Re: [weewx-user] catching the 'why' of engine.py exiting

Mon, 03 Aug 2026 19:12:01 -0700

I did not run anything.  I probably didn’t clearly identify a quote I included.

Off topic, but since I’ve been looking at the log:

LOG SNIPPET:
vt-1 | 2026-07-31 10:23:08,908 weewxd[8] ERROR weewx.cheetahgenerator: **** Ignoring template /home/weewx/weewx-data/skins/new-belchertown/json/weewx_data.json.tmpl
vt-1 | 2026-07-31 10:23:08,910 weewxd[8] ERROR weewx.cheetahgenerator: **** Reason: [Errno 2] No such file or directory: '/home/weewx/weewx-data/almanac_daylight_data.inc'
END OF LOG SNIPPET

It is looking for almanac_daylight_data.inc in the wrong place.  And I don’t think that file is part of Betchlertown 2.0.


On Aug 3, 2026, at 7:04 PM, Vince Skahan <[email protected]> wrote:

I suggested trying to bisect the commits by trying versions between what worked and what doesn’t to try to pin down which commit was the one that triggered the issue, but that’s a lot of work.

John did you run the simulator or vs a davis station ?  I can try to test on a rebuilt pi4 tomorrow or even build my own docker image pretty easily vs a very big db but only vs the sim. Don’t want to break my prod pi :-)

On Monday, August 3, 2026 at 5:43:18 PM UTC-7 Rich Bell wrote:
Sounds like the new version is hitting the database “hard”. Should be easy enough for the extension writer to know what SQL queries were introduced and possibly create a “debug version” to see what is going on.
Disclaimer: I have not followed the link, only following this discussion.
rich
On Mon, Aug 3, 2026 at 7:58 PM Vince Skahan <[email protected]> wrote:
No it doesn’t say that in anything I’ve read or have been told via email.

https://github.com/uajqq/weewx-belchertown-new/issues/298 has the github issue and more info. Short description is version X works and version Y does not, so it sounds like a version issue to me,

I suppose it is remotely possible there is a hung docker container holding the file open but that’s unlikely. The o.p. is an experienced docker user.

On Monday, August 3, 2026 at 4:34:54 PM UTC-7 John Kline wrote:
> The OP stated (in the original thread) that he had multiple weewx instances running.

If the OP has multiple weewx instances running and writing to the same SQLite db, there is nothing to investigate.  Is that really the case?

On Aug 3, 2026, at 4:11 PM, Pablo Sanchez <[email protected]> wrote:


SQL lite only allows a single writer at the file level. The OP stated (in the original thread) that he had multiple weewx instances running.
---
pablo

On August 3, 2026 18:10:52 Greg Troxel <[email protected]> wrote:

Is there really full locking, vs using transactions?  SERIALIZABLE, or
just READ COMMITTED?

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