質問編集履歴
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import javax.persistence.Entity;
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import javax.persistence.FetchType;
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import javax.persistence.GeneratedValue;
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import javax.persistence.Id;
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import javax.persistence.JoinColumn;
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import javax.persistence.ManyToOne;
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import javax.persistence.Table;
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import lombok.AllArgsConstructor;
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import lombok.Data;
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import lombok.NoArgsConstructor;
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@Data //getterメソッド・setterメソッドをコード上に直接書かなくて済む
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@NoArgsConstructor
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@AllArgsConstructor
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@Entity //JPAに管理してもらう
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@Table(name = "users") //接続するテーブルを指定
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public class User {
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@Id //変数idをプライマリーキーに指定
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@GeneratedValue //自動採番される
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private Integer userId;
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private String mail;
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private String pass;
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@ManyToOne(fetch = FetchType.LAZY) //Usersとprofileを1対多の関係にするため@OneToManyをつけるcascade = CascadeType.ALLを設定することでUserの操作をprofileにも伝播できる
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@JoinColumn(nullable = true, name = "userId")
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private Profile profile;
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}
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```
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Profile
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```java
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//profileテーブルとマッピングさせる
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package com.example.konkatsu.domain;
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import java.sql.Date;
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import java.util.List;
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import javax.persistence.CascadeType;
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import javax.persistence.Entity;
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import javax.persistence.FetchType;
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import javax.persistence.Id;
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import javax.persistence.JoinColumn;
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import javax.persistence.Many
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import javax.persistence.OneToMany;
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import javax.persistence.Table;
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@@ -32,141 +110,175 @@
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import lombok.NoArgsConstructor;
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@Data //getterメソッド・setterメソッドをコード上に直接書かなくて済む
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import lombok.ToString;
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@Data
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@NoArgsConstructor //デフォルトコンストラクタも必要な場合
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@AllArgsConstructor //すべてのフィールドを引数に持つコンストラクタを自動生成
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@Entity //エンティティ（一単位として扱われるデータのまとまり）であることを示す。指定したクラス名がテーブルとマッピングされる
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@Table(name = "
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@Table(name = "profile") //接続するテーブルを指定
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@ToString(exclude = "users") //Userクラスには対応するProfileクラスのフィールドを追加
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public class
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public class Profile {
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@Id //
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@Id //主キー
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@GeneratedValue //自動採番される
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private Integer userId;
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private Integer genderId;
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private String name;
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private Date birthday;
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private Integer height;
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private Integer occupationId;
