Spring boot entity has a list of another entity - spring-boot

Question

I have a problem with the following code:
#Entity
#Table(name = "app_user")
#NoArgsConstructor
#AllArgsConstructor
#Data
#Builder
public class User {
#Id
#GeneratedValue(strategy = GenerationType.IDENTITY)
private Long id;
#Column(unique = true)
private String username;
#Column(unique = true)
private String email;
private String name;
private String password;
#Enumerated(EnumType.STRING)
private Role role;
#OneToMany(fetch = FetchType.LAZY, cascade = CascadeType.MERGE)
#JoinTable(name = "user_shoes",
joinColumns = #JoinColumn(name = "user_id"),
inverseJoinColumns = #JoinColumn(name = "shoes_id"))
private List<Shoe> shoes = new ArrayList<>();
#Builder.Default
private final Instant created = new Date().toInstant();
}
#Entity
#Table(name = "shoes")
#NoArgsConstructor
#AllArgsConstructor
#Data
#Builder
public class Shoe {
#Id
#GeneratedValue(strategy = GenerationType.IDENTITY)
private Long id;
#ManyToOne(cascade = CascadeType.ALL, fetch = FetchType.LAZY)
private User user;
private String brand;
private String type;
private String size;
private String color;
private String image_url;
private String sex;
#Builder.Default
private Instant created = new Date().toInstant();
}
Inside User entity I want to make a list that contains Shoe entities, but I always get an error.
Table 'webshop.shoes' doesn't exist
Anybody know how to fix this problem?
It is required to my home project of a shoe webshop.
Thanks.

Answer 1

I had pretty similar codes with yours.
Please see mine and hope you solve it as I did.
import com.fasterxml.jackson.annotation.JsonBackReference;
import lombok.*;
import org.springframework.data.annotation.CreatedDate;
import org.springframework.data.jpa.domain.support.AuditingEntityListener;
import javax.persistence.*;
import java.time.LocalDate;
import java.time.LocalDateTime;
#Entity
#Getter
#Table(name = "orders")
#ToString(exclude = "user")
#NoArgsConstructor(access = AccessLevel.PROTECTED)
#EntityListeners(AuditingEntityListener.class)
#SequenceGenerator(
name = "order_seq_generator"
, sequenceName = "orders_order_id_seq"
, initialValue = 1
, allocationSize = 1
)
public class Order {
#Id
#GeneratedValue(strategy = GenerationType.SEQUENCE
, generator = "order_seq_generator")
#Column(name = "order_id")
private Long orderId;
#Column(name = "order_number")
private String orderNumber;
#Column(name = "salad_date")
private LocalDate saladDate;
#Column(name = "order_date")
#CreatedDate
private LocalDateTime orderDate;
#ManyToOne
#JsonBackReference
#JoinColumn(name = "user_id")
private User user;
#Column(name = "cancel_yn", columnDefinition = "boolean default false")
private boolean cancelYn;
#Builder
public Order(String orderNumber, User user, LocalDate saladDate, boolean cancelYn) {
this.orderNumber = orderNumber;
this.user = user;
this.saladDate = saladDate;
this.cancelYn = cancelYn;
}
public void updateOrder(String orderNumber, boolean cancelYn) {
this.orderNumber = orderNumber;
this.cancelYn = cancelYn;
}
}
import com.fasterxml.jackson.annotation.JsonIgnore;
import com.fasterxml.jackson.annotation.JsonManagedReference;
import lombok.*;
import org.springframework.data.annotation.CreatedDate;
import org.springframework.data.jpa.domain.support.AuditingEntityListener;
import javax.persistence.*;
import java.time.LocalDateTime;
import java.util.ArrayList;
import java.util.List;
#Entity
#Getter
#ToString
#Table(name = "users")
#NoArgsConstructor(access = AccessLevel.PROTECTED)
#EntityListeners(AuditingEntityListener.class)
#SequenceGenerator(
name= "users_seq_generator"
, sequenceName = "users_user_id_seq"
, initialValue = 1
, allocationSize = 1
)
public class User {
#Id
#GeneratedValue(strategy = GenerationType.SEQUENCE
, generator = "users_seq_generator")
#Column(name = "user_id")
private Long userId;
#Column(name = "password")
private String password;
#Column(name = "user_email")
private String userEmail;
#JsonIgnore
#JsonManagedReference // Avoid infinite recursion
#OneToMany(mappedBy = "user", cascade = CascadeType.PERSIST)
private List<Order> orders = new ArrayList<>();
#Column(name = "user_sabun")
private String userSabun;
#Column(name = "user_name")
private String userName;
#Column(name = "user_phone")
private String userPhone;
#Column(name = "send_email_yn")
private boolean sendEmailYn;
#Column(name = "join_date")
#CreatedDate
private LocalDateTime joinDate;
#Builder
public User(Long userId, String userEmail, String password, String userSabun, String userName, String userPhone, boolean sendEmailYn, LocalDateTime joinDate) {
this.userId = userId;
this.userEmail = userEmail;
this.password = password;
this.userSabun = userSabun;
this.userName = userName;
this.userPhone = userPhone;
this.sendEmailYn = sendEmailYn;
this.joinDate = joinDate;
}
public void userUpdate(String userEmail, String userSabun, String userName, String userPhone, boolean sendEmailYn) {
this.userEmail = userEmail;
this.userSabun = userSabun;
this.userName = userName;
this.userPhone = userPhone;
this.sendEmailYn = sendEmailYn;
}
}