could you give more details? why do you start it that way, did you 
experience any problems with external cron? how does the command for the 
system cron exactly look like? does it have any disadvantages to external 
cron?

any ideas how I could track down those issues?

thanks

On Saturday, January 25, 2014 12:55:50 AM UTC+1, Jonathan Lundell wrote:
>
> On 24 Jan 2014, at 3:38 PM, Alex <mrau...@gmail.com <javascript:>> wrote:
>
> I've got a big issue with external cron jobs. In my application I've added 
> tasks to crontab which should be executed every day, e.g.
> 0   0     * * * myapp *applications/myapp/cron/task_update_vacation_days.py
> 30  0     * * * myapp 
> *applications/myapp/cron/task_insert_public_holidays.py
>
> Now I found out that the cron jobs are not executed every day on the live 
> server. The cron jobs are started from a system cron job as specified in 
> the documentation:
> python web2py.py -J -C -D 1 >> /tmp/cron.customer.output
>
> The jobs are executed very irregular, some jobs get executed almost every 
> day and others just 2 times in the last 7 days. here is the output for 
> task_update_vacation_days:
> INFO:web2py.cron:WEB2PY CRON (external): myapp executing 
> *applications/myapp/cron/task_update_vacation_days.py in 
> /srv/web/customer/web2py at 2014-01-25 00:00:02.179185
> INFO:web2py.cron:WEB2PY CRON (external): myapp executing 
> *applications/myapp/cron/task_update_vacation_days.py in 
> /srv/web/customer/web2py at 2014-01-18 00:00:02.291735
>
> then I checked the syslog to make sure "web2py.py -J -C -D 1" was called 
> exactly every minute. so the problem seems to be that web2py somehow thinks 
> the task should not be started? how can this happen? does anyone have an 
> idea?
>
>
> What I've been doing is to run my cron jobs directly from system cron, 
> using -S and -R.
>

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