Re: [monit] monit can't connect while apache is restarting gracefully

[Martin Pala]

Apache is not responding to requests per monit logs. Since monit is 
acting as client in this test, other clients will have problem as well.

You should check why the apache is not responding.

When you need to mangle the service which is monitored by monit, you 
should either stop/start/restart the service via monit or disable the 
monitoring before the action and enable it afterwards. (monit "monitor" 
and "unmonitor" commands ... see monit manual for more details).

Martin


Sander van der Vliet wrote:
> Hi,
>
> Every morning at 6 AM my apache is restarted by logrotate to rotate the 
> logs. This is done gracefully by: apache2ctl graceful > /dev/null
>
> However, once every 2/3 days monit fails the connection/protocol test, 
> while apache should still be able to handle requests during a graceful 
> restart. How can this happen?
>
> My rules:
>
>     if failed host localhost port 80
>          protocol HTTP request /monit/token
>          then restart
>
>    if failed host localhost port 443 type TCPSSL
>         certmd5 53-CB-FC-77-5D-D6-CF-A8-F1-1C-64-40-90-4F-24-4B
>         protocol HTTP request /monit/token
>         then restart
>
> The failure:
>
> 'apache2' failed, cannot open a connection to INET[localhost:443]
> 'apache2' failed, cannot open a connection to INET[localhost:80]
>
> Or timetimes a protocol test failure:
>
> 'apache2' failed protocol test [HTTP] at INET[localhost:443].
>
> Is this an apache problem? Apache should accept incomming connections 
> right? Or is this a monit problem, are my rules too strict? Or is monit 
> too strict?
>
> The result is that apache is restarted twice, once graceful by 
> logrotate, monit can't connect and then is restarted by monit an apache2 
> stop/start.
>
> Any way to resolve this?
>
> Sander
>
>
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