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From Bram de Kruijff <bdekrui...@gmail.com>
Subject Re: Unable to resolve cause wired to two revisions of same bundle?
Date Mon, 12 Dec 2011 11:38:55 GMT
On Mon, Dec 12, 2011 at 12:26 PM, Karl Pauls <karlpauls@gmail.com> wrote:
> On Mon, Dec 12, 2011 at 12:21 PM, Bram de Kruijff <bdekruijff@gmail.com> wrote:
>> Hi Karl,
>>
>> On Mon, Dec 12, 2011 at 11:40 AM, Karl Pauls <karlpauls@gmail.com> wrote:
>>> yes, it can:
>>>> http://felix.apache.org/site/apache-felix-osgi-faq.html#ApacheFelixOSGiFAQ-WhenIupdatemybundle%252Cwhyaremybundle%2527soldclassesstillbeingused%253F
>>
>> Erm.. ok so what is happening is:
>>
>> -> while resolving org.amdatu.web.rest.wink imports
>> 1) it links import javax.ws.rs.ext from 18.0 because some other
>> bundles is using this package from this revision
>> 1.1) thus dragging in javax.ws.rs from 18.0 due to uses clause
>> 2) it links import =javax.ws.rs from 18.1 because no other bundle is
>> directly using this package from revision 18.0
>> 3) *conflict*
>>
>> Correct? Confused.. Now, why the conflict? If the resolver is smart
>> enough to decide to use the 18.0 javax.ws.rs in step 1.1 why not do
>> the same in step 2?
>
> Good question, i was missing that it did get that for the same bundle.
> Hm, are you using felix 4.0.1 or 4.0.2?

4.0.2

Please note that I have a hard time reproducing it now :S

grz
Bram


> regards,
>
> Karl
>
>> thanks,
>> Bram
>>
>>>
>>> On Mon, Dec 12, 2011 at 11:13 AM, Bram de Kruijff <bdekruijff@gmail.com>
wrote:
>>>> Hi list,
>>>>
>>>> having a hard time understanding the problem below. Can a bundle be
>>>> wired to multiple revision of another? I'd think it would refresh all
>>>> wires. Bug or feature? Probably the latter, but I'd like to understand
>>>> :)
>>>>
>>>> When stop/starting a local install I get in this situation. Bundles
>>>> are touched/updated from build in between, but nothing really changes
>>>> in terms of imports/exports. Bundles are updated from fileinstall, not
>>>> directly by the framework. I recently switched to 4.0.2 so that is
>>>> probably related. After the refresh all is fine.
>>>>
>>>> {quote}
>>>> org.osgi.framework.BundleException: Uses constraint violation. Unable
>>>> to resolve bundle revision org.amdatu.web.rest.wink [21.1] because it
>>>> is exposed to package 'javax.ws.rs' from bundle revisions
>>>> org.amdatu.web.rest.jaxrs [18.1] and org.amdatu.web.rest.jaxrs [18.0]
>>>> via two dependency chains.
>>>>
>>>> Chain 1:
>>>>  org.amdatu.web.rest.wink [21.1]
>>>>    import: (&(osgi.wiring.package=javax.ws.rs)(version>=1.1.0)(!(version>=2.0.0)))
>>>>     |
>>>>    export: osgi.wiring.package=javax.ws.rs
>>>>  org.amdatu.web.rest.jaxrs [18.1]
>>>>
>>>> Chain 2:
>>>>  org.amdatu.web.rest.wink [21.1]
>>>>    import: (&(osgi.wiring.package=javax.ws.rs.ext)(version>=1.1.0)(!(version>=2.0.0)))
>>>>     |
>>>>    export: osgi.wiring.package=javax.ws.rs.ext; uses:=javax.ws.rs
>>>>    export: osgi.wiring.package=javax.ws.rs
>>>>  org.amdatu.web.rest.jaxrs [18.0]
>>>> -> refresh
>>>> {quote}
>>>>
>>>> Thanks,
>>>> Bram
>>>>
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>>>>
>>>
>>>
>>>
>>> --
>>> Karl Pauls
>>> karlpauls@gmail.com
>>> http://twitter.com/karlpauls
>>> http://www.linkedin.com/in/karlpauls
>>> https://profiles.google.com/karlpauls
>>>
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>>>
>>
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>
>
>
> --
> Karl Pauls
> karlpauls@gmail.com
> http://twitter.com/karlpauls
> http://www.linkedin.com/in/karlpauls
> https://profiles.google.com/karlpauls
>
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