@Strategy triggers an InvalidStateException for fields which are declared as
Java interfaces
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Key: OPENJPA-1569
URL: https://issues.apache.org/jira/browse/OPENJPA-1569
Project: OpenJPA
Issue Type: Bug
Affects Versions: 2.0.0-beta2
Environment: MacOS X, Spring 3.0, Maven
Reporter: Jerry Carter
The @Strategy annotation works fine for classes but does not work if the field
is a Java interface. Consider:
@Persistent
@Strategy("SimpleHandler")
@Column(name="address_packed")
private BaseAddress address;
public BaseAddress getAddress() { return address; }
public void setAddress(BaseAddress address) { this.address = address; }
This works perfectly if BaseAddress is defined as a class but results in an
InvalidStateException if it is an interface:
<openjpa-2.0.0-beta2-rexported fatal user error>
org.apache.openjpa.persistence.InvalidStateException: Encountered unmanaged
object in persistent field "com.example.SimpleEntity.address" during flush.
However, this field does not allow cascade persist. Set the cascade attribute
for this field to CascadeType.PERSIST or CascadeType.ALL (JPA annotations) or
"persist" or "all" (JPA orm.xml), or enable cascade-persist globally, or
manually persist the related field value prior to flushing. You cannot flush
unmanaged objects or graphs that have persistent associations to unmanaged
objects.
FailedObject: com.example.usaddr...@4e0a39de
at
org.apache.openjpa.kernel.SingleFieldManager.preFlushPC(SingleFieldManager.java:767)
at
org.apache.openjpa.kernel.SingleFieldManager.preFlush(SingleFieldManager.java:614)
at
org.apache.openjpa.kernel.SingleFieldManager.preFlush(SingleFieldManager.java:575)
at
org.apache.openjpa.kernel.SingleFieldManager.preFlush(SingleFieldManager.java:491)
at
org.apache.openjpa.kernel.StateManagerImpl.preFlush(StateManagerImpl.java:2956)
at org.apache.openjpa.kernel.PNewState.beforeFlush(PNewState.java:40)
at
org.apache.openjpa.kernel.StateManagerImpl.beforeFlush(StateManagerImpl.java:1048)
at org.apache.openjpa.kernel.BrokerImpl.flush(BrokerImpl.java:2051)
at org.apache.openjpa.kernel.BrokerImpl.flushSafe(BrokerImpl.java:2011)
at org.apache.openjpa.kernel.BrokerImpl.flush(BrokerImpl.java:1782)
at
org.apache.openjpa.kernel.DelegatingBroker.flush(DelegatingBroker.java:1015)
at
org.apache.openjpa.persistence.EntityManagerImpl.flush(EntityManagerImpl.java:637)
... etc ...
Here com.example.USAddress is a class which implements the BaseAddress
interface.
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