intermittent CGI failure

[Jonathan Call]

-----Original Message-----
From: Jon Angliss [mailto:jon at netdork.net] 
Sent: Wednesday, September 24, 2008 5:52 PM
To: nagios-users at lists.sourceforge.net
Subject: Re: [Nagios-users] intermittent CGI failure

On Mon, 15 Sep 2008 12:29:55 -0400 (EDT), nagios at donsbox.com wrote:

>Installed 3.0.3 from source on OpenBSD 4.3 (sparc64).  Everything
works,
>but every so often the CGI's will fail.
>
>e.g. If I refresh, say, status.cgi?host=all 10 times in a row, it'll
fail
>at least once or twice.
>
>I can reproduce using both Apache and nginx.
>
>Here's Apache error log snippet: "Premature end of script headers:
>/var/www/nagios/cgi-bin/status.cgi"
>
>Here's nginx error log snippet: "upstream closed prematurely FastCGI
>stdout while reading response header from upstream"
>
>Familiar issue to anyone?  Next steps to debug?

I keep noticing this every now and again.  I usually have the tactical
overview page open on a third monitor, and Firefox often throws a
"cannot connect" message.  I'm assuming this is probably the same
thing, just on a different page.  I've yet to go through my logs to
confirm though.

-- 
Jon Angliss

I'm running into the same issue:
[Tue Sep 23 04:49:28 2008] [error] [client xxx.xxx.xxx.xxx] Premature
end of script headers: status.cgi

My server is FreeBSD 6.3 running Nagios 2.12 and Apache 2.2.8. The error
is very intermittent, maybe two or three times a day on a 24/7
monitoring screen. Some times it is a 'cannot connect' sometimes the
screen is just blank.

Jonathan


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