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  1. MariaDB MaxScale
  2. MXS-3275

Strange authentication errors with persistent connections after upgrade to 2.5.5

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Details

    • Bug
    • Status: Closed (View Workflow)
    • Major
    • Resolution: Fixed
    • 2.5.5
    • 2.5.9
    • Authenticator
    • None
    • MXS-SPRINT-121

    Description

      A lot of errors are logged after upgrading to 2.5.5 (from 2.3.x)

      MariaDB version is 10.3.25

      2020-11-01 16:30:24   error  : (511660) Invalid authentication message from backend 'db3'. Error code: 1047, Msg : #08S01: Unknown command
      2020-11-01 16:30:24   error  : (511660) Invalid authentication message from backend 'db2'. Error code: 1047, Msg : #08S01: Unknown command
      2020-11-01 16:30:25   error  : (511660) Invalid authentication message from backend 'db3'. Error code: 1047, Msg : #08S01: Unknown command
      2020-11-01 16:30:42   error  : (512393) Invalid authentication message from backend 'db3'. Error code: 1047, Msg : #08S01: Unknown command
      2020-11-01 16:30:42   error  : (512393) Invalid authentication message from backend 'db2'. Error code: 1047, Msg : #08S01: Unknown command
      2020-11-01 16:30:43   error  : (512393) Invalid authentication message from backend 'db3'. Error code: 1047, Msg : #08S01: Unknown command
      2020-11-01 16:30:47   error  : (512527) Invalid authentication message from backend 'db2'. Error code: 1047, Msg : #08S01: Unknown command
      2020-11-01 16:30:47   error  : (512527) Invalid authentication message from backend 'db3'. Error code: 1047, Msg : #08S01: Unknown command
      2020-11-01 16:31:02   error  : (513425) Invalid authentication message from backend 'db3'. Error code: 1047, Msg : #08S01: Unknown command
      2020-11-01 16:31:02   error  : (513425) Invalid authentication message from backend 'db2'. Error code: 1047, Msg : #08S01: Unknown command
      2020-11-01 16:31:02   error  : (513426) Invalid authentication message from backend 'db3'. Error code: 1047, Msg : #08S01: Unknown command
      2020-11-01 16:31:02   error  : (513429) Invalid authentication message from backend 'db3'. Error code: 1047, Msg : #08S01: Unknown command
      2020-11-01 16:31:02   error  : (513426) Invalid authentication message from backend 'db2'. Error code: 1047, Msg : #08S01: Unknown command
      

      I have virtually no clue why I'm getting these, most connections seem to work fine.

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            markus makela markus makela
            dicode Tim Westervoorde
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            Dates

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              Updated:
              Resolved:

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