[
https://issues.apache.org/jira/browse/SLING-5382?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15059832#comment-15059832
]
Timothee Maret commented on SLING-5382:
---------------------------------------
The {{config}} field should be checked for {{null}} as it could be that the
framework binds a {{PropertyProvider}} instance before the {{config}} (thus
before the component is active).
{code}
Resource myInstance = ResourceHelper
.getOrCreateResource(
resourceResolver,
config.getClusterInstancesPath()
+ "/" + slingId + "/properties");
{code}
> DiscoveryServiceImpl#doUpdateProperties may fail due to a NPE
> --------------------------------------------------------------
>
> Key: SLING-5382
> URL: https://issues.apache.org/jira/browse/SLING-5382
> Project: Sling
> Issue Type: Bug
> Components: Extensions
> Affects Versions: Discovery Oak 1.2.0
> Reporter: Timothee Maret
>
> Observed
> {code}
> 09.12.2015 14:19:13.175 *ERROR* [FelixStartLevel]
> org.apache.sling.discovery.oak
> [org.apache.sling.discovery.oak.OakDiscoveryService(186)] The
> updatedPropertyProvider method has thrown an exception
> (java.lang.NullPointerException)
> java.lang.NullPointerException: null
> at
> org.apache.sling.discovery.oak.OakDiscoveryService.doUpdateProperties(OakDiscoveryService.java:476)
> at
> org.apache.sling.discovery.oak.OakDiscoveryService.bindPropertyProviderInteral(OakDiscoveryService.java:403)
> at
> org.apache.sling.discovery.oak.OakDiscoveryService.updatedPropertyProvider(OakDiscoveryService.java:417)
> at sun.reflect.GeneratedMethodAccessor53.invoke(Unknown Source)
> at
> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
> at java.lang.reflect.Method.invoke(Method.java:606)
> at
> org.apache.felix.scr.impl.helper.BaseMethod.invokeMethod(BaseMethod.java:222)
> at
> org.apache.felix.scr.impl.helper.BaseMethod.access$500(BaseMethod.java:37)
> at
> org.apache.felix.scr.impl.helper.BaseMethod$Resolved.invoke(BaseMethod.java:615)
> at
> org.apache.felix.scr.impl.helper.BaseMethod.invoke(BaseMethod.java:499)
> at
> org.apache.felix.scr.impl.helper.BindMethod.invoke(BindMethod.java:41)
> at
> org.apache.felix.scr.impl.manager.DependencyManager.invokeUpdatedMethod(DependencyManager.java:1706)
> at
> org.apache.felix.scr.impl.manager.SingleComponentManager.invokeUpdatedMethod(SingleComponentManager.java:381)
> at
> org.apache.felix.scr.impl.manager.DependencyManager$MultipleDynamicCustomizer.modifiedService(DependencyManager.java:349)
> at
> org.apache.felix.scr.impl.manager.DependencyManager$MultipleDynamicCustomizer.modifiedService(DependencyManager.java:295)
> at
> org.apache.felix.scr.impl.manager.ServiceTracker$Tracked.customizerModified(ServiceTracker.java:1228)
> at
> org.apache.felix.scr.impl.manager.ServiceTracker$Tracked.customizerModified(ServiceTracker.java:1136)
> at
> org.apache.felix.scr.impl.manager.ServiceTracker$AbstractTracked.track(ServiceTracker.java:884)
> at
> org.apache.felix.scr.impl.manager.ServiceTracker$Tracked.serviceChanged(ServiceTracker.java:1167)
> at
> org.apache.felix.scr.impl.BundleComponentActivator$ListenerInfo.serviceChanged(BundleComponentActivator.java:120)
> at
> org.apache.felix.framework.util.EventDispatcher.invokeServiceListenerCallback(EventDispatcher.java:991)
> at
> org.apache.felix.framework.util.EventDispatcher.fireEventImmediately(EventDispatcher.java:839)
> at
> org.apache.felix.framework.util.EventDispatcher.fireServiceEvent(EventDispatcher.java:546)
> at org.apache.felix.framework.Felix.fireServiceEvent(Felix.java:4557)
> at org.apache.felix.framework.Felix.access$000(Felix.java:106)
> at org.apache.felix.framework.Felix$1.serviceChanged(Felix.java:420)
> at
> org.apache.felix.framework.ServiceRegistry.servicePropertiesModified(ServiceRegistry.java:571)
> at
> org.apache.felix.framework.ServiceRegistrationImpl.setProperties(ServiceRegistrationImpl.java:131)
> at
> org.apache.sling.event.impl.jobs.JobConsumerManager.unbindService(JobConsumerManager.java:364)
> at
> org.apache.sling.event.impl.jobs.JobConsumerManager.unbindJobConsumer(JobConsumerManager.java:262)
> at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> at
> sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
> at
> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
