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From Reto Bachmann-Gmür <r...@wymiwyg.com>
Subject Re: Preventing package to be exposed from system bndle
Date Fri, 07 Jun 2013 09:15:13 GMT
Thanks Richard. For now I tweaked the startlevels and it works, but I keep
your warning in mind ....

Cheers,
Reto


On Fri, Jun 7, 2013 at 5:02 AM, Richard S. Hall <heavy@ungoverned.org>wrote:

> On 6/6/13 18:20 , Reto Bachmann-Gmür wrote:
>
>> Hello,
>>
>> I'm using a bundle that requires
>> (package=javax.annotation)(**version>=1.1.0)(!(version>=2.**0.0)).
>> Unfortunately the version exposed by the system bundle on my system is
>> only
>> 0.0.0.1_007_JavaSE.
>>
>> I have a bundle that exposes the requested package at a matching version
>> (mvn:javax.annotation/javax.**annotation-api/1.2-b04) however when I add
>> this
>> bundle I get errors like the following:
>>
>>   [java] ERROR: Bundle org.glassfish.jersey.core.**jersey-common [44]:
>> Error
>> starting
>> slinginstall:C:\Users\Reto\**projects\apache\commons-ng\**
>> launchers\mini\target\stanbol\**startup\24\jersey-common-2.0.**jar
>> (org.osgi.framework.**BundleException: Constraint violation for package
>> 'javax.annotation' when resolving module 44.0 between existing import
>> 35.0.javax.annotation BLAMED ON [[44.0] package;
>> (&(package=javax.annotation)(**version>=1.1.0)(!(version>=2.**0.0)))]
>> and uses
>> constraint 0.javax.annotation BLAMED ON [[44.0] package; (&(package=
>> com.google.common.net)(**version>=14.0.0)(!(version>=**15.0.0))), [9.0]
>> package; (package=javax.annotation)])
>>
>> Can I prevent the system bundle from exportingthis package?
>>
>
> Yes, you can. You have to completely overwrite the
> org.osgi.framework.system.**packages property. The default value comes
> from the default.properties file inside the felix.jar file. You can copy
> copy the value to your conf/config.properties. Note that it uses property
> expansion in default.properties, so you'll have to expand the properties by
> hand.
>
>
>  Or is there an other solutions?
>>
>
> Not really. It looks like you have one bundle using the correct imported
> version range and one not and unfortunately the system bundle export has
> priority in a lot of cases since it is resolved first. The only other
> approach is to make sure the higher version of javax.annotation is resolved
> before resolving any other bundles, so that it will become the highest
> priority since it has the highest version.
>
> But I think modifying the system bundle export is the all around safer way
> to go.
>
> -> richard
>
>
>> Cheers,
>> Reto
>>
>>
>
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