一对一映射 Spring 启动
One to One Mapping Spring boot
大家好提前我尝试登录“用户”时遇到一对一连接问题我收到此错误
我需要的是不必持久的一对一连接，这意味着用户可以拥有播放器但不一定必须拥有它，反之亦然
因为在我的例子中，Minecraft 服务器应该填充播放器 table 并且网站填充用户以便他们可以连接。
2020-07-27 23:06:12,537 DEBUG [http-nio-8080-exec-2] nirvanacw.de.demo.user.UserServiceImpl: --> getUserByEmail email=Test@gmx.de
2020-07-27 23:06:12,550 WARN [http-nio-8080-exec-2] org.hibernate.engine.jdbc.spi.SqlExceptionHelper: SQL Error: 42122, SQLState: 42S22
2020-07-27 23:06:12,550 ERROR [http-nio-8080-exec-2] org.hibernate.engine.jdbc.spi.SqlExceptionHelper: Feld "player0_.player" nicht gefunden
Column "player0_.player" not found; SQL statement:
select player0_.id as id1_2_1_, player0_.banned as banned2_2_1_, player0_.first_joined as first_jo3_2_1_, player0_.ip_address as ip_addre4_2_1_, player0_.last_joined as last_joi5_2_1_, player0_.player as player8_2_1_, player0_.player_name as player_n6_2_1_, player0_.uuid as uuid7_2_1_, user1_.id as id1_3_0_, user1_.active as active2_3_0_, user1_.created as created3_3_0_, user1_.email as email4_3_0_, user1_.first_name as first_na5_3_0_, user1_.last_name as last_nam6_3_0_, user1_.password as password7_3_0_, user1_.reset_password as reset_pa8_3_0_, user1_.roles as roles9_3_0_, user1_.updated as updated10_3_0_, user1_.username as usernam11_3_0_ from player player0_ left outer join user user1_ on player0_.player=user1_.id where player0_.player=? [42122-200]
2020-07-27 23:06:12,558 ERROR [http-nio-8080-exec-2] org.springframework.security.oauth2.provider.endpoint.TokenEndpoint: Handling error: InternalAuthenticationServiceException, could not prepare statement; SQL [select player0_.id as id1_2_1_, player0_.banned as banned2_2_1_, player0_.first_joined as first_jo3_2_1_, player0_.ip_address as ip_addre4_2_1_, player0_.last_joined as last_joi5_2_1_, player0_.player as player8_2_1_, player0_.player_name as player_n6_2_1_, player0_.uuid as uuid7_2_1_, user1_.id as id1_3_0_, user1_.active as active2_3_0_, user1_.created as created3_3_0_, user1_.email as email4_3_0_, user1_.first_name as first_na5_3_0_, user1_.last_name as last_nam6_3_0_, user1_.password as password7_3_0_, user1_.reset_password as reset_pa8_3_0_, user1_.roles as roles9_3_0_, user1_.updated as updated10_3_0_, user1_.username as usernam11_3_0_ from player player0_ left outer join user user1_ on player0_.player=user1_.id where player0_.player=?]; nested exception is org.hibernate.exception.SQLGrammarException: could not prepare statement
org.springframework.security.authentication.InternalAuthenticationServiceException: could not prepare statement; SQL [select player0_.id as id1_2_1_, player0_.banned as banned2_2_1_, player0_.first_joined as first_jo3_2_1_, player0_.ip_address as ip_addre4_2_1_, player0_.last_joined as last_joi5_2_1_, player0_.player as player8_2_1_, player0_.player_name as player_n6_2_1_, player0_.uuid as uuid7_2_1_, user1_.id as id1_3_0_, user1_.active as active2_3_0_, user1_.created as created3_3_0_, user1_.email as email4_3_0_, user1_.first_name as first_na5_3_0_, user1_.last_name as last_nam6_3_0_, user1_.password as password7_3_0_, user1_.reset_password as reset_pa8_3_0_, user1_.roles as roles9_3_0_, user1_.updated as updated10_3_0_, user1_.username as usernam11_3_0_ from player player0_ left outer join user user1_ on player0_.player=user1_.id where player0_.player=?]; nested exception is org.hibernate.exception.SQLGrammarException: could not prepare statement
用户实体：
package nirvanacw.de.demo.user;
import nirvanacw.de.demo.player.Player;
import org.hibernate.annotations.GenericGenerator;
