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[LDM #RQD-888533]: pqact errors after upgrade to 6.13.0



Dave,

> Hello,
> 
> This morning I installed v6.13.0 on one of our systems and we started
> getting errors from pqact.

LDM 6.13.0 has better error reporting. You might have been having these errors 
before and just never noticed them.

> 20160505T134747.190284Z pqact[57013] ERROR filel.c:2800:reap() Child 57039 
> exited with status 9
> 20160505T134747.190302Z pqact[57013] ERROR filel.c:425:fl_removeAndFree() 
> Deleting failed PIPE entry: pid=57039, cmd="metar2nc -t 30 -l logs - d 
> data/dec_data/obs/metar etc/metar.cdl"

The isolated minus sign in the command seems suspicious. Should the arguments 
"- d" be, instead, "-d"? Also, does the "logs" file or directory exist?

> With debug on:
> 20160505T163633.216355Z pqact[79827] ERROR filel.c:2800:reap() Child 80038 
> exited with status 1
> 20160505T163633.216367Z pqact[79827] ERROR filel.c:425:fl_removeAndFree() 
> Deleting failed PIPE entry: pid=80038, cmd="~ldm/util/meta
> r2nc -t 30 -l logs -d data/dec_data/obs/metar etc/metar.cdl"
> 20160505T163633.216711Z pqact[80041] ERROR filel.c:1573:pipe_open() No such 
> file or directory
> 20160505T163633.216721Z pqact[80041] ERROR filel.c:1573:pipe_open() Couldn't 
> execute decoder "~ldm/util/metar2nc"; 
> PATH=/home/ldm/ldm-6.13.0/bin:/home/ldm/decoders:/home/ldm/util:/home/ldm/bin:.:/home/ldm/bin:/home/ldm/util:/home/ldm/scripts:/home/dicast/scripts/python:/home/dicast/bin:/usr/local/bin:/usr/bin:/usr/sbin:/sbin:/bin:/usr/ccs/bin:/usr/ucb:/etc

A PIPE entry in a pqact(1) configuration-file uses the execvp() system-function 
to execute its decoder. That function doesn't understand tilda expansions 
(i.e., "~ldm").

> The script exists and is executable:
> dicast12:ldm>ll ~ldm/util/metar2nc
> -rwxr-xr-x 1 ldm ldm 62718 Oct 21  2015 /home/ldm/util/metar2nc*
> 
> I'm not sure where to look.  we were running (and are again) v6.12.14
> without any problems.  I've attached pqact.conf.
> 
> System info:
> Linux 2.6.32-504.el6.x86_64 #1 SMP Tue Sep 16 01:56:35 EDT 2014 x86_64 x86_64 
> x86_64 GNU/Linux
> Red Hat Enterprise Linux Server release 6.6 (Santiago)
> 
> Please let me know if there any other info I can provide.
> 
> Thank you.
> 
> Dave Lunzer

Regards,
Steve Emmerson

Ticket Details
===================
Ticket ID: RQD-888533
Department: Support LDM
Priority: Normal
Status: Closed