> at java.lang.reflect.Method.invoke(Method.java:606)
> at
> org.apache.felix.scr.impl.helper.BaseMethod.invokeMethod(BaseMethod.java:222)
> at
> org.apache.felix.scr.impl.helper.BaseMethod.access$500(BaseMethod.java:37)
> at
> org.apache.felix.scr.impl.helper.BaseMethod$Resolved.invoke(BaseMethod.java:615)
> at
> org.apache.felix.scr.impl.helper.BaseMethod.invoke(BaseMethod.java:499)
> at
> org.apache.felix.scr.impl.helper.BindMethod.invoke(BindMethod.java:41)
> at
> org.apache.felix.scr.impl.manager.DependencyManager.invokeUnbindMethod(DependencyManager.java:1774)
> at
> org.apache.felix.scr.impl.manager.SingleComponentManager.invokeUnbindMethod(SingleComponentManager.java:393)
> at
> org.apache.felix.scr.impl.manager.DependencyManager$MultipleDynamicCustomizer.removedService(DependencyManager.java:364)
> at
> org.apache.felix.scr.impl.manager.DependencyManager$MultipleDynamicCustomizer.removedService(DependencyManager.java:295)
> at
> org.apache.felix.scr.impl.manager.ServiceTracker$Tracked.customizerRemoved(ServiceTracker.java:1241)
> at
> org.apache.felix.scr.impl.manager.ServiceTracker$Tracked.customizerRemoved(ServiceTracker.java:1136)
> at
> org.apache.felix.scr.impl.manager.ServiceTracker$AbstractTracked.untrack(ServiceTracker.java:996)
> at
> org.apache.felix.scr.impl.manager.ServiceTracker$Tracked.serviceChanged(ServiceTracker.java:1175)
> at
> org.apache.felix.scr.impl.BundleComponentActivator$ListenerInfo.serviceChanged(BundleComponentActivator.java:120)
> at
> org.apache.felix.framework.util.EventDispatcher.invokeServiceListenerCallback(EventDispatcher.java:991)
> at
> org.apache.felix.framework.util.EventDispatcher.fireEventImmediately(EventDispatcher.java:839)
> at
> org.apache.felix.framework.util.EventDispatcher.fireServiceEvent(EventDispatcher.java:546)
> at org.apache.felix.framework.Felix.fireServiceEvent(Felix.java:4557)
> at org.apache.felix.framework.Felix.access$000(Felix.java:106)
> at org.apache.felix.framework.Felix$1.serviceChanged(Felix.java:420)
> at
> org.apache.felix.framework.ServiceRegistry.unregisterService(ServiceRegistry.java:170)
> at
> org.apache.felix.framework.ServiceRegistrationImpl.unregister(ServiceRegistrationImpl.java:144)
> at
> org.apache.felix.scr.impl.manager.AbstractComponentManager$3.unregister(AbstractComponentManager.java:883)
> at
> org.apache.felix.scr.impl.manager.AbstractComponentManager$3.unregister(AbstractComponentManager.java:857)
> at
> org.apache.felix.scr.impl.manager.RegistrationManager.changeRegistration(RegistrationManager.java:140)
> at
> org.apache.felix.scr.impl.manager.AbstractComponentManager.unregisterService(AbstractComponentManager.java:925)
> at
> org.apache.felix.scr.impl.manager.AbstractComponentManager.doDeactivate(AbstractComponentManager.java:774)
> at
> org.apache.felix.scr.impl.manager.AbstractComponentManager.deactivateInternal(AbstractComponentManager.java:757)
> at
> org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.removedService(DependencyManager.java:1014)
> at
> org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.removedService(DependencyManager.java:915)
> at
> org.apache.felix.scr.impl.manager.ServiceTracker$Tracked.customizerRemoved(ServiceTracker.java:1241)
> at
> org.apache.felix.scr.impl.manager.ServiceTracker$Tracked.customizerRemoved(ServiceTracker.java:1136)
> at
> org.apache.felix.scr.impl.manager.ServiceTracker$AbstractTracked.untrack(ServiceTracker.java:996)
> at
> org.apache.felix.scr.impl.manager.ServiceTracker$Tracked.serviceChanged(ServiceTracker.java:1175)
> at
> org.apache.felix.scr.impl.BundleComponentActivator$ListenerInfo.serviceChanged(BundleComponentActivator.java:120)
> at
> org.apache.felix.framework.util.EventDispatcher.invokeServiceListenerCallback(EventDispatcher.java:991)
> at
> org.apache.felix.framework.util.EventDispatcher.fireEventImmediately(EventDispatcher.java:839)
> at
> org.apache.felix.framework.util.EventDispatcher.fireServiceEvent(EventDispatcher.java:546)
> at org.apache.felix.framework.Felix.fireServiceEvent(Felix.java:4557)
> at org.apache.felix.framework.Felix.access$000(Felix.java:106)
> at org.apache.felix.framework.Felix$1.serviceChanged(Felix.java:420)
> at
> org.apache.felix.framework.ServiceRegistry.unregisterService(ServiceRegistry.java:170)
> at
