Доброго всем времени!
Вот мой ORM:
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<package>com.bs.amg.test</package>
<access>PROPERTY</access>
<sequence-generator name="PK_FILES" sequence-name="FILES_ID_SEQ" allocation-size="1" initial-value="1" />
<sequence-generator name="PK_COLUMNS" sequence-name="COLUMNS_ID_SEQ" allocation-size="1" initial-value="1" />
<entity class="com.bs.amg.test.File" name="File" metadata-complete="false">
<table name="FILES"/>
<attributes>
<id name="id">
<column name="ID" nullable="false"/>
<generated-value strategy="SEQUENCE" generator="PK_FILES" />
</id>
<basic name="URI" optional="true">
<column name="URI"/>
</basic>
<basic name="delimiter" optional="true">
<column name="DELIMITER"/>
</basic>
<basic name="title">
<column name="IS_TITLE"/>
</basic>
<basic name="colCount">
<column name="COL_COUNT"/>
</basic>
<one-to-many name="columns" mapped-by="file" target-entity="com.bs.amg.test.FileColumn" fetch="LAZY">
<cascade>
<cascade-refresh/>
</cascade>
</one-to-many>
</attributes>
</entity>
<entity class="com.bs.amg.test.FileColumn" name="FileColumn" metadata-complete="false">
<table name="COLUMNS"/>
<attributes>
<id name="id">
<column name="ID" nullable="false"/>
<generated-value strategy="SEQUENCE" generator="PK_COLUMNS"/>
</id>
<basic name="position" optional="true">
<column name="POSITION"/>
</basic>
<basic name="title" optional="true">
<column name="TITLE"/>
</basic>
<basic name="type" optional="true">
<column name="TYPE"/>
</basic>
<many-to-one name="file" optional="true" fetch="LAZY" target-entity="com.bs.amg.test.File">
<cascade>
<cascade-refresh/>
</cascade>
</many-to-one>
</attributes>
</entity>
Ошибка возникает, когда происходит вызов persistence():
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@PersistenceContext( unitName = "manager1")
EntityManager entityManager;
private File file;
private File save( File file ) throws IOException {
entityManager.persist( file );
return file;
}
public boolean createFile( String URI ) throws IOException {
file = File.getInstance( URI ); // происходит правильное заполнение полей File-а
file = save( file );
return true;
}
Вот самая первая (нижайшая по логу) причина:
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Caused by: org.hibernate.PersistentObjectException: detached entity passed to persist: com.bs.amg.test.persistence.File
at org.hibernate.event.internal.DefaultPersistEventListener.onPersist(DefaultPersistEventListener.java:141) [hibernate-core-4.0.1.Final.jar:4.0.1.Final]
at org.hibernate.event.internal.DefaultPersistEventListener.onPersist(DefaultPersistEventListener.java:78) [hibernate-core-4.0.1.Final.jar:4.0.1.Final]
at org.hibernate.internal.SessionImpl.firePersist(SessionImpl.java:725) [hibernate-core-4.0.1.Final.jar:4.0.1.Final]
at org.hibernate.internal.SessionImpl.persist(SessionImpl.java:701) [hibernate-core-4.0.1.Final.jar:4.0.1.Final]
at org.hibernate.internal.SessionImpl.persist(SessionImpl.java:705) [hibernate-core-4.0.1.Final.jar:4.0.1.Final]
at org.hibernate.ejb.AbstractEntityManagerImpl.persist(AbstractEntityManagerImpl.java:853) [hibernate-entitymanager-4.0.1.Final.jar:4.0.1.Final]
... 60 more
говорят, что неправильная инициализация при связях между зависимостями (OneToMany) между классами (в моем случае File и FileColumn). А
ниже - про transient и detached объекты.... А что то не понял в чем ошибка...