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private Integer income;
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private String text;
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private byte[] image;
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@OneToMany(cascade = CascadeType.ALL, fetch = FetchType.LAZY, mappedBy = "profile") //mappedBy属性に関連先でのプロパティ名を指定
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//@ManyToOne(fetch = FetchType.LAZY) //@ManyToOneで多対１の関係にする
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//@JoinColumn(nullable = true, name = "userId") //外部キーのカラム名の指定
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private List<User> users;
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}
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```
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Profile
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UsersとProfileを結合させて
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値を表示したいのですが
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次のようなエラー出てしまいます
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```java
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pa
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import
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org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'entityManagerFactory' defined in class path resource [org/springframework/boot/autoconfigure/orm/jpa/HibernateJpaAutoConfiguration.class]: Invocation of init method failed; nested exception is javax.persistence.PersistenceException: [PersistenceUnit: default] Unable to build Hibernate SessionFactory
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at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.initializeBean(AbstractAutowireCapableBeanFactory.java:1628) ~[spring-beans-4.3.9.RELEASE.jar:4.3.9.RELEASE]
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at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:555) ~[spring-beans-4.3.9.RELEASE.jar:4.3.9.RELEASE]
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at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:483) ~[spring-beans-4.3.9.RELEASE.jar:4.3.9.RELEASE]
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at org.springframework.beans.factory.support.AbstractBeanFactory$1.getObject(AbstractBeanFactory.java:306) ~[spring-beans-4.3.9.RELEASE.jar:4.3.9.RELEASE]
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at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:230) ~[spring-beans-4.3.9.RELEASE.jar:4.3.9.RELEASE]
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at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:302) ~[spring-beans-4.3.9.RELEASE.jar:4.3.9.RELEASE]
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at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:197) ~[spring-beans-4.3.9.RELEASE.jar:4.3.9.RELEASE]
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at org.springframework.context.support.AbstractApplicationContext.getBean(AbstractApplicationContext.java:1078) ~[spring-context-4.3.9.RELEASE.jar:4.3.9.RELEASE]
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at org.springframework.context.support.AbstractApplicationContext.finishBeanFactoryInitialization(AbstractApplicationContext.java:857) ~[spring-context-4.3.9.RELEASE.jar:4.3.9.RELEASE]
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at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:543) ~[spring-context-4.3.9.RELEASE.jar:4.3.9.RELEASE]
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at org.springframework.boot.context.embedded.EmbeddedWebApplicationContext.refresh(EmbeddedWebApplicationContext.java:122) ~[spring-boot-1.5.4.RELEASE.jar:1.5.4.RELEASE]
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at org.springframework.boot.SpringApplication.refresh(SpringApplication.java:693) [spring-boot-1.5.4.RELEASE.jar:1.5.4.RELEASE]
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at org.springframework.boot.SpringApplication.refreshContext(SpringApplication.java:360) [spring-boot-1.5.4.RELEASE.jar:1.5.4.RELEASE]
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at org.springframework.boot.SpringApplication.run(SpringApplication.java:303) [spring-boot-1.5.4.RELEASE.jar:1.5.4.RELEASE]
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at org.springframework.boot.SpringApplication.run(SpringApplication.java:1118) [spring-boot-1.5.4.RELEASE.jar:1.5.4.RELEASE]
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at org.springframework.boot.SpringApplication.run(SpringApplication.java:1107) [spring-boot-1.5.4.RELEASE.jar:1.5.4.RELEASE]
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230
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at com.example.konkatsu.KonkatsuApplication.main(KonkatsuApplication.java:10) [classes/:na]
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at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[na:1.8.0_121]
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at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[na:1.8.0_121]
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at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[na:1.8.0_121]
