Overview buffer contains garbage

Overview buffer contains garbage

[Thien-Thi Nguyen]

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I see a message like this every once in a while:

Overview buffer contains garbage ‘an 2021 09:28:15 -0300	<6006d062.1c69fb81.9582b.0045@mx.google.com>	<5ffe3063.1c69fb81.52f23.11a7@mx.google.com>	6898	23	Xref: news.gmane.io gmane.emacs.bugs:198159’.

What does it mean and how can i get rid of it?

-- 
Thien-Thi Nguyen -----------------------------------------------
 (defun responsep (query)               ; (2021) Software Libero
   (pcase (context query)               ;       = Dissenso Etico
     (`(technical ,ml) (correctp ml))
     ...))                              748E A0E8 1CB8 A748 9BFA
--------------------------------------- 6CE4 6703 2224 4C80 7502

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Re: Overview buffer contains garbage

[Eric Abrahamsen]

Thien-Thi Nguyen <ttn@gnuvola.org> writes:

> I see a message like this every once in a while:
>
> Overview buffer contains garbage ‘an 2021 09:28:15 -0300
> <6006d062.1c69fb81.9582b.0045@mx.google.com>
> <5ffe3063.1c69fb81.52f23.11a7@mx.google.com> 6898 23 Xref:
> news.gmane.io gmane.emacs.bugs:198159’.
>
> What does it mean and how can i get rid of it?

It means that the Gnus agent has saved nov/header data in its .overview
file that it was subsequently unable to make sense of. Each header line
is supposed to start with an integer indicating the article number being
read. In your case, the line seems to start with "an"? Or maybe it looks
like "an" is part of a date format that Gnus is expecting?

Anyhow, it would be useful to see the (full) offending line from the
.overview file in the corresponding agent directory.

Eric

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Re: Overview buffer contains garbage

[Thien-Thi Nguyen]

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() Eric Abrahamsen <eric@ericabrahamsen.net>
() Mon, 15 Feb 2021 15:54:58 -0800

   It means that the Gnus agent has saved nov/header data in its
   .overview file that it was subsequently unable to make sense
   of. Each header line is supposed to start with an integer
   indicating the article number being read. In your case, the
   line seems to start with "an"? Or maybe it looks like "an" is
   part of a date format that Gnus is expecting?

   Anyhow, it would be useful to see the (full) offending line
   from the .overview file in the corresponding agent directory.

Yeah, that was the full line (starts with "an").  While waiting
for your response (thanks, btw!), i looked in gnus.info for
something along the lines of "regenerate overview", but IIUC the
instructions there are not suitable for ‘nntp’ (the backend for
this particular group).

Afterwards, i found the offending line and deleted it (along w/
a bunch of versioned ".overview.N.~" backup files) .  So far, so
good; no errors yet...

-- 
Thien-Thi Nguyen -----------------------------------------------
 (defun responsep (query)               ; (2021) Software Libero
   (pcase (context query)               ;       = Dissenso Etico
     (`(technical ,ml) (correctp ml))
     ...))                              748E A0E8 1CB8 A748 9BFA
--------------------------------------- 6CE4 6703 2224 4C80 7502


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