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https://issues.apache.org/jira/browse/KARAF-6716?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17210119#comment-17210119
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Jean-Baptiste Onofré commented on KARAF-6716:
---------------------------------------------
I'm not able to reproduce the issue. It's maybe related to dual version during
resolution ?
> Change in KAR installation behaviour
> --------------------------------------
>
> Key: KARAF-6716
> URL: https://issues.apache.org/jira/browse/KARAF-6716
> Project: Karaf
> Issue Type: Bug
> Components: karaf
> Affects Versions: 4.3.0
> Reporter: Sjoerd Brauer
> Assignee: Jean-Baptiste Onofré
> Priority: Critical
> Labels: kar
> Fix For: 4.3.1
>
> Original Estimate: 48h
> Remaining Estimate: 48h
>
> So I noticed a difference in deploying the exact same kar in the new karaf
> 4.3.0.RC1 version and the older ones. When I try to install a kar with the
> feature (simplified) found below with the mariadb JDBC driver it throws a
> nullpointer exception with stacktrace found down below.
> But what I find odd is that this kar installs without problems on earlier
> Karaf versions. What is furthermore odd is that only putting the mariadb
> bundle in deploy works perfectly fine in both versions.
> Anyone any idea what is causing this odd behaviour and if it's a bug of the
> karaf 4.3.0.RC1 version?
> Feature:
> {code:java}
> <feature name="mariadb" version="${project.version}">
>
>
> <bundle>mvn:org.mariadb.jdbc/mariadb-java-client/${mariadb.client.version}</bundle>
> </feature>{code}
> Stacktrace:
> {code:java}
> java.lang.NullPointerException: null
> at
>
> org.apache.karaf.features.internal.region.SubsystemResolveContext.getRegion(SubsystemResolveContext.java:270)
> ~[?:?]
> at
>
> org.apache.karaf.features.internal.region.SubsystemResolveContext.access$000(SubsystemResolveContext.java:67)
> ~[?:?]
> at
>
> org.apache.karaf.features.internal.region.SubsystemResolveContext$Visitor.contains(SubsystemResolveContext.java:302)
> ~[?:?]
> at
>
> org.apache.karaf.features.internal.region.SubsystemResolveContext$Visitor.contains(SubsystemResolveContext.java:294)
> ~[?:?]
> at
>
> org.apache.karaf.features.internal.region.AbstractRegionDigraphVisitor.visit(AbstractRegionDigraphVisitor.java:56)
> ~[?:?]
> at
>
> org.eclipse.equinox.internal.region.SubgraphTraverser.visitRemainingSubgraph(SubgraphTraverser.java:37)
> ~[?:?]
> at
>
> org.eclipse.equinox.internal.region.SubgraphTraverser.visitSubgraph(SubgraphTraverser.java:32)
> ~[?:?]
> at
>
> org.eclipse.equinox.internal.region.StandardRegionDigraph.visitSubgraph(StandardRegionDigraph.java:374)
> ~[?:?]
> at
>
> org.eclipse.equinox.internal.region.BundleIdBasedRegion.visitSubgraph(BundleIdBasedRegion.java:264)
> ~[?:?]
> at
>
> org.apache.karaf.features.internal.region.SubsystemResolveContext.findProviders(SubsystemResolveContext.java:208)
> ~[?:?]
> at
>
> org.apache.karaf.features.internal.region.SubsystemResolveContext.computeEdges(SubsystemResolveContext.java:138)
> ~[?:?]
> at
>
> org.apache.karaf.features.internal.region.SubsystemResolveContext.computeDistances(SubsystemResolveContext.java:118)
> ~[?:?]
> at
>
> org.apache.karaf.features.internal.region.SubsystemResolveContext.<init>(SubsystemResolveContext.java:96)
> ~[?:?]
> at
>
> org.apache.karaf.features.internal.region.SubsystemResolver.resolve(SubsystemResolver.java:231)
> ~[?:?]
> at
> org.apache.karaf.features.internal.service.Deployer.deploy(Deployer.java:391)
> ~[?:?]
> at
>
> org.apache.karaf.features.internal.service.FeaturesServiceImpl.doProvision(FeaturesServiceImpl.java:1062)
> ~[?:?]
> at
>
> org.apache.karaf.features.internal.service.FeaturesServiceImpl.lambda$doProvisionInThread$13(FeaturesServiceImpl.java:998)
> ~[?:?]
> at java.util.concurrent.FutureTask.run(FutureTask.java:266)
> ~[?:1.8.0_212]
> at
>
> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
> ~[?:1.8.0_212]
> at
>
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
> ~[?:1.8.0_212]
> at java.lang.Thread.run(Thread.java:748) ~[?:1.8.0_212]{code}
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