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https://issues.apache.org/jira/browse/ARIES-922?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13450683#comment-13450683
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John Ross commented on ARIES-922:
---------------------------------
This issue is occurring on a framework restart with a persisted root subsystem.
A bundle within the root region is apparently being uninstalled outside of the
subsystems api while the bundle event hook is not registered, leaving the
bundle within the persisted memory. On restart, the bundle is sought while
initializing the root subsystem but is null.
> NPE in SubsystemResource.findContent
> ------------------------------------
>
> Key: ARIES-922
> URL: https://issues.apache.org/jira/browse/ARIES-922
> Project: Aries
> Issue Type: Bug
> Components: Subsystem
> Reporter: John Ross
> Assignee: John Ross
>
> Stack Dump = org.osgi.service.coordinator.CoordinationException: Coordination
> has failed
> at
> org.eclipse.equinox.coordinator.CoordinationImpl.checkTerminated(CoordinationImpl.java:393)
> at
> org.eclipse.equinox.coordinator.CoordinationImpl.terminate(CoordinationImpl.java:401)
> at
> org.eclipse.equinox.coordinator.CoordinationImpl.end(CoordinationImpl.java:152)
> at
> org.eclipse.equinox.coordinator.CoordinationReferent.end(CoordinationReferent.java:38)
> at
> org.apache.aries.subsystem.core.internal.Subsystems.getRootSubsystem(Subsystems.java:162)
> at
> org.apache.aries.subsystem.core.internal.Activator.activate(Activator.java:155)
> at
> org.apache.aries.subsystem.core.internal.Activator.addingService(Activator.java:240)
> at
> org.osgi.util.tracker.ServiceTracker$Tracked.customizerAdding(ServiceTracker.java:932)
> at
> org.osgi.util.tracker.ServiceTracker$Tracked.customizerAdding(ServiceTracker.java:1)
> at
> org.osgi.util.tracker.AbstractTracked.trackAdding(AbstractTracked.java:256)
> at org.osgi.util.tracker.AbstractTracked.track(AbstractTracked.java:229)
> at
> org.osgi.util.tracker.ServiceTracker$Tracked.serviceChanged(ServiceTracker.java:894)
> at
> org.eclipse.osgi.internal.serviceregistry.FilteredServiceListener.serviceChanged(FilteredServiceListener.java:107)
> at
> org.eclipse.osgi.framework.internal.core.BundleContextImpl.dispatchEvent(BundleContextImpl.java:861)
> at
> org.eclipse.osgi.framework.eventmgr.EventManager.dispatchEvent(EventManager.java:230)
> at
> org.eclipse.osgi.framework.eventmgr.ListenerQueue.dispatchEventSynchronous(ListenerQueue.java:148)
> at
> org.eclipse.osgi.internal.serviceregistry.ServiceRegistry.publishServiceEventPrivileged(ServiceRegistry.java:819)
> at
> org.eclipse.osgi.internal.serviceregistry.ServiceRegistry.publishServiceEvent(ServiceRegistry.java:771)
> at
> org.eclipse.osgi.internal.serviceregistry.ServiceRegistrationImpl.register(ServiceRegistrationImpl.java:130)
> at
> org.eclipse.osgi.internal.serviceregistry.ServiceRegistry.registerService(ServiceRegistry.java:214)
> at
> org.eclipse.osgi.framework.internal.core.BundleContextImpl.registerService(BundleContextImpl.java:433)
> at
> org.eclipse.osgi.framework.internal.core.BundleContextImpl.registerService(BundleContextImpl.java:451)
> at
> org.eclipse.osgi.framework.internal.core.BundleContextImpl.registerService(BundleContextImpl.java:950)
> at org.apache.felix.resolver.Activator.start(Activator.java:43)
> at
> org.eclipse.osgi.framework.internal.core.BundleContextImpl$1.run(BundleContextImpl.java:711)
> at java.security.AccessController.doPrivileged(Native Method)
> at
> org.eclipse.osgi.framework.internal.core.BundleContextImpl.startActivator(BundleContextImpl.java:702)
> at
> org.eclipse.osgi.framework.internal.core.BundleContextImpl.start(BundleContextImpl.java:683)
> at
> org.eclipse.osgi.framework.internal.core.BundleHost.startWorker(BundleHost.java:381)
> at
> org.eclipse.osgi.framework.internal.core.AbstractBundle.resume(AbstractBundle.java:390)
> at
> org.eclipse.osgi.framework.internal.core.Framework.resumeBundle(Framework.java:1177)
> at
> org.eclipse.osgi.framework.internal.core.StartLevelManager.resumeBundles(StartLevelManager.java:559)
> at
> org.eclipse.osgi.framework.internal.core.StartLevelManager.resumeBundles(StartLevelManager.java:544)
> at
> org.eclipse.osgi.framework.internal.core.StartLevelManager.incFWSL(StartLevelManager.java:457)
> at
> org.eclipse.osgi.framework.internal.core.StartLevelManager.doSetStartLevel(StartLevelManager.java:243)
> at
> org.eclipse.osgi.framework.internal.core.StartLevelManager.dispatchEvent(StartLevelManager.java:438)
> at
> org.eclipse.osgi.framework.internal.core.StartLevelManager.dispatchEvent(StartLevelManager.java:1)
> at
> org.eclipse.osgi.framework.eventmgr.EventManager.dispatchEvent(EventManager.java:230)
> at
> org.eclipse.osgi.framework.eventmgr.EventManager$EventThread.run(EventManager.java:340)
> Caused by: org.osgi.service.subsystem.SubsystemException:
> java.lang.NullPointerException
> at
> org.apache.aries.subsystem.core.internal.AriesSubsystem.getResource(AriesSubsystem.java:359)
> at
> org.apache.aries.subsystem.core.internal.SubsystemResourceInstaller.installAriesSubsystem(SubsystemResourceInstaller.java:97)
> at
> org.apache.aries.subsystem.core.internal.SubsystemResourceInstaller.install(SubsystemResourceInstaller.java:37)
> at
> org.apache.aries.subsystem.core.internal.Subsystems.getRootSubsystem(Subsystems.java:158)
> ... 34 more
> Caused by: java.lang.NullPointerException
> at
> org.apache.aries.subsystem.core.internal.SubsystemResource.findContent(SubsystemResource.java:534)
> at
> org.apache.aries.subsystem.core.internal.SubsystemResource.computeContentResources(SubsystemResource.java:333)
> at
> org.apache.aries.subsystem.core.internal.SubsystemResource.<init>(SubsystemResource.java:110)
> at
> org.apache.aries.subsystem.core.internal.AriesSubsystem.getResource(AriesSubsystem.java:356)
> ... 37 more
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