[ 
https://issues.apache.org/jira/browse/HDDS-9530?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
 ]

Zita Dombi updated HDDS-9530:
-----------------------------
    Description: 
NullPointerException in handling deleteKey event in NSSummaryFSO task:
{code:java}
2023-10-19 10:43:29,340 ERROR 
[pool-28-thread-1]-org.apache.hadoop.ozone.recon.tasks.ReconTaskControllerImpl: 
Unexpected error :
java.util.concurrent.ExecutionException: java.lang.NullPointerException
        at java.base/java.util.concurrent.FutureTask.report(FutureTask.java:122)
        at java.base/java.util.concurrent.FutureTask.get(FutureTask.java:191)
        at 
org.apache.hadoop.ozone.recon.tasks.ReconTaskControllerImpl.processTaskResults(ReconTaskControllerImpl.java:247)
        at 
org.apache.hadoop.ozone.recon.tasks.ReconTaskControllerImpl.consumeOMEvents(ReconTaskControllerImpl.java:118)
        at 
org.apache.hadoop.ozone.recon.spi.impl.OzoneManagerServiceProviderImpl.syncDataFromOM(OzoneManagerServiceProviderImpl.java:511)
        at 
org.apache.hadoop.ozone.recon.spi.impl.OzoneManagerServiceProviderImpl.lambda$startSyncDataFromOM$0(OzoneManagerServiceProviderImpl.java:258)
        at 
java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:515)
        at 
java.base/java.util.concurrent.FutureTask.runAndReset(FutureTask.java:305)
        at 
java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:305)
        at 
java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1128)
        at 
java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628)
        at java.base/java.lang.Thread.run(Thread.java:834)
Caused by: java.lang.NullPointerException
        at 
org.apache.hadoop.ozone.recon.tasks.NSSummaryTaskDbEventHandler.handleDeleteKeyEvent(NSSummaryTaskDbEventHandler.java:156)
        at 
org.apache.hadoop.ozone.recon.tasks.NSSummaryTaskWithFSO.processWithFSO(NSSummaryTaskWithFSO.java:99)
        at 
org.apache.hadoop.ozone.recon.tasks.NSSummaryTask.process(NSSummaryTask.java:97)
        at 
org.apache.hadoop.ozone.recon.tasks.ReconTaskControllerImpl.lambda$consumeOMEvents$0(ReconTaskControllerImpl.java:113)
        at 
java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264){code}

  was:
NullPointerException in handling deleteKey event in NSSummaryFSO task:

 
2023-10-19 10:43:29,340 ERROR 
[pool-28-thread-1]-org.apache.hadoop.ozone.recon.tasks.ReconTaskControllerImpl: 
Unexpected error :
java.util.concurrent.ExecutionException: java.lang.NullPointerException
        at java.base/java.util.concurrent.FutureTask.report(FutureTask.java:122)
        at java.base/java.util.concurrent.FutureTask.get(FutureTask.java:191)
        at 
org.apache.hadoop.ozone.recon.tasks.ReconTaskControllerImpl.processTaskResults(ReconTaskControllerImpl.java:247)
        at 
org.apache.hadoop.ozone.recon.tasks.ReconTaskControllerImpl.consumeOMEvents(ReconTaskControllerImpl.java:118)
        at 
org.apache.hadoop.ozone.recon.spi.impl.OzoneManagerServiceProviderImpl.syncDataFromOM(OzoneManagerServiceProviderImpl.java:511)
        at 
org.apache.hadoop.ozone.recon.spi.impl.OzoneManagerServiceProviderImpl.lambda$startSyncDataFromOM$0(OzoneManagerServiceProviderImpl.java:258)
        at 
java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:515)
        at 
java.base/java.util.concurrent.FutureTask.runAndReset(FutureTask.java:305)
        at 
java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:305)
        at 
java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1128)
        at 
java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628)
        at java.base/java.lang.Thread.run(Thread.java:834)
Caused by: java.lang.NullPointerException
        at 
org.apache.hadoop.ozone.recon.tasks.NSSummaryTaskDbEventHandler.handleDeleteKeyEvent(NSSummaryTaskDbEventHandler.java:156)
        at 
org.apache.hadoop.ozone.recon.tasks.NSSummaryTaskWithFSO.processWithFSO(NSSummaryTaskWithFSO.java:99)
        at 
org.apache.hadoop.ozone.recon.tasks.NSSummaryTask.process(NSSummaryTask.java:97)
        at 
org.apache.hadoop.ozone.recon.tasks.ReconTaskControllerImpl.lambda$consumeOMEvents$0(ReconTaskControllerImpl.java:113)
        at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)


> Recon - NPE in handling deleteKey event in NSSummaryFSO task
> ------------------------------------------------------------
>
>                 Key: HDDS-9530
>                 URL: https://issues.apache.org/jira/browse/HDDS-9530
>             Project: Apache Ozone
>          Issue Type: Bug
>            Reporter: Devesh Kumar Singh
>            Assignee: Devesh Kumar Singh
>            Priority: Major
>              Labels: pull-request-available
>
> NullPointerException in handling deleteKey event in NSSummaryFSO task:
> {code:java}
> 2023-10-19 10:43:29,340 ERROR 
> [pool-28-thread-1]-org.apache.hadoop.ozone.recon.tasks.ReconTaskControllerImpl:
>  Unexpected error :
> java.util.concurrent.ExecutionException: java.lang.NullPointerException
>         at 
> java.base/java.util.concurrent.FutureTask.report(FutureTask.java:122)
>         at java.base/java.util.concurrent.FutureTask.get(FutureTask.java:191)
>         at 
> org.apache.hadoop.ozone.recon.tasks.ReconTaskControllerImpl.processTaskResults(ReconTaskControllerImpl.java:247)
>         at 
> org.apache.hadoop.ozone.recon.tasks.ReconTaskControllerImpl.consumeOMEvents(ReconTaskControllerImpl.java:118)
>         at 
> org.apache.hadoop.ozone.recon.spi.impl.OzoneManagerServiceProviderImpl.syncDataFromOM(OzoneManagerServiceProviderImpl.java:511)
>         at 
> org.apache.hadoop.ozone.recon.spi.impl.OzoneManagerServiceProviderImpl.lambda$startSyncDataFromOM$0(OzoneManagerServiceProviderImpl.java:258)
>         at 
> java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:515)
>         at 
> java.base/java.util.concurrent.FutureTask.runAndReset(FutureTask.java:305)
>         at 
> java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:305)
>         at 
> java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1128)
>         at 
> java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628)
>         at java.base/java.lang.Thread.run(Thread.java:834)
> Caused by: java.lang.NullPointerException
>         at 
> org.apache.hadoop.ozone.recon.tasks.NSSummaryTaskDbEventHandler.handleDeleteKeyEvent(NSSummaryTaskDbEventHandler.java:156)
>         at 
> org.apache.hadoop.ozone.recon.tasks.NSSummaryTaskWithFSO.processWithFSO(NSSummaryTaskWithFSO.java:99)
>         at 
> org.apache.hadoop.ozone.recon.tasks.NSSummaryTask.process(NSSummaryTask.java:97)
>         at 
> org.apache.hadoop.ozone.recon.tasks.ReconTaskControllerImpl.lambda$consumeOMEvents$0(ReconTaskControllerImpl.java:113)
>         at 
> java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264){code}



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