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https://issues.apache.org/jira/browse/FELIX-1197?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12715947#action_12715947
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Richard S. Hall commented on FELIX-1197:
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You mention that your fragments import nearly the same packages, Be aware that
Felix fragment import conflict detection currently requires overlapping imports
of fragments to be identical (i.e., same package, version range, attributes,
and directives). If not, then it will not allow it.
> Bundle Fragments not resolved correctly
> ---------------------------------------
>
> Key: FELIX-1197
> URL: https://issues.apache.org/jira/browse/FELIX-1197
> Project: Felix
> Issue Type: Bug
> Components: Framework
> Affects Versions: felix-1.8.0
> Reporter: Sergio Mestre
> Assignee: Richard S. Hall
>
> Hi all,
> I have the following behaviour, if I try to attach more than one bundle
> fragment to the same bundle host.
> java.lang.ClassCastException:
> org.apache.felix.framework.searchpolicy.ModuleImpl cannot be cast to
> [Ljava.lang.Object;
> at
> org.apache.felix.framework.FelixResolverState.checkForConflicts(FelixResolverState.java:220)
> ERROR: Error starting file:bundle/org.apache.felix.shell.jar
> (org.osgi.framework.BundleException: Unresolved constraint in bundle 31:
> Unable to merge fragments)
> at
> org.apache.felix.framework.FelixResolverState.mergeFragments(FelixResolverState.java:139)
> at
> org.apache.felix.framework.Felix$FelixResolver.resolve(Felix.java:3708)
> at org.apache.felix.framework.Felix.resolveBundle(Felix.java:3091)
> at org.apache.felix.framework.Felix.startBundle(Felix.java:1439)
> at
> org.apache.felix.framework.Felix.setActiveStartLevel(Felix.java:984)
> at
> org.apache.felix.framework.StartLevelImpl.run(StartLevelImpl.java:263)
> at java.lang.Thread.run(Thread.java:619)
> The bundle fragments have been tested separately and they work as they
> should.
> ( e.g. Frag A => Host A => O.K.
> Frag B => Host A => O.K.
> )
> If I try to resolve both bundle fragments than i get the exception above. I
> took a look at the source and it seems to me that there is a bug in the
> FelixResolverState class. Inside the method checkForConflicts(IModule host,
> List fragmentList) there is a map definition Map ipMerged = new HashMap();
> where the key is a String and the Value a Object[] .
> Later on in a for loop the same map is used to store keys from type String
> and values from type ModuleImpl. This causes a the above classcast exception
> in the line 220.
> Do I have any mistakes in my bundle fragment headers or is this realy a bug ?
> Best regards
> Sergio
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