> org.apache.felix.framework.ServiceRegistrationImpl.unregister(ServiceRegistrationImpl.java:144)
> at
> com.adobe.cq.social.serviceusers.internal.impl.ServiceUserWrapperImpl.deactivate(ServiceUserWrapperImpl.java:127)
> at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> at
> sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
> at
> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
> at java.lang.reflect.Method.invoke(Method.java:606)
> at
> org.apache.felix.scr.impl.helper.BaseMethod.invokeMethod(BaseMethod.java:222)
> at
> org.apache.felix.scr.impl.helper.BaseMethod.access$500(BaseMethod.java:37)
> at
> org.apache.felix.scr.impl.helper.BaseMethod$Resolved.invoke(BaseMethod.java:615)
> at
> org.apache.felix.scr.impl.helper.BaseMethod.invoke(BaseMethod.java:499)
> at
> org.apache.felix.scr.impl.helper.ActivateMethod.invoke(ActivateMethod.java:295)
> at
> org.apache.felix.scr.impl.manager.SingleComponentManager.disposeImplementationObject(SingleComponentManager.java:342)
> at
> org.apache.felix.scr.impl.manager.SingleComponentManager.deleteComponent(SingleComponentManager.java:157)
> at
> org.apache.felix.scr.impl.manager.AbstractComponentManager.doDeactivate(AbstractComponentManager.java:783)
> at
> org.apache.felix.scr.impl.manager.AbstractComponentManager.deactivateInternal(AbstractComponentManager.java:757)
> at
> org.apache.felix.scr.impl.manager.AbstractComponentManager.dispose(AbstractComponentManager.java:550)
> at
> org.apache.felix.scr.impl.config.ConfigurableComponentHolder.disposeComponents(ConfigurableComponentHolder.java:725)
> at
> org.apache.felix.scr.impl.BundleComponentActivator.dispose(BundleComponentActivator.java:530)
> at
> org.apache.felix.scr.impl.Activator.disposeComponents(Activator.java:414)
> at org.apache.felix.scr.impl.Activator.access$300(Activator.java:53)
> at
> org.apache.felix.scr.impl.Activator$ScrExtension.destroy(Activator.java:273)
> at
> org.apache.felix.utils.extender.AbstractExtender$2.run(AbstractExtender.java:290)
> at
> java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:471)
> at java.util.concurrent.FutureTask.run(FutureTask.java:262)
> at
> org.apache.felix.utils.extender.AbstractExtender.destroyExtension(AbstractExtender.java:312)
> at
> org.apache.felix.utils.extender.AbstractExtender.bundleChanged(AbstractExtender.java:186)
> at
> org.apache.felix.framework.util.EventDispatcher.invokeBundleListenerCallback(EventDispatcher.java:916)
> at
> org.apache.felix.framework.util.EventDispatcher.fireEventImmediately(EventDispatcher.java:835)
> at
> org.apache.felix.framework.util.EventDispatcher.fireBundleEvent(EventDispatcher.java:517)
> at org.apache.felix.framework.Felix.fireBundleEvent(Felix.java:4541)
> at org.apache.felix.framework.Felix.stopBundle(Felix.java:2600)
> at org.apache.felix.framework.Felix.setActiveStartLevel(Felix.java:1389)
> at
> org.apache.felix.framework.FrameworkStartLevelImpl.run(FrameworkStartLevelImpl.java:308)
> at java.lang.Thread.run(Thread.java:745)
> {code}
> and
> {code}
> 11.12.2015 04:37:52.295 *ERROR* [pool-74-thread-1]
> org.apache.sling.commons.scheduler.impl.QuartzScheduler Exception during job
> execution of org.apache.sling.discovery.oak.pinger.OakViewChecker@7e1e1c3d :
> null
> java.lang.NullPointerException: null
> at
> org.apache.sling.discovery.oak.OakDiscoveryService.doUpdateProperties(OakDiscoveryService.java:476)
> at
> org.apache.sling.discovery.oak.OakDiscoveryService.updateProperties(OakDiscoveryService.java:545)
> at
> org.apache.sling.discovery.oak.pinger.OakViewChecker.updateProperties(OakViewChecker.java:330)
> at
> org.apache.sling.discovery.base.commons.BaseViewChecker.issueHeartbeat(BaseViewChecker.java:213)
> at
> org.apache.sling.discovery.base.commons.BaseViewChecker.heartbeatAndCheckView(BaseViewChecker.java:181)
> at
> org.apache.sling.discovery.base.commons.BaseViewChecker.run(BaseViewChecker.java:167)
> at
> org.apache.sling.commons.scheduler.impl.QuartzJobExecutor.execute(QuartzJobExecutor.java:115)
> at org.quartz.core.JobRunShell.run(JobRunShell.java:202)
> at
> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
> at
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
> at java.lang.Thread.run(Thread.java:745)
> {code}
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