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On 4/2/10 5:35, Nicolas Delsaux wrote:
> Hi all, i'm currently playing with Felix tutorial.
> By use, I do it with maven projects; Tht's to say that, as an example,
> I've made the translation service a maven module in my project, and
> created the pom file accordingly.
> As a consequence, my pom looks like this :
>
> <project>
> 	<parent>
> 		<artifactId>jypsy</artifactId>
> 		<groupId>com.mycompany</groupId>
> 		<version>0.0.1-SNAPSHOT</version>
> 	</parent>
> 	<modelVersion>4.0.0</modelVersion>
> 	<groupId>com.mycompany.pss</groupId>
> 	<artifactId>translation-english</artifactId>
> 	<packaging>bundle</packaging>
> 	<name>translation-english</name>
> 	<version>0.0.1-SNAPSHOT</version>
> 	<url>http://maven.apache.org</url>
> 	<dependencies>
> 		<dependency>
> 			<groupId>org.apache.felix</groupId>
> 			<artifactId>org.osgi.core</artifactId>
> 		</dependency>
> 	</dependencies>
> 	<build>
> 		<plugins>
> 			<plugin>
> 				<groupId>org.apache.felix</groupId>
> 				<artifactId>maven-bundle-plugin</artifactId>
> 				<extensions>true</extensions>
> 				<configuration>
> 					<instructions>
> 						<Export-Package>com.mycompany.translation.api.*</Export-Package>
> 						<Private-Package>com.mycompany.translation.english.*</Private-Package>
> 						<Bundle-Activator>com.mycompany.translation.Activator</Bundle-Activator>
> 					</instructions>
> 				</configuration>
> 			</plugin>
> 		</plugins>
> 	</build>
> </project>
>
> As one may guess, i have a superpom which eases me the task of
> declaring attributes of my manifest, using the following template :
>
> 				<plugin>
> 					<groupId>org.apache.felix</groupId>
> 					<artifactId>maven-bundle-plugin</artifactId>
> 					<version>1.4.0</version>
> 					<extensions>true</extensions>
> 					<configuration>
> 						<instructions>
> 							<Bundle-SymbolicName>${pom.groupId}.${pom.artifactId}</Bundle-SymbolicName>
> 							<Bundle-Name>${pom.name}</Bundle-Name>
> 							<Bundle-Version>${pom.version}</Bundle-Version>
> 						</instructions>
> 					</configuration>
> 				</plugin>
>
>
> But there is something I don't understand : the generated manifest has
> a set of import package that *precisely* contains my package classes :
>
> Manifest-Version: 1.0
> Export-Package: com.mycompany.translation.api
> Private-Package: com.mycompany.translation.english
> Built-By: ndx
> Tool: Bnd-0.0.238
> Bundle-Name: translation-english
> Created-By: Apache Maven Bundle Plugin
> Bundle-Vendor: mycompany
> Build-Jdk: 1.6.0_16
> Bundle-Version: 0.0.1.SNAPSHOT
> Bnd-LastModified: 1270200175640
> Bundle-ManifestVersion: 2
> Bundle-Activator: com.mycompany.translation.Activator
> Bundle-Description: A project
> Import-Package: com.mycompany.translation,com.mycompany.translatio
>   n.api
> Bundle-SymbolicName: com.mycompany.translation-english
> Bundle-DocURL: http://www.perdu.com
>
> And, as a consequence, when dropping that bundle in Felix, I get an exception :
>
> ERROR: Error starting
> file:/C:/java-ext/felix-framework-2.0.4/bundle/translation-english-0.0.1-SNAPSHOT.jar
> (org.osgi.fr
> amework.BundleException: Unresolved constraint in bundle
> com.mycompany.translation-english [7]: package; (package=com.
> mycompany.translation))
> org.osgi.framework.BundleException: Unresolved constraint in bundle
> com.mycompany.translation-english [7]: package; (p
> ackage=com.mycompany.translation)->
>
> Here I can see the generated Import-Package clause is wrong.
> So, what can I do to avoid/correct that ?
>    

Looking this info, it appears that your bundle makes reference to 
package com.mycompany.translation (via its activator) but does not 
contain this package, thus you get a resolve exception when you try to 
start it.

Looking at your POM above, you do not include this package in 
Private-Package or Export-Package, so it cannot be inside your bundle. 
So, I think the import is correct since your bundle is not packaged 
properly. In short, you need to add this package to your bundle if you 
don't want to import it.

-> richard

> Thanks
>
>    

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