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https://issues.apache.org/jira/browse/SLING-3706?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14047474#comment-14047474
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Andrei Dulvac commented on SLING-3706:
--------------------------------------
Great [~justinedelson]. I tested this and it works perfectly. Thanks.
> Sling Resource Resolver - NPE with oak for vanity paths
> -------------------------------------------------------
>
> Key: SLING-3706
> URL: https://issues.apache.org/jira/browse/SLING-3706
> Project: Sling
> Issue Type: Bug
> Components: ResourceResolver
> Affects Versions: Resource Resolver 1.1.2
> Reporter: Andrei Dulvac
> Assignee: Justin Edelson
> Labels: oak
> Fix For: Resource Resolver 1.1.2
>
>
> The sling resource resolver fails on OAK if you add the sling:vanityPath
> property quasi-concurrently. Just add nodes and add the property in an
> automated way, without wait.
> This works on sling on jackrabbit, fails with oak.
> I get:
> {code}
> 23.06.2014 17:47:17.760 WARN [pool-5-thread-4] org.apache.felix.eventadmin
> Service [Map Entries Observation,2923] EventAdmin: Exception during event
> dispatch [org.osgi.service.event.Event
> [topic=org/apache/sling/api/resource/Resource/CHANGED] |
> [org.osgi.service.event.EventHandler] |
> Bundle(org.apache.sling.resourceresolver [217])]
> (java.lang.NullPointerException)
> java.lang.NullPointerException: null
> at
> org.apache.sling.resourceresolver.impl.mapping.MapEntries.loadVanityPath(MapEntries.java:748)
> at
> org.apache.sling.resourceresolver.impl.mapping.MapEntries.doAddVanity(MapEntries.java:292)
> at
> org.apache.sling.resourceresolver.impl.mapping.MapEntries.doAddAttributes(MapEntries.java:209)
> at
> org.apache.sling.resourceresolver.impl.mapping.MapEntries.handleEvent(MapEntries.java:505)
> at
> org.apache.felix.eventadmin.impl.handler.EventHandlerProxy.sendEvent(EventHandlerProxy.java:412)
> at
> org.apache.felix.eventadmin.impl.tasks.SyncDeliverTasks.execute(SyncDeliverTasks.java:118)
> at
> org.apache.felix.eventadmin.impl.handler.EventAdminImpl.sendEvent(EventAdminImpl.java:114)
> at
> org.apache.felix.eventadmin.impl.security.EventAdminSecurityDecorator.sendEvent(EventAdminSecurityDecorator.java:96)
> at
> org.apache.sling.jcr.resource.internal.OakResourceListener.sendOsgiEvent(OakResourceListener.java:243)
> at
> org.apache.sling.jcr.resource.internal.OakResourceListener.changed(OakResourceListener.java:133)
> at
> org.apache.jackrabbit.oak.plugins.observation.NodeObserver$NodeEventHandler.leave(NodeObserver.java:204)
> at
> org.apache.jackrabbit.oak.plugins.observation.FilteredHandler.leave(FilteredHandler.java:51)
> at
> org.apache.jackrabbit.oak.plugins.observation.EventGenerator$Continuation.run(EventGenerator.java:154)
> at
> org.apache.jackrabbit.oak.plugins.observation.EventGenerator.generate(EventGenerator.java:98)
> at
> org.apache.jackrabbit.oak.plugins.observation.NodeObserver.contentChanged(NodeObserver.java:155)
> at
> org.apache.jackrabbit.oak.spi.commit.BackgroundObserver$1$1.call(BackgroundObserver.java:117)
> at
> org.apache.jackrabbit.oak.spi.commit.BackgroundObserver$1$1.call(BackgroundObserver.java:111)
> at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:334)
> at java.util.concurrent.FutureTask.run(FutureTask.java:166)
> 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:722)
> {code}
> After debugging this, the problem is that resource is null in
> MapEntries.java:291 :
> {code}
> private void doAddVanity(String path) {
> Resource resource = resolver.getResource(path);
> loadVanityPath(resource, resolveMapsMap, vanityTargets);
> }
> {code}
> Introduced by r1605423
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