Weewx crashed again tonight with what seems to be the same root cause.
Here is the syslog just at the moment it crashed. Again, looking at the
data, I cannot see any spurious text/numbers. Out of interest, is accum.py
run every iteration of the engine or only on an interval?
May 6 20:20:30 raspberrypi weewx[333]: interceptor: MainThread: raw
packet: {'wind_speed': 0.0, 'humidity_in': 43.0, 'temperature_in': 68.4,
'barometer': 30.15, 'windchill': 46.9, 'dewpoint': 40.5, 'battery': 0.0,
'humidity_out': 78.0, 'uv': 0.0, 'radiation': 0.15, 'rain': 0.0,
'dateTime': 1557170426, 'temperature_out': 46.9, 'wind_dir': 143.0,
'rain_total': 4.49, 'usUnits': 1, 'wind_gust': 0.0}
May 6 20:20:30 raspberrypi weewx[333]: interceptor: MainThread: mapped
packet: {'barometer': 30.15, 'windchill': 46.9, 'dewpoint': 40.5,
'outHumidity': 78.0, 'UV': 0.0, 'radiation': 0.15, 'rain': 0.0, 'dateTime':
1557170426, 'windDir': 143.0, 'outTemp': 46.9, 'windSpeed': 0.0,
'txBatteryStatus': 0.0, 'inTemp': 68.4, 'windGust': 0.0, 'inHumidity':
43.0, 'usUnits': 1}
May 6 20:20:30 raspberrypi weewx[333]: manager: Added record 2019-05-06
20:20:31 BST (1557170431) to database 'cmon.sdb'
May 6 20:20:30 raspberrypi weewx[333]: engine: Main loop exiting. Shutting
engine down.
May 6 20:20:30 raspberrypi weewx[333]: engine: Shutting down StdReport
thread
May 6 20:20:30 raspberrypi weewx[333]: engine: StdReport thread has been
terminated
May 6 20:20:30 raspberrypi weewx[333]: restx: Shut down WOW thread.
May 6 20:20:30 raspberrypi weewx[333]: restx: Shut down PWSWeather thread.
May 6 20:20:31 raspberrypi weewx[333]: restx: Shut down Wunderground-PWS
thread.
May 6 20:20:31 raspberrypi weewx[333]: restx: Shut down StationRegistry
thread.
May 6 20:20:31 raspberrypi weewx[333]: interceptor: MainThread: shutting
down server thread
May 6 20:20:31 raspberrypi weewx[333]: interceptor: MainThread: stop tcp
server
May 6 20:20:31 raspberrypi weewx[333]: engine: Caught unrecoverable
exception in engine:
May 6 20:20:31 raspberrypi weewx[333]: **** accum:
ScalarStats.addHiLo expected float or int, got 710464
May 6 20:20:31 raspberrypi weewx[333]: **** Traceback (most recent
call last):
May 6 20:20:31 raspberrypi weewx[333]: **** File
"/usr/share/weewx/weewx/engine.py", line 890, in main
May 6 20:20:31 raspberrypi weewx[333]: **** engine.run()
May 6 20:20:31 raspberrypi weewx[333]: **** File
"/usr/share/weewx/weewx/engine.py", line 202, in run
May 6 20:20:31 raspberrypi weewx[333]: ****
self.dispatchEvent(weewx.Event(weewx.POST_LOOP))
May 6 20:20:31 raspberrypi weewx[333]: **** File
"/usr/share/weewx/weewx/engine.py", line 224, in dispatchEvent
May 6 20:20:31 raspberrypi weewx[333]: **** callback(event)
May 6 20:20:31 raspberrypi weewx[333]: **** File
"/usr/share/weewx/weewx/engine.py", line 574, in post_loop
May 6 20:20:31 raspberrypi weewx[333]: ****
self._software_catchup()
May 6 20:20:31 raspberrypi weewx[333]: **** File
"/usr/share/weewx/weewx/engine.py", line 646, in _software_catchup
May 6 20:20:31 raspberrypi weewx[333]: ****
self.engine.dispatchEvent(weewx.Event(weewx.NEW_ARCHIVE_RECORD,
record=record, origin='software'))
May 6 20:20:31 raspberrypi weewx[333]: **** File
"/usr/share/weewx/weewx/engine.py", line 224, in dispatchEvent
May 6 20:20:31 raspberrypi weewx[333]: **** callback(event)
May 6 20:20:31 raspberrypi weewx[333]: **** File
"/usr/share/weewx/user/cmon.py", line 704, in new_archive_record
May 6 20:20:31 raspberrypi weewx[333]: ****
self.save_data(self.get_data(now, self.last_ts))
May 6 20:20:31 raspberrypi weewx[333]: **** File
"/usr/share/weewx/user/cmon.py", line 711, in save_data
May 6 20:20:31 raspberrypi weewx[333]: ****
self.dbm.addRecord(record)
May 6 20:20:31 raspberrypi weewx[333]: **** File
"/usr/share/weewx/weewx/manager.py", line 246, in addRecord
May 6 20:20:31 raspberrypi weewx[333]: ****
self._addSingleRecord(record, cursor, log_level)
May 6 20:20:31 raspberrypi weewx[333]: **** File
"/usr/share/weewx/weewx/manager.py", line 1216, in _addSingleRecord
May 6 20:20:31 raspberrypi weewx[333]: ****
_day_summary.addRecord(record, weight=_weight)
May 6 20:20:31 raspberrypi weewx[333]: **** File
"/usr/share/weewx/weewx/accum.py", line 256, in addRecord
May 6 20:20:31 raspberrypi weewx[333]: **** func(self, record,
obs_type, add_hilo, weight)
May 6 20:20:31 raspberrypi weewx[333]: **** File
"/usr/share/weewx/weewx/accum.py", line 314, in add_value
May 6 20:20:31 raspberrypi weewx[333]: ****
self[obs_type].addHiLo(val, record['dateTime'])
May 6 20:20:31 raspberrypi weewx[333]: **** File
"/usr/share/weewx/weewx/accum.py", line 77, in addHiLo
May 6 20:20:31 raspberrypi weewx[333]: **** raise
ValueError("accum: ScalarStats.addHiLo expected float or int, got %s" % val)
May 6 20:20:31 raspberrypi weewx[333]: **** ValueError: accum:
ScalarStats.addHiLo expected float or int, got 710464
May 6 20:20:31 raspberrypi weewx[333]: **** Exiting.
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