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From "Michael Dick (JIRA)" <>
Subject [jira] [Assigned] (OPENJPA-2040) Problems when using "openjpa.MetaDataFactory" Property
Date Thu, 18 Aug 2011 15:54:27 GMT


Michael Dick reassigned OPENJPA-2040:

    Assignee: Michael Dick

> Problems when using "openjpa.MetaDataFactory" Property
> ------------------------------------------------------
>                 Key: OPENJPA-2040
>                 URL:
>             Project: OpenJPA
>          Issue Type: Bug
>    Affects Versions: 2.1.1
>            Reporter: Marcel Urbanek
>            Assignee: Michael Dick
>              Labels: MetaDataFactory, PersistenceMetaDataFactory, openjpa.MetaDataFactory
> I want to overwrite the MetaDataFactory like described here: 
> But it turned out it doesn't work. I managed to develop a test scenario 
> which easily produces the behaviour I encountered. 
> What _does_ work is the following: 
> Adding 
> <property name="openjpa.MetaDataFactory" value="jpa"/> 
> to persistence.xml. 
> When setting this property my junit test (persisting a simple association, 
> using @Column Annotation to use differing column names) does work. 
> According to the document above, this property Tag should be equivalent to 
> the setting above: 
> <property name="openjpa.MetaDataFactory" 
> value="org.apache.openjpa.persistence.PersistenceMetaDataFactory"/> 
> But when using this configuration my junit test fails. The differing 
> Column Names set by the Attribute are no longer found. 
> Instead the Java Attribute-Names are used in the SQL. 
> My problem is, that I want to implement a custom MetaDataFactory and this 
> doesn't work either (which is expected, because I extend 
> PersistenceMetaDataFactory). 
> Using PersistenceMappingFactory instead doesn't work either.
> For detailed information please see the following discussion:

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