Hi Nathan,
The HTML view of a catalog isn't defined in the spec. So, the TDS (and
underlying servlet framwork) does not assume that a remote THREDDS
catalog can be requested in an HTML view with a simple replacement of
.xml with .html. Instead it tries to generate the HTML view itself with
the service URL you are seeing.
Ethan
Nathan Potter wrote:
Ethan et al.,
This is a question about THREDDS 3.16 and DataRootHandler.
I am looking at configuring a THREDDS catalog to reference a catalog
on another system. I imagined that I could put this:
<catalogRef xlink:href="http://motherlode.ucar.edu:8080/thredds/catalog.xml
" xlink:type="simple" xlink:title="Motherlode, UNIDATA"
name="Motherlode_UNIDATA"/>
into my catalog.xml.
When I do that and ask the server for the catalog.xml I get this entry:
<catalogRef xlink:href="http://motherlode.ucar.edu:8080/thredds/catalog.xml
" xlink:title="Motherlode, UNIDATA" name="" />
Although it lost the xlink:type attribute (which is expected) and also
the value of the name attribute (not expected), it should still work
since the the xlink:href attribute is correct, and dereferencing that
absolute URL it will get you that catalog.
However when I ask for the catalog.html I get this bit:
<a href="/opendap/catalogServices?catalog=http://motherlode.ucar.edu:8080/thredds/catalog.xml
"><tt>Motherlode, UNIDATA/</tt></a></td>
Now, in my mind the value href attribute should have been:
http://motherlode.ucar.edu:8080/thredds/catalog.html
I think this because this (the catalog.html document) is the
presentation view of the catalog and it should point to the
presentation view of the referenced catalog. Rather, it points to a
local servlet... Which I am not running :( because I didn't know about
it or what it might do.
Can you explain what's going on?
Nathan
= = =
Nathan Potter ndp at opendap.org
OPeNDAP, Inc. 541.752.1852
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Ethan R. Davis Telephone: (303) 497-8155
Software Engineer Fax: (303) 497-8690
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