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Posted to issues@ozone.apache.org by "Wei-Chiu Chuang (Jira)" <ji...@apache.org> on 2023/02/08 14:48:00 UTC
[jira] [Created] (HDDS-7926) [hsync] Recon throws ClassCastException
Wei-Chiu Chuang created HDDS-7926:
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Summary: [hsync] Recon throws ClassCastException
Key: HDDS-7926
URL: https://issues.apache.org/jira/browse/HDDS-7926
Project: Apache Ozone
Issue Type: Sub-task
Reporter: Wei-Chiu Chuang
Recon server doesn't show the correct number of files/keys.
Found this error in Recon server:
{noformat}
2023-02-08 14:30:30,774 ERROR org.apache.hadoop.ozone.recon.tasks.FileSizeCountTask: Unexpected exception while processing key /vol1/bucket1/hbase/MasterData/WALs/weic
hiu-1.weichiu.root.hwx.site,22001,1675748204950/weichiu-1.weichiu.root.hwx.site%2C22001%2C1675748204950.1675865324614.
java.lang.ClassCastException: org.apache.hadoop.ozone.om.helpers.RepeatedOmKeyInfo cannot be cast to org.apache.hadoop.ozone.om.helpers.OmKeyInfo
at org.apache.hadoop.ozone.recon.tasks.FileSizeCountTask.process(FileSizeCountTask.java:144)
at org.apache.hadoop.ozone.recon.tasks.ReconTaskControllerImpl.lambda$consumeOMEvents$0(ReconTaskControllerImpl.java:113)
at java.util.concurrent.FutureTask.run(FutureTask.java:266)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
at java.lang.Thread.run(Thread.java:748)
2023-02-08 14:30:30,775 ERROR org.apache.hadoop.ozone.recon.tasks.ReconTaskControllerImpl: Unexpected error :
java.util.concurrent.ExecutionException: java.lang.ClassCastException: org.apache.hadoop.ozone.om.helpers.RepeatedOmKeyInfo cannot be cast to org.apache.hadoop.ozone.om.helpers.OmKeyInfo
at java.util.concurrent.FutureTask.report(FutureTask.java:122)
at java.util.concurrent.FutureTask.get(FutureTask.java:192)
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:503)
at org.apache.hadoop.ozone.recon.spi.impl.OzoneManagerServiceProviderImpl.lambda$startSyncDataFromOM$0(OzoneManagerServiceProviderImpl.java:258)
at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308)
at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180)
at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
at java.lang.Thread.run(Thread.java:748)
Caused by: java.lang.ClassCastException: org.apache.hadoop.ozone.om.helpers.RepeatedOmKeyInfo cannot be cast to org.apache.hadoop.ozone.om.helpers.OmKeyInfo
at org.apache.hadoop.ozone.recon.tasks.NSSummaryTaskWithLegacy.processWithLegacy(NSSummaryTaskWithLegacy.java:93)
at org.apache.hadoop.ozone.recon.tasks.NSSummaryTask.process(NSSummaryTask.java:99)
at org.apache.hadoop.ozone.recon.tasks.ReconTaskControllerImpl.lambda$consumeOMEvents$0(ReconTaskControllerImpl.java:113)
at java.util.concurrent.FutureTask.run(FutureTask.java:266)
... 3 more{noformat}
I suspect this is because the value of the deletedTable OMMetadataManager.getDeletedTable() is RepeatedOmKeyInfo, unlike like other tables where the value is OmKeyInfo.
We need to do better type check here.
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