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[LDM #XTZ-897730]: New set of LDM problems

Hi Gerry,

I thought I had driven your email into our inquiry tracking system this
morning, but the attachments you included made the overall size greater
than 2 MB, so it was not incorporated.  When I looked to see if Steve
had had a chance to take a look, I couldn't find your inquiry, and
finally figured out what had happened.  Also, Steve is not in the office
today, so I'll jump in and try to help...

re:
> First day of our Spring Forecasting Experiment and something decided to go
> south on the 27th. Since I was nowhere near a system on Friday or Saturday,
> and no one else has access to this system to change things, I'm starting to
> assume I've possibly got an NFS problem but I can't tell without some
> interpretive help from you, please.

OK.

re:
> And, this is important to getting up and running today here.

Sorry for the delay!

re:
> To that end, I've rebooted the VM, restarted LDM, and I'm still seeing
> errors.  I'm attaching the ldmd.log, ldmd.conf, and 2 pqact config files of
> interest.

I'm looking through the ldmd.log file you sent for ERROR entries, and
the first I found (starting from the end, not the beginning) is:

20190429T151621.706064Z                pqact[16648]              
palt.c:prodAction() INFO                 pipe: -close  python 
/usr/local/ldm/scripts/chomp.py /work/LDM/GOES16/Meso/TISH02_KNES_291515_PAA.n
c and the ident is TISH02 KNES 291515 PAA
20190429T151621.706508Z                pqact[19943]              
filel.c:pipe_open() INFO  Executing decoder "python"
20190429T151621.732395Z                pqact[16648]       
filel.c:fl_removeAndFree() INFO  Deleting closed PIPE entry: pid=19943, 
cmd="-close python /usr/local/ldm/scripts/chomp.py /work/LDM/GOES16/Meso/TI
SH02_KNES_291515_PAA.nc"
20190429T151621.732542Z                pqact[16648]                   
filel.c:reap() INFO  Child 19942 exited with status 0

I believe that the operative part of these messages is the piece:

cmd="-close python /usr/local/ldm/scripts/chomp.py 
/work/LDM/GOES16/Meso/TISH02_KNES_291515_PAA.nc"

The fact that pqact thinks that the command is "-close python ..." suggested to 
me
that there is not a tab between PIPE and -close in your pattern-action file.  
Examination
of the pqact.conf file you included as an attachment, however, shows that each
'PIPE -close python' action does have a tab between the PIPE and '-close'.  This
is also supported by the message:

Executing decoder "python"

So, my next guess would be that either 'python' is not being found;
it is not the correct version (e.g., not python 3.x); or there is
something wrong with the script it is to execute, 
/usr/local/ldm/scripts/chomp.py.

By the way, Steve told me that invoking a script like this:

python<tab>-close<tab> python_script

has the disadvantage that any error messages that would be issued by 'python'
will not be logged.  A better way to find out what is going on is to change
the invocation to:

PIPE<tab>-close<tab> /usr/local/ldm/scripts/chomp.py

This requires, of course, that /usr/local/ldm/scripts/chomp.py be executable
and that the environment of the LDM when the LDM was started be such that
the correct version of 'python' be found in 'ldm's PATH.

re:
> As an aside, the latest netcheck has a potential gotcha for the logfile
> path:
> # set the file paths
> 
> unless (($logpath) || ($no_log)) {
> $logpath = "$ldmhome/var/logs/netcheck.log";
> 
> This should be a reference to $ldmhome/var/logs/netcheck.log, I believe...

This is definitely something for Steve, not me.  That being said, I can't
see a difference in what you listed and your comment:

listed:
$logpath = "$ldmhome/var/logs/netcheck.log";
comment:
            $ldmhome/var/logs/netcheck.log

Those look the same to me.  What am I missing?

Cheers,

Tom
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Ticket Details
===================
Ticket ID: XTZ-897730
Department: Support LDM
Priority: Normal
Status: Closed
===================
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