マッピングされた属性を読み取ることができないHibernate/Envers

Question

ジョインテーブル（https://stackoverflow.com/a/7603036 & https://en.wikibooks.org/wiki/Java_Persistence/ManyToMany#Mapping_a_Join_Table_with_Additional_Columns）を使用して多対多リレーションシップを実装できません。それを再現しようとすると、永続ユニットはEntityManagerFactoryを構築できません。 Enversはマッピングされたby属性を読み込めないようですが、それは私にはよく見えます。私は間違って何をしていますか？余分な列（およびEnvers）と多対多の関係を実装する正しい方法は何ですか？

Product.java

@Entity 
@Audited 
public class Product extends UserModel { 
... 
    @OneToMany(mappedBy = "product", orphanRemoval = true, cascade = CascadeType.ALL, fetch = FetchType.EAGER) 
    public List<ProductForm> forms = new ArrayList<ProductForm>(); 
... 
} 

Form.java

@Entity 
@Audited 
public class Form extends UserModel { 
... 
    @OneToMany(mappedBy = "form", fetch = FetchType.LAZY) 
    public List<ProductForm> products = new ArrayList<ProductForm>(); 
... 
} 

ProductForm.java

@Entity 
@Table(name = "Product_Form") 
@IdClass(ProductForm.ProductFormId.class) 
public class ProductForm { 
    @Id 
    @JoinColumn(name = "product_id") 
    @ManyToOne 
    public Product product; 

    @Id 
    @JoinColumn(name = "form_id") 
    @ManyToOne 
    public Form form; 

    public ProductForm(Product product, Form form) { 
     this.product = product; 
     this.form = form; 
    } 

    @Embeddable 
    @SuppressWarnings("serial") 
    public class ProductFormId implements Serializable { 
     @Column(name = "product_id") 
     public Long product; 

     @Column(name = "form_id") 
     public Long form; 
    } 
} 

スタックトレース

play.api.UnexpectedException: Unexpected exception[PersistenceException: [PersistenceUnit: defaultPersistenceUnit] Unable to build EntityManagerFactory] 
    at play.core.ReloadableApplication$$anonfun$get$1$$anonfun$1.apply(ApplicationProvider.scala:142) ~[play_2.10-2.1.1.jar:2.1.1] 
    at play.core.ReloadableApplication$$anonfun$get$1$$anonfun$1.apply(ApplicationProvider.scala:106) ~[play_2.10-2.1.1.jar:2.1.1] 
    at scala.Option.map(Option.scala:145) ~[scala-library.jar:na] 
    at play.core.ReloadableApplication$$anonfun$get$1.apply(ApplicationProvider.scala:106) ~[play_2.10-2.1.1.jar:2.1.1] 
    at play.core.ReloadableApplication$$anonfun$get$1.apply(ApplicationProvider.scala:104) ~[play_2.10-2.1.1.jar:2.1.1] 
    at scala.util.Either$RightProjection.flatMap(Either.scala:523) [scala-library.jar:na] 
Caused by: javax.persistence.PersistenceException: [PersistenceUnit: defaultPersistenceUnit] Unable to build EntityManagerFactory 
    at org.hibernate.ejb.Ejb3Configuration.buildEntityManagerFactory(Ejb3Configuration.java:930) ~[hibernate-entitymanager-4.2.0.Final.jar:4.2.0.Final] 
    at org.hibernate.ejb.Ejb3Configuration.buildEntityManagerFactory(Ejb3Configuration.java:904) ~[hibernate-entitymanager-4.2.0.Final.jar:4.2.0.Final] 
    at org.hibernate.ejb.HibernatePersistence.createEntityManagerFactory(HibernatePersistence.java:72) ~[hibernate-entitymanager-4.2.0.Final.jar:4.2.0.Final] 
    at javax.persistence.Persistence.createEntityManagerFactory(Persistence.java:63) ~[hibernate-jpa-2.0-api-1.0.1.Final.jar:1.0.1.Final] 
    at javax.persistence.Persistence.createEntityManagerFactory(Persistence.java:47) ~[hibernate-jpa-2.0-api-1.0.1.Final.jar:1.0.1.Final] 
    at play.db.jpa.JPAPlugin.onStart(JPAPlugin.java:35) ~[play-java-jpa_2.10-2.1.1.jar:2.1.1] 
Caused by: org.hibernate.MappingException: Unable to read the mapped by attribute for products in models.ProductForm! 
    at org.hibernate.envers.configuration.metadata.CollectionMetadataGenerator.getMappedBy(CollectionMetadataGenerator.java:642) ~[hibernate-envers-4.2.0.Final.jar:4.2.0.Final] 
    at org.hibernate.envers.configuration.metadata.CollectionMetadataGenerator.addOneToManyAttached(CollectionMetadataGenerator.java:187) ~[hibernate-envers-4.2.0.Final.jar:4.2.0.Final] 
    at org.hibernate.envers.configuration.metadata.CollectionMetadataGenerator.addCollection(CollectionMetadataGenerator.java:169) ~[hibernate-envers-4.2.0.Final.jar:4.2.0.Final] 
    at org.hibernate.envers.configuration.metadata.AuditMetadataGenerator.addValueInSecondPass(AuditMetadataGenerator.java:223) ~[hibernate-envers-4.2.0.Final.jar:4.2.0.Final] 
    at org.hibernate.envers.configuration.metadata.AuditMetadataGenerator.addValue(AuditMetadataGenerator.java:245) ~[hibernate-envers-4.2.0.Final.jar:4.2.0.Final] 
    at org.hibernate.envers.configuration.metadata.AuditMetadataGenerator.addProperties(AuditMetadataGenerator.java:258) ~[hibernate-envers-4.2.0.Final.jar:4.2.0.Final] 

