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Re: Debugging an mcron job

From: Jack Hill
Subject: Re: Debugging an mcron job
Date: Tue, 12 Mar 2019 15:24:52 -0400 (EDT)
User-agent: Alpine 2.20 (DEB 67 2015-01-07)

On Mon, 11 Mar 2019, Jack Hill wrote:

Hi Guix,

I'm looking for help or tips on debugging an mcron job.

I haven't yet solved this, but have some done some more (potentially interesting) troubleshooting.

The problem only seems to present itself, when mcron is run from Shepherd. For testing purposes, I changed the schedule to run every minute. This is how mcron is being called from Shepherd:

# ps -ef|grep mcron
root     32463     1  0 15:11 ?        00:00:00 

If I then run the same thing from a root shell:

# /gnu/store/mamwayq00mqs85kgs6ibww7xw6dy776s-mcron-1.1.1/bin/mcron 
;;; note: auto-compilation is enabled, set GUILE_AUTO_COMPILE=0
;;;       or pass the --no-auto-compile argument to disable.
;;; compiling /gnu/store/0h36hing715c57k9xz5f6fgm77krq4p7-mcron-job
;;; compiled 

it works. What could be causing this?

The contents of the job file are:

(job "* * * * *" 


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