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  1. MariaDB MaxScale
  2. MXS-2997

"Unexpected internal state: received response 0x00 from server" after upgrade from from 2.3.4 to 2.3.17

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    • MXS-SPRINT-113

    Description

      After an upgrade from MaxScale 2.3.4 to 2.3.17, the maxscale log shows entries of the form

      2020-04-08 19:33:41 error : (30245) Unexpected internal state: received response 0x00 from server 'server1' when no response was expected. Command: 0x03 Query: <not available>

      every once in a while.

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          markus makela markus makela added a comment -

          Knowing how to reproduce this would help. Adding retain_last_statements=100 and dump_last_statements=on_error would show the previous SQL executed before the error is logged.

          markus makela markus makela added a comment - Knowing how to reproduce this would help. Adding retain_last_statements=100 and dump_last_statements=on_error would show the previous SQL executed before the error is logged.
          markus makela markus makela added a comment -

          Added some extra logging to the next 2.3 release that'll show the latest session command whenever one of these messages is logged. That in addition to retain_last_statements=100 should help reveal what is going on.

          markus makela markus makela added a comment - Added some extra logging to the next 2.3 release that'll show the latest session command whenever one of these messages is logged. That in addition to retain_last_statements=100 should help reveal what is going on.

          People

            markus makela markus makela
            hholzgra Hartmut Holzgraefe
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              Updated:
              Resolved:

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