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[GEMPAK #LLA-719485]: Broken decoders, dcwarn and similar



Hi Mike,

I don't have a lot to go off of here, and at Unidata we have not encountered 
this problem.   dcwarn, dcwtch and the lot are decoding correctly.  One thing 
of interest is that you're running GEMPAK decoders version 6.8.0.  

The dcwarn source has not changed since 6.7.0, but for 7.0 I updated the 
Makefile with the addition of $(XMLLIB) $(ZLIB) to LIBINC:

https://github.com/Unidata/gempak/tree/master/gempak/source/programs/dc/dcwarn

I'm sorry I can't provide a fix.  I would like to see if the errors persist if 
you rebuild from 7.1.0 source, or install the 7.1.0 RPM.

Michael James
Unidata 

 

> Greetings,
> 
> It seems to me that the GEMPAK warning and other similar decoders aren't
> working right (more complete list below).  Any data outputted from these
> decoders is zero file size.  I'm not entirely sure how long this has
> been occurring; I've only been looking at this for a couple of weeks now.
> 
> The log files for these decoders show they are starting, but tend not to
> show any specific error.  For example, dcwarn.log consists entirely of
> lines such as: "[24255] 140814/1008[DC 3]  Starting up. Version 6.8.0."
> Most of the log files for these decoders look like this.
> 
> dcwatch.log is a little different:
> [35276] 140813/1919[DC 3]  Starting up. Version 6.8.0
> [35276] 140813/1919[DC -6]  A time out has occurred.
> [35276] 140813/1919[DC 5]  Normal termination.
> [35276] 140813/1919[DC 2]  Number of bulletins read and processed: 1
> [35276] 140813/1919[DC 6]  Shutting down.
> 
> The decoders that I've seen exhibit these problems are dcwarn, dcffa,
> dchrcn, dcwcn, dcwcp, dcwou, dcwtch, and dcwatch.  dcwatch output is not
> zero file size, but data doesn't seem usable.  I suspect dcwstm will have
> these problems as well, but cannot verify due to lack of winter products
> being issued.
> 
> Thank you for your time and consideration.
> 
> --
> ======================
> Mike Zuranski
> 
> College of DuPage - Nexlab
> Weather.cod.edu
> ======================
> 
> 

Ticket Details
===================
Ticket ID: LLA-719485
Department: Support GEMPAK
Priority: High
Status: Open