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https://issues.apache.org/jira/browse/OLINGO-245?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Ruslan Stelmachenko updated OLINGO-245:
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Attachment: apache-olingo-tutorial.zip
> Wrong EDM property type when setDefaultNaming is false
> ------------------------------------------------------
>
> Key: OLINGO-245
> URL: https://issues.apache.org/jira/browse/OLINGO-245
> Project: Olingo
> Issue Type: Bug
> Components: odata2-jpa
> Affects Versions: V2 1.2.0
> Reporter: Ruslan Stelmachenko
> Attachments: apache-olingo-tutorial.zip
>
>
> If I set {{ODataJPAContext.setDefaultNaming(false)}} then simple request stop
> working:
> http://localhost:8080/olingo.odata2.sample.cars.web/MyODataJPA.svc/Productss
> with this error:
> {quote}
> java.lang.ClassCastException
> org.apache.olingo.odata2.core.edm.provider.EdmSimplePropertyImplProv cannot
> be cast to org.apache.olingo.odata2.api.edm.EdmNavigationProperty
> org.apache.olingo.odata2.core.ep.aggregator.EntityInfoAggregator
> createNavigationInfoObjects 383
> {quote}
> *The problem in ManyToOne fields.*
> I debug a little and realized that method
> {{org.apache.olingo.odata2.core.ep.aggregator.EntityInfoAggregator.createNavigationInfoObjects}}
> receiving {{propertyNames}} list with propery names that already in
> {{edmProperties}} as {{EdmSimplePropertyImplProv}}. But if I set
> {{ODataJPAContext.setDefaultNaming(true)}} then the same method receiving
> list with navigation propery names as *JpaEntityClassNameDetails* so the
> names are different and all working fine.
> I dont know how to fix this but because of this behavior we can't just use
> {{ODataJPAContext.setDefaultNaming(false)}} for ManyToOne fields.
> I attach a simple maven project with my Entities and simple servlet for run
> in tocmat. Problematic entity is {{Products}}.
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