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at java.lang.reflect.Method.invoke(Method.java:498) ~[na:1.8.0_121]
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at org.springframework.boot.devtools.restart.RestartLauncher.run(RestartLauncher.java:49) [spring-boot-devtools-1.5.4.RELEASE.jar:1.5.4.RELEASE]
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Caused by: javax.persistence.PersistenceException: [PersistenceUnit: default] Unable to build Hibernate SessionFactory
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at org.hibernate.jpa.boot.internal.EntityManagerFactoryBuilderImpl.persistenceException(EntityManagerFactoryBuilderImpl.java:954) ~[hibernate-entitymanager-5.0.12.Final.jar:5.0.12.Final]
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at org.hibernate.jpa.boot.internal.EntityManagerFactoryBuilderImpl.build(EntityManagerFactoryBuilderImpl.java:882) ~[hibernate-entitymanager-5.0.12.Final.jar:5.0.12.Final]
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248
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at org.springframework.orm.jpa.vendor.SpringHibernateJpaPersistenceProvider.createContainerEntityManagerFactory(SpringHibernateJpaPersistenceProvider.java:60) ~[spring-orm-4.3.9.RELEASE.jar:4.3.9.RELEASE]
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at org.springframework.orm.jpa.LocalContainerEntityManagerFactoryBean.createNativeEntityManagerFactory(LocalContainerEntityManagerFactoryBean.java:353) ~[spring-orm-4.3.9.RELEASE.jar:4.3.9.RELEASE]
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252
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253
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at org.springframework.orm.jpa.AbstractEntityManagerFactoryBean.buildNativeEntityManagerFactory(AbstractEntityManagerFactoryBean.java:370) ~[spring-orm-4.3.9.RELEASE.jar:4.3.9.RELEASE]
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254
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at org.springframework.orm.jpa.AbstractEntityManagerFactoryBean.afterPropertiesSet(AbstractEntityManagerFactoryBean.java:359) ~[spring-orm-4.3.9.RELEASE.jar:4.3.9.RELEASE]
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|
+
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.invokeInitMethods(AbstractAutowireCapableBeanFactory.java:1687) ~[spring-beans-4.3.9.RELEASE.jar:4.3.9.RELEASE]
|
|
258
|
+
|
|
259
|
+
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.initializeBean(AbstractAutowireCapableBeanFactory.java:1624) ~[spring-beans-4.3.9.RELEASE.jar:4.3.9.RELEASE]
|
|
260
|
+
|
|
261
|
+
... 21 common frames omitted
|
|
262
|
+
|
|
263
|
+
Caused by: org.hibernate.MappingException: Repeated column in mapping for entity: com.example.konkatsu.domain.User column: user_id (should be mapped with insert="false" update="false")
|
|
264
|
+
|
|
265
|
+
at org.hibernate.mapping.PersistentClass.checkColumnDuplication(PersistentClass.java:830) ~[hibernate-core-5.0.12.Final.jar:5.0.12.Final]
|
|
266
|
+
|
|
267
|
+
at org.hibernate.mapping.PersistentClass.checkPropertyColumnDuplication(PersistentClass.java:848) ~[hibernate-core-5.0.12.Final.jar:5.0.12.Final]
|
|
268
|
+
|
|
269
|
+
at org.hibernate.mapping.PersistentClass.checkColumnDuplication(PersistentClass.java:870) ~[hibernate-core-5.0.12.Final.jar:5.0.12.Final]
|
|
270
|
+
|
|
271
|
+
at org.hibernate.mapping.PersistentClass.validate(PersistentClass.java:605) ~[hibernate-core-5.0.12.Final.jar:5.0.12.Final]
|
|
272
|
+
|
|
273
|
+
at org.hibernate.mapping.RootClass.validate(RootClass.java:265) ~[hibernate-core-5.0.12.Final.jar:5.0.12.Final]
|
|
274
|
+
|
|
275
|
+
at org.hibernate.boot.internal.MetadataImpl.validate(MetadataImpl.java:329) ~[hibernate-core-5.0.12.Final.jar:5.0.12.Final]
|
|
276
|
+
|
|
277
|
+
at org.hibernate.boot.internal.SessionFactoryBuilderImpl.build(SessionFactoryBuilderImpl.java:443) ~[hibernate-core-5.0.12.Final.jar:5.0.12.Final]
|
|
278
|
+
|
|
279
|
+
at org.hibernate.jpa.boot.internal.EntityManagerFactoryBuilderImpl.build(EntityManagerFactoryBuilderImpl.java:879) ~[hibernate-entitymanager-5.0.12.Final.jar:5.0.12.Final]
|
|
280
|
+
|
|
281
|
+
... 27 common frames omitted
|
|
170
282
|
|
|
171
283
|
|
|
172
284
|
|
|
@@ -176,30 +288,6 @@
|
|
|
176
288
|
|
|
177
289
|
|
|
178
290
|
|
|
179
|
-
|
|
180
|
-
|
|
181
|
-
|
|
182
|
-
|
|
183
|
-
UsersとProfileを結合させて
|
|
184
|
-
|
|
185
|
-
値を表示したいのですが
|
|
186
|
-
|
|
187
|
-
次のようなエラー出てしまいます
|
|
188
|
-
|
|
189
|
-
|
|
190
|
-
|
|
191
|
-
|
|
192
|
-
|
|
193
|
-
```java
|
|
194
|
-
|
|
195
|
-
org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'entityManagerFactory' defined in class path resource [org/springframework/boot/autoconfigure/orm/jpa/HibernateJpaAutoConfiguration.class]: Invocation of init method failed; nested exception is org.hibernate.AnnotationException: Illegal attempt to map a non collection as a @OneToMany, @ManyToMany or @CollectionOfElements: com.example.konkatsu.domain.Profile.user
|
|
196
|
-
|
|
197
|
-
```
|
|
198
|
-
|
|
199
|
-
|
|
200
|
-
|
|
201
|
-
|
|
202
|
-
|
|
203
291
|
|
|
204
292
|
|
|
205
293
|
どこを直せば良いのでしょうか？？
|