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From "Bob Ziuchkovski (Commented) (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (FELIX-3356) Objectweb ASM Clashes with IPojo
Date Mon, 20 Feb 2012 08:23:34 GMT

    [ https://issues.apache.org/jira/browse/FELIX-3356?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13211718#comment-13211718
] 

Bob Ziuchkovski commented on FELIX-3356:
----------------------------------------

Hmm...it looks like bnd is getting the manifest correct, in that it only shows org.apache.felix.ipojo.handlers.dependency
as using org.objectweb.asm.  However, it lists org.apache.felix.ipojo.architecture as using
org.apache.felix.ipojo, which in turn is marked as using org.apache.felix.ipojo.handlers.dependency,
which uses org.objectweb.asm.  I think the ipojo->ipojo.handlers.dependency use clause
is probably coming from PrimitiveInstanceDescription.java.  At a glance I don't see anything
else that would cause ipojo.architecture to pull in wiring for org.objectweb.asm, but I am
not 100% certain.
                
> Objectweb ASM Clashes with IPojo
> --------------------------------
>
>                 Key: FELIX-3356
>                 URL: https://issues.apache.org/jira/browse/FELIX-3356
>             Project: Felix
>          Issue Type: Bug
>          Components: iPOJO
>            Reporter: Bob Ziuchkovski
>            Priority: Minor
>
> Ipojo automatically imports org.apache.felix.ipojo.architecture for bundles that it manages,
and org.apache.felix.ipojo.architecture is marked as using org.objectweb.asm.  This creates
conflicts for any ipojo-managed bundle that wishes to import and use a different objectweb
asm version (i.e. 4.0) for non-ipojo purposes.  See the below output for an example:
> Error executing command: Error starting bundles:
> 	Unable to start bundle 107: Uses constraint violation. Unable to resolve bundle revision
test.service [107.0] because it is exposed to package 'org.objectweb.asm' from bundle revisions
org.objectweb.asm.all [98.0] and org.apache.felix.ipojo [99.0] via two dependency chains.
> Chain 1:
>   test.service [107.0]
>     import: (&(osgi.wiring.package=org.objectweb.asm)(version>=4.0.0)(!(version>=5.0.0)))
>      |
>     export: osgi.wiring.package=org.objectweb.asm
>   org.objectweb.asm.all [98.0]
> Chain 2:
>   test.service [107.0]
>     import: (&(osgi.wiring.package=org.apache.felix.ipojo.architecture)(version>=1.8.0))
>      |
>     export: osgi.wiring.package=org.apache.felix.ipojo.architecture; uses:=org.objectweb.asm
>     export: osgi.wiring.package=org.objectweb.asm
>   org.apache.felix.ipojo [99.0]

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