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Re: apache failed to start | false positive?


From: shadow
Subject: Re: apache failed to start | false positive?
Date: Thu, 23 Jul 2015 12:47:12 +0200

Funny thing,

if I copy the file /var/run/apache2/apache2.pid --> /var/run/apache2.pid
(former location in configuration).

Monit is fine and recognized that the service is started and all is fine.

Even if I restart monit it does not recognize the new location. I
expected if I restart it, it should reread the new configuration file.

Is there an option to flush all internal configs and reread them?


On 23.07.2015 12:06, shadow wrote:
> Hello monit community,
> 
> since I upgraded my servers to debian jessie I encountered the following
> behavior.
> 
> Monit says it cannot start my apache2 anymore. Initialization failed.
> The log says:
> 
>> Jul 23 11:59:00 www-xeon monit[495]: 'apache' process is not running
>> Jul 23 11:59:00 www-xeon monit[495]: 'apache' trying to restart
>> Jul 23 11:59:00 www-xeon monit[495]: 'apache' start: /etc/init.d/apache2
>> Jul 23 12:00:00 www-xeon monit[495]: 'apache' failed to start (exit status 
>> 0) -- /etc/init.d/apache2: Starting web server: apache2.
> 
> But it actually restarts the apache process is restarted. But claim that
> it fails and unmonitors the service in the webgui. But if I stop the
> apache again, monit kicks in and restarts it. So there seem to be two
> false positives
> 
> At first I thought it could the wrong .pid entry in
> /etc/monit/conf.d/apache. But that wasnt the case. (Changed in debian
> jessie from /var/run/apache2 to /var/run/apache2/apache2.pid )
> 
>> check process apache with pidfile "/var/run/apache2/apache2.pid"
>>   start program = "/etc/init.d/apache2 start" with timeout 60 seconds
>>   stop program  = "/etc/init.d/apache2 stop"
>>   if cpu > 60% for 2 cycles then alert
>>   if cpu > 80% for 5 cycles then restart
>>   if children > 250 then restart
>>   if loadavg(5min) greater than 10 for 8 cycles then stop
>>   group server
> 
> 
> Does anyone had similiar issues? Am  I missing something?
> 
> thanks for this great tool - love it :)
> 
> cheers shadow // systemli.org
> 
> 
> 
> 
> 
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