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Posted to dev@sling.apache.org by "Stefan Egli (JIRA)" <ji...@apache.org> on 2015/04/16 14:55:58 UTC
[jira] [Commented] (SLING-4556) NPE in
DiscoveryServiceImpl#activate
[ https://issues.apache.org/jira/browse/SLING-4556?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14498013#comment-14498013 ]
Stefan Egli commented on SLING-4556:
------------------------------------
This I believe happens when
{code}
parentResource = resolver.getResource("/");
{code}
(in [ResourceUtil.java:596|https://github.com/apache/sling/blob/trunk/bundles/api/src/main/java/org/apache/sling/api/resource/ResourceUtil.java#L596]) results in {{null}}. [~cziegeler], [~rombert], wonder if that is a (known) startup-glitch?
> NPE in DiscoveryServiceImpl#activate
> ------------------------------------
>
> Key: SLING-4556
> URL: https://issues.apache.org/jira/browse/SLING-4556
> Project: Sling
> Issue Type: Bug
> Components: Extensions
> Affects Versions: Discovery Impl 1.1.0
> Reporter: Carsten Ziegeler
> Fix For: Discovery Impl 1.1.2
>
>
> 31.03.2015 05:33:44.001 *ERROR* [Thread-77] org.apache.sling.discovery.impl [org.apache.sling.discovery.impl.DiscoveryServiceImpl(85)] The activate method has thrown an exception (java.lang.NullPointerException)
> java.lang.NullPointerException: null
> at org.apache.sling.resourceresolver.impl.ResourceResolverImpl.create(ResourceResolverImpl.java:1123)
> at org.apache.sling.api.resource.ResourceUtil.getOrCreateResourceInternal(ResourceUtil.java:611)
> at org.apache.sling.api.resource.ResourceUtil.getOrCreateResource(ResourceUtil.java:554)
> at org.apache.sling.api.resource.ResourceUtil.getOrCreateResource(ResourceUtil.java:528)
> at org.apache.sling.api.resource.ResourceUtil.getOrCreateResourceInternal(ResourceUtil.java:599)
> at org.apache.sling.api.resource.ResourceUtil.getOrCreateResource(ResourceUtil.java:554)
> at org.apache.sling.api.resource.ResourceUtil.getOrCreateResource(ResourceUtil.java:528)
> at org.apache.sling.api.resource.ResourceUtil.getOrCreateResourceInternal(ResourceUtil.java:599)
> at org.apache.sling.api.resource.ResourceUtil.getOrCreateResource(ResourceUtil.java:554)
> at org.apache.sling.api.resource.ResourceUtil.getOrCreateResource(ResourceUtil.java:528)
> at org.apache.sling.api.resource.ResourceUtil.getOrCreateResourceInternal(ResourceUtil.java:599)
> at org.apache.sling.api.resource.ResourceUtil.getOrCreateResource(ResourceUtil.java:554)
> at org.apache.sling.api.resource.ResourceUtil.getOrCreateResource(ResourceUtil.java:528)
> at org.apache.sling.discovery.impl.common.resource.ResourceHelper.getOrCreateResource(ResourceHelper.java:45)
> at org.apache.sling.discovery.impl.topology.announcement.AnnouncementRegistryImpl.listAnnouncementsInSameCluster(AnnouncementRegistryImpl.java:150)
> at org.apache.sling.discovery.impl.topology.announcement.AnnouncementRegistryImpl.listInstances(AnnouncementRegistryImpl.java:542)
> at org.apache.sling.discovery.impl.DiscoveryServiceImpl.getTopology(DiscoveryServiceImpl.java:443)
> at org.apache.sling.discovery.impl.DiscoveryServiceImpl.activate(DiscoveryServiceImpl.java:149)
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