I suggest we update to maven bundle plugin 3 in our parent pom and make
a parent pom release.

Carsten

Am 30.09.15 um 09:20 schrieb Konrad Windszus:
> Just for completeness: This issue is solved with bnd 3.0 
> (https://github.com/bndtools/bnd/issues/1017 
> <https://github.com/bndtools/bnd/issues/1017>) and therefore also with 
> maven-bundle-plugin 3.0.0.
> But since Sling is not yet using that, we should at least fix 
> https://github.com/apache/sling/blob/trunk/testing/mocks/sling-mock/pom.xml 
> <https://github.com/apache/sling/blob/trunk/testing/mocks/sling-mock/pom.xml> 
> and invert the inclusion order of the dependencies models.impl and 
> commons.osgi.
> Konrad
>> On 03 Aug 2015, at 14:52, Justin Edelson <[email protected]> wrote:
>>
>> Hi Konrad,
>> Is it possible to just embed the necessary classes rather than the whole
>> package? I think we do that in other cases and would (I think) eliminate
>> this issue.
>>
>> Regards,
>> Justin
>> On Mon, Aug 3, 2015 at 8:26 AM Konrad Windszus <[email protected]> wrote:
>>
>>> Hi,
>>> in https://issues.apache.org/jira/browse/SLING-4779 <
>>> https://issues.apache.org/jira/browse/SLING-4779> we had a discussion
>>> about how to leverage a class from the bundle Commons OSGi 2.3 while still
>>> leaving the dependency at 2.2.
>>> The outcome was to use the approach listed in
>>> http://njbartlett.name/2014/05/26/static-linking.html <
>>> http://njbartlett.name/2014/05/26/static-linking.html> to embed one
>>> package from Commons OSGi in Sling Models Impl (but not export it, of
>>> course).
>>>
>>> There is a drawback with that approach, related to the way how the
>>> maven-bundle-plugin and bnd works internally.
>>> Actually if you depend on both Sling Models Impl (1.2) and Commons OSGi
>>> (2.2) in your own bundle you might end up having an import-package
>>> statement with the wrong version range [2.3, 3) instead of [2.2, 3).
>>> This is because bnd figures out the version range by looking at the
>>> compile class path and just looks at the first package (and extracting the
>>> version in this case from its package-info).
>>> If the first dependency on the class path is now Sling Models Impl, bnd
>>> implicitly assumes, that the package is exported from the dependency
>>> (without looking at the manifest).
>>> I opened a bug at bnd on that: https://github.com/bndtools/bnd/issues/1017
>>> <https://github.com/bndtools/bnd/issues/1017>.
>>>
>>> Should we do anything about it now in the Sling code base until the bug of
>>> bnd is fixed upstream. Probably just stripping the package-info.class from
>>> org.apache.sling.commons.osgi in Sling Models Impl would be enough, but
>>> then we can no longer use the automatism of “Conditional-Package”.
>>> This issue would affect right now Sling Mock (
>>> https://github.com/apache/sling/blob/trunk/testing/mocks/sling-mock/pom.xml
>>> <
>>> https://github.com/apache/sling/blob/trunk/testing/mocks/sling-mock/pom.xml>)
>>> because that one depends first on org.apache.sling.models.impl and only
>>> after that on org.apache.sling.commons.osgi. At least that we should fix.
>>>
>>> Do you have any other idea on how to fix that?
>>> Thanks,
>>> Konrad
>>>
>>>
> 
> 


-- 
Carsten Ziegeler
Adobe Research Switzerland
[email protected]

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