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From "Aleksandr Polovtcev (Jira)" <j...@apache.org>
Subject [jira] [Created] (IGNITE-14824) DirectMessageWriter can write partial message header
Date Thu, 03 Jun 2021 22:00:00 GMT
Aleksandr Polovtcev created IGNITE-14824:
--------------------------------------------

             Summary: DirectMessageWriter can write partial message header
                 Key: IGNITE-14824
                 URL: https://issues.apache.org/jira/browse/IGNITE-14824
             Project: Ignite
          Issue Type: Bug
          Components: networking
    Affects Versions: 3.0.0-alpha3
            Reporter: Aleksandr Polovtcev
            Assignee: Aleksandr Polovtcev
             Fix For: 3.0.0-alpha3


{{DirectMessageWriter#writeHeader}} writes the message header as two {{short}} values. This
may result in problems, when the outgoing buffer only has less 2 or 3 bytes left, in which
case only one {{short}} value will be actually sent. Current code does not handle this situation
properly, so it will send the whole header again, despite that the first two bytes have already
been transferred to the receiving side.



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