Roman Puchkovskiy created IGNITE-20624:
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Summary: 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
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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