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https://issues.apache.org/jira/browse/ARIES-1642?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15804906#comment-15804906
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Christian Schneider commented on ARIES-1642:
--------------------------------------------

I also think we should rather not make config admin optional. Besides the more 
complicated creation of EMF there is also the problem of the optional 
dependency that can cause refreshes in karaf.

> Aries JPA container cannot be used without Configuration Admin
> --------------------------------------------------------------
>
>                 Key: ARIES-1642
>                 URL: https://issues.apache.org/jira/browse/ARIES-1642
>             Project: Aries
>          Issue Type: Bug
>          Components: JPA
>    Affects Versions: jpa-2.5.0
>            Reporter: Timothy Ward
>
> The Aries JPA ManagedEMF registers a managed service factory for each 
> "complete" EntityManagerFactory service. This isn't part of the JPA service 
> specification, but does provide a nice way to fix up clients which don't use 
> the EMFBuilder.
> The problem is that if no Config Admin is available in the framework then no 
> EMF service is ever registered!
> The only call to createAndPublishEMF is from the updated method, and the 
> updated method is only called if Config Admin is running!
> https://github.com/apache/aries/blob/d85be2b8f8a026cb1959c83ceb4ed812cd9d1279/jpa/jpa-container/src/main/java/org/apache/aries/jpa/container/impl/ManagedEMF.java#L128
> Having a running Configuration Admin should not be a hard requirement for 
> Aries JPA.



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