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https://issues.apache.org/jira/browse/IGNITE-26807?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Ilya Shishkov updated IGNITE-26807:
-----------------------------------
Description:
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}
[2025-10-22T17:04:40,785][ERROR][sys-stripe-4-#76%cdc.CdcIgniteToIgniteReplicationTest2%][CacheVersionConflictResolverImpl]
<active-active-cache> Conflict can't be resolved, update ignored [key=487,
fromCluster=2, toCluster=1]
[2025-10-22T17:04:40,785][DEBUG][sys-stripe-4-#76%cdc.CdcIgniteToIgniteReplicationTest2%][CacheVersionConflictResolverImpl]
<active-active-cache> isUseNew[start=false, oldVer=GridCacheVersion
[topVer=372621862, order=1761141859680, nodeOrder=1, dataCenterId=1],
newVer=GridCacheVersion [topVer=372621863, order=1761141862983, nodeOrder=2,
dataCenterId=2], oldExpire=[0,0], newExpire=[0,0], old=null, new=988, res=false]
{code}
Reproducer: [^Reproducer.patch]
was:
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}
[2025-10-22T17:04:40,785][ERROR][sys-stripe-4-#76%cdc.CdcIgniteToIgniteReplicationTest2%][CacheVersionConflictResolverImpl]
<active-active-cache> Conflict can't be resolved, update ignored [key=487,
fromCluster=2, toCluster=1]
[2025-10-22T17:04:40,785]
[DEBUG][sys-stripe-4-#76%cdc.CdcIgniteToIgniteReplicationTest2%][CacheVersionConflictResolverImpl]
<active-active-cache> isUseNew[start=false, oldVer=GridCacheVersion
[topVer=372621862, order=1761141859680, nodeOrder=1, dataCenterId=1],
newVer=GridCacheVersion [topVer=372621863, order=1761141862983, nodeOrder=2,
dataCenterId=2], oldExpire=[0,0], newExpire=[0,0], old=null, new=988, res=false]
{code}
Reproducer: [^Reproducer.patch]
> 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
> 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}
> [2025-10-22T17:04:40,785][ERROR][sys-stripe-4-#76%cdc.CdcIgniteToIgniteReplicationTest2%][CacheVersionConflictResolverImpl]
> <active-active-cache> Conflict can't be resolved, update ignored [key=487,
> fromCluster=2, toCluster=1]
> [2025-10-22T17:04:40,785][DEBUG][sys-stripe-4-#76%cdc.CdcIgniteToIgniteReplicationTest2%][CacheVersionConflictResolverImpl]
> <active-active-cache> isUseNew[start=false, oldVer=GridCacheVersion
> [topVer=372621862, order=1761141859680, nodeOrder=1, dataCenterId=1],
> newVer=GridCacheVersion [topVer=372621863, order=1761141862983, nodeOrder=2,
> dataCenterId=2], oldExpire=[0,0], newExpire=[0,0], old=null, new=988,
> res=false]
> {code}
> Reproducer: [^Reproducer.patch]
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