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https://issues.apache.org/jira/browse/ARIES-1444?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14985409#comment-14985409
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Bas commented on ARIES-1444:
----------------------------
We use karaf 4 with equinox so I think it is part of equinox v3.10.2. I tried
to reproduce the problem but I was unable to so it might just be a bug in this
version.
It is not part of the 400 subsystems case, I can reproduce it by installing one
feature subsystem. Then restarting the container and trying to install a second
one. Both features contain an application subsystem. I tried to create a
pax-exam case for it but was unable to reproduce it. I think the resolver is
continuously telling itself there is a feature that exports a package which is
also part of a uses of one of its imports. I don't see an issue in that but it
seems to retry because of that.
So it occurs after a restart when trying to install an additional feature. The
feature it complains about is the feature that is already installed.
> Subsystem does not install because feature subsystem exports all constituents
> -----------------------------------------------------------------------------
>
> Key: ARIES-1444
> URL: https://issues.apache.org/jira/browse/ARIES-1444
> Project: Aries
> Issue Type: Bug
> Components: Subsystem
> Affects Versions: subsystem-core-2.0.4
> Environment: karaf
> Reporter: Bas
>
> The resolver will try endlessly to resolve the situation presented to it. You
> do have to restart the subsystem core bundle before this happens because
> after that the feature exports all constituent capabilities.
>
> While debugging it shows the following messages:
> org.osgi.service.resolver.ResolutionException: Uses constraint violation.
> Unable to resolve resource
> nl.capesystemsintegration.testcu.bus.testms.container-infra
> [org.apache.aries.subsystem.core.internal.BasicSubsystem@73ed4f] because it
> exports package 'net.sf.saxon.sxpath' and is also exposed to it from resource
> org.apache.servicemix.bundles.saxon [osgi.identity;
> osgi.identity="org.apache.servicemix.bundles.saxon"; type="osgi.bundle";
> version:Version="9.4.0.7_1"] via the following dependency chain:
> nl.capesystemsintegration.testcu.bus.testms.container-infra
> [org.apache.aries.subsystem.core.internal.BasicSubsystem@73ed4f]
> import:
> (&(osgi.wiring.package=net.sf.saxon.trans)(&(version>=9.4.0)(!(version>=10.0.0))))
> |
> export: osgi.wiring.package: net.sf.saxon.trans; uses:=net.sf.saxon.sxpath
> export: osgi.wiring.package=net.sf.saxon.sxpath
> org.apache.servicemix.bundles.saxon [osgi.identity;
> osgi.identity="org.apache.servicemix.bundles.saxon"; type="osgi.bundle";
> version:Version="9.4.0.7_1"]
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