[SLING-7019] MapEntries class causes IllegalStateException: Resource resolver is already closed

• Type: Bug
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Affects Version/s: Resource Resolver 1.5.28
• Fix Version/s: Resource Resolver 1.5.30
• Component/s: ResourceResolver
• Assignee: Karl Pauls
• Reporter: Mohit Arora
• Created: 24/Jul/17 11:48
• Updated: 27/Jul/17 08:21
• Resolved: 24/Jul/17 15:16

Description

Following warnings are logged on updating the resource resolver implementation:

21.07.2017 14:31:01.244 *WARN* [sling-oak-observation-416] org.apache.jackrabbit.oak.jcr.observation.ChangeProcessor Error while dispatching observation events for //*[11111b]@org.apache.sling.jcr.resource.internal.JcrResourceListener
java.lang.IllegalStateException: Resource resolver is already closed.
	at org.apache.sling.resourceresolver.impl.ResourceResolverImpl.checkClosed(ResourceResolverImpl.java:186)
	at org.apache.sling.resourceresolver.impl.ResourceResolverImpl.getResource(ResourceResolverImpl.java:624)
	at org.apache.sling.resourceresolver.impl.mapping.MapEntries.updateResource(MapEntries.java:292)
	at org.apache.sling.resourceresolver.impl.mapping.MapEntries.onChange(MapEntries.java:733)
	at org.apache.sling.resourceresolver.impl.observation.BasicObservationReporter.reportChanges(BasicObservationReporter.java:211)
	at org.apache.sling.jcr.resource.internal.JcrResourceListener.onEvent(JcrResourceListener.java:155)
	at org.apache.jackrabbit.commons.observation.ListenerTracker$1.onEvent(ListenerTracker.java:190)
	at org.apache.jackrabbit.oak.jcr.observation.ChangeProcessor.contentChanged(ChangeProcessor.java:507)
	at org.apache.jackrabbit.oak.plugins.observation.FilteringDispatcher.contentChanged(FilteringDispatcher.java:53)
	at org.apache.jackrabbit.oak.spi.commit.BackgroundObserver$1$1.call(BackgroundObserver.java:134)
	at org.apache.jackrabbit.oak.spi.commit.BackgroundObserver$1$1.call(BackgroundObserver.java:128)
	at java.util.concurrent.FutureTask.run(FutureTask.java:262)
	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
	at java.lang.Thread.run(Thread.java:745)

and

23.07.2017 17:13:37.475 *WARN* [sling-oak-observation-23] org.apache.sling.jcr.resource.internal.helper.jcr.JcrResourceProvider Unable to refresh session.
javax.jcr.RepositoryException: This session has been closed.
	at org.apache.jackrabbit.oak.jcr.session.SessionImpl.checkAlive(SessionImpl.java:141)
	at org.apache.jackrabbit.oak.jcr.session.SessionImpl.refresh(SessionImpl.java:431)
	at com.adobe.granite.repository.impl.CRX3SessionImpl.refresh(CRX3SessionImpl.java:213)
	at org.apache.sling.jcr.resource.internal.helper.jcr.JcrResourceProvider.refresh(JcrResourceProvider.java:516)
	at org.apache.sling.resourceresolver.impl.providers.stateful.AuthenticatedResourceProvider.refresh(AuthenticatedResourceProvider.java:89)
	at org.apache.sling.resourceresolver.impl.helper.ResourceResolverControl.refresh(ResourceResolverControl.java:154)
	at org.apache.sling.resourceresolver.impl.ResourceResolverImpl.refresh(ResourceResolverImpl.java:1256)
	at org.apache.sling.resourceresolver.impl.mapping.MapEntries.refreshResolverIfNecessary(MapEntries.java:640)
	at org.apache.sling.resourceresolver.impl.mapping.MapEntries.updateResource(MapEntries.java:291)
	at org.apache.sling.resourceresolver.impl.mapping.MapEntries.onChange(MapEntries.java:733)
	at org.apache.sling.resourceresolver.impl.observation.BasicObservationReporter.reportChanges(BasicObservationReporter.java:211)
	at org.apache.sling.jcr.resource.internal.JcrResourceListener.onEvent(JcrResourceListener.java:155)
	at org.apache.jackrabbit.commons.observation.ListenerTracker$1.onEvent(ListenerTracker.java:190)
	at org.apache.jackrabbit.oak.jcr.observation.ChangeProcessor.contentChanged(ChangeProcessor.java:507)
	at org.apache.jackrabbit.oak.plugins.observation.FilteringDispatcher.contentChanged(FilteringDispatcher.java:53)
	at org.apache.jackrabbit.oak.spi.commit.BackgroundObserver$1$1.call(BackgroundObserver.java:134)
	at org.apache.jackrabbit.oak.spi.commit.BackgroundObserver$1$1.call(BackgroundObserver.java:128)
	at java.util.concurrent.FutureTask.run(FutureTask.java:262)
	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
	at java.lang.Thread.run(Thread.java:745)