---

私は製品に@AuditMappedBy(mappedBy = "product")を追加しようとしましたPS：

play.api.UnexpectedException: Unexpected exception[PersistenceException: [PersistenceUnit: defaultPersistenceUnit] Unable to build EntityManagerFactory] 
    at play.core.ReloadableApplication$$anonfun$get$1$$anonfun$1.apply(ApplicationProvider.scala:142) ~[play_2.10-2.1.1.jar:2.1.1] 
    at play.core.ReloadableApplication$$anonfun$get$1$$anonfun$1.apply(ApplicationProvider.scala:106) ~[play_2.10-2.1.1.jar:2.1.1] 
    at scala.Option.map(Option.scala:145) ~[scala-library.jar:na] 
    at play.core.ReloadableApplication$$anonfun$get$1.apply(ApplicationProvider.scala:106) ~[play_2.10-2.1.1.jar:2.1.1] 
    at play.core.ReloadableApplication$$anonfun$get$1.apply(ApplicationProvider.scala:104) ~[play_2.10-2.1.1.jar:2.1.1] 
    at scala.util.Either$RightProjection.flatMap(Either.scala:523) [scala-library.jar:na] 
Caused by: javax.persistence.PersistenceException: [PersistenceUnit: defaultPersistenceUnit] Unable to build EntityManagerFactory 
    at org.hibernate.ejb.Ejb3Configuration.buildEntityManagerFactory(Ejb3Configuration.java:930) ~[hibernate-entitymanager-4.2.0.Final.jar:4.2.0.Final] 
    at org.hibernate.ejb.Ejb3Configuration.buildEntityManagerFactory(Ejb3Configuration.java:904) ~[hibernate-entitymanager-4.2.0.Final.jar:4.2.0.Final] 
    at org.hibernate.ejb.HibernatePersistence.createEntityManagerFactory(HibernatePersistence.java:72) ~[hibernate-entitymanager-4.2.0.Final.jar:4.2.0.Final] 
    at javax.persistence.Persistence.createEntityManagerFactory(Persistence.java:63) ~[hibernate-jpa-2.0-api-1.0.1.Final.jar:1.0.1.Final] 
    at javax.persistence.Persistence.createEntityManagerFactory(Persistence.java:47) ~[hibernate-jpa-2.0-api-1.0.1.Final.jar:1.0.1.Final] 
    at play.db.jpa.JPAPlugin.onStart(JPAPlugin.java:35) ~[play-java-jpa_2.10-2.1.1.jar:2.1.1] 
Caused by: org.hibernate.MappingException: @AuditMappedBy points to a property that doesn't exist: models.ProductForm.product 
    at org.hibernate.envers.configuration.ClassesAuditingData.forcePropertyInsertable(ClassesAuditingData.java:84) ~[hibernate-envers-4.2.0.Final.jar:4.2.0.Final] 
    at org.hibernate.envers.configuration.ClassesAuditingData.updateCalculatedFields(ClassesAuditingData.java:70) ~[hibernate-envers-4.2.0.Final.jar:4.2.0.Final] 
    at org.hibernate.envers.configuration.EntitiesConfigurator.configure(EntitiesConfigurator.java:85) ~[hibernate-envers-4.2.0.Final.jar:4.2.0.Final] 
    at org.hibernate.envers.configuration.AuditConfiguration.<init>(AuditConfiguration.java:114) ~[hibernate-envers-4.2.0.Final.jar:4.2.0.Final] 
    at org.hibernate.envers.configuration.AuditConfiguration.getFor(AuditConfiguration.java:164) ~[hibernate-envers-4.2.0.Final.jar:4.2.0.Final] 
    at org.hibernate.envers.event.EnversIntegrator.integrate(EnversIntegrator.java:64) ~[hibernate-envers-4.2.0.Final.jar:4.2.0.Final] 

