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Re: Search finds no messages

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"Loris Bennett" <loris.bennett@fu-berlin.de> writes:

> "Loris Bennett" <loris.bennett@fu-berlin.de> writes:
>
>> "Loris Bennett" <loris.bennett@fu-berlin.de> writes:
>>
>>> "Loris Bennett" <loris.bennett@fu-berlin.de> writes:
>>>
>>>> Hi Gijs,
>>>>
>>>> Gijs Hillenius <gijs@hillenius.net> writes:
>>>>
>>>>> On  8 August 2023 10:22 Loris Bennett, wrote:
>>>>>
>>>>>> Hi,
>>>>>>
>>>>>> I have just upgraded my Debian system from 11 to 12 and now, when I try
>>>>>> to search within a group in the *Group* buffer with 'G G' I always get
>>>>>> an error like
>>>>>>
>>>>>>   Group nnselect:nnselect-87zg32gdj4.fsf contains no messages
>>>>>>
>>>>>> even when I know that there are messages in the group and that some of
>>>>>> these contain the string I searched for.  If I enter the group, messages
>>>>>> are displayed.
>>>>>>
>>>>>> Does anyone know what the problems might be or at least where I should
>>>>>> start looking in order to debug the problem?
>>>>>
>>>>> Hello
>>>>>
>>>>> We probably need more info. Did something else change ?
>>>>
>>>> Not that I am aware of, but that is a fairly major change :-)
>>>>
>>>>> What mail
>>>>> backend are you using?
>>>>
>>>>   nnimap
>>>>
>>>> but I also have the problem in the nntp groups, although with those I
>>>> seen the following in the *Messages* buffer:
>>>>
>>>>   nnselect-run: gnus-search-run-query on ((search-query-spec (query
>>>>   . loris) (raw)) (search-group-spec (nntp:news.fu-berlin.de
>>>>   gnu.emacs.gnus))) gave error (gnus-search-config-error
>>>>   gnus-search-config-error No search engine configured for
>>>>   nntp:news.fu-berlin.de)
>>>>
>>>> Indeed there is no search engine configured for nntp:
>>>>
>>>>   (nntp "fu_news"
>>>>         (nntp-address "news.fu-berlin.de")
>>>>         (remove-prefix nntp)
>>>>         (gnus-message-archive-group "nnimap+fu_exchange:Gesendete Elemente"))
>>>>
>>>> whereas for imap the search engine is configured 
>>>>
>>>>   (nnimap "fu_exchange"
>>>>           (nnir-search-engine imap)
>>>>           (remove-prefix "nnimap")
>>>>           (nnimap-address "mail.zedat.fu-berlin.de")
>>>>           (nnimap-record-commands t)
>>>>           (nnimap-inbox INBOX)
>>>>           (gnus-message-archive-group "nnimap+fu_exchange:Gesendete Elemente"))
>>>>
>>>> So it seems that for IMAP the search engine is configured but not
>>>> working and for NNTP it is just not configured.
>>>>
>>>>> You suspect a link to Debian 12. Debian Bookworm comes with Emacs 28.2.
>>>>> If you think that is it, how about going back to 27.1 ? 
>>>>>
>>>>> http://snapshot.debian.org/binary/emacs/ 
>>>>>
>>>>
>>>> Well, before I go down that road I shall check whether the same problem
>>>> occurs on my other laptop, which is at work, but which I also updated
>>>> and which uses the same Emacs config.
>>>
>>> So it seems that the problem does not always occur.  With a stripped
>>> down configuration I now find the search still works for two private
>>> email accounts, but not with my work account (Exchange), with which it
>>> did previously work.
>>>
>>> I am not aware that there has been a change with the email server at
>>> work, so maybe the more recent version of Emacs/Gnus no longer tolerates
>>> something it once did.  Strange also that the actual newsgroups are also
>>> affected.
>>>
>>> So not (directly) an Emacs/Gnus issue.
>>>
>>
>> OK, so for the newsgroups I get this error:
>>
>> nnselect-run: gnus-search-run-query on ((search-query-spec (query
>> . emacs) (raw)) (search-group-spec (nntp:news.fu-berlin.de comp.emacs)))
>> gave error (gnus-search-config-error gnus-search-config-error No search
>> engine configured for nntp:news.fu-berlin.de)
>>
>> What should the search engine be for nntp?
>
> It seems that searching in NNTP groups probably never worked.  I was
> confusing them with mailing lists which I read as newsgroups.
>
> However I have discovered that if I just have
>
> (setq gnus-select-method '(nntp "news.fu-berlin.de"))
> (setq gnus-secondary-select-methods
>       (quote
>        ((nnimap "gmx"
>                 (nnimap-stream tls)
>                 (nnimap-address "imap.gmx.com"))
> 	(nnimap "fu_exchange"
>                 (nnimap-stream tls)
> 		(nnimap-address "mail.zedat.fu-berlin.de")))))
>
> then a search over a GMX folder will yield results as expected, but one
> over an Exchange folder will always return no results.  So it seems to
> be some specific feature of the Exchange server.  I'll check whether the
> people responsible for Exchange know of any changes that might be
> causing the issue. 

The Exchange server generates the following error when I attempt to
search via Gnus:

  SEARCH CHARSET UTF-8 TEXT hpc,"R=""6487 NO [BADCHARSET (US-ASCII)] The
  specified charset is not supported."

How can I change the charset Gnus uses for the search?

Cheers,

Loris

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Thread

Search finds no messages "Loris Bennett" <loris.bennett@fu-berlin.de> - 2023-08-08 10:22 +0200
  Re: Search finds no messages Gijs Hillenius <gijs@hillenius.net> - 2023-08-08 10:32 +0200
    Re: Search finds no messages "Loris Bennett" <loris.bennett@fu-berlin.de> - 2023-08-08 11:07 +0200
      Re: Search finds no messages "Loris Bennett" <loris.bennett@fu-berlin.de> - 2023-08-11 13:07 +0200
        Re: Search finds no messages "Loris Bennett" <loris.bennett@fu-berlin.de> - 2023-08-11 13:15 +0200
          Re: Search finds no messages "Loris Bennett" <loris.bennett@fu-berlin.de> - 2023-08-16 10:12 +0200
            Re: Search finds no messages "Loris Bennett" <loris.bennett@fu-berlin.de> - 2023-08-16 16:27 +0200

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