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https://issues.apache.org/jira/browse/SLING-4556?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14644475#comment-14644475
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Robert Munteanu commented on SLING-4556:
----------------------------------------
I've attached [^SLING-4556-1.patch] which contains the following fix:
- Move org.apache.sling.installer.factory.configuration to the :boot
feature so that components are configured as soon as they become
availalble, otherwise that would've happened at start level 20
- Move the org.apache.sling.jcr.oak.server bundle to start level 16, so
that all the bundles which provide its dependendencies, mostly oak-core,
are properly configured when the OakSlingRepositoryManager is activated
With this the problem is gone for me, but I'll also ask on dev@sling since I am
not 100% confident that there are no side effects
> NPE in DiscoveryServiceImpl#activate due to OakSlingRepositoryManager restart
> during startup
> --------------------------------------------------------------------------------------------
>
> Key: SLING-4556
> URL: https://issues.apache.org/jira/browse/SLING-4556
> Project: Sling
> Issue Type: Bug
> Components: JCR
> Reporter: Carsten Ziegeler
> Assignee: Robert Munteanu
> Fix For: JCR Oak Server 1.0.0
>
> Attachments: SLING-4556-1.patch
>
>
> 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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