Re: Pandoc error 10 when compiling document and fetching from fonts.gstatic.com

[Richard Morey <richarddmorey-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>]

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It is the output from an R system() call to pandoc, which returns the 
pandoc error code. One thing I did check was that it wasn't a 1 with a 0 
concatenated on the end through a missing \n or something silly like that. 
It does seem to be a return code from pandoc, but I will check with 
rmarkdown too. It is frustrating because I can't reliably reproduce it, 
probably because it something network-related.

On Friday, June 9, 2023 at 6:25:31 PM UTC+1 BPJ wrote:

> It seems from the cited error message like it is rmarkdown (Rmarkdown) 
> which exits with code 10, so probably not a Pandoc issue at all.
>
> Den fre 9 juni 2023 17:34John MacFarlane <fiddlo...-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org> skrev:
>
>> That's rather strange because we don't emit error code 10:
>> https://pandoc.org/MANUAL.html#exit-codes
>> But it's a bit hard to diagnose these issues that involve external code. 
>> If you can reproduce the issue with pandoc by itself, that would be 
>> helpful.  Also it could be useful to know what pandoc version is being used.
>>
>>
>> > On Jun 9, 2023, at 1:41 AM, Richard Morey <richar...-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org> wrote:
>> > 
>> > I've posted this on StackOverflow here but have not gotten any interest 
>> in several days, so I'm posting here.
>> > 
>> > I'm having trouble consistently compiling a particular document with 
>> rmarkdown::render. I cannot reproduce the issue reliably, unfortunately (it 
>> happens roughly 1/3 of the time; consostent with it being a network error, 
>> maybe?), but when it fails, I get the error: 
>> > 
>> > pandoc document conversion failed with error 10
>> > from rmarkdown. The "10" is the return code from the system command 
>> that runs pandoc here.
>> > 
>> > When I set pandoc to give debugging information with --verbose the 
>> following lines are the last ones in stderr:
>> > 
>> > [INFO] Fetching 
>> https://fonts.gstatic.com/s/opensans/v34/memvYaGs126MiZpBA-UvWbX2vVnXBbObj2OVTSKmu1aB.woff2... 
>>
>> > [INFO] Fetching 
>> https://fonts.gstatic.com/s/opensans/v34/memvYaGs126MiZpBA-UvWbX2vVnXBbObj2OVTSumu1aB.woff2... 
>>
>> > [INFO] Fetching 
>> https://fonts.gstatic.com/s/opensans/v34/memvYaGs126MiZpBA-UvWbX2vVnXBbObj2OVTSOmu1aB.woff2... 
>>
>> > [INFO] Fetching 
>> https://fonts.gstatic.com/s/opensans/v34/memvYaGs126MiZpBA-UvWbX2vVnXBbObj2OVTSymu1aB.woff2... 
>>
>> > [INFO] Fetching 
>> https://fonts.gstatic.com/s/opensans/v34/memvYaGs126MiZpBA-UvWbX2vVnXBbObj2OVTS2mu1aB.woff2... 
>>
>> > [INFO] Fetching 
>> https://fonts.gstatic.com/s/opensans/v34/memvYaGs126MiZpBA-UvWbX2vVnXBbObj2OVTSCmu1aB.woff2... 
>>
>> > [INFO] Fetching 
>> https://fonts.gstatic.com/s/opensans/v34/memvYaGs126MiZpBA-UvWbX2vVnXBbObj2OVTSGmu1aB.woff2... 
>>
>> > Error : pandoc document conversion failed with error 10
>> > The last line varies, but it always seems to be one of these fonts that 
>> is the last thing pandoc reports before the error (there are 24 of these 
>> font fetches in this particular document, as shown by the output in a 
>> successful compile).
>> > 
>> > This leads me to believe that there is a problem in fetching one of 
>> these fonts, but there's no output that says what the problem actually is, 
>> and Error 10 does not seem to be a valid error code from pandoc: pandoc 
>> error codes.
>> > 
>> > I'm sort of stuck debugging until I figure this out.
>> > 
>> > I also note there is a similar issue here: NYTimes and 538 Themes Give 
>> Pandoc Error 10 - as a bonus, it even seems to be related to 
>> fonts.gstatic.com, but that out seems to be more specific, including a 
>> [WARNING] that I don't see in mine.
>> > 
>> > In case they are helpful, I've put the logs of a failure and success 
>> and the pandoc command that was run in a gist here: logs
>> > 
>> > I'd appreciate any insights into what could cause this and how to fix 
>> it.
>> > 
>> > Best,
>> > Richard
>> > 
>> > 
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