Hi everyone,
In my OSGi-based project, I need to use the XStream open source library
http://xstream.codehaus.org/
Unfortunately, there is no OSGi version of the project, so I created an
empty Maven project and added XStream as a dependency as follows
(pom.xml file is attached):
<dependencies>
<dependency>
<groupId>com.thoughtworks.xstream</groupId>
<artifactId>xstream</artifactId>
<version>1.4.2</version>
</dependency>
</dependencies>
I then configured BND to embed XStream and its dependencies:
<!-- Packaging -->
<packaging>bundle</packaging>
<!-- Build -->
<build>
<plugins>
<plugin>
<groupId>org.apache.felix</groupId>
<artifactId>maven-bundle-plugin</artifactId>
<version>2.3.7</version>
<extensions>true</extensions>
<configuration>
<instructions>
<Bundle-SymbolicName>${project.artifactId}</Bundle-SymbolicName>
<Export-Package>
com.thoughtworks.xstream,
com.thoughtworks.xstream.io,
com.thoughtworks.xstream.io.xml,
</Export-Package>
<Embed-Dependency>
*;groupId=com.thoughtworks.xstream;artifactId=xstream;version=1.4.2,
</Embed-Dependency>
<Embed-Transitive>true</Embed-Transitive>
</instructions>
</configuration>
</plugin>
</plugins>
</build>
When I look in the generated Jar, I find an xstream-1.4.2.jar file as
well as the com/toughworks/xstream folder hierarchy with the class files
(which seems redundant with the xstream-1.4.2.jar file, but the class in
the latest are not the same than the ones under com/toughworks/xstream
folder).
My problem is that there is no trace anywhere of the transitive
dependencies.
When installing the bundle, I have the following error message in felix:
ERROR: Bundle xstream-osgi [5] Error starting
file:/home/ben/Felix-4.0.2/bundle/xstream-osgi-1.4.2.jar
(org.osgi.framework.BundleException: Unresolved constraint in bundle
xstream-osgi [5]: Unable to resolve 5.0: missing requirement [5.0]
osgi.wiring.package; (osgi.wiring.package=com.bea.xml.stream))
What am I doing wrong? Is there a cleaner way to convert to OSGi a
library that I do not develop?
Kind regards,
Ben
<project xmlns="http://maven.apache.org/POM/4.0.0"; xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance";
xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd";>
<modelVersion>4.0.0</modelVersion>
<!-- =========================================================== -->
<!-- POM relationships -->
<!-- =========================================================== -->
<!-- Maven coordinates -->
<groupId>com.thoughtworks.xstream</groupId>
<artifactId>xstream-osgi</artifactId>
<version>1.4.2</version>
<!-- Dependencies -->
<dependencies>
<dependency>
<groupId>com.thoughtworks.xstream</groupId>
<artifactId>xstream</artifactId>
<version>1.4.2</version>
</dependency>
</dependencies>
<!-- =========================================================== -->
<!-- Build settings -->
<!-- =========================================================== -->
<!-- Packaging -->
<packaging>bundle</packaging>
<!-- Build -->
<build>
<plugins>
<plugin>
<groupId>org.apache.felix</groupId>
<artifactId>maven-bundle-plugin</artifactId>
<version>2.3.7</version>
<extensions>true</extensions>
<configuration>
<instructions>
<Bundle-SymbolicName>${project.artifactId}</Bundle-SymbolicName>
<Export-Package>
com.thoughtworks.xstream,
com.thoughtworks.xstream.io,
com.thoughtworks.xstream.io.xml,
</Export-Package>
<Embed-Dependency>
*;groupId=com.thoughtworks.xstream;artifactId=xstream;version=1.4.2,
</Embed-Dependency>
<Embed-Transitive>true</Embed-Transitive>
</instructions>
</configuration>
</plugin>
</plugins>
</build>
</project>
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