import javax.persistence.*;
import javax.validation.constraints.Email;
import java.time.ZonedDateTime;
import java.util.Objects;
@Entity
@Table(name = "user")
public class User {
@Id
@GeneratedValue(strategy = GenerationType.AUTO, generator = "native")
@GenericGenerator(name = "native", strategy = "native")
@Column(name = "id", updatable = false, nullable = false)
private Long id;
@Email
@Column(name = "email")
private String email;
@Column(name ="username")
private String username;
@Column(name ="password")
private String password;
@Column(name ="first_name")
private String firstName;
@Column(name ="last_name")
private String lastName;
@OneToOne(mappedBy = "user", cascade = CascadeType.ALL, fetch = FetchType.LAZY)
private Player player;
@Column(name ="reset_password")
private boolean resetPassword;
@Column(name ="roles")
private String roles;
@Column(name ="active")
private boolean active;
@Column(name = "created")
private ZonedDateTime created;
@Column(name = "updated")
private ZonedDateTime updated;
public Long getId() {
return id;
}
public void setId(Long id) {
this.id = id;
}
public String getEmail() {
return email;
}
public void setEmail(String email) {
this.email = email;
}
public String getUsername() {
return username;
}
public void setUsername(String username) {
this.username = username;
}
public String getFirstName() {
return firstName;
}
public void setFirstName(String firstName) {
this.firstName = firstName;
}
public String getLastName() {
return lastName;
}
public void setLastName(String lastName) {
this.lastName = lastName;
}
public boolean isResetPassword() {
return resetPassword;
}
public void setResetPassword(boolean resetPassword) {
this.resetPassword = resetPassword;
}
public String getPassword() {
return password;
}
public void setPassword(String password) {
this.password = password;
}
public String getRoles() {
return roles;
}
public void setRoles(String roles) {
this.roles = roles;
}
public boolean getActive() {
return active;
}
public void setActive(boolean active) {
this.active = active;
}
public Player getPlayer() {
return player;
}
public void setPlayer(Player player) {
this.player = player;
}
@PrePersist
public void onPrePersist() {
this.created = ZonedDateTime.now();
}
@PreUpdate
public void onPreUpdate() {
this.updated = ZonedDateTime.now();
}
@Override
public String toString() {
return "User{" +
"id=" + id +
", email='" + email + '\'' +
", username='" + username + '\'' +
", firstName='" + firstName + '\'' +
", lastName='" + lastName + '\'' +
", player=" + player +
", resetPassword=" + resetPassword +
", roles='" + roles + '\'' +
", active=" + active +
", created=" + created +
", updated=" + updated +
'}';
}
@Override
public boolean equals(Object o) {
if (this == o) return true;
if (o == null || getClass() != o.getClass()) return false;
User user = (User) o;
return resetPassword == user.resetPassword &&
active == user.active &&
Objects.equals(id, user.id) &&
Objects.equals(email, user.email) &&
Objects.equals(username, user.username) &&
Objects.equals(password, user.password) &&
Objects.equals(firstName, user.firstName) &&
Objects.equals(lastName, user.lastName) &&
Objects.equals(player, user.player) &&
Objects.equals(roles, user.roles) &&
Objects.equals(created, user.created) &&
Objects.equals(updated, user.updated);
}
@Override
public int hashCode() {
return Objects.hash(id, email, username, password, firstName, lastName, player, resetPassword, roles, active, created, updated);
}
}
玩家实体：
import java.sql.Timestamp;
