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https://issues.apache.org/jira/browse/CAMEL-8647?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14548101#comment-14548101
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ASF GitHub Bot commented on CAMEL-8647:
---------------------------------------

GitHub user manuelh9r opened a pull request:

    https://github.com/apache/camel/pull/520

    CAMEL-8647: Fix duplicated import-package statement for org.osgi.fram…

    It seems that in change f058e02b00 the wildcard expression 
org.osgi.framework*;version="[1.5,2)", was removed and replaced by 
org.osgi.framework;version="[1.5,2)". 
    
    In camel-cxf the bundle plugin will create two import-package statements 
since it defines a org.osgi.framework;resolution:=optional in the 
camel.osgi.import property. Without the wildcard this leads to two 
import-package statements which prevents installing the camel-cxf bundle in an 
osgi container. 
    
    It seems that in ced83fe5b86 we resolved the same issue in camel-spring by 
removing the import statement in the camel.osgi.import property. We could do 
the same for camel-cxf.

You can merge this pull request into a Git repository by running:

    $ git pull https://github.com/manuelh9r/camel master

Alternatively you can review and apply these changes as the patch at:

    https://github.com/apache/camel/pull/520.patch

To close this pull request, make a commit to your master/trunk branch
with (at least) the following in the commit message:

    This closes #520
    
----
commit 6ba4ac6ad5273668ca893f3be5464cf2ffdd455b
Author: Manuel Holzleitner <[email protected]>
Date:   2015-05-18T14:36:07Z

    CAMEL-8647: Fix duplicated import-package statement for org.osgi.framework 
in camel-cxf manifest

----


> Make Camel OSGI Extender Subsystem-Aware
> ----------------------------------------
>
>                 Key: CAMEL-8647
>                 URL: https://issues.apache.org/jira/browse/CAMEL-8647
>             Project: Camel
>          Issue Type: Improvement
>          Components: camel-core, osgi
>            Reporter: Manuel Holzleitner
>            Assignee: Christian Schneider
>             Fix For: 2.16.0
>
>
> I would like to propose a change to the camel-core extender for components, 
> type converters, etc. to allow to use camel-core with subsystem-aware 
> OSGI-containers to separate components and it’s dependencies into subsystems. 
> This would allow to isolate applications and camel components (incl. it’s 
> libraries) from each other. I.e. you could run HTTP-related components that 
> rely on (otherwise conflicting) HTTP client libs in different versions next 
> to each other.
> Currently, the BundleTracker in the camel-core extender is initialized on its 
> own BundleContext and therefore does not receive any events from started 
> camel component bundles that reside in subsystems. I discussed a solution to 
> make the camel extender subsystem-aware in the Aries mailinglist [1], who 
> already conducted this change in the blueprint implementation. 
> This approach from the upcoming R6 DS 1.3 spec was proposed by David Jencks 
> as a solution:
>   - use the system bundle (bundle 0) to look for events of interest, so you 
> see them for all bundles
>   - have the extender register an extender capability
>   - have bundles that need extension register a matching extender requirement
>   - the extender should only extend bundles with no extender requirement or 
> ones with extender requirements wired to their own extender capability.
> I implemented this approach accordingly for camel and tested it in 
> combination with the Aries subsystem module. Any feedback to this would be 
> very much appreciated.
> [1] 
> http://mail-archives.apache.org/mod_mbox/aries-user/201503.mbox/%3CCADE24oihG71CdC=pz-zno9reuxnoq4zh4qw4fgseor4zxqc...@mail.gmail.com%3E



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