* bug#39158: 26.1; url-retrieve-synchronously possible race condition
[not found] ` <CAOckuXAhVQ+79U7ZyZ9NYXbm_sAnZT5XmpRs5JXsd76OUe=JNA@mail.gmail.com>
@ 2020-01-17 17:46 ` Noam Postavsky
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From: Noam Postavsky @ 2020-01-17 17:46 UTC (permalink / raw
To: Ernesto Alfonso; +Cc: 39158
unarchive 34341
forcemerge 34341 39158
quit
Ernesto Alfonso <erjoalgo@gmail.com> writes:
> url-retrieve-synchronously unexpectedly returns an empty buffer:
>
> emacs -Q --eval '(with-current-buffer (url-retrieve-synchronously "
> https://google.com") (print (buffer-string)))' --batch
> Contacting host: google.com:443
>
> ""
>
> If I add (sit-for 2) in url-retrieve-synchronously after the (url-retrieve
> ...) call:
>
> (setq asynch-buffer
> (url-retrieve url (lambda (&rest ignored)
> (url-debug 'retrieval "Synchronous fetching done (%S)"
> (current-buffer))
> (setq retrieval-done t
> asynch-buffer (current-buffer)))
> nil silent inhibit-cookies))
> (sit-for 2)
>
> then I see the expected output.
>
>
> In GNU Emacs 26.1 (build 2, x86_64-pc-linux-gnu, GTK+ Version 3.24.5)
Looks like Bug#34341, try upgrading to 26.3, or put
(setq gnutls-algorithm-priority "NORMAL:-VERS-TLS1.3")
in your init file as a temporary workaround.
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2020-01-17 17:46 ` bug#39158: 26.1; url-retrieve-synchronously possible race condition Noam Postavsky
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