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From "Jerry Carter (JIRA)" <>
Subject [jira] Updated: (OPENJPA-1569) @Strategy triggers an InvalidStateException for fields which are declared as Java interfaces
Date Thu, 25 Mar 2010 01:51:27 GMT


Jerry Carter updated OPENJPA-1569:

    Attachment: patch.txt

I've attached a patch for the proposed solution - switching to 'Serializable.class.isAssignableFrom(type)'.
 This addresses the issue and does not break any of the regression tests included with OpenJPA
2.0.0-beta3 or my own JPA tests.  I believe this change should be made for 2.0.0.

> @Strategy triggers an InvalidStateException for fields which are declared as Java interfaces
> --------------------------------------------------------------------------------------------
>                 Key: OPENJPA-1569
>                 URL:
>             Project: OpenJPA
>          Issue Type: Bug
>    Affects Versions: 2.0.0-beta2
>         Environment: MacOS X, Spring 3.0, Maven
>            Reporter: Jerry Carter
>            Priority: Minor
>         Attachments: patch.txt
> 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.USAddress@4e0a39de
> 	at org.apache.openjpa.kernel.SingleFieldManager.preFlushPC(
> 	at org.apache.openjpa.kernel.SingleFieldManager.preFlush(
> 	at org.apache.openjpa.kernel.SingleFieldManager.preFlush(
> 	at org.apache.openjpa.kernel.SingleFieldManager.preFlush(
> 	at org.apache.openjpa.kernel.StateManagerImpl.preFlush(
> 	at org.apache.openjpa.kernel.PNewState.beforeFlush(
> 	at org.apache.openjpa.kernel.StateManagerImpl.beforeFlush(
> 	at org.apache.openjpa.kernel.BrokerImpl.flush(
> 	at org.apache.openjpa.kernel.BrokerImpl.flushSafe(
> 	at org.apache.openjpa.kernel.BrokerImpl.flush(
> 	at org.apache.openjpa.kernel.DelegatingBroker.flush(
> 	at org.apache.openjpa.persistence.EntityManagerImpl.flush(
> 	... etc ...
> Here com.example.USAddress is a class which implements the BaseAddress interface.

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