[jira] [Created] (IGNITE-9428) MVCC TX: Multiple H2ResultSetIterator closing leads to assertion in MvccProcessor

[Anton Vinogradov (Jira)]

Roman Kondakov created IGNITE-9428:
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             Summary: MVCC TX: Multiple H2ResultSetIterator closing leads to assertion in MvccProcessor
                 Key: IGNITE-9428
                 URL: https://issues.apache.org/jira/browse/IGNITE-9428
             Project: Ignite
          Issue Type: Bug
          Components: mvcc
            Reporter: Roman Kondakov


Reproducer: {{CacheMvccSqlTxQueriesAbstractTest#testAccountsTxDmlSumSql_WithRemoves_SingleNode}} 

Due to [IGNITE-9256|https://issues.apache.org/jira/browse/IGNITE-9256] patch, multiple {{H2ResultSetIterator#onClose}} invocation becomes possible. This can be considered as a {{Closable}} contract violation and should be fixed.

Also this case revealed a bug in {{MvccQueryTrackerImpl}} when multiple {{onDone()}} call leads to multiple query finished acks sent back to the {{MvccCoordinator}} which leads to the problems with the query tracking and assertion errors.



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