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https://issues.apache.org/jira/browse/HDDS-9712?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17788108#comment-17788108
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Hemant Kumar commented on HDDS-9712:
------------------------------------

Duplicate of https://issues.apache.org/jira/browse/HDDS-9597.

> [snapshot] IllegalArgumentException encountered when generating snapshotDiff 
> report between 2 snapshots
> -------------------------------------------------------------------------------------------------------
>
>                 Key: HDDS-9712
>                 URL: https://issues.apache.org/jira/browse/HDDS-9712
>             Project: Apache Ozone
>          Issue Type: Bug
>          Components: Snapshot
>            Reporter: Jyotirmoy Sinha
>            Priority: Major
>              Labels: ozone-snapshot
>
> IllegalArgumentException encountered when generating snapshotDiff report 
> between 2 snapshots
> OM Log error stacktrace :
> {code:java}
> 2023-11-16 22:54:02,685 INFO [IPC Server handler 9 on 
> 9862]-org.apache.hadoop.ozone.om.snapshot.SnapshotDiffManager: Submitting 
> snap diff report generation request for volume: voly6zr4, bucket: 
> buckety6zr4, fromSnapshot: snap-r2gac and toSnapshot: snap-ohtc8
> 2023-11-16 22:54:02,685 INFO 
> [snapshot-diff-job-thread-id-11]-org.apache.hadoop.ozone.om.snapshot.SnapshotDiffManager:
>  Started snap diff report generation for volume: 'voly6zr4', bucket: 
> 'buckety6zr4', fromSnapshot: 'snap-r2gac', toSnapshot: 'snap-ohtc8'
> 2023-11-16 22:54:02,686 INFO 
> [snapshot-diff-job-thread-id-11]-org.apache.hadoop.ozone.om.snapshot.SnapshotCache:
>  Loading snapshot. Table key: /voly6zr4/buckety6zr4/snap-r2gac
> 2023-11-16 22:54:02,686 INFO 
> [snapshot-diff-job-thread-id-11]-org.apache.hadoop.ozone.om.snapshot.SnapshotCache:
>  Loading snapshot. Table key: /voly6zr4/buckety6zr4/snap-ohtc8
> 2023-11-16 22:54:02,717 ERROR 
> [snapshot-diff-job-thread-id-11]-org.apache.hadoop.ozone.om.snapshot.SnapshotDiffManager:
>  Caught unchecked exception during diff report generation for volume: 
> voly6zr4 bucket: buckety6zr4, fromSnapshot: snap-r2gac and toSnapshot: 
> snap-ohtc8
> java.lang.IllegalArgumentException: Dir object Ids required but not found in 
> bucket: [-9223372036853486845, -9223372036853486846, -9223372036853480191, 
> -9223372036853481215, -9223372036853482751, -9223372036853484799, 
> -9223372036853485311, -9223372036853486847, -9223372036853505791, 
> -9223372036853506303, -9223372036853486842, -9223372036853486843, 
> -9223372036853486844]
>         at 
> org.apache.hadoop.ozone.om.snapshot.FSODirectoryPathResolver.getAbsolutePathForObjectIDs(FSODirectoryPathResolver.java:104)
>         at 
> org.apache.hadoop.ozone.om.snapshot.SnapshotDiffManager.lambda$5(SnapshotDiffManager.java:981)
>         at 
> org.apache.hadoop.ozone.om.snapshot.SnapshotDiffManager.generateSnapshotDiffReport(SnapshotDiffManager.java:1014)
>         at 
> org.apache.hadoop.ozone.om.snapshot.SnapshotDiffManager.lambda$2(SnapshotDiffManager.java:741)
>         at 
> java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1128)
>         at 
> java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628)
>         at java.base/java.lang.Thread.run(Thread.java:834) {code}
>  



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