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bug#36810: 26.2; package.el; package-refresh-contents, Bad Request (http
From: |
Noam Postavsky |
Subject: |
bug#36810: 26.2; package.el; package-refresh-contents, Bad Request (http over https) |
Date: |
Thu, 25 Jul 2019 13:35:25 -0400 |
User-agent: |
Gnus/5.13 (Gnus v5.13) Emacs/26.1.92 (windows-nt) |
merge 36810 36725
quit
gnu@crabapple.me.uk writes:
> Replicate with:
> emacs -Q
> M-x package-initialize RET
> M-x set-variable RET debug-on-error RET t RET
> package-refresh-contents
> => Debugger entered--Lisp error: (file-error
> "https://elpa.gnu.org/packages/archive-contents" "Bad Request")
>
> In wireshark I observe a TLS1.2 session with elpa.gnu.org, terminated
> from localhost, then another connection established to port 443 on
> elpa.gun.org but no TLS setup and then a straight HTTP GET request (for
> /packages/archive-contents).
> Server responds 400 (Bad Request):
> "Your browser sent a request that this server could not understand.
> Reason: You're speaking plain HTTP to an SSL-enabled server port."
I believe this is another case of Bug#36725/36749/34341. It should work
in 26.2.90 pretest. As a workaround, doing
(setq gnutls-algorithm-priority "NORMAL:-VERS-TLS1.3")
seems to help (it somehow affects the timing so as to avoid the bug).