Re: [thredds] Broken dataset URL using TDS 4.6

• To: Egil Støren <egils@xxxxxx>
• Subject: Re: [thredds] Broken dataset URL using TDS 4.6
• From: "dmh@xxxxxxxx" <dmh@xxxxxxxx>
• Date: Wed, 29 Jun 2016 13:41:04 -0600

My immediate assumption is that your catalog.xml changed.
can you post the relevant part showing that it contains met.no?
=Dennis Heimbigner
 Unidata

On 6/29/2016 1:06 PM, Egil Støren wrote:

Yes, that is exactly what I tell you in my E-mail. The URL does not work
with met.no <http://met.no>, I have to use metno instead. But the first
URL (with met.no <http://met.no>) worked fine in TDS 4.3, and it does
not in 4.6. Why?

We have a large number of hardcoded URLs using met.no <http://met.no>
which we prefer not to change, although this will be an achievable task.
But I do not want to do this before I know the reason for the difference
between 4.3 and 4.6. Is this a documented change or a bug?

Best regards,

   Egil

On Wed, Jun 29, 2016 at 6:52 PM, dmh@xxxxxxxx <mailto:dmh@xxxxxxxx>
<dmh@xxxxxxxx <mailto:dmh@xxxxxxxx>> wrote:

    If you change 'met.no <http://met.no>' in that url to 'metno'
    it works.
    =Dennis Heimbigner
     Unidata

    On 6/29/2016 4:35 AM, Egil Støren wrote:

        Hi,

        We have recently upgraded from TDS 4.3 to TDS 4.6, and discover that
        some dataset URLs that formerly worked OK, no gives 404 Not
        found status.

        One example is this:

         
http://thredds.met.no/thredds/catalog/arcticdata/met.no/tamHADA2HI55NO/catalog.html?dataset=arcticdata/met.no/tamHADA2HI55NO/tamHADA2HI55NO_2090_01_01.nc

        This dataset is part of a datasetscan element in the catalog:

        <datasetScan name="MET Norway" ID="arcticdata/metno"
        path="arcticdata/met.no <http://met.no> <http://met.no>"
        location="/metno/damocles/arcticdata/met.no/ <http://met.no/>
        <http://met.no/>">
        ...
        </datasetScan>

        While the above URL does not work, the following URL will work
        (where
        "?dataset=arcticdata/met.no/ <http://met.no/>..
        <http://met.no/..>." is replaced with
        "?dataset=arcticdata/metno/..."):

        
http://thredds.met.no/thredds/catalog/arcticdata/met.no/tamHADA2HI55NO/catalog.html?dataset=arcticdata/metno/tamHADA2HI55NO/tamHADA2HI55NO_2090_01_01.nc

        It seems that TDS use the ID attribute in the datasetscan element to
        construct the dataset path rather than the path attribute. But I
        find
        this hard to believe, as it would surely have been discovered
        already by
        others.

        Can anyone provide an explanation?

        Best regards,

           Egil Støren
           MET Norway


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