import java.util.Objects;
import java.util.UUID;
@Entity
@Table(name = "player")
public class Player {
@Id
@GeneratedValue(strategy = GenerationType.AUTO, generator = "native")
@GenericGenerator(name = "native", strategy = "native")
@Column(name = "id", updatable = false, nullable = false)
private Long id;
@Column(name = "uuid")
private UUID uuid;
@OneToOne
@JoinColumn(name = "player")
private User user;
@Length(max = 16)
@Column(name = "player_name")
private String userName;
@Column(name = "banned")
private boolean banned;
@Column(name = "first_joined")
private Timestamp firstJoined;
@Column(name = "last_joined")
private Timestamp lastJoined;
@Column(name = "ip_address")
private String ipAddress;
public Long getId() {
return id;
}
public void setId(Long id) {
this.id = id;
}
public UUID getUuid() {
return uuid;
}
public void setUuid(UUID uuid) {
this.uuid = uuid;
}
public User getUser() {
return user;
}
public void setUser(User user) {
this.user = user;
}
public String getUserName() {
return userName;
}
public void setUserName(String userName) {
this.userName = userName;
}
public boolean isBanned() {
return banned;
}
public void setBanned(boolean banned) {
this.banned = banned;
}
public Timestamp getFirstJoined() {
return firstJoined;
}
public void setFirstJoined(Timestamp firstJoined) {
this.firstJoined = firstJoined;
}
public Timestamp getLastJoined() {
return lastJoined;
}
public void setLastJoined(Timestamp lastJoined) {
this.lastJoined = lastJoined;
}
public String getIpAddress() {
return ipAddress;
}
public void setIpAddress(String ipAddress) {
this.ipAddress = ipAddress;
}
@Override
public String toString() {
return "Player{" +
"id=" + id +
", uuid=" + uuid +
", user=" + user +
", userName='" + userName + '\'' +
", banned=" + banned +
", firstJoined=" + firstJoined +
", lastJoined=" + lastJoined +
", ipAddress='" + ipAddress + '\'' +
'}';
}
@Override
public boolean equals(Object o) {
if (this == o) return true;
if (o == null || getClass() != o.getClass()) return false;
Player player = (Player) o;
return banned == player.banned &&
Objects.equals(id, player.id) &&
Objects.equals(uuid, player.uuid) &&
Objects.equals(user, player.user) &&
Objects.equals(userName, player.userName) &&
Objects.equals(firstJoined, player.firstJoined) &&
Objects.equals(lastJoined, player.lastJoined) &&
Objects.equals(ipAddress, player.ipAddress);
}
@Override
public int hashCode() {
return Objects.hash(id, uuid, user, userName, banned, firstJoined, lastJoined, ipAddress);
}
}
Flyway 用户：
Create TABLE user(
id bigint NOT NULL AUTO_INCREMENT,
email character varying(256),
username character varying(256),
password character varying(256),
reset_password boolean,
first_name character varying(50),
last_name character varying(50),
gender character varying(10),
player_id character varying(17),
active boolean,
roles character varying(40),
created TIMESTAMP,
updated TIMESTAMP,
CONSTRAINT PK_account_account_id PRIMARY KEY (id)
);
玩家迁徙路线：
CREATE TABLE player(
id bigint NOT NULL AUTO_INCREMENT,
uuid char(36) NOT NULL,
player_name character varying (16),
user_id bigint,
banned boolean,
first_joined timestamp,
last_joined timestamp,
ip_address character varying (15),
CONSTRAINT PK_player_player_id PRIMARY KEY (id),
CONSTRAINT FK_player_user_id_user_id FOREIGN KEY (user_id) REFERENCES user(id)
);
错误很明显
Column "player0_.player" not found;
玩家table没有玩家栏
错误在这里：
@OneToOne
@JoinColumn(name = "player")
private User user;
更改为：
@OneToOne
@JoinColumn(name = "user_id")
private User user;
这是与用户建立连接的列。
作为一项建议，JPA 实现有配置参数来验证实体的正确建模而不需要查询，了解如何使用您选择的实现激活它。