---

編集

私はProductFormに@Auditedを追加すると、STIであります同じエラーが発生するでしょう、下は最新のスタックトレースです。

play.api.UnexpectedException: Unexpected exception[PersistenceException: [PersistenceUnit: defaultPersistenceUnit] Unable to build EntityManagerFactory] 
    at play.core.ReloadableApplication$$anonfun$get$1$$anonfun$1.apply(ApplicationProvider.scala:142) ~[play_2.10-2.1.1.jar:2.1.1] 
    at play.core.ReloadableApplication$$anonfun$get$1$$anonfun$1.apply(ApplicationProvider.scala:106) ~[play_2.10-2.1.1.jar:2.1.1] 
    at scala.Option.map(Option.scala:145) ~[scala-library.jar:na] 
    at play.core.ReloadableApplication$$anonfun$get$1.apply(ApplicationProvider.scala:106) ~[play_2.10-2.1.1.jar:2.1.1] 
    at play.core.ReloadableApplication$$anonfun$get$1.apply(ApplicationProvider.scala:104) ~[play_2.10-2.1.1.jar:2.1.1] 
    at scala.util.Either$RightProjection.flatMap(Either.scala:523) [scala-library.jar:na] 
Caused by: javax.persistence.PersistenceException: [PersistenceUnit: defaultPersistenceUnit] Unable to build EntityManagerFactory 
    at org.hibernate.ejb.Ejb3Configuration.buildEntityManagerFactory(Ejb3Configuration.java:930) ~[hibernate-entitymanager-4.2.0.Final.jar:4.2.0.Final] 
    at org.hibernate.ejb.Ejb3Configuration.buildEntityManagerFactory(Ejb3Configuration.java:904) ~[hibernate-entitymanager-4.2.0.Final.jar:4.2.0.Final] 
    at org.hibernate.ejb.HibernatePersistence.createEntityManagerFactory(HibernatePersistence.java:72) ~[hibernate-entitymanager-4.2.0.Final.jar:4.2.0.Final] 
    at javax.persistence.Persistence.createEntityManagerFactory(Persistence.java:63) ~[hibernate-jpa-2.0-api-1.0.1.Final.jar:1.0.1.Final] 
    at javax.persistence.Persistence.createEntityManagerFactory(Persistence.java:47) ~[hibernate-jpa-2.0-api-1.0.1.Final.jar:1.0.1.Final] 
    at play.db.jpa.JPAPlugin.onStart(JPAPlugin.java:35) ~[play-java-jpa_2.10-2.1.1.jar:2.1.1] 
Caused by: org.hibernate.MappingException: Unable to read the mapped by attribute for products in models.ProductForm! 
    at org.hibernate.envers.configuration.metadata.CollectionMetadataGenerator.getMappedBy(CollectionMetadataGenerator.java:642) ~[hibernate-envers-4.2.0.Final.jar:4.2.0.Final] 
    at org.hibernate.envers.configuration.metadata.CollectionMetadataGenerator.addOneToManyAttached(CollectionMetadataGenerator.java:187) ~[hibernate-envers-4.2.0.Final.jar:4.2.0.Final] 
    at org.hibernate.envers.configuration.metadata.CollectionMetadataGenerator.addCollection(CollectionMetadataGenerator.java:169) ~[hibernate-envers-4.2.0.Final.jar:4.2.0.Final] 
    at org.hibernate.envers.configuration.metadata.AuditMetadataGenerator.addValueInSecondPass(AuditMetadataGenerator.java:223) ~[hibernate-envers-4.2.0.Final.jar:4.2.0.Final] 
    at org.hibernate.envers.configuration.metadata.AuditMetadataGenerator.addValue(AuditMetadataGenerator.java:245) ~[hibernate-envers-4.2.0.Final.jar:4.2.0.Final] 
    at org.hibernate.envers.configuration.metadata.AuditMetadataGenerator.addProperties(AuditMetadataGenerator.java:258) ~[hibernate-envers-4.2.0.Final.jar:4.2.0.Final] 

Answer 1

Hibernateに関する限り、1対多の関連付けを持つ3つのエンティティがあります。

「参加」エンティティを監査するには、@AuditedをProductFormに追加します。

Answer 2

あなたがしようとしているのは、私が見た "アソシエーションエンティティ"です。私はそれらのいくつかを持っており、一般的には、それらの周りに多くのエッジケースがある傾向があるので、複合IDを使用しないことをお勧めします。

代わりに関連エンティティに独自のIDを与え、外部キーのペアに一意のインデックスを配置してから、関連する2つのエンティティの関連付けを追加します（これらのIDは除外します）。ここには抜粋した例があります：

@Entity 
class A { 
    @Id 
    private Integer aId; 

    @OneToMany(mappedBy="a") 
    private AtoB aToB; 
} 

@Entity 
class B { 
    @Id 
    private Integer bId; 

    @ManyToOne 
    @JoinColumn(name="b") 
    private AtoB aToB; 
} 

@Entity 
class AtoB { 

    @Id 
    private Integer aToBId; 

    @ManyToOne 
    @JoinColumn(name="aId") 
    private A a; 

    @OneToMany(mappedBy="aToB") 
    private B b; 
} 

これは意味がありますか？

Answer 3

問題がコンポジットキーに起因する場合は、できるだけ休止状態のバージョンを5.2.2に更新してください。このバグはこのバージョンで修正されているためです。

参照：https://hibernate.atlassian.net/browse/HHH-7625