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https://issues.apache.org/jira/browse/KARAF-910?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13125333#comment-13125333
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Chris Dolan commented on KARAF-910:
-----------------------------------
David, thanks but that's definitely not the solution in my case. A breakpoint
tells me that the cfg file is already parsed and is in memory. The issue is
that it's applied asynchronously, on a different thread from the activator.
Meanwhile, the activator thread is starting other dependent bundles.
noInitialDelay could narrow the race window, but it can't solve it
singlehandedly.
> Race between FeatureService and ConfigAdmin for resolving mvn: URLs?
> --------------------------------------------------------------------
>
> Key: KARAF-910
> URL: https://issues.apache.org/jira/browse/KARAF-910
> Project: Karaf
> Issue Type: Bug
> Components: karaf-features
> Affects Versions: 2.2.2
> Environment: Talend Service Factory 2.4.2.0 (includes Karaf 2.2.2)
> with the Equinox core.
> Reporter: Chris Dolan
> Assignee: Jean-Baptiste Onofré
> Fix For: 2.2.5, 3.0.0
>
>
> I have an intermittent problem where my custom features.xml cannot be
> resolved. I use a tweaked etc/org.ops4j.pax.url.mvn.cfg file so the
> features.xml file is never present in $HOME/.m2/repo but is instead is
> resolved to local repo relative to the app:
> org.ops4j.pax.url.mvn.defaultRepositories=file:${karaf.base}/system@snapshots,\
> file:${karaf.home}/${karaf.default.repository}@snapshots,\
> file:${karaf.base}/../../../.env/.m2/repo@snapshots
> Sometimes when I start Karaf, I get this error (actual URL edited for privacy)
> karaf@tsf> 2011-09-30 09:23:09,760 WARN [FeaturesServiceImpl.java:924]
> Unable to add features repository
> mvn:<my-group-id>/<my-artifact-id>/<my-version>/xml/features at startup -
> o.a.k.f.i.FeaturesServiceImpl
> java.lang.RuntimeException: URL
> [mvn:<my-group-id>/<my-artifact-id>/<my-version>/xml/features] could not be
> resolved.
> at
> org.ops4j.pax.url.mvn.internal.Connection.getInputStream(Connection.java:195)
> [na:na]
> at
> org.ops4j.pax.url.mvn.internal.AetherBridgeConnection.getInputStream(AetherBridgeConnection.java:68)
> [na:na]
> at
> org.apache.karaf.features.internal.FeatureValidationUtil.validate(FeatureValidationUtil.java:49)
> [na:na]
> at
> org.apache.karaf.features.internal.FeaturesServiceImpl.validateRepository(FeaturesServiceImpl.java:199)
> [na:na]
> at
> org.apache.karaf.features.internal.FeaturesServiceImpl.internalAddRepository(FeaturesServiceImpl.java:210)
> [na:na]
> at
> org.apache.karaf.features.internal.FeaturesServiceImpl.start(FeaturesServiceImpl.java:922)
> [na:na]
> at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> [na:1.6.0_26]
> at
> sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
> [na:1.6.0_26]
> at
> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
> [na:1.6.0_26]
> at java.lang.reflect.Method.invoke(Method.java:597) [na:1.6.0_26]
> at
> org.apache.aries.blueprint.utils.ReflectionUtils.invoke(ReflectionUtils.java:226)
> [org.apache.aries.blueprint:0.3.1]
> at
> org.apache.aries.blueprint.container.BeanRecipe.invoke(BeanRecipe.java:824)
> [org.apache.aries.blueprint:0.3.1]
> at
> org.apache.aries.blueprint.container.BeanRecipe.runBeanProcInit(BeanRecipe.java:636)
> [org.apache.aries.blueprint:0.3.1]
> at
> org.apache.aries.blueprint.container.BeanRecipe.internalCreate(BeanRecipe.java:724)
> [org.apache.aries.blueprint:0.3.1]
> at
> org.apache.aries.blueprint.di.AbstractRecipe.create(AbstractRecipe.java:64)
> [org.apache.aries.blueprint:0.3.1]
> at
> org.apache.aries.blueprint.container.BlueprintRepository.createInstances(BlueprintRepository.java:219)
> [org.apache.aries.blueprint:0.3.1]
> at
> org.apache.aries.blueprint.container.BlueprintRepository.createAll(BlueprintRepository.java:147)
> [org.apache.aries.blueprint:0.3.1]
> at
> org.apache.aries.blueprint.container.BlueprintContainerImpl.instantiateEagerComponents(BlueprintContainerImpl.java:640)
> [org.apache.aries.blueprint:0.3.1]
> at
> org.apache.aries.blueprint.container.BlueprintContainerImpl.doRun(BlueprintContainerImpl.java:331)
> [org.apache.aries.blueprint:0.3.1]
> at
> org.apache.aries.blueprint.container.BlueprintContainerImpl.run(BlueprintContainerImpl.java:227)
> [org.apache.aries.blueprint:0.3.1]
> at
> java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:441)
> [na:1.6.0_26]
> at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:303)
> [na:1.6.0_26]
> at java.util.concurrent.FutureTask.run(FutureTask.java:138)
> [na:1.6.0_26]
> at
> java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:98)
> [na:1.6.0_26]
> at
> java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:206)
> [na:1.6.0_26]
> at
> java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)
> [na:1.6.0_26]
> at
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)
> [na:1.6.0_26]
> at java.lang.Thread.run(Thread.java:662) [na:1.6.0_26]
> If I put a breakpoint in
> org.ops4j.pax.url.mvn.internal.Connection.getInputStream(), I can see that
> when it fails m_configuration.getDefaultRepositories() contains one repo
> ($HOME/.m2/repo) and when it succeeds
> m_configuration.getDefaultRepositories() contains the three repos I've
> specified in etc/org.ops4j.pax.url.mvn.cfg.
> I interpret that to mean that sometimes the features resolution happens
> before Felix reads the files in etc/ and sometimes the features load
> afterward. Mostly I'm using the same startlevels as Karaf -- my
> startup.properties file is identical to the following except for a few
> additions I made.
> http://svn.apache.org/viewvc/karaf/trunk/assemblies/apache-karaf/src/main/filtered-resources/etc/startup.properties?revision=1176017&view=markup
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