Apache 2 in 6.0 jails: Connection refused: connect to listener on0.0.0.0:80

[Philippe Lang]

owner-freebsd-questions at freebsd.org wrote:

> Hi,
> 
> Every now and then, Apache 2.2.2 starts filling my
> httpd-error.log with thousands of lines like:
> 
> [Sat Jul 08 20:57:32 2006] [warn] (61)Connection refused:
> connect to listener on 0.0.0.0:80 [Sat Jul 08 20:57:33 2006]
> [warn] (61)Connection refused: connect to listener on
> 0.0.0.0:80 [Sat Jul 08 20:57:34 2006] [warn] (61)Connection
> refused: connect to listener on 0.0.0.0:80 [Sat Jul 08
> 20:57:35 2006] [warn] (61)Connection refused: connect to
> listener on 0.0.0.0:80 [Sat Jul 08 20:57:36 2006] [warn]
> (61)Connection refused: connect to listener on 0.0.0.0:80
> [Sat Jul 08 20:57:37 2006] [warn] (61)Connection refused:
> connect to listener on 0.0.0.0:80 [Sat Jul 08 20:57:38 2006]
> [warn] (61)Connection refused: connect to listener on
> 0.0.0.0:80 [Sat Jul 08 20:57:39 2006] [warn] (61)Connection
> refused: connect to listener on 0.0.0.0:80 [Sat Jul 08
> 20:57:40 2006] [warn] (61)Connection refused: connect to listener on
> 0.0.0.0:80 
> 
> I'm running Apache in FreeBSD 6.0 RELEASE-p2 jails.
> 
> Restarting Apache cures the problem for some time, until the
> problem appears again. It is not that frequent, but the
> servers are not much loaded either.
> 
> I think I saw this problem appear with Apache 2.0, 2.1, and
> 2.2, so it's apparently here for a while. And others had this problem
> too: 
> 
> http://groups.google.ch/group/lucky.freebsd.apache/browse_thre
> ad/thread/7a5735ae7a3a4c2d/e2d0d9ba4ad7266e?lnk=st&q=Connectio
n+refused%3A+connect+to+listener+on+0.0.0.0%3A80&rnum=1>
&hl=de#e2d0d9ba4ad7266e 
> 
> I'm pretty sure this problem must be BSD or Jails specific.
> Does anyone have the same problem, or maybe a workaround?
> Note that Lighttpd NEVER had this problem on this server.

One more precision: of course, when apache starts filling the log with "Connection refused: connect to listener on 0.0.0.0:80", the web server does not respond anymore, until I restart it.

---------------
Philippe Lang
Attik System

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