[FELIX-6564] NPE while retrieving component descriptions from SCR

• Type: Bug
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Affects Version/s: scr-2.1.30
• Fix Version/s: scr-2.2.4
• Component/s: Declarative Services (SCR)
• Labels: pull-request-available
• Assignee: Jean-Baptiste Onofré
• Reporter: Amit Mondal
• Created: 14/Sep/22 09:47
• Updated: 06/Oct/22 15:33
• Resolved: 06/Oct/22 15:33

Description

The following exception occurs while retrieving the component descriptions using ServiceComponentRuntime service. Even though this occurs in v2.1.30, I believe, it is also lurking in v2.2.x.

java.lang.NullPointerException: null
    at org.apache.felix.scr.impl.runtime.ServiceComponentRuntimeImpl.holderToDescription(holderToDescription:352)
    at org.apache.felix.scr.impl.runtime.ServiceComponentRuntimeImpl.getComponentConfigurationDTOs(getComponentConfigurationDTOs:132)
    at com.qivicon.extension.diagnostic.dataproviders.ServiceComponentDataProvider.lambda$null$1(lambda$null$1:51)
    at java.util.stream.ReferencePipeline$3$1.accept(accept:193)
    at java.util.stream.SortedOps$SizedRefSortingSink.end(end:357)
    at java.util.stream.AbstractPipeline.copyInto(copyInto:483)
    at java.util.stream.AbstractPipeline.wrapAndCopyInto(wrapAndCopyInto:472)
    at java.util.stream.AbstractPipeline.evaluate(evaluate:546)
    at java.util.stream.AbstractPipeline.evaluateToArrayNode(evaluateToArrayNode:260)
    at java.util.stream.ReferencePipeline.toArray(toArray:505)
    at com.qivicon.extension.diagnostic.dataproviders.ServiceComponentDataProvider.lambda$storeDiagnosticData$3(lambda$storeDiagnosticData$3:54)
    at java.util.Optional.ifPresent(ifPresent:159)
    at com.qivicon.extension.diagnostic.dataproviders.ServiceComponentDataProvider.storeDiagnosticData(storeDiagnosticData:42)
    at com.qivicon.extension.diagnostic.data.impl.CombinedDiagnosticDataManagerImpl.lambda$createDiagnosticDataFiles$0(lambda$createDiagnosticDataFiles$0:277)
    at com.qivicon.runtime.executors.impl.ScheduledExecutorServiceImpl$NamedCallable.call(call:120)
    at java.util.concurrent.FutureTask.run(run:266)
    at java.util.concurrent.ThreadPoolExecutor.runWorker(runWorker:1149)
    at java.util.concurrent.ThreadPoolExecutor$Worker.run(run:624)
    at java.lang.Thread.run(run:750) 

Issue Links

• links to: GitHub Pull Request #172