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[thredds] Thredds-Error when serving a nc-file in opendap

Hi,
I have a problem serving a netcdf-file as opendap stream. The file is based at: 

http://thredds.met.no/thredds/catalog/cryoclim/met.no/GLO/catalog.html?dataset=cryoclim/met.no/GLO/GLO_9_jostedal_LT5_20060916_104312_polar.nc


When requesting the default as ASCII, I get:

Error {
    code = 3;
message = "Invalid Parameter Exception: DArrayDimension.setProjection: Bad Projection Request: stop < 0"; 
};


When requesting the variable Polar_Stereographic_Grid, I get an error code:

Error {
    code = 5;
    message = "Illegal index for range last index";
};
ncWMS/thredds for this file works fine. I guess the culprit is the definition of Polar_Stereographic_Grid: 

         polar = UNLIMITED ; // (0 currently)
variables:
         int Polar_Stereographic_Grid(polar) ;
i.e. a 0-size unlimited variable. In fact, the Polar_Stereographic_Grid is just a attribute-container for the grid-mapping, so dimensions shouldn't matter.
We're using thredds 4.2.9 with tomcat 6.0.X in production and I tested it with thredds 4.3.15 with tomcat 7.0.X. Both thredds versions have the same behaviour. 


Best regards,

Heiko

--
Dr. Heiko Klein                              Tel. + 47 22 96 32 58
Development Section / IT Department          Fax. + 47 22 69 63 55
Norwegian Meteorological Institute           http://www.met.no
P.O. Box 43 Blindern  0313 Oslo NORWAY
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