PDF error: error opening output file

My script works but not on production machine!

This is a little hard to explain but I have run across a script that I
created, and have working properly, on my Mac. When I copied it to a
Linux box at work, it doesn't work. Let me know if you want a look at
the script and/or the data used. Thanks. Donna

On my MacBook Pro, I have installed
  ncl_ncarg-5.2.1.MacOS_10.5_i386_nodap_gcc401

donna-cotes-macbook-pro:Gomex donnacote$ ncl -n axbtVsModel2.ncl
'DATADIR="./03june2010_axbt/"'
'MODEL2="./fgrid_fcast_river_20100601.nc"' 'PLOTDIR="./plots/"' >
log-plots-dlc-axbt-vs-model2.txt 2>&1
donna-cotes-macbook-pro:Gomex donnacote$ ls -lh
log-plots-dlc-axbt-vs-model2.txt
-rw-r--r-- 1 donnacote staff 243B Apr 22 13:53
log-plots-dlc-axbt-vs-model2.txt
donna-cotes-macbook-pro:Gomex donnacote$ cat
log-plots-dlc-axbt-vs-model2.txt
  Copyright (C) 1995-2010 - All Rights Reserved
  University Corporation for Atmospheric Research
  NCAR Command Language Version 5.2.1
  The use of this software is governed by a License Agreement.
  See http://www.ncl.ucar.edu/ for more details
donna-cotes-macbook-pro:Gomex donnacote$ ls -1 plots | wc -l
       25
donna-cotes-macbook-pro:Gomex donnacote$
   ;;; everything appears as it should be

   ;;; The machine, mesonet, has:
  ncl_ncarg-5.2.1.Linux_RedHat_x86_64_nodap_gcc412
[ldm@mesonet GOMEX-PPP]$ uname -a
Linux mesonet.tamu.edu 2.6.18-194.32.1.el5 #1 SMP Wed Jan 5 17:52:25 EST
2011 x86_64 x86_64 x86_64 GNU/Linux
[ldm@mesonet GOMEX-PPP]$ arch
x86_64
[ldm@mesonet GOMEX-PPP]$ gcc --version
gcc (GCC) 4.1.2 20080704 (Red Hat 4.1.2-48)
[ldm@mesonet GOMEX-PPP]$
;;;;

[dcote@mesonet GOMEX-PPP]$ ncl -n ~ldm/GOMEX-PPP/NCL/axbtVsModel2dlc.ncl
'DATADIR="./AXBT/03june2010_axbt/"'
'MODEL2="./2_PROFS_Oey/fgrid_fcast_river_20100601.nc"'
'PLOTDIR="/tmp/plots/"' > /tmp/log-plots-dlc-axbt-vs-model2.txt 2>&1
[dcote@mesonet GOMEX-PPP]$ ls -lh /tmp/log-plots-dlc-axbt-vs-model2.txt
-rw-r--r-- 1 dcote admins 1.1K Apr 22 13:45
/tmp/log-plots-dlc-axbt-vs-model2.txt
[dcote@mesonet GOMEX-PPP]$ ls -lh /tmp/plots
total 0
[dcote@mesonet GOMEX-PPP]$

Here I see the log has:
[ldm@mesonet GOMEX-PPP]$ head /tmp/log-axbt20100603-vs-Model2.txt
  Copyright (C) 1995-2010 - All Rights Reserved
  University Corporation for Atmospheric Research
  NCAR Command Language Version 5.2.1
  The use of this software is governed by a License Agreement.
  See http://www.ncl.ucar.edu/ for more details.
warning:GKS:GOPWK: --PDF error: error opening output file
fatal:Workstation with PID#8 is not open
fatal:Unable to open Workstation-Can't Create
fatal:Unable to access object with id:-4
fatal:NhlGetValues:PID #-4 is invalid
[ldm@mesonet GOMEX-PPP]$ tail /tmp/log-axbt20100603-vs-Model2.txt
fatal:Execute: Error occurred at or near line 3552 in file
$NCARG_ROOT/lib/ncarg/nclscripts/csm/gsn_code.ncl

fatal:Execute: Error occurred at or near line 123 in file
/usr/local/ldm/GOMEX-PPP/NCL/axbtVsModel2.ncl

  ERROR 3 IN NGSETI - value for WO must reference an open workstation.
  ERROR 1 IN NGSETI - Uncleared prior error
  ERROR 1 IN NGSETI - Uncleared prior error
  ERROR 1 IN NGSETI - Uncleared prior error
  ERROR 1 IN NGSETI - Uncleared prior error
  ERROR 1 IN NGSETI - Uncleared prior error
[ldm@mesonet GOMEX-PPP]$

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Received on Fri Apr 22 13:12:18 2011