GNU bug report logs - #65858
mumi crashes

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Message #32 received at 65858 <at> debbugs.gnu.org (full text, mbox):

From: Maxim Cournoyer <maxim.cournoyer <at> gmail.com>
To: Christopher Baines <mail <at> cbaines.net>
Cc: 65858 <at> debbugs.gnu.org, Arun Isaac <arunisaac <at> systemreboot.net>,
 guix-sysadmin <guix-sysadmin <at> gnu.org>
Subject: Re: bug#65858: mumi crashes
Date: Tue, 24 Oct 2023 08:47:28 -0400

Hi Christopher,

Christopher Baines <mail <at> cbaines.net> writes:

[...]

>> Here's a fresh crash (on berlin):
>>
>> 2023-10-24 06:22:58 GET
>> /graphql?query=query%20%7B%0A%20%20issue%28number%3A%2065806%29%20%7B%0A%20%20%20%
>> 20open%0A%20%20%7D%0A%7D%0A&variables=%7B%7D 200
>> 2023-10-24 06:22:58 GET /issue/29433/attachment/1/ 200
>> 2023-10-24 06:22:58 GET
>> /graphql?query=query%20%7B%0A%20%20issue%28number%3A%2065853%29%20%7B%0A%20%20%20%
>> 20open%0A%20%20%7D%0A%7D%0A&variables=%7B%7D 200
>> 2023-10-24 06:22:58 GET
>> /graphql?query=query%20%7B%0A%20%20issue%28number%3A%2065869%29%20%7B%0A%20%20%20%
>> 20open%0A%20%20%7D%0A%7D%0A&variables=%7B%7D 200
>> 2023-10-24 06:23:15 GET Uncaught exception in task:
>> 2023-10-24 06:23:15 In procedure port-auxiliary-write-buffer: Wrong
>> type argument in position 1 (expecting
>>  open port): #<closed: file 7f2ac30077e0>
>> 2023-10-24 06:23:15 In fibers.scm:
>> 2023-10-24 06:23:15     172:8  6 (_)
>> 2023-10-24 06:23:15 In ice-9/boot-9.scm:
>> 2023-10-24 06:23:15   1752:10  5 (with-exception-handler _ _ #:unwind? _ # _)
>> 2023-10-24 06:23:15 In fibers/web/server.scm:
>> 2023-10-24 06:23:15    214:25  4 (_)
>> 2023-10-24 06:23:15 In ice-9/suspendable-ports.scm:
>> 2023-10-24 06:23:15      83:4  3 (write-bytes #<closed: file 7f2abfe0e770> #vu8(47 42 …) …)
>> 2023-10-24 06:23:15 In unknown file:
>> 2023-10-24 06:23:15            2 (port-write #<closed: file 7f2abfe0e770> #vu8(47 42 # …) …)
>> 2023-10-24 06:23:15 In ice-9/boot-9.scm:
>> 2023-10-24 06:23:15   1685:16  1 (raise-exception _ #:continuable? _)
>> 2023-10-24 06:23:15   1685:16  0 (raise-exception _ #:continuable? _)
>> 2023-10-24 06:23:15 ice-9/boot-9.scm:1685:16: In procedure raise-exception:
>> 2023-10-24 06:23:15 In procedure fport_write: Broken pipe
>
> I think this is kind of expected. If NGinx hits the proxy_read_timeout
> it'll return a 504 to the client and close the connection to Mumi I
> think. I think what you're seeing here is Mumi trying to respond to a
> request from NGinx that NGinx has closed.

If it's expected, we should handle it and produce a useful warning
instead of crashing, right?

Thanks for tipping in!

-- 
Thanks,
Maxim

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