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https://issues.apache.org/jira/browse/OPENJPA-2040?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13088579#comment-13088579
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Marcel Urbanek commented on OPENJPA-2040:
-----------------------------------------
Hi,
I tested with "revision.number=422266:1159795"
Setting openjpa.MetaDataFactory to
"org.apache.openjpa.persistence.PersistenceMetaDataFactory" still produces an
invalid SQL:
INSERT INTO i01w90.Group (groupName, groupNumber, validFromDate, remarkText,
date, time, user) VALUES (?, ?, ?, ?, ?, ?, ?) [params=?, ?, ?, ?, ?, ?, ?]}
Setting openjpa.MetaDataFactory to
"org.apache.openjpa.persistence.jdbc.PersistenceMappingFactory" now leads to
following exception:
java.lang.ClassCastException: org.apache.openjpa.conf.OpenJPAConfigurationImpl
cannot be cast to org.apache.openjpa.jdbc.conf.JDBCConfiguration
at
org.apache.openjpa.persistence.jdbc.PersistenceMappingFactory.newAnnotationParser(PersistenceMappingFactory.java:42)
> Problems when using "openjpa.MetaDataFactory" Property
> ------------------------------------------------------
>
> Key: OPENJPA-2040
> URL: https://issues.apache.org/jira/browse/OPENJPA-2040
> 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:
> http://openjpa.apache.org/builds/1.0.2/apache-openjpa-1.0.2/docs/manual/ref_guide_meta.html
> 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 @Column.name 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:
> http://openjpa.208410.n2.nabble.com/Problems-when-using-quot-openjpa-MetaDataFactory-quot-Property-td6671704.html
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