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https://issues.apache.org/jira/browse/SLING-4103?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Carsten Ziegeler closed SLING-4103.
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> Potential NPE when services get restarted
> -----------------------------------------
>
> Key: SLING-4103
> URL: https://issues.apache.org/jira/browse/SLING-4103
> Project: Sling
> Issue Type: Bug
> Components: Extensions
> Affects Versions: Event 3.4.0
> Reporter: Carsten Ziegeler
> Assignee: Carsten Ziegeler
> Fix For: Event 3.4.2
>
>
> When components get restarted, this might result in NPEs which in turn make
> the whole eventing unusabel, e.g. :
> 23.10.2014 15:59:01.274 WARN [OsgiInstallerImpl]
> org.apache.sling.discovery.impl.DiscoveryServiceImpl sendTopologyEvent:
> handler threw exception. handler:
> org.apache.sling.event.impl.jobs.config.JobManagerConfiguration@45c91803,
> exception: java.lang.NullPointerException
> java.lang.NullPointerException: null
> at
> org.apache.sling.event.impl.jobs.queues.QueueManager.restart(QueueManager.java:289)
> at
> org.apache.sling.event.impl.jobs.queues.QueueManager.configurationChanged(QueueManager.java:349)
> at
> org.apache.sling.event.impl.jobs.config.JobManagerConfiguration.notifiyListeners(JobManagerConfiguration.java:476)
> at
> org.apache.sling.event.impl.jobs.config.JobManagerConfiguration.stopProcessing(JobManagerConfiguration.java:450)
> at
> org.apache.sling.event.impl.jobs.config.JobManagerConfiguration.handleTopologyEvent(JobManagerConfiguration.java:505)
> at
> org.apache.sling.discovery.impl.DiscoveryServiceImpl.sendTopologyEvent(DiscoveryServiceImpl.java:192)
> at
> org.apache.sling.discovery.impl.DiscoveryServiceImpl.handlePotentialTopologyChange(DiscoveryServiceImpl.java:484)
> at
> org.apache.sling.discovery.impl.DiscoveryServiceImpl.bindPropertyProviderInteral(DiscoveryServiceImpl.java:272)
> at
> org.apache.sling.discovery.impl.DiscoveryServiceImpl.updatedPropertyProvider(DiscoveryServiceImpl.java:285)
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