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  1. MariaDB Connector/C
  2. CONC-650

Connector/C fails to read MariaDB binlog with XA transactions

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Details

    • Bug
    • Status: Closed (View Workflow)
    • Blocker
    • Resolution: Fixed
    • 3.3.5
    • 3.3.6
    • Replication/Binlog API
    • None
    • Client running on Windows
      MariaDB 10.7

    Description

      Hi, I'm using MariaDB Connector/C 3.3.5 to read binary logs.
      It works perfectly for MySQL 8.0 and MariaDB 10.5 databases.
      For MariaDB 10.6 and above, mariadb_rpl_fetch() crashes if the binlog contains XA transactions.
      Specifically, the function fails when it tries to read event type GTID with this contents:
      'XA START X'54584e31',X'',1 GTID 0-1-21'

      If the function doesn't crash, it returns this error:

      Read next binary log event failed; mariadb_rpl_fetch error 1236 (Failed to replace GTID event with backwards-compatible event: corrupt event.;

      Please advise . Thanks.
      Sruli

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            georg Georg Richter
            sruli.ganor Sruli Ganor
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            Dates

              Created:
              Updated:
              Resolved:

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