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https://issues.apache.org/jira/browse/FELIX-3522?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13294449#comment-13294449
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Richard S. Hall commented on FELIX-3522:
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Thanks, that's an interesting clue, but it still seems like it fixes a symptom
rather than the cause. If that patch actually helps, then it might mean we are
calculating the package space incorrectly, since a substituted export shouldn't
appear in the exported packages in the package space if the revision is
importing the package (it should appear in the imported packages). I'll look
into that area more closely. Still odd that it works on the framework, since it
has the same code.
> Regression related to uses clause with multiple package providers
> -----------------------------------------------------------------
>
> Key: FELIX-3522
> URL: https://issues.apache.org/jira/browse/FELIX-3522
> Project: Felix
> Issue Type: Bug
> Components: Resolver
> Reporter: Thomas Diesler
> Attachments: test.log, trace-test-resolve-fail.log,
> trace-test-resolve-ok.log
>
>
> For this test
> https://github.com/tdiesler/jbosgi-resolver/blob/master/felix/src/test/java/org/jboss/test/osgi/resolver/UsesDirectiveResolverTest.java
> I get
> Tests run: 1, Failures: 0, Errors: 1, Skipped: 0, Time elapsed: 0.116 sec <<<
> FAILURE!
> testMultipleProviders(org.jboss.test.osgi.resolver.UsesDirectiveResolverTest)
> Time elapsed: 0.096 sec <<< ERROR!
> org.osgi.service.resolver.ResolutionException: Uses constraint violation.
> Unable to resolve resource war.extender.jar
> [AbstractResource[war.extender.jar:0.0.0]] because it is exposed to package
> 'javax.servlet' from resources javax.servlet.api
> [AbstractResource[javax.servlet.api:0.0.0]] and http.service.provider
> [AbstractResource[http.service.provider:0.0.0]] via two dependency chains.
> Chain 1:
> war.extender.jar [AbstractResource[war.extender.jar:0.0.0]]
> import: null
> |
> export: osgi.wiring.package=javax.servlet
> javax.servlet.api [AbstractResource[javax.servlet.api:0.0.0]]
> Chain 2:
> war.extender.jar [AbstractResource[war.extender.jar:0.0.0]]
> import: null
> |
> export: osgi.wiring.package=org.ops4j.pax.web.service; uses:=javax.servlet
> export: osgi.wiring.package=javax.servlet
> http.service.provider [AbstractResource[http.service.provider:0.0.0]]
> at
> org.apache.felix.resolver.ResolverImpl.checkPackageSpaceConsistency(ResolverImpl.java:1134)
> at org.apache.felix.resolver.ResolverImpl.resolve(ResolverImpl.java:197)
> at
> org.jboss.osgi.resolver.felix.StatelessResolver.resolve(StatelessResolver.java:57)
> at
> org.jboss.test.osgi.resolver.UsesDirectiveResolverTest.testMultipleProviders(UsesDirectiveResolverTest.java:158)
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