ClassCastException during findBy when embeddable is involved
------------------------------------------------------------
Key: OPENJPA-1028
URL: https://issues.apache.org/jira/browse/OPENJPA-1028
Project: OpenJPA
Issue Type: Bug
Affects Versions: 2.0.0
Reporter: Fay Wang
Assignee: Fay Wang
Caused by: java.lang.ClassCastException: myFvt.EmbedA incompatible with
myFvt.EntityA
at myFvt.EntityB.pcReplaceField(EntityB.java)
at
org.apache.openjpa.kernel.StateManagerImpl.replaceField(StateManagerImpl.java:3083)
at
org.apache.openjpa.kernel.StateManagerImpl.storeObjectField(StateManagerImpl.java:2512)
at
org.apache.openjpa.kernel.StateManagerImpl.storeObject(StateManagerImpl.java:2502)
at
org.apache.openjpa.jdbc.kernel.JDBCStoreManager.setMappedBy(JDBCStoreManager.java:453)
at
org.apache.openjpa.jdbc.kernel.JDBCStoreManager.initializeState(JDBCStoreManager.java:384)
at
org.apache.openjpa.jdbc.kernel.JDBCStoreManager.initialize(JDBCStoreManager.java:289)
at
org.apache.openjpa.kernel.DelegatingStoreManager.initialize(DelegatingStoreManager.java:111)
at
org.apache.openjpa.kernel.ROPStoreManager.initialize(ROPStoreManager.java:57)
at org.apache.openjpa.kernel.BrokerImpl.initialize(BrokerImpl.java:995)
at org.apache.openjpa.kernel.BrokerImpl.find(BrokerImpl.java:953)
This ClassCastException occurred in the following test scenario:
(1)
@Entity
public class EntityA implements Serializable {
@Id
Integer id;
@Embedded
EmbedA embedA;
...
}
(2)
@Embeddable
public class EmbedA {
@OneToOne(mappedBy="a", fetch = FetchType.EAGER, cascade = CascadeType.ALL)
EntityB entityB;
...
}
(3)
@Entity
public class EntityB {
@Id
protected int id;
@OneToOne
private EntityA a;
...
}
(4) test case:
EntityManager em = emf.createEntityManager();
EntityA a = em.find(EntityA.class, 1);
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