> Am 18.01.2023 um 11:00 schrieb Andreas S. Kerber <a...@ag-trek.de>:
>
> Am Wed, Jan 18, 2023 at 10:18:56AM +0100 schrieb Stefan Eissing via dev:
>> thanks for verifying that there is an issue. Would you be able to test a
>> httpd 2.4.55 with a mod_http2 from 2.4.54? If that runs without trouble, we
>> have the problem verified with the recent changes in the http2
>> implementation.
>
> I just started the server with mod_http2.so from 2.4.54 and no further 500
> errors where logged after that.
>
>> Given that, could we check if we have a problem with the ulimit on open file
>> descriptors? CentOS should be generous, but we could test if an increased
>> limit has any effects on the situation.
>
> Seems fine to me. Not a very busy server after all - just 15-20 requests per
> second. Load average 0.05 ;-)
In that case, maybe your could run the 2.4.55 mod_http2 with "LogLevel
http2:debug" until some 500s show up. That would be very interesting to analyze.
You can mail/link me such a log confidential at ste...@eissing.org, if you like.
>
>> Further, looking at the list, all failed request seem to be plain files
>> except the last. Is "/" the path used and does it also map to something like
>> "index.html". Do you have non-file looksup where errors happen? I know that
>> this is not a strong indicator, but may it helps us narrow this down.
>
> We're using "DirectoryIndex index.html" and this index.html file is also just
> a static file. No fancy .htaccess RewriteRules or anything complex.
>
