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From "Guillaume Nodet (JIRA)" <j...@apache.org>
Subject [jira] [Assigned] (ARIES-962) Deadlock while stopping OSGi container
Date Tue, 27 Nov 2012 14:21:59 GMT

     [ https://issues.apache.org/jira/browse/ARIES-962?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Guillaume Nodet reassigned ARIES-962:
-------------------------------------

    Assignee: Guillaume Nodet
    
> Deadlock while stopping OSGi container
> --------------------------------------
>
>                 Key: ARIES-962
>                 URL: https://issues.apache.org/jira/browse/ARIES-962
>             Project: Aries
>          Issue Type: Bug
>          Components: Blueprint
>    Affects Versions: blueprint-core-1.0.1
>         Environment: Apache Karaf 2.3.0
>            Reporter: Victor Antonovich
>            Assignee: Guillaume Nodet
>
> OSGi container (Apache Karaf) hangs while stopping due to the deadlock with next stacktrace:
> {quote}
> Found one Java-level deadlock:
> =============================
> "Blueprint Extender: 1":
>   waiting to lock monitor 0x00007f92a0003d98 (object 0x00000000e0995860, a java.util.ArrayList),
>   which is held by "FelixStartLevel"
> "FelixStartLevel":
>   waiting to lock monitor 0x00007f92a0003cf0 (object 0x00000000e09960f0, a java.lang.Object),
>   which is held by "Blueprint Extender: 1"
> Java stack information for the threads listed above:
> ===================================================
> "Blueprint Extender: 1":
> 	at org.apache.aries.blueprint.container.AbstractServiceReferenceRecipe.getBestServiceReference(AbstractServiceReferenceRecipe.java:429)
> 	- waiting to lock <0x00000000e0995860> (a java.util.ArrayList)
> 	at org.apache.aries.blueprint.container.ReferenceRecipe.retrack(ReferenceRecipe.java:128)
> 	at org.apache.aries.blueprint.container.ReferenceRecipe.untrack(ReferenceRecipe.java:151)
> 	- locked <0x00000000e09960f0> (a java.lang.Object)
> 	at org.apache.aries.blueprint.container.AbstractServiceReferenceRecipe.serviceRemoved(AbstractServiceReferenceRecipe.java:346)
> 	at org.apache.aries.blueprint.container.AbstractServiceReferenceRecipe.access$200(AbstractServiceReferenceRecipe.java:71)
> 	at org.apache.aries.blueprint.container.AbstractServiceReferenceRecipe$3.run(AbstractServiceReferenceRecipe.java:316)
> 	at org.apache.aries.blueprint.utils.threading.impl.DiscardableRunnable.run(DiscardableRunnable.java:48)
> 	at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:439)
> 	at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:303)
> 	at java.util.concurrent.FutureTask.run(FutureTask.java:138)
> 	at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:98)
> 	at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:206)
> 	at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)
> 	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)
> 	at java.lang.Thread.run(Thread.java:662)
> "FelixStartLevel":
> 	at org.apache.aries.blueprint.container.ReferenceRecipe.doStop(ReferenceRecipe.java:122)
> 	- waiting to lock <0x00000000e09960f0> (a java.lang.Object)
> 	at org.apache.aries.blueprint.container.AbstractServiceReferenceRecipe.stop(AbstractServiceReferenceRecipe.java:153)
> 	- locked <0x00000000e0995860> (a java.util.ArrayList)
> 	at org.apache.aries.blueprint.container.BlueprintContainerImpl.untrackServiceReference(BlueprintContainerImpl.java:594)
> 	at org.apache.aries.blueprint.container.BlueprintContainerImpl.untrackServiceReferences(BlueprintContainerImpl.java:574)
> 	at org.apache.aries.blueprint.container.BlueprintContainerImpl.destroy(BlueprintContainerImpl.java:842)
> 	at org.apache.aries.blueprint.container.BlueprintExtender.destroyContext(BlueprintExtender.java:246)
> 	at org.apache.aries.blueprint.container.BlueprintExtender.bundleChanged(BlueprintExtender.java:238)
> 	at org.apache.aries.blueprint.container.BlueprintExtender$BlueprintBundleTrackerCustomizer.modifiedBundle(BlueprintExtender.java:434)
> 	at org.apache.aries.util.tracker.hook.BundleHookBundleTracker$Tracked.customizerModified(BundleHookBundleTracker.java:198)
> 	at org.apache.aries.util.tracker.hook.BundleHookBundleTracker$Tracked.customizerModified(BundleHookBundleTracker.java:128)
> 	at org.apache.aries.util.tracker.hook.BundleHookBundleTracker$AbstractTracked.track(BundleHookBundleTracker.java:468)
> 	at org.apache.aries.util.tracker.hook.BundleHookBundleTracker$Tracked.bundleChanged(BundleHookBundleTracker.java:161)
> 	at org.apache.aries.util.tracker.hook.BundleHookBundleTracker$BundleEventHook.event(BundleHookBundleTracker.java:117)
> 	at org.apache.felix.framework.util.SecureAction.invokeBundleEventHook(SecureAction.java:1103)
> 	at org.apache.felix.framework.util.EventDispatcher.createWhitelistFromHooks(EventDispatcher.java:695)
> 	at org.apache.felix.framework.util.EventDispatcher.fireBundleEvent(EventDispatcher.java:483)
> 	at org.apache.felix.framework.Felix.fireBundleEvent(Felix.java:4244)
> 	at org.apache.felix.framework.Felix.stopBundle(Felix.java:2351)
> 	at org.apache.felix.framework.Felix.setActiveStartLevel(Felix.java:1214)
> 	at org.apache.felix.framework.FrameworkStartLevelImpl.run(FrameworkStartLevelImpl.java:295)
> 	at java.lang.Thread.run(Thread.java:662)
> Found 1 deadlock.
> {quote}
> It seems like Apache Aries problem.

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