[SLING-4556] NPE in DiscoveryServiceImpl#activate due to OakSlingRepositoryManager restart during startup

• Type: Bug
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Fix Version/s: Launchpad Builder 8
• Component/s: Launchpad
• Assignee: Robert Munteanu
• Reporter: Carsten Ziegeler
• Created: 31/Mar/15 13:36
• Updated: 16/Oct/15 14:06
• Resolved: 05/Aug/15 14:32

Description

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)

Issue Links

• is blocked by: SLING-4928 Configure the SlingServerRepository using the provisioning model