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From "Mark Nuttall (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (ARIES-868) Subsystem support for woven package dependencies
Date Thu, 05 Jul 2012 11:17:34 GMT

    [ https://issues.apache.org/jira/browse/ARIES-868?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13406995#comment-13406995
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Mark Nuttall commented on ARIES-868:
------------------------------------

Hi Rich, 
I've raised bug https://www.osgi.org/bugzilla/show_bug.cgi?id=144 against the V5 Enterprise
spec calling for section 134 to address both Dynamic-ImportPackage in general, and woven dependencies
in particular. 
                
> Subsystem support for woven package dependencies
> ------------------------------------------------
>
>                 Key: ARIES-868
>                 URL: https://issues.apache.org/jira/browse/ARIES-868
>             Project: Aries
>          Issue Type: Improvement
>          Components: Subsystem
>            Reporter: Mark Nuttall
>            Assignee: Mark Nuttall
>
> We need a mechanism to support woven package dependencies within subsystems. For example,
when running on Equinox 3.7+ the proxy code weaves a dependency on  org.apache.aries.proxy.weaving.WovenProxy
into application code. This prevents blueprint-managed subsystems from starting unless a bundle
explicitly imports the org.apache.aries.proxy.weaving package, which should not be necessary.
JPA is worse, in that multiple, and "harder to know" package dependencies are woven in. 
> Investigate mechanisms for informing the SubsystemResolverHook about woven packages so
that they can be permitted to resolve against the parent subsystem. 
> Develop one or more itests: for example, one that shows blueprint working in a subsystem
on Equinox 3.8 without explicitly stating woven package dependencies. 

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