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https://issues.apache.org/jira/browse/IGNITE-25518?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=18108911#comment-18108911
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Ignite TC Bot commented on IGNITE-25518:
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I reviewed implementation PR #12107 and commit 8f855a4fc2 in the local Ignite 2
checkout. This adds validation for duplicate cache group names during snapshot
restore and returns a clear IllegalArgumentException for an invalid input case;
it does not change the documented snapshot restore syntax or add a new
user-facing option. I removed only Docs Required and preserved Release Notes
Required.
> Snapshot restore fails with IllegalStateException when duplicate cache group
> names are provided in the collection
> -----------------------------------------------------------------------------------------------------------------
>
> Key: IGNITE-25518
> URL: https://issues.apache.org/jira/browse/IGNITE-25518
> Project: Ignite
> Issue Type: Task
> Reporter: Vladislav Novikov
> Assignee: Vladislav Novikov
> Priority: Major
> Labels: ise
> Fix For: 2.18
>
> Attachments: reproducer.patch
>
> Time Spent: 0.5h
> Remaining Estimate: 0h
>
> When calling {{restoreSnapshot}} and passing a collection of cache group
> names that contains *duplicate entries* , an {{IllegalStateException}} is
> thrown with the message:
> {{(err) Failed to notify listener (is grid stopped?) [fut=GridFutureAdapter
> [ignoreInterrupts=false, state=DONE,
> res=o.a.i.i.processors.cache.persistence.snapshot.SnapshotPartitionsVerifyTaskResult@65754192,
> hash=1714739685],
> lsnr=o.a.i.i.processors.cache.persistence.snapshot.SnapshotRestoreProcess$$Lambda$1276/0x00000008008cac40@43ec83dc,
> err=Duplicate key 280828085 (attempted merging values testCacheGrp and
> testCacheGrp)]java.lang.IllegalStateException: Duplicate key 280828085
> (attempted merging values testCacheGrp and testCacheGrp)}}
> and the snapshot restore procedure freezes.
> To reproduce the error, apply the patch attached here to master and run
> {{{}SnapshotCompatibilityTest#testSnapshotRestore{}}}.
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