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https://issues.apache.org/jira/browse/ARIES-1078?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13955259#comment-13955259
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ASF GitHub Bot commented on ARIES-1078:
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Github user kwesterfeld closed the pull request at:
https://github.com/apache/aries/pull/4
> JPA container stops locating providers for managers (PUs) when one provider
> is found
> ------------------------------------------------------------------------------------
>
> Key: ARIES-1078
> URL: https://issues.apache.org/jira/browse/ARIES-1078
> Project: Aries
> Issue Type: Bug
> Components: JPA
> Affects Versions: 1.0
> Reporter: Kurt Westerfeld
> Assignee: David Bosschaert
>
> In PersistenceBundleManager, there is a bit of code that deals with mating up
> managers who are waiting for providers (managersAwaitingProviders). This
> code has an error when one provider is found, in that it checks for null
> after calling getProviderServiceReference on the wrong return value.
> What happens is, you may have two providers in the OSGi registry. When one
> is found, all managers who are waiting on a provider get removed from this
> list, even though not all may match.
> I found this issue because I created a custom provider which allows for
> injecting configuration into the process of creating the entity manager,
> apart from that which is in persistence.xml. I wanted to mate up
> configuration admin configuration, and so I subclassed the provider given by
> openjpa, and activated my bundle.
> The end result is, my persistence unit is registered with a null provider.
> This is a quick one-liner fix; I will create a pull request.
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