Jpa ORA-01400:无法在@manytomany UnidierConditional中插入NULL
我正在插入具有角色(现有)角色的用户对象。 它使我无法在user_role.id中插入null 模式:Jpa ORA-01400:无法在@manytomany UnidierConditional中插入NULL,jpa,hibernate-mapping,spring-transactions,Jpa,Hibernate Mapping,Spring Transactions,我正在插入具有角色(现有)角色的用户对象。 它使我无法在user_role.id中插入null 模式: @Entity @Table(name = "user_data") public class User extends Serializable { @Id @GeneratedValue(strategy = GenerationType.AUTO) private Long id; /** * user can have set of ro
@Entity
@Table(name = "user_data")
public class User extends Serializable {
@Id
@GeneratedValue(strategy = GenerationType.AUTO)
private Long id;
/**
* user can have set of roles profiles
*/
@ManyToMany(cascade = {CascadeType.ALL} ,fetch=FetchType.EAGER)
@JoinTable(name = "user_role", joinColumns = { @JoinColumn(name = "user_id", referencedColumnName = "id") }, inverseJoinColumns = { @JoinColumn(name = "role_id", referencedColumnName = "id") })
private Set<Role> roles;
}
@Entity @Table(name = "role")
public class Role extends Serializable {
private static final long serialVersionUID = -5954247513572163065L;
@Id
@GeneratedValue(strategy = GenerationType.AUTO)
private Long id;
@Column(name = "name")
private String name;
@ManyToMany
@JoinTable(name = "role_permission", joinColumns = { @JoinColumn(name = "role_id",
referencedColumnName = "id") },
inverseJoinColumns = { @JoinColumn(name = "permission_id",
referencedColumnName = "id") })
private Set<Permission> permissions;
[...]
您的
user\u角色
join表有一个id
列,Hibernate不知道该列。hibernate只知道角色id
和用户id
列。id
列没有用处,您应该将其从user\u role
表中删除。如果将其保留在那里,则需要将其设置为可空,或使其具有默认值。您的user\u角色
联接表有一个id
列,Hibernate不知道该列。hibernate只知道角色id
和用户id
列。id
列没有用处,您应该将其从user\u role
表中删除。如果将其保留在那里,则需要使其可为null,或者使其具有默认值
@Override
@Transactional(readOnly = false, propagation = Propagation.REQUIRES_NEW)
public User createUser(User user) throws BusinessException {
List<Error> errors = new ArrayList<Error>();
validateUserRoles(user ,errors);
if ( errors.size() > 0 )
{
throw new BusinessException(errors);
}
user.setUserIdentifier(user.getUserIdentifier().trim());
logger.info("Creating User with username: " + user.getUserIdentifier());
return this.userRepositotry.save(user);
}
private void validateUserRoles(User user ,List<Error> errors) {
Set<Role> roles = new HashSet<Role>();
if (user.getRoles() != null)
{
for(Role role : user.getRoles())
{
Role r = null;
if(role.getId() != null)
{
r = this.roleRepository.findOne(role.getId());
} else if( role.getName() != null )
{
r = this.roleRepository.findByName(role.getName());
}
if(r == null)
{
errors.add(new Error(ErrorCode.INVALID_ARGUMENTS,"Invalid user Role.",r));
} else
{
roles.add(r);
}
}
}
user.setRoles(roles);
}