大家好提前我尝试登录“用户”时遇到一对一连接问题我收到此错误
我需要的是不必持久的一对一连接，这意味着用户可以拥有播放器但不一定必须拥有它，反之亦然
因为在我的例子中，Minecraft 服务器应该填充播放器 table 并且网站填充用户以便他们可以连接。
2020-07-27 23:06:12,537 DEBUG [http-nio-8080-exec-2] nirvanacw.de.demo.user.UserServiceImpl: --> getUserByEmail email=Test@gmx.de
2020-07-27 23:06:12,550 WARN [http-nio-8080-exec-2] org.hibernate.engine.jdbc.spi.SqlExceptionHelper: SQL Error: 42122, SQLState: 42S22
2020-07-27 23:06:12,550 ERROR [http-nio-8080-exec-2] org.hibernate.engine.jdbc.spi.SqlExceptionHelper: Feld "player0_.player" nicht gefunden
Column "player0_.player" not found; SQL statement:
select player0_.id as id1_2_1_, player0_.banned as banned2_2_1_, player0_.first_joined as first_jo3_2_1_, player0_.ip_address as ip_addre4_2_1_, player0_.last_joined as last_joi5_2_1_, player0_.player as player8_2_1_, player0_.player_name as player_n6_2_1_, player0_.uuid as uuid7_2_1_, user1_.id as id1_3_0_, user1_.active as active2_3_0_, user1_.created as created3_3_0_, user1_.email as email4_3_0_, user1_.first_name as first_na5_3_0_, user1_.last_name as last_nam6_3_0_, user1_.password as password7_3_0_, user1_.reset_password as reset_pa8_3_0_, user1_.roles as roles9_3_0_, user1_.updated as updated10_3_0_, user1_.username as usernam11_3_0_ from player player0_ left outer join user user1_ on player0_.player=user1_.id where player0_.player=? [42122-200]
2020-07-27 23:06:12,558 ERROR [http-nio-8080-exec-2] org.springframework.security.oauth2.provider.endpoint.TokenEndpoint: Handling error: InternalAuthenticationServiceException, could not prepare statement; SQL [select player0_.id as id1_2_1_, player0_.banned as banned2_2_1_, player0_.first_joined as first_jo3_2_1_, player0_.ip_address as ip_addre4_2_1_, player0_.last_joined as last_joi5_2_1_, player0_.player as player8_2_1_, player0_.player_name as player_n6_2_1_, player0_.uuid as uuid7_2_1_, user1_.id as id1_3_0_, user1_.active as active2_3_0_, user1_.created as created3_3_0_, user1_.email as email4_3_0_, user1_.first_name as first_na5_3_0_, user1_.last_name as last_nam6_3_0_, user1_.password as password7_3_0_, user1_.reset_password as reset_pa8_3_0_, user1_.roles as roles9_3_0_, user1_.updated as updated10_3_0_, user1_.username as usernam11_3_0_ from player player0_ left outer join user user1_ on player0_.player=user1_.id where player0_.player=?]; nested exception is org.hibernate.exception.SQLGrammarException: could not prepare statement
org.springframework.security.authentication.InternalAuthenticationServiceException: could not prepare statement; SQL [select player0_.id as id1_2_1_, player0_.banned as banned2_2_1_, player0_.first_joined as first_jo3_2_1_, player0_.ip_address as ip_addre4_2_1_, player0_.last_joined as last_joi5_2_1_, player0_.player as player8_2_1_, player0_.player_name as player_n6_2_1_, player0_.uuid as uuid7_2_1_, user1_.id as id1_3_0_, user1_.active as active2_3_0_, user1_.created as created3_3_0_, user1_.email as email4_3_0_, user1_.first_name as first_na5_3_0_, user1_.last_name as last_nam6_3_0_, user1_.password as password7_3_0_, user1_.reset_password as reset_pa8_3_0_, user1_.roles as roles9_3_0_, user1_.updated as updated10_3_0_, user1_.username as usernam11_3_0_ from player player0_ left outer join user user1_ on player0_.player=user1_.id where player0_.player=?]; nested exception is org.hibernate.exception.SQLGrammarException: could not prepare statement
用户实体：
package nirvanacw.de.demo.user;
import nirvanacw.de.demo.player.Player;
import org.hibernate.annotations.GenericGenerator;
