TypeError: Object of type ... is not JSON serializable #37

919353 --- Logging error ---
919354 Traceback (most recent call last):
...
919362 During handling of the above exception, another exception occurred:
919363
919364 Traceback (most recent call last):
919365 File "/opt/metwork-mfext-2.1/opt/python3_core/lib/python3.10/logging/handlers.py", line 971, in emit
919366 msg = self.format(record)
919367 File "/opt/metwork-mfext-2.1/opt/python3_core/lib/python3.10/logging/__init__.py", line 943, in format
919368 return fmt.format(record)
919369 File "/opt/metwork-mfext-2.1/opt/python3/lib/python3.10/site-packages/mflog/syslog.py", line 15, in format
919370 return json.dumps(record.msg)
919371 File "/opt/metwork-mfext-2.1/opt/python3_core/lib/python3.10/json/__init__.py", line 231, in dumps
919372 return _default_encoder.encode(obj)
919373 File "/opt/metwork-mfext-2.1/opt/python3_core/lib/python3.10/json/encoder.py", line 199, in encode
919374 chunks = self.iterencode(o, _one_shot=True)
919375 File "/opt/metwork-mfext-2.1/opt/python3_core/lib/python3.10/json/encoder.py", line 257, in iterencode
919376 return _iterencode(o, 0)
919377 File "/opt/metwork-mfext-2.1/opt/python3_core/lib/python3.10/json/encoder.py", line 179, in default
919378 raise TypeError(f'Object of type {o.__class__.__name__} '
919379 TypeError: Object of type UndefinedTable is not JSON serializable
919380 Call stack:
919381 File "/home/mfdata/var/plugins/my_plugin/image_importer.py", line 304, in <module>
919382 x.run()
919383 File "/opt/metwork-mfext-2.1/opt/python3/lib/python3.10/site-packages/acquisition/step.py", line 544, in run
919384 self.__run_in_daemon_mode(
919385 File "/opt/metwork-mfext-2.1/opt/python3/lib/python3.10/site-packages/acquisition/step.py", line 329, in __run_in_daemon_mode
919386 self._process(xaf)
919387 File "/opt/metwork-mfext-2.1/opt/python3/lib/python3.10/site-packages/acquisition/step.py", line 153, in _process
919388 process_status = self._exception_safe_call(
919389 File "/opt/metwork-mfext-2.1/opt/python3/lib/python3.10/site-packages/acquisition/step.py", line 129, in _exception_safe_call
919390 return func(*args, **kwargs)
919391 File "/home/mfdata/var/plugins/my_plugin/image_importer.py", line 295, in process
919392 self.save_image_ref(self.layer_id, self.new_filename)
919393 File "/home/mfdata/var/plugins/my_plugin/image_importer.py", line 229, in save_image_ref
919394 self.error(error)
919395 File "/opt/metwork-mfext-2.1/opt/python3/lib/python3.10/site-packages/acquisition/base.py", line 164, in error
919396 logger.error(msg, *args, **kwargs)
919397 File "/opt/metwork-mfext-2.1/opt/python3/lib/python3.10/site-packages/structlog/stdlib.py", line 200, in error
919398 return self._proxy_to_logger("error", event, *args, **kw)
919399 File "/opt/metwork-mfext-2.1/opt/python3/lib/python3.10/site-packages/structlog/stdlib.py", line 247, in _proxy_to_logger
919400 return super()._proxy_to_logger(method_name, event=event, **event_kw)
919401 File "/opt/metwork-mfext-2.1/opt/python3/lib/python3.10/site-packages/structlog/_base.py", line 206, in _proxy_to_logger
919402 return getattr(self._logger, method_name)(*args, **kw)
919403 File "/opt/metwork-mfext-2.1/opt/python3/lib/python3.10/site-packages/mflog/__init__.py", line 216, in _msg_stderr
919404 self._msg(self._stderr_print_logger, **event_dict)
919405 File "/opt/metwork-mfext-2.1/opt/python3/lib/python3.10/site-packages/mflog/__init__.py", line 139, in _msg
919406 self._syslog(**event_dict)
919407 File "/opt/metwork-mfext-2.1/opt/python3/lib/python3.10/site-packages/mflog/__init__.py", line 233, in _syslog
919408 self._syslog_logger.msg(event_dict)
919409 File "/opt/metwork-mfext-2.1/opt/python3/lib/python3.10/site-packages/mflog/syslog.py", line 39, in msg
919410 self.__syslog_handler.emit(record)
919411 Message: {'name': 'mfdata......main', 'event': UndefinedTable('relation "..." does not exist\nLINE 2: INSERT INTO ....(....), 'level': 'error', 'pid': 2622228, 'plugin': '....', 'timestamp': '2023-02-01T11:21:24.256635Z'}

except (Exception) as error:
 LOGGER.error(error)