Доброго времени суток. Не могу понять, почему возникает данная ошибка.
Кто знает, в чем причина, подскажите способ решения, пожалуйста!
Request processing failed; nested exception is org.springframework.transaction.TransactionSystemException: Could not commit JPA transaction; nested exception is javax.persistence.RollbackException: Error while committing the
transaction] with root cause
javax.validation.ConstraintViolationException: Validation failed for classes [com.todo.todo.models.User] during persist time for groups [javax.validation.groups.Default, ]
User.java
package com.todo.todo.models;
import java.time.Instant;
import java.util.HashSet;
import java.util.LinkedList;
import java.util.List;
import java.util.Set;
import javax.persistence.CascadeType;
import javax.persistence.CollectionTable;
import javax.persistence.ElementCollection;
import javax.persistence.Entity;
import javax.persistence.EnumType;
import javax.persistence.Enumerated;
import javax.persistence.FetchType;
import javax.persistence.GeneratedValue;
import javax.persistence.GenerationType;
import javax.persistence.Id;
import javax.persistence.JoinColumn;
import javax.persistence.OneToMany;
import javax.persistence.Table;
import javax.validation.constraints.NotBlank;
import lombok.Getter;
import lombok.Setter;
@Entity
@Table(name = "usr")
public class User {
@Id
@GeneratedValue(strategy = GenerationType.AUTO)
@Getter
@Setter
private Long id;
@Getter
@Setter
@NotBlank(message = "Fill your name")
private String name;
@Getter
@Setter
@NotBlank(message = "Fill your login")
private String login;
@Getter
@Setter
@NotBlank(message = "Fill your password")
private String password;
@Getter
@Setter
private Instant createdDate;
@Getter
@Setter
@OneToMany(cascade = CascadeType.ALL) // deleting a user causes deleting their tasks
private List<Task> taskList;
@Getter
@Setter
@ElementCollection(targetClass = Role.class, fetch = FetchType.EAGER)
@CollectionTable(name = "user_role", joinColumns = @JoinColumn(name = "user_id"))
@Enumerated(EnumType.STRING)
private Set<Role> roles;
public User() {
}
public User(String name, String login, String password) {
this.name = name;
this.login = login;
this.password = password;
this.createdDate = Instant.now();
this.taskList = new LinkedList<>();
this.roles = new HashSet<>();
}
}
UserRepository.java
package com.todo.todo.repositories;
import org.springframework.data.jpa.repository.JpaRepository;
import com.todo.todo.models.User;
public interface UserRepository extends JpaRepository<User, Long>{
User findByLogin(String login);
}
UserController.java
Ошибка именно в строке userRepository.save(user);
package com.todo.todo.controllers;
import java.time.Instant;
import java.util.Collections;
import java.util.Map;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.PostMapping;
import com.todo.todo.models.Role;
import com.todo.todo.models.User;
import com.todo.todo.repositories.UserRepository;
@Controller
public class UserController {
@Autowired
private UserRepository userRepository;
@GetMapping("/registrate")
public String getRegistratePage(){
return "registrate";
}
@PostMapping("/registrate")
public String registrateUser(User user, Map<String, Object> map){
User userFromDatabase = userRepository.findByLogin(user.getLogin());
if(userFromDatabase != null){
map.put("error", "User has been already registrated!");
return "registrate";
}
user.setCreatedDate(Instant.now());
user.setRoles(Collections.singleton(Role.USER));
userRepository.save(user); // Could not commit JPA transaction; nested exception is javax.persistence.RollbackException: Error while committing the transaction
return "redirect:/login";
}
}
Текст ошибки (его часть)
Could not commit JPA transaction; nested exception is javax.persistence.RollbackException: Error while committing the transaction
Caused by: javax.validation.ConstraintViolationException: Validation failed for classes [com.todo.todo.models.User] during persist time for groups [javax.validation.groups.Default, ]
Простой
