[thredds] Fwd: working aggregation breaks with upgrade to TDS 4.X

• To: thredds community <thredds@xxxxxxxxxxxxxxxx>
• Subject: [thredds] Fwd: working aggregation breaks with upgrade to TDS 4.X
• From: Roy Mendelssohn <Roy.Mendelssohn@xxxxxxxx>
• Date: Fri, 16 Oct 2009 07:47:03 -0700

Thought this might be a better place to field this question.

-Roy

Begin forwarded message:

From: Davie Robertson <rjdave@xxxxxxxxx>
Date: October 16, 2009 6:25:26 AM PDT

To: IOOS Model Data Interoperability Working Group <ioos_model_data_interop@xxxxxxxxxxxxxxxx >

Subject: working aggregation breaks with upgrade to TDS 4.X
Reply-To: ioos_model_data_interop@xxxxxxxxxxxxxxxx


Hi all,

I want to upgrade my TDS to 4.1 so I can serve compressed netcdf 4
files. I have tested it and it works great! However the upgrade to 4.1
breaks a couple of my aggregated datasets. The problem occurs when my
aggregating variable and it's dimension have different names. For
example my working dataset uses ocean_time(ocean_time) but the broken
ones use ocean_time(time). 3.17 works fine for either case but 4.1
(and probably 4.0) crap out with:

Error {
  code = 500;
  message = "AggregationExisting: no coordinate variable for agg
dimension=time";
};

The relevant section of my catalog is:

<dataset name="Averages"
        ID="eac_301_averages"
        urlPath="roms/eac/301/avg" >

  <netcdf xmlns="http://www.unidata.ucar.edu/namespaces/netcdf/
ncml-2.2">
     <aggregation dimName="ocean_time" type="joinExisting">
        <scan
              location="/home/om/dods-data/thredds/roms/eac/301/avg/"
              suffix=".nc" />
     </aggregation>
  </netcdf>
</dataset>

Any ideas? The earlier runs with ocean_time(ocean_time) are fine on
4.1 and 3.17.

Thanks,
David Robertson
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**********************
Roy Mendelssohn
Supervisory Operations Research Analyst
NOAA/NMFS
Environmental Research Division
Southwest Fisheries Science Center
1352 Lighthouse Avenue
Pacific Grove, CA 93950-2097

e-mail: Roy.Mendelssohn@xxxxxxxx (Note new e-mail address)
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• Follow-Ups:
  • Re: [thredds] Fwd: working aggregation breaks with upgrade to TDS 4.X
    • From: Richard Signell