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https://issues.apache.org/jira/browse/OPENJPA-536?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Amy Yang updated OPENJPA-536:
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Attachment: OPENJPA-536.patch
Modification of the patch:
1. use an internal LinkedList instead of involving a new class
2. add a private method addToBuffer() to MetaDataRepository to enable
MetaDataInheritanceComparator.compare() when adding to buffer
3. use default remove() of LinkedList
4. set the default value of InheritanceComparator._base to Object.class
5. add one test case testGetMetaData. delete 2 test methods from
TestMetaDataInheritanceComparator: testInheritanceComparatorWithoutBase() and
testMetaDataInheritanceComparatorWithoutBase().
Please help to review.
> getMetaData() causes OutOfMemoryError under some cases
> ------------------------------------------------------
>
> Key: OPENJPA-536
> URL: https://issues.apache.org/jira/browse/OPENJPA-536
> Project: OpenJPA
> Issue Type: Bug
> Components: jpa
> Affects Versions: 1.0.2, 1.0.3
> Environment: Sun JDK 5
> Reporter: Amy Yang
> Priority: Blocker
> Fix For: 1.1.0
>
> Attachments: 364202.patch, InheritanceComparator.diff,
> meta_testcase.zip, MetaDataRepository.diff, OPENJPA-536.patch,
> OPENJPA-536.patch, OPENJPA-536.patch, OPENJPA-536.patch, OPENJPA-536.patch,
> OPENJPA-536.patch, OPENJPA-536.patch
>
>
> There are 3 classes: Item, Artist and Person. Artist extends Person.
> Invoking JPAFacadeHelper.getMetaData(emf, Item.class) will cause
> OutOfMemoryError thrown by
> org.apache.openjpa.meta.MetaDataRepository.processBuffer().
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