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https://issues.apache.org/jira/browse/IGNITE-26807?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=18046117#comment-18046117
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Ilya Shishkov commented on IGNITE-26807:
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*Run All:*
https://ci2.ignite.apache.org/buildConfiguration/IgniteExtensions_Tests_RunAllTests/8760059?buildTab=overview
*CDC Suite:*
https://ci2.ignite.apache.org/buildConfiguration/IgniteExtensions_Tests_Cdc/8760036
> CDC: Unexpected conflicts when updating expiring entry
> ------------------------------------------------------
>
> Key: IGNITE-26807
> URL: https://issues.apache.org/jira/browse/IGNITE-26807
> Project: Ignite
> Issue Type: Task
> Components: extensions
> Reporter: Ilya Shishkov
> Assignee: Ilya Shishkov
> Priority: Major
> Labels: ise
> Attachments: Reproducer.patch
>
>
> Such errors can occur, when using active-active CDC for caches with expiry
> policy.
> How to reproduce conflicts:
> # Start active-active CDC.
> # Configure conflict resolver with conflict resolvable field.
> # Set expiry policy for CDC caches.
> # Put entry on DC1.
> # Put updated entry on DC2 at a moment when old entry in DC1 should expire.
> # Replication conflict in DC1 can occur.
> {code}
> [2025-10-22T19:35:50,518][ERROR][sys-stripe-3-#4%cdc.CdcIgniteToIgniteReplicationTest1%][CacheVersionConflictResolverImpl]
> <active-active-cache> Conflict can't be resolved, update ignored [key=470,
> fromCluster=2, toCluster=1]
> [2025-10-22T19:35:50,518][DEBUG][sys-stripe-3-#4%cdc.CdcIgniteToIgniteReplicationTest1%][CacheVersionConflictResolverImpl]
> <active-active-cache> isUseNew[start=false, oldVer=GridCacheVersion
> [topVer=372630931, order=1761150929060, nodeOrder=2, dataCenterId=1],
> newVer=GridCacheVersion [topVer=372630933, order=1761150932512, nodeOrder=2,
> dataCenterId=2], oldExpire=[0,0], newExpire=[0,1761150959664], old=null,
> new=963, res=false]
> {code}
> Reproducer: [^Reproducer.patch]
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