import javax.persistence.*;
import javax.validation.constraints.Email;
import java.time.ZonedDateTime;
import java.util.Objects;
@Entity
@Table(name = "user")
public class User {
@Id
@GeneratedValue(strategy = GenerationType.AUTO, generator = "native")
@GenericGenerator(name = "native", strategy = "native")
@Column(name = "id", updatable = false, nullable = false)
private Long id;
@Email
@Column(name = "email")
private String email;
@Column(name ="username")
private String username;
@Column(name ="password")
private String password;
@Column(name ="first_name")
private String firstName;
@Column(name ="last_name")
private String lastName;
@OneToOne(mappedBy = "user", cascade = CascadeType.ALL, fetch = FetchType.LAZY)
private Player player;
@Column(name ="reset_password")
private boolean resetPassword;
@Column(name ="roles")
private String roles;
@Column(name ="active")
private boolean active;
@Column(name = "created")
private ZonedDateTime created;
@Column(name = "updated")
private ZonedDateTime updated;
public Long getId() {
return id;
}
public void setId(Long id) {
this.id = id;
}
public String getEmail() {
return email;
}
public void setEmail(String email) {
this.email = email;
}
public String getUsername() {
return username;
}
public void setUsername(String username) {
this.username = username;
}
public String getFirstName() {
return firstName;
}
public void setFirstName(String firstName) {
this.firstName = firstName;
}
public String getLastName() {
return lastName;
}
public void setLastName(String lastName) {
this.lastName = lastName;
}
public boolean isResetPassword() {
return resetPassword;
}
public void setResetPassword(boolean resetPassword) {
this.resetPassword = resetPassword;
}
public String getPassword() {
return password;
}
public void setPassword(String password) {
this.password = password;
}
public String getRoles() {
return roles;
}
public void setRoles(String roles) {
this.roles = roles;
}
public boolean getActive() {
return active;
}
public void setActive(boolean active) {
this.active = active;
}
public Player getPlayer() {
return player;
}
public void setPlayer(Player player) {
this.player = player;
}
@PrePersist
public void onPrePersist() {
this.created = ZonedDateTime.now();
}
@PreUpdate
public void onPreUpdate() {
this.updated = ZonedDateTime.now();
}
@Override
public String toString() {
return "User{" +
"id=" + id +
", email='" + email + '\'' +
", username='" + username + '\'' +
", firstName='" + firstName + '\'' +
", lastName='" + lastName + '\'' +
", player=" + player +
", resetPassword=" + resetPassword +
", roles='" + roles + '\'' +
", active=" + active +
", created=" + created +
", updated=" + updated +
'}';
}
@Override
public boolean equals(Object o) {
if (this == o) return true;
if (o == null || getClass() != o.getClass()) return false;
User user = (User) o;
return resetPassword == user.resetPassword &&
active == user.active &&
Objects.equals(id, user.id) &&
Objects.equals(email, user.email) &&
Objects.equals(username, user.username) &&
Objects.equals(password, user.password) &&
Objects.equals(firstName, user.firstName) &&
Objects.equals(lastName, user.lastName) &&
Objects.equals(player, user.player) &&
Objects.equals(roles, user.roles) &&
Objects.equals(created, user.created) &&
Objects.equals(updated, user.updated);
}
@Override
public int hashCode() {
return Objects.hash(id, email, username, password, firstName, lastName, player, resetPassword, roles, active, created, updated);
}
}
玩家实体：
import java.sql.Timestamp;
import java.util.Objects;
