debugging crontab

[Uwe Kiewel]

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Christoph Höger wrote:
> Am Sonntag, den 19.04.2009, 22:57 +0200 schrieb Uwe Kiewel:
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>> Christoph Höger wrote:
>>> Hi folks,
>>>
>>> I've got a problem with my offlineimap setup under f11 (under f9 and f10
>>> it works well):
>>>
>>> I have: 
>>> */5 * * * * DISPLAY=:0.0 /usr/bin/offlineimap -u Gnome.GnomeUI /dev/null
>>> 2>&1 #JOB_ID_1
>>>
>> Is there a ">" missing between Gnone.GnomeUI and /dev/null in your command?
>>
>> In an ober case remove the output redirection to /dev/null. Cron will
>> generate an email with the output of the cronjob.
> 
> Yeah, I did that. But the stdout and stderr do not provide useful
> information. So basically I need a way to figure out what's different
> between a cron invokation and a manual call of python.
> Any ideas?
> 
I the past I have had a simmilar problem. The job was running fine at
cmd line but failed at cron. So, the problem was the cron environment,
e.g. library path, general path, etc.

Loot at the full mail header of a cron email and search for X-Cron lines
to check.

HTH,
	Uwe
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