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From "Chris Dolan (Created) (JIRA)" <j...@apache.org>
Subject [jira] [Created] (KARAF-910) Race between FeatureService and ConfigAdmin for resolving mvn: URLs?
Date Fri, 30 Sep 2011 15:40:46 GMT
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


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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