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[LDM #MUX-347649]: Getting a REGEXP to work with NGRID is driving me nuts!

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  • Subject: [LDM #MUX-347649]: Getting a REGEXP to work with NGRID is driving me nuts!
  • Date: Fri, 11 Nov 2011 14:00:12 -0700
Gilbert,

> On Fri, 11 Nov 2011, Unidata LDM Support wrote:
> 
> > The first thing I would do would be to verify that you can correctly
> > process the desired data-products that are already in the product-queue.
> > Extract the pqact(1) configuration-file entry into its own
> > configuration-file and then execute pqact(1) manually -- specifying the
> > configuration-file you just created -- and ensuring that the "time
> > offset" option will cause any desired data-products in the product-queue
> > to be process (verify that they do exist in the product-queue with an
> > appropriate pqcat(1)). Make sure you execute the pqact(1) process in the
> > right directory.
> 
> (Scratches head) Why would I have to do that?

In order to verify that a pqact(1) process with the configuration-file entry 
under discussion and outside the context of the LDM system doesn't process the 
products that it should and also to, hopefully, help diagnose the problem.

> I deleted and rebuilt the
> queues, and nothing, yet I see the products coming across. Are you saying
> that there's something wrong with my pqact.conf? If so, I'm stymied.
> 
> But now I'm seeing this in my ldmd.log:
> 
> Nov 11 19:50:19 weather2 131.156.8.58(noti)[18651] NOTE: Starting
> Up(6.10.1/5): 20111111190019.644 TS_ENDT {{ANY,  "^[LM].DB.. KWBG"}}
> Nov 11 19:50:19 weather2 131.156.8.58(noti)[18651] NOTE: topo:
> 131.156.8.58 ANY
> Nov 11 19:50:21 weather2 131.156.8.58(noti)[18651] ERROR: LTDB90 KWBG
> 111900 !grib2/ncep/RUC2/#130/201111111900F001/TMPK/900 hPa PRES: RPC:
> Unable to receive
> Nov 11 19:50:21 weather2 131.156.8.58(noti)[18651] ERROR: pq_sequence
> failed: Input/output error (errno = 5)
> Nov 11 19:50:21 weather2 ldmd[5902] NOTE: child 18651 exited with status 1

Process 18651 was, undoubtedly, a notifyme(1) process -- in which case I would 
expect the error-messages listed.

> Nov 11 19:50:41 weather2 131.156.8.58(noti)[18760] NOTE: Starting
> Up(6.10.1/5): 20111111190041.787 TS_ENDT {{NGRID,  "^[LM].DB.. KWBG"}}
> Nov 11 19:50:41 weather2 131.156.8.58(noti)[18760] NOTE: topo:
> 131.156.8.58 NGRID
> Nov 11 19:50:43 weather2 131.156.8.58(noti)[18760] ERROR: LHDB90 KWBG
> 111900 !grib2/ncep/RUC2/#130/201111111900F001/HGHT/900 hPa PRES: RPC:
> Unable to receive
> Nov 11 19:50:43 weather2 131.156.8.58(noti)[18760] ERROR: pq_sequence
> failed: Input/output error (errno = 5)
> Nov 11 19:50:43 weather2 ldmd[5902] NOTE: child 18760 exited with status 1

Same.

> I am doing all of this on weather2.admin.niu.edu.
> 
> *******************************************************************************
> Gilbert Sebenste                                                     ********
> (My opinions only!)                                                  ******
> Staff Meteorologist, Northern Illinois University                      ****
> E-mail: address@hidden                                  ***
> web: http://weather.admin.niu.edu                                      **
> Twitter: http://www.twitter.com/NIU_Weather                            **
> Facebook: http://www.facebook.com/niu.weather                           *
> *******************************************************************************

Regards,
Steve Emmerson

Ticket Details
===================
Ticket ID: MUX-347649
Department: Support LDM
Priority: Normal
Status: Closed