[#OPENJPA-202] after invoking LRS processing in a client by calling an @LRS annotated relationship, the next em.clear()/em.close() gets org.apache.openjpa.persistence.InvalidStateException: You cannot transfer large result set fields from one object or field to another

OpenJPA

after invoking LRS processing in a client by calling an @LRS annotated relationship, the next em.clear()/em.close() gets org.apache.openjpa.persistence.InvalidStateException: You cannot transfer large result set fields from one object or field to another

Created: 05/Apr/07 12:56 AM Updated: 06/Apr/07 07:38 PM

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Component/s:

kernel

Affects Version/s:

0.9.7

Fix Version/s:

0.9.7

Time Tracking:

Not Specified

File Attachments:

	File Name	Date Attached	Attached By	Size
	lrsBugWineryTest.zip	2007-04-05 12:57 AM	George Hongell	29 kB

Environment:

0.9.7-incubating-SNAPSHOT

Resolution Date:

06/Apr/07 07:19 PM

Description

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after invoking LRS processing in a client by calling an @LRS annotated relationship, the next em.clear()/em.close() gets org.apache.openjpa.persistence.InvalidStateException: You cannot transfer large result set fields from one object or field to another

<4|false|0.9.7-incubating-SNAPSHOT> org.apache.openjpa.persistence.InvalidStateException: You cannot transfer large result set fields from one object or field to another.
at org.apache.openjpa.util.AbstractLRSProxyCollection.setOwner(AbstractLRSProxyCollection.java:77)
at org.apache.openjpa.kernel.DetachManager$DetachFieldManager.reproxy(DetachManager.java:523)
at org.apache.openjpa.kernel.DetachManager.detachInternal(DetachManager.java:431)
at org.apache.openjpa.kernel.DetachManager.detachAll(DetachManager.java:299)
at org.apache.openjpa.kernel.BrokerImpl.detachAllInternal(BrokerImpl.java:3150)
at org.apache.openjpa.kernel.BrokerImpl.detachAll(BrokerImpl.java:3123)
at org.apache.openjpa.kernel.DelegatingBroker.detachAll(DelegatingBroker.java:1136)
at org.apache.openjpa.persistence.EntityManagerImpl.clear(EntityManagerImpl.java:868)
at com.ibm.websphere.ejb3sample.winetour.bug.BugWineryTest.testLargeResultSetAnnotation(BugWineryTest.java:902)
at com.ibm.websphere.ejb3sample.winetour.bug.BugWineryTest.main(BugWineryTest.java:146)

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George Hongell added a comment - 05/Apr/07 12:57 AM

run main method to get error

George Hongell made changes - 05/Apr/07 12:57 AM

Field	Original Value	New Value
Attachment		lrsBugWineryTest.zip [ 12354968 ]

Repository	Revision	Date	User	Message
ASF	#526253	Fri Apr 06 19:17:44 UTC 2007	awhite	~~OPENJPA-202~~ : Don't detach LRS fields.
				Files Changed
				ADD /incubator/openjpa/trunk/openjpa-persistence-jdbc/src/test/java/org/apache/openjpa/persistence/relations/TestLRS.java MODIFY /incubator/openjpa/trunk/openjpa-kernel/src/main/java/org/apache/openjpa/kernel/DetachManager.java MODIFY /incubator/openjpa/trunk/openjpa-kernel/src/main/resources/org/apache/openjpa/kernel/localizer.properties ADD /incubator/openjpa/trunk/openjpa-persistence-jdbc/src/test/java/org/apache/openjpa/persistence/relations/LRSEntity.java

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Abe White added a comment - 06/Apr/07 07:19 PM

Changed detach process to never detach LRS fields. In the future we might consider enhancements like detaching write-only proxies for LRS fields. The only way to fully detach an LRS field, though, would be to read it all into memory, which would defeat the purpose. Fixed in revision 526253.

Abe White made changes - 06/Apr/07 07:19 PM

Fix Version/s		0.9.7 [ 12312340 ]
Resolution		Fixed [ 1 ]
Status	Open [ 1 ]	Resolved [ 5 ]

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Patrick Linskey added a comment - 06/Apr/07 07:38 PM

Another possibility would be to detach the field if it is explicitly included in the fetch configuration, either directly or via a fetch group that contains it. That would let people get the data if they were willing to pay the price.