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From Guillaume Nodet <gno...@gmail.com>
Subject Re: Embedding Hibernate in an OSGi bundle using maven-bundle-plugin is hard
Date Tue, 06 Apr 2010 14:47:52 GMT
Is there any reason why you want to embed hibernate instead of using it as a
real bundle ?
Also the problem isn't really maven i think, as whichever tool you use,
you'll have to write the manifest somehow.
Instead of going that way, I would do the following:
   * mark all imports as optional
   * deploy your bundles
   * check which packages are actually needed by deploying dependencies
until things work
   * mark the imports from these dependencies as mandatory
This is not really clean, but I don't see what else you can do if you don't
want to use the existing hibernate bundles.

On Tue, Apr 6, 2010 at 16:41, Dan H <hussdl1985-felix@yahoo.de> wrote:

> Just found out that a similar issue has already been addressed here:
> http://issues.apache.org/jira/browse/FELIX-954
> I checked out the current trunk, only to find out that the problem
> remains. Looking at the code was very helpful, I now suspect that the
> problem is actually caused by a cyclic dependency that causes
> MavenProject.getArtifacts() to return an incomplete (?) collection in
> BundlePlugin.getEmbeddableArtifacts().
> The cycle exists in dom4j-1.6.1 which depends on dom4j-1.5.2 which
> depends on jaxen1.1-beta which depends on dom4j-1.5.2 (see
> http://jira.codehaus.org/browse/MNG-1944)
> This is backed up by the dependency plugin which states:
> [INFO] The following files have been resolved:
> [INFO]    antlr:antlr:jar:2.7.6:compile
> [INFO]    c3p0:c3p0:jar:0.9.1:compile
> [INFO]    cglib:cglib:jar:2.1.3:compile
> [INFO]    commons-collections:commons-collections:jar:3.1:compile
> [INFO]    de.huss:kurt:jar:1.0.0:provided
> [INFO]    dom4j:dom4j:jar:1.6.1:compile
> [INFO]    javax.transaction:jta:jar:1.1:compile
> [INFO]    junit:junit:jar:4.6:test
> [INFO]    mysql:mysql-connector-java:jar:5.1.12:compile
> [INFO]    org.apache.felix:javax.servlet:jar:1.0.0:provided
> [INFO]    org.apache.felix:org.osgi.compendium:jar:1.4.0:provided
> [INFO]    org.apache.felix:org.osgi.core:jar:1.4.0:provided
> [INFO]    org.apache.felix:org.osgi.foundation:jar:1.2.0:provided
> [INFO]    org.hibernate:hibernate-c3p0:jar:3.3.2.GA:compile
> [INFO]    org.hibernate:hibernate-core:jar:3.3.2.GA:compile
> [INFO]    org.slf4j:slf4j-api:jar:1.5.8:compile
> [INFO]    xml-apis:xml-apis:jar:1.0.b2:compile
> All of the dom4j dependencies are missing.
> I assume it is not easily possible to detect this situation since no
> exception appears to be thrown by MavenProject.getArtifacts() when a
> cyclic dependency stops the resolve process.
> Anyway, I'm giving up on Maven integration. Thanks again for all your help.
> -Dan
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Guillaume Nodet
Blog: http://gnodet.blogspot.com/
Open Source SOA

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