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https://issues.apache.org/jira/browse/IGNITE-20624?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Andrey Mashenkov reassigned IGNITE-20624:
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Assignee: Andrey Mashenkov
> Race between getting logical topology and mapping fragments
> -----------------------------------------------------------
>
> Key: IGNITE-20624
> URL: https://issues.apache.org/jira/browse/IGNITE-20624
> Project: Ignite
> Issue Type: Bug
> Reporter: Roman Puchkovskiy
> Assignee: Andrey Mashenkov
> Priority: Major
> Labels: ignite-3
> Fix For: 3.0.0-beta2
>
>
> MappingServiceImpl#nodesSetRef might contain an empty set when mapping if the
> logical topology event hasn't occurred yet. This results in colocation
> targets having {{nodes}} equal to 0, so no targets are colocated, even if
> they are supposed to be. This results in 'ColocationMappingException: Targets
> are not colocated' (thrown in AbstractTarget:123, as of commit
> b9bd1c4db01a5377190b363c208375d845890265).
> This is easily reproducible locally with
> ItDataSchemaSyncTest#checkSchemasCorrectlyRestore()
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