public void setName(Set<Role2> name) {
        this.name = name;
      }
    }

我已经花了几个小时了，但我未能真正了解原因。如果有人可以在这里指出问题，我将不胜感激。预先感谢

PropertyAccessException：发生IllegalArgumentException调用模型ID的getter

0 个答案: