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Posted to issues@ozone.apache.org by "Attila Doroszlai (Jira)" <ji...@apache.org> on 2023/10/21 07:49:00 UTC
[jira] [Created] (HDDS-9519) NPE in OM background services during restart
Attila Doroszlai created HDDS-9519:
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Summary: NPE in OM background services during restart
Key: HDDS-9519
URL: https://issues.apache.org/jira/browse/HDDS-9519
Project: Apache Ozone
Issue Type: Bug
Components: OM
Reporter: Attila Doroszlai
Assignee: Attila Doroszlai
Various OM background services can encounter NPE during shutdown:
{code}
2023-10-20 11:38:21,873 [omNode-3-KeyDeletingService#0] WARN utils.BackgroundService (BackgroundService.java:lambda$run$0(145)) - Background task execution failed
java.lang.NullPointerException
at org.apache.hadoop.ozone.om.OzoneManager.isLeaderReady(OzoneManager.java:4068)
at org.apache.hadoop.ozone.om.service.DirectoryDeletingService.shouldRun(DirectoryDeletingService.java:110)
at org.apache.hadoop.ozone.om.service.DirectoryDeletingService.access$0(DirectoryDeletingService.java:105)
at org.apache.hadoop.ozone.om.service.DirectoryDeletingService$DirDeletingTask.call(DirectoryDeletingService.java:145)
at org.apache.hadoop.hdds.utils.BackgroundService$PeriodicalTask.lambda$run$0(BackgroundService.java:140)
{code}
This happens mostly in integration tests that restart OM.
* https://github.com/adoroszlai/ozone-build-results/blob/master/2023/09/14/25374/it-om/hadoop-ozone/integration-test/org.apache.hadoop.ozone.om.TestSnapshotBackgroundServices-output.txt
* https://github.com/adoroszlai/ozone-build-results/blob/master/2023/10/09/25832/it-om/hadoop-ozone/integration-test/org.apache.hadoop.ozone.om.TestOzoneManagerHAMetadataOnly-output.txt
* https://github.com/adoroszlai/ozone-build-results/blob/master/2023/10/17/26083/it-om/hadoop-ozone/integration-test/org.apache.hadoop.ozone.om.TestOzoneManagerHAMetadataOnly-output.txt
* https://github.com/adoroszlai/ozone-build-results/blob/master/2023/10/20/26171/it-om/hadoop-ozone/integration-test/org.apache.hadoop.ozone.om.TestOzoneManagerHAMetadataOnly-output.txt
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