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Re: [ferret_users] opendap access



Hi -
The error message is coming from the netCDF/Opendap library which Ferret uses to access OPeNDAP URL's. Ferret simply passes the entire URL string to the library, which tries to open the dataset, and if it encounters an error, passes the error back to Ferret. It's saying that the username/password credentials aren't recognized. The question needs to be addressed to the data provider at Aviso.

Ansley

On 9/22/2011 12:45 AM, nuncio@xxxxxxxxx wrote:
  HI All,

I tried to connect to the opendap using ferret by the following command
  use "http://aviso-users:grid2010@xxxxxxxxxxxxxxxxxxxxxxxxxx/thredds/dodsC/dataset-duacs-dt-upd-global-merged-msla-h";
but resulted in the following error

" syntax error, unexpected SCAN_WORD, expecting SCAN_ATTR or SCAN_DATASET or SCAN_ERROR
context:<!DOCTYPE^ HTML PUBLIC "-//IETF//DTD HTML 2.0//EN"><html><head><title>401 Authorization Required</title></head><body><h1>Authorization Required</h1><p>This server could not verify that youare authorized to access the documentrequested. Either you supplied the wrongcredentials (e.g., bad password), or yourbrowser doesn't understand how to supplythe credentials required.</p></body></html>
  **Internet Data error
            &nb sp; NetCDF: Malformed or inaccessible DAP DDS (OPeNDAP/netCDF Error code -72)
              Data set: http://aviso-users:grid2010@xxxxxxxxxxxxxxxxxxxxxxxxxx/thredds/dodsC/dataset-duacs-dt-upd-global-merged-msla-h "

How to get around this problem

Thanks and regards

National Centre for Antarctic and Ocean Research
Headland Sada, Vasco Da Gama
Goa, 403804
India.
Ph: Cell-91 9890357423
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