[Solved] Intermittant apache failures: Connection reset by peer: mod_fcgid

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#1 Sun, 05/10/2015 - 06:05

[Solved] Intermittant apache failures: Connection reset by peer: mod_fcgid

(OP notes: the mention of Sunday in the post below is a red herring, actually the failures were intermittent).

Hi All,

Every Sunday I get a problem with where my php sites a server error rather than my website.

In my virtual host apache logs I get the following:

[Sun May 10 12:13:01 2015] [warn] [client xxx.xxx.xxx.xxx (104)Connection reset by peer: mod_fcgid: error reading data from FastCGI server [Sun May 10 12:13:01 2015] [error] [client xxx.xxx.xxx.xxx] Premature end of script headers: index.php

If I restart apache the problem goes away.

I am using Virtualmin version 4.16.gpl. Virtualmin is running on Ubuntu precise.

Does anybody have any ideas about what is causing this and how to fix it.

If I can't fix it directly but someone can tell me which cron is causing the issue, then I would be happy to arrange another cronjob to restart apache every Sunday too.



Mon, 05/11/2015 - 09:54


Hmm, that's an unusual problem!

Does it seem to happen the same time every Sunday?

Or does the time seem somewhat random?


Mon, 05/11/2015 - 17:26 (Reply to #2)

Hi Eric,

Thank you for responding to me.

I had a scan through the logs from the various virtual servers that I have, and I noticed that every Sunday at 4:35 there is a weekly log rotation occurring. I guess this might be the source of the apache issue so I have scheduled a cron job to restart apache @ 5:00am on Sundays.

I have really no clue what is causing this particular issue, but I hope that change will put an end to the problem.

For anyone else who happens upon this post, try adding the following to your root crontab.

1 5 * * 6 /usr/sbin/service apache2 restart

I will follow up again if this doesn't solve it, or if I find the route cause at some point.



Wed, 05/27/2015 - 02:49

Hi All,

I finally found the cause of the intermittent failures I was having. The Sunday timing was a red herring, actually this problem was popping up all over different virtual servers that I have at varying times. I was just noticing it more on Sundays.

It turns out I was using two apache modules headers and expires which were not part of the default installation. When I disabled these then my issues went away.

a2dismod expires

a2dismod headers

service apache2 restart

I hope that helps someone if they end up with similar issues.



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