JAVA: I am getting this error : Repeated column in mapping for collection: com.example.javaauthenticationapp.Model.Permission.permissionSet column: id. below is my Permission class: @Entity @Table(name="permissions") @Getter @Setter @Embeddable public class Permission { //removed getter and setter to save space @Id @GeneratedValue(strategy = GenerationType.IDENTITY) private Long id; @Column(unique = true, nullable = false) private String title; private String slug; private String description; @CreatedDate @CreationTimestamp @DateTimeFormat(iso = DateTimeFormat.ISO.DATE_TIME) private LocalDateTime createdAt; @LastModifiedDate @UpdateTimestamp @DateTimeFormat(iso = DateTimeFormat.ISO.DATE_TIME) private LocalDateTime updatedAt; @ManyToMany(mappedBy = "id", cascade = CascadeType.REMOVE) Set permissionSet;
JAVA:
I am getting this error : Repeated column in mapping for collection: com.example.javaauthenticationapp.Model.Permission.permissionSet column: id.
below is my Permission class:
@Entity
@Table(name="permissions")
@Getter
@Setter
@Embeddable
public class Permission {
//removed getter and setter to save space
@Id
@GeneratedValue(strategy = GenerationType.IDENTITY)
private Long id;
@Column(unique = true, nullable = false)
private String title;
private String slug;
private String description;
@CreatedDate
@CreationTimestamp
@DateTimeFormat(iso = DateTimeFormat.ISO.DATE_TIME)
private LocalDateTime createdAt;
@LastModifiedDate
@UpdateTimestamp
@DateTimeFormat(iso = DateTimeFormat.ISO.DATE_TIME)
private LocalDateTime updatedAt;
@ManyToMany(mappedBy = "id",
cascade = CascadeType.REMOVE)
Set<Role> permissionSet;
}
![](/static/compass_v2/shared-icons/check-mark.png)
Trending now
This is a popular solution!
Step by step
Solved in 3 steps
![Blurred answer](/static/compass_v2/solution-images/blurred-answer.jpg)
![Database System Concepts](https://www.bartleby.com/isbn_cover_images/9780078022159/9780078022159_smallCoverImage.jpg)
![Starting Out with Python (4th Edition)](https://www.bartleby.com/isbn_cover_images/9780134444321/9780134444321_smallCoverImage.gif)
![Digital Fundamentals (11th Edition)](https://www.bartleby.com/isbn_cover_images/9780132737968/9780132737968_smallCoverImage.gif)
![Database System Concepts](https://www.bartleby.com/isbn_cover_images/9780078022159/9780078022159_smallCoverImage.jpg)
![Starting Out with Python (4th Edition)](https://www.bartleby.com/isbn_cover_images/9780134444321/9780134444321_smallCoverImage.gif)
![Digital Fundamentals (11th Edition)](https://www.bartleby.com/isbn_cover_images/9780132737968/9780132737968_smallCoverImage.gif)
![C How to Program (8th Edition)](https://www.bartleby.com/isbn_cover_images/9780133976892/9780133976892_smallCoverImage.gif)
![Database Systems: Design, Implementation, & Manag…](https://www.bartleby.com/isbn_cover_images/9781337627900/9781337627900_smallCoverImage.gif)
![Programmable Logic Controllers](https://www.bartleby.com/isbn_cover_images/9780073373843/9780073373843_smallCoverImage.gif)