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https://issues.apache.org/jira/browse/FELIX-3370?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13221116#comment-13221116
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Richard S. Hall commented on FELIX-3370:
----------------------------------------
I don't think you were reporting this against framework, but I tried it on
framework and came up with the correct result:
g! lb
START LEVEL 1
ID|State |Level|Name
0|Active | 0|System Bundle (4.1.0.SNAPSHOT)
1|Active | 1|Apache Felix Bundle Repository (1.6.6)
2|Active | 1|Apache Felix Gogo Command (0.12.0)
3|Active | 1|Apache Felix Gogo Runtime (0.10.0)
4|Active | 1|Apache Felix Gogo Shell (0.10.0)
5|Installed | 1|B (0.0.0)
6|Installed | 1|C (0.0.0)
7|Installed | 1|D (0.0.0)
8|Installed | 1|E (0.0.0)
g! resolve 8
DEBUG: Candidate permutation failed due to a conflict between imports; will try
another if possible. (org.apache.felix.framework.resolver.ResolveException:
Uses constraint violation. Unable to resolve bundle revision E [8.0] because it
is exposed to package 'resources' from bundle revisions B [5.0] and C [6.0] via
two dependency chains.
Chain 1:
E [8.0]
import: (osgi.wiring.package=resources)
|
export: osgi.wiring.package=resources
B [5.0]
Chain 2:
E [8.0]
require: (osgi.wiring.bundle=D)
|
provide: [7.0] osgi.wiring.bundle; {osgi.wiring.bundle=D,
bundle-version=0.0.0}
D [7.0]
import: (&(osgi.wiring.package=resources)(bundle-symbolic-name=C))
|
export: osgi.wiring.package=resources
C [6.0])
DEBUG: WIRE: [8.0] osgi.wiring.package; (osgi.wiring.package=resources) -> [6.0]
DEBUG: WIRE: [8.0] osgi.wiring.bundle; (osgi.wiring.bundle=D) -> [7.0]
DEBUG: WIRE: [7.0] osgi.wiring.package;
(&(osgi.wiring.package=resources)(bundle-symbolic-name=C)) -> [6.0]
g!
This shows it saw the conflict and then find the correct solution in the final
wires.
> Complex Require-Bundle resolver failure
> ---------------------------------------
>
> Key: FELIX-3370
> URL: https://issues.apache.org/jira/browse/FELIX-3370
> Project: Felix
> Issue Type: Bug
> Components: Framework
> Affects Versions: framework-4.0.2
> Reporter: Thomas Diesler
> Priority: Minor
> Fix For: framework-4.2.0
>
>
> Consider this
> {code}
> // Bundle-SymbolicName: requirebundleB
> // Export-Package: resources
>
> // Bundle-SymbolicName: requirebundleC
> // Export-Package: resources
>
> // Bundle-SymbolicName: requirebundleD
> // Export-Package:
> org.jboss.osgi.test.classloading.export;uses:=resources
> // Import-Package: resources;bundle-symbolic-name=requirebundleC
> // Bundle-SymbolicName: requirebundleE
> // Require-Bundle: requirebundleD
> // Import-Package: resources
> Wiring wiringE = getWiring(env, resourceE);
> assertEquals(0, wiringE.getProvidedResourceWires(null).size());
> assertEquals(1,
> wiringE.getRequiredResourceWires(WIRING_PACKAGE_NAMESPACE).size());
> wire =
> wiringE.getRequiredResourceWires(WIRING_PACKAGE_NAMESPACE).get(0);
> assertEquals(resourceC, wire.getProvider());
> {code}
> The current implementation of the standalone resolver wires E to B
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