Alexey Goncharuk created IGNITE-7569:
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             Summary: Index rebuild future is created too late
                 Key: IGNITE-7569
                 URL: https://issues.apache.org/jira/browse/IGNITE-7569
             Project: Ignite
          Issue Type: Bug
    Affects Versions: 2.4
            Reporter: Alexey Goncharuk
            Assignee: Alexey Goncharuk
             Fix For: 2.5


rebuildIndexesIfNeeded is called before the exchange future onDone method, 
which may be too late in a distributed case: a node may complete a local 
exchange and send a compute job to a remote node. In this case, if the job 
checks the index rebuild future, it may observe {{null}}.

To fix this, we should create the future in beforeExchange, and complete it 
after the rebuild is finished.



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