Oleg Lyalikov created OPENJPA-2528:
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Summary: EntityManager.find ClassCastException for wrong but
existing id
Key: OPENJPA-2528
URL: https://issues.apache.org/jira/browse/OPENJPA-2528
Project: OpenJPA
Issue Type: Bug
Components: kernel
Affects Versions: 2.2.2
Environment: Windows 7, jdk 1.7.0_45 64 bit
Reporter: Oleg Lyalikov
Attachments: openjpa-find-test.zip
I have base entity and 2 inheritors e.g. Person and Document.
If I try to find Person entity and provide id of the Document entity like
Person p = em.find(Person.class, document.getId());
I get
java.lang.ClassCastException: org.apache.openjpa.find.entities.Document
cannot be cast to org.apache.openjpa.find.entities.Person
at org.apache.openjpa.find.FindTest.testFind(FindTest.java:54)
but it should return either null or EntityNotFoundException.
If I provide just some wrong non existing id I get null.
The maven project with test is attached to the issue.
Original discussion:
http://openjpa.208410.n2.nabble.com/EntityManager-find-ClassCastException-for-wrong-but-existing-id-td7587085.html
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