Victor Antonovich created ARIES-962:
---------------------------------------
Summary: 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
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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