Mentat

Found (and forgotten) during server upgrade - when shutting down, storage lost (or reused after remove) a savepoint.

2024-03-11 10:11:32,577 mentat-storage.py [1499] INFO: Component 'storage': Committing all pending messages and switching to immediate commit mode.
2024-03-11 10:11:32,577 mentat-storage.py [1499] ERROR: Exception <class 'mentat.services.eventstorage.EventStorageException'>: Savepoint does not exist in
transaction.
2024-03-11 10:11:32,581 mentat-storage.py [1499] ERROR:
  File "/var/mentat/venv/lib/python3.11/site-packages/pyzenkit/zendaemon.py", line 1209, in _sub_stage_process
        self._event_loop()
  File "/var/mentat/venv/lib/python3.11/site-packages/pyzenkit/zendaemon.py", line 1188, in _event_loop
        (flag, args) = handler(self, args)
                                   ^^^^^^^^^^^^^^^^^^^
  File "/var/mentat/venv/lib/python3.11/site-packages/mentat/daemon/component/storage.py", line 238, in cbk_event_stop
        self._commit_pending()
  File "/var/mentat/venv/lib/python3.11/site-packages/mentat/daemon/component/storage.py", line 323, in _commit_pending
        self.event_service.commit_bulk()
  File "/var/mentat/venv/lib/python3.11/site-packages/mentat/services/eventstorage.py", line 1010, in wrapped_f
        return func(other_self, *args, **kwargs)
                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/var/mentat/venv/lib/python3.11/site-packages/mentat/services/eventstorage.py", line 1097, in commit_bulk
        self.savepoint_release()
  File "/var/mentat/venv/lib/python3.11/site-packages/mentat/services/eventstorage.py", line 1010, in wrapped_f
        return func(other_self, *args, **kwargs)
                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/var/mentat/venv/lib/python3.11/site-packages/mentat/services/eventstorage.py", line 1131, in savepoint_release
        raise EventStorageException("Savepoint does not exist in transaction.")