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Posted to users@httpd.apache.org by "Milstead, Douglas" <Do...@BellSouth.com> on 2005/05/03 19:40:21 UTC
[users@httpd] Apache 2.0.52 Error Log: Warning: (128)Network is unreachable: connect to listener
I am frequently, but sporadically, getting the following warning in the
Apache 2.0.52 error log:
[Tue May 03 13:23:56 2005] [warn] (128)Network is unreachable: connect
to listener
I have not been able to relate the timing of these messages to any
particular activity in the access log. The warning seems completely
random. Although, its frequency does seem to increase with higher user
volume.
This is a new server that has recently been upgraded to 'live
production' status. I'm concerned enough that I am considering doing a
rollback on this server to 'test only' status. So far, there have been
no user complaints. Until I understand the cause/effect relationship, I
won't sleep well at night.
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Re: [users@httpd] Apache 2.0.52 Error Log: Warning: (128)Network is unreachable: connect to listener
Posted by Joe Orton <jo...@redhat.com>.
On Tue, May 03, 2005 at 12:40:21PM -0500, Milstead, Douglas wrote:
> I am frequently, but sporadically, getting the following warning in the
> Apache 2.0.52 error log:
>
> [Tue May 03 13:23:56 2005] [warn] (128)Network is unreachable: connect
> to listener
This can happen if you have firewalling set up to prevent local
connections to the public-facing IP address(es) of the machine. If
that's not the case, try 2.0.54, which has some changes to this code.
> I have not been able to relate the timing of these messages to any
> particular activity in the access log. The warning seems completely
> random. Although, its frequency does seem to increase with higher user
> volume.
It happens when the parent process decides that there are too many idle
children running and one can be woken up and told to quit. (e.g. after a
load spike)
Regards,
joe
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