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  1. MariaDB MaxScale
  2. MXS-4458

Many Unknown prepared statement handler (7) given to MaxScale for COM_STMT_EXECUTE warnings after upgrade to 6.4 and 22.08

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Details

    • Bug
    • Status: Closed (View Workflow)
    • Major
    • Resolution: Not a Bug
    • 22.08.3
    • N/A
    • N/A
    • None

    Description

      We are getting a lot of alerts in the maxscale log with the below warnings after we upgrade to 6.1 and 22.08 versions.

      But the warning is started from Maxscale 6 version. But we don't see these errors in the previous versions like 2.5 and before 2.5 versions.

      2022-12-19 02:01:24 warning: (3375914) (server1); Unknown prepared statement handler (7) given to MaxScale for COM_STMT_EXECUTE by 'test_app_usr'@'192.168.101.1'
      2022-12-19 02:01:25 warning: (3375717) (server1); Unknown prepared statement handler (7) given to MaxScale for COM_STMT_EXECUTE by 'test_app_usr'@'192.168.101.2'
      2022-12-19 02:01:25 warning: (3375717) (server1); Unknown prepared statement handler (7) given to MaxScale for COM_STMT_EXECUTE by 'test_app_usr'@'192.168.101.2'
      2022-12-19 02:01:26 warning: (3375914) (server1); Unknown prepared statement handler (7) given to MaxScale for COM_STMT_EXECUTE by 'test_app_usr'@'192.168.101.1'
      2022-12-19 02:02:17 warning: (3375914) (server1); Unknown prepared statement handler (7) given to MaxScale for COM_STMT_EXECUTE by 'test_app_usr'@'192.168.101.1'
      2022-12-19 02:02:18 warning: (3375716) (server1); Unknown prepared statement handler (12) given to MaxScale for COM_STMT_EXECUTE by 'test_app_usr'@'192.168.101.2'
      2022-12-19 02:02:19 warning: (3375914) (server1); Unknown prepared statement handler (7) given to MaxScale for COM_STMT_EXECUTE by 'test_app_usr'@'192.168.101.1'
      2022-12-19 02:02:20 warning: (3375716) (server1); Unknown prepared statement handler (12) given to MaxScale for COM_STMT_EXECUTE by 'test_app_usr'@'192.168.101.2'
      2022-12-19 02:02:20 warning: (3375914) (server1); Unknown prepared statement handler (7) given to MaxScale for COM_STMT_EXECUTE by 'test_app_usr'@'192.168.101.1'
      2022-12-19 02:02:20 warning: (3375716) (server1); Unknown prepared statement handler (12) given to MaxScale for COM_STMT_EXECUTE by 'test_app_usr'@'192.168.101.2'
      2022-12-19 02:02:20 warning: (3375914) (server1); Unknown prepared statement handler (7) given to MaxScale for COM_STMT_EXECUTE by 'test_app_usr'@'192.168.101.1'
      2022-12-19 02:02:24 warning: (3375914) (server1); Unknown prepared statement handler (7) given to MaxScale for COM_STMT_EXECUTE by 'test_app_usr'@'192.168.101.1'
      2022-12-19 02:02:28 warning: (3375914) (server1); Unknown prepared statement handler (7) given to MaxScale for COM_STMT_EXECUTE by 'test_app_usr'@'192.168.101.1'

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            Unassigned Unassigned
            naresh.chandra@copart.com Naresh Chandra
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              Updated:
              Resolved:

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