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Posted to dev@felix.apache.org by "Felix Meschberger (JIRA)" <ji...@apache.org> on 2013/08/14 09:59:49 UTC
[jira] [Commented] (FELIX-4088) NPE from SCR service unregistration
[ https://issues.apache.org/jira/browse/FELIX-4088?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13739376#comment-13739376 ]
Felix Meschberger commented on FELIX-4088:
------------------------------------------
I think this is not related to Config Admin 1.2.8. Do you mind if I move the reference from the "affects" field to the "environment" field ?
> NPE from SCR service unregistration
> -----------------------------------
>
> Key: FELIX-4088
> URL: https://issues.apache.org/jira/browse/FELIX-4088
> Project: Felix
> Issue Type: Bug
> Components: Configuration Admin, Declarative Services (SCR), Framework
> Affects Versions: framework-4.2.0, configadmin-1.2.8, scr-1.6.0
> Environment: MacOSX 8 processors
> Reporter: Timothy Ward
>
> When uninstalling a set of bundles I get the following exception.
> ERROR: Bundle com.paremus.dosgi.topologymanager [101] EventDispatcher: Error during dispatch. (java.lang.NullPointerException)
> java.lang.NullPointerException
> at org.apache.felix.framework.util.Util.getWire(Util.java:335)
> at org.apache.felix.framework.ServiceRegistrationImpl$ServiceReferenceImpl.isAssignableTo(ServiceRegistrationImpl.java:493)
> at org.apache.felix.framework.util.Util.isServiceAssignable(Util.java:280)
> at org.apache.felix.framework.util.EventDispatcher.invokeServiceListenerCallback(EventDispatcher.java:916)
> at org.apache.felix.framework.util.EventDispatcher.fireEventImmediately(EventDispatcher.java:793)
> at org.apache.felix.framework.util.EventDispatcher.fireServiceEvent(EventDispatcher.java:543)
> at org.apache.felix.framework.Felix.fireServiceEvent(Felix.java:4401)
> at org.apache.felix.framework.Felix.access$000(Felix.java:74)
> at org.apache.felix.framework.Felix$1.serviceChanged(Felix.java:390)
> at org.apache.felix.framework.ServiceRegistry.unregisterService(ServiceRegistry.java:151)
> at org.apache.felix.framework.ServiceRegistrationImpl.unregister(ServiceRegistrationImpl.java:127)
> at com.paremus.frameworkintercept.DelegatingServiceRegistration.unregister(DelegatingServiceRegistration.java:37)
> at org.apache.felix.scr.impl.manager.AbstractComponentManager.unregisterComponentService(AbstractComponentManager.java:470)
> at org.apache.felix.scr.impl.manager.AbstractComponentManager$Satisfied.deactivate(AbstractComponentManager.java:1074)
> at org.apache.felix.scr.impl.manager.AbstractComponentManager.deactivateInternal(AbstractComponentManager.java:338)
> at org.apache.felix.scr.impl.manager.ImmediateComponentManager.reconfigure(ImmediateComponentManager.java:414)
> at org.apache.felix.scr.impl.config.ConfiguredComponentHolder.configurationDeleted(ConfiguredComponentHolder.java:152)
> at org.apache.felix.scr.impl.config.ConfigurationComponentRegistry.configurationEvent(ConfigurationComponentRegistry.java:247)
> at org.apache.felix.cm.impl.ConfigurationManager$FireConfigurationEvent.run(ConfigurationManager.java:1832)
> at org.apache.felix.cm.impl.UpdateThread.run(UpdateThread.java:104)
> at java.lang.Thread.run(Thread.java:722)
> ERROR: Bundle org.cauldron.newton.management.monitor [85] EventDispatcher: Error during dispatch. (java.lang.NullPointerException)
> java.lang.NullPointerException
> at org.apache.felix.framework.util.Util.getWire(Util.java:335)
> at org.apache.felix.framework.ServiceRegistrationImpl$ServiceReferenceImpl.isAssignableTo(ServiceRegistrationImpl.java:493)
> at org.apache.felix.framework.util.Util.isServiceAssignable(Util.java:280)
> at org.apache.felix.framework.util.EventDispatcher.invokeServiceListenerCallback(EventDispatcher.java:916)
> at org.apache.felix.framework.util.EventDispatcher.fireEventImmediately(EventDispatcher.java:793)
> at org.apache.felix.framework.util.EventDispatcher.fireServiceEvent(EventDispatcher.java:543)
> at org.apache.felix.framework.Felix.fireServiceEvent(Felix.java:4401)
> at org.apache.felix.framework.Felix.access$000(Felix.java:74)
> at org.apache.felix.framework.Felix$1.serviceChanged(Felix.java:390)
> at org.apache.felix.framework.ServiceRegistry.unregisterService(ServiceRegistry.java:151)
> at org.apache.felix.framework.ServiceRegistrationImpl.unregister(ServiceRegistrationImpl.java:127)
> at com.paremus.frameworkintercept.DelegatingServiceRegistration.unregister(DelegatingServiceRegistration.java:37)
> at org.apache.felix.scr.impl.manager.AbstractComponentManager.unregisterComponentService(AbstractComponentManager.java:470)
> at org.apache.felix.scr.impl.manager.AbstractComponentManager$Satisfied.deactivate(AbstractComponentManager.java:1074)
> at org.apache.felix.scr.impl.manager.AbstractComponentManager.deactivateInternal(AbstractComponentManager.java:338)
> at org.apache.felix.scr.impl.manager.ImmediateComponentManager.reconfigure(ImmediateComponentManager.java:414)
> at org.apache.felix.scr.impl.config.ConfiguredComponentHolder.configurationDeleted(ConfiguredComponentHolder.java:152)
> at org.apache.felix.scr.impl.config.ConfigurationComponentRegistry.configurationEvent(ConfigurationComponentRegistry.java:247)
> at org.apache.felix.cm.impl.ConfigurationManager$FireConfigurationEvent.run(ConfigurationManager.java:1832)
> at org.apache.felix.cm.impl.UpdateThread.run(UpdateThread.java:104)
> at java.lang.Thread.run(Thread.java:722)
> One of the bundles is an extender, that publishes a Configuration using Config Admin. This configuration is picked up by DS to create a new Service using a ManagedServiceFactory.
> At some point in the teardown I seem to be in the state where:
> 1. The configuration is being deleted because the target bundle is being uninstalled
> 2. The Bundle containing the SCR component is being uninstalled
> 3. SCR is attempting to unregister the managed service because of the asynchronous notification from config admin.
> I'm not sure whether the fault lies with the core framework or with scr, or with config admin. My guess is that SCR is at fault for trying to unregister a service for an uninstalled bundle, but that the framework shouldn't be blowing up either. Config Admin is probably an innocent bystander.
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