[jira] [Created] (SLING-6020) Reduce log error 'No Descriptor value available' down to warn

["Stefan Egli (JIRA)" <ji...@apache.org>]

Stefan Egli created SLING-6020:
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             Summary: Reduce log error 'No Descriptor value available' down to warn
                 Key: SLING-6020
                 URL: https://issues.apache.org/jira/browse/SLING-6020
             Project: Sling
          Issue Type: Improvement
          Components: Extensions
    Affects Versions: Discovery Oak 1.2.8
            Reporter: Stefan Egli
            Assignee: Stefan Egli
            Priority: Minor
             Fix For: Discovery Oak 1.2.10


During OSGi service re-registration it can happen that the following exception occurrs: 

{noformat}java.lang.Exception: No Descriptor value available
	at org.apache.sling.discovery.commons.providers.spi.base.DiscoveryLiteDescriptor.getDescriptorFrom(DiscoveryLiteDescriptor.java:45)
	at org.apache.sling.discovery.oak.cluster.OakClusterViewService.getLocalClusterView(OakClusterViewService.java:111)
	at org.apache.sling.discovery.base.commons.BaseDiscoveryService.getTopology(BaseDiscoveryService.java:77)
	at org.apache.sling.discovery.oak.OakDiscoveryService.checkForTopologyChange(OakDiscoveryService.java:657)
	at org.apache.sling.discovery.oak.pinger.OakViewChecker.discoveryLiteCheck(OakViewChecker.java:232)
	at org.apache.sling.discovery.oak.pinger.OakViewChecker.access$000(OakViewChecker.java:64)
	at org.apache.sling.discovery.oak.pinger.OakViewChecker$1.run(OakViewChecker.java:208)
	at org.apache.sling.discovery.base.commons.PeriodicBackgroundJob.safelyRun(PeriodicBackgroundJob.java:86)
	at org.apache.sling.discovery.base.commons.PeriodicBackgroundJob.run(PeriodicBackgroundJob.java:77)
	at java.lang.Thread.run(Unknown Source){noformat}
{noformat}

In this case a log ERROR is perhaps a bit loud. 

Reduce that to log WARN (without the exception)



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