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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:
>>
>>> 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. 

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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