[jira] [Created] (IGNITE-9470) MVCC TX: Mvcc transactions should throw proper exception when rolled back.

[Anton Vinogradov (Jira)]

Roman Kondakov created IGNITE-9470:
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             Summary: MVCC TX: Mvcc transactions should throw proper exception when rolled back.
                 Key: IGNITE-9470
                 URL: https://issues.apache.org/jira/browse/IGNITE-9470
             Project: Ignite
          Issue Type: Bug
          Components: jdbc, mvcc, odbc
            Reporter: Roman Kondakov
             Fix For: 2.7


When MVCC transaction is rolled back due to a write conflict it throws {{CacheException}} with "Mvcc version mismatch" message. This behavior violates Ignite transactions API. Instead it should throw {{TransactionRollbackException}} with a clear message like a "Transaction has been aborted due to a write conflict (Please try again.)"

It is also need to propogate this changes to JDBC and ODBC components and fix mvcc tests.



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