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Posted to issues@ozone.apache.org by "Sadanand Shenoy (Jira)" <ji...@apache.org> on 2024/07/22 08:45:00 UTC
[jira] [Resolved] (HDDS-11187) Fix Event Handling Corruption in OMDBUpdatesHandler to Prevent ClassCastException in Recon Server
[ https://issues.apache.org/jira/browse/HDDS-11187?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Sadanand Shenoy resolved HDDS-11187.
------------------------------------
Resolution: Fixed
> Fix Event Handling Corruption in OMDBUpdatesHandler to Prevent ClassCastException in Recon Server
> -------------------------------------------------------------------------------------------------
>
> Key: HDDS-11187
> URL: https://issues.apache.org/jira/browse/HDDS-11187
> Project: Apache Ozone
> Issue Type: Bug
> Components: Ozone Recon
> Reporter: Arafat Khan
> Assignee: Arafat Khan
> Priority: Major
> Labels: pull-request-available
> Fix For: 1.5.0
>
>
> A *ClassCastException* occurs in the Recon server during the FileSizeCountTask, where RepeatedOmKeyInfo is incorrectly cast to OmKeyInfo, causing task processing to fail.
>
> {code:java}
> 2024-06-11 10:40:03,700 INFO org.apache.hadoop.ozone.recon.tasks.FileSizeCountTask: Completed a 'process' run of FileSizeCountTask.
> 2024-06-11 10:40:03,700 ERROR org.apache.hadoop.ozone.recon.tasks.ReconTaskControllerImpl: Unexpected error :
> java.util.concurrent.ExecutionException: java.lang.ClassCastException: class org.apache.hadoop.ozone.om.helpers.RepeatedOmKeyInfo cannot be cast to class org.apache.hadoop.ozone.om.helpers.OmKeyInfo (org.apache.hadoop.ozone.om.helpers.RepeatedOmKeyInfo and org.apache.hadoop.ozone.om.helpers.OmKeyInfo are in unnamed module of loader 'app')
> 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.ClassCastException: class org.apache.hadoop.ozone.om.helpers.RepeatedOmKeyInfo cannot be cast to class org.apache.hadoop.ozone.om.helpers.OmKeyInfo (org.apache.hadoop.ozone.om.helpers.RepeatedOmKeyInfo and org.apache.hadoop.ozone.om.helpers.OmKeyInfo are in unnamed module of loader 'app')
> at org.apache.hadoop.ozone.recon.tasks.NSSummaryTaskWithFSO.processWithFSO(NSSummaryTaskWithFSO.java:90)
> 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)
> ... 3 more {code}
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