import java.util.UUID;
@Entity
@Table(name = "player")
public class Player {
@Id
@GeneratedValue(strategy = GenerationType.AUTO, generator = "native")
@GenericGenerator(name = "native", strategy = "native")
@Column(name = "id", updatable = false, nullable = false)
private Long id;
@Column(name = "uuid")
private UUID uuid;
@OneToOne
@JoinColumn(name = "player")
private User user;
@Length(max = 16)
@Column(name = "player_name")
private String userName;
@Column(name = "banned")
private boolean banned;
@Column(name = "first_joined")
private Timestamp firstJoined;
@Column(name = "last_joined")
private Timestamp lastJoined;
@Column(name = "ip_address")
private String ipAddress;
public Long getId() {
return id;
}
public void setId(Long id) {
this.id = id;
}
public UUID getUuid() {
return uuid;
}
public void setUuid(UUID uuid) {
this.uuid = uuid;
}
public User getUser() {
return user;
}
public void setUser(User user) {
this.user = user;
}
public String getUserName() {
return userName;
}
public void setUserName(String userName) {
this.userName = userName;
}
public boolean isBanned() {
return banned;
}
public void setBanned(boolean banned) {
this.banned = banned;
}
public Timestamp getFirstJoined() {
return firstJoined;
}
public void setFirstJoined(Timestamp firstJoined) {
this.firstJoined = firstJoined;
}
public Timestamp getLastJoined() {
return lastJoined;
}
public void setLastJoined(Timestamp lastJoined) {
this.lastJoined = lastJoined;
}
public String getIpAddress() {
return ipAddress;
}
public void setIpAddress(String ipAddress) {
this.ipAddress = ipAddress;
}
@Override
public String toString() {
return "Player{" +
"id=" + id +
", uuid=" + uuid +
", user=" + user +
", userName='" + userName + '\'' +
", banned=" + banned +
", firstJoined=" + firstJoined +
", lastJoined=" + lastJoined +
", ipAddress='" + ipAddress + '\'' +
'}';
}
@Override
public boolean equals(Object o) {
if (this == o) return true;
if (o == null || getClass() != o.getClass()) return false;
Player player = (Player) o;
return banned == player.banned &&
Objects.equals(id, player.id) &&
Objects.equals(uuid, player.uuid) &&
Objects.equals(user, player.user) &&
Objects.equals(userName, player.userName) &&
Objects.equals(firstJoined, player.firstJoined) &&
Objects.equals(lastJoined, player.lastJoined) &&
Objects.equals(ipAddress, player.ipAddress);
}
@Override
public int hashCode() {
return Objects.hash(id, uuid, user, userName, banned, firstJoined, lastJoined, ipAddress);
}
}
Flyway 用户：
Create TABLE user(
id bigint NOT NULL AUTO_INCREMENT,
email character varying(256),
username character varying(256),
password character varying(256),
reset_password boolean,
first_name character varying(50),
last_name character varying(50),
gender character varying(10),
player_id character varying(17),
active boolean,
roles character varying(40),
created TIMESTAMP,
updated TIMESTAMP,
CONSTRAINT PK_account_account_id PRIMARY KEY (id)
);
玩家迁徙路线：
CREATE TABLE player(
id bigint NOT NULL AUTO_INCREMENT,
uuid char(36) NOT NULL,
player_name character varying (16),
user_id bigint,
banned boolean,
first_joined timestamp,
last_joined timestamp,
ip_address character varying (15),
CONSTRAINT PK_player_player_id PRIMARY KEY (id),
CONSTRAINT FK_player_user_id_user_id FOREIGN KEY (user_id) REFERENCES user(id)
);
错误很明显
Column "player0_.player" not found;
玩家table没有玩家栏
错误在这里：
@OneToOne
@JoinColumn(name = "player")
private User user;
更改为：
@OneToOne
@JoinColumn(name = "user_id")
private User user;
这是与用户建立连接的列。
作为一项建议，JPA 实现有配置参数来验证实体的正确建模而不需要查询，了解如何使用您选择的实现激活它。