CURL Error: Couldn't connect to server

[Ibrahim Palma]

Hello everyone
I am trying to run the CMS but when I run ./getdata I get the following error

$ ./getdata example 1
 fill_value and velocity_conversion_factor on read   1.26765060E+30   1.00000000    
 Opening file for reading: http://tds.hycom.org/thredds/dodsC/glb_analysis
CURL Error: Couldn't connect to server
curl error details:
 Error in the netCDF file: http://tds.hycom.org/thredds/dodsC/glb_analysis
 NetCDF: I/O failure

and when I try to access the CURL address directly through Google I get

Error {    
    code = 400;
    message = "Unrecognized request";
};

It is the right direction?
Could you offer me the correct CURL please?

Thanks in advance

[sally.wood]

Hi Ibrahim, the URL you are using no longer exists (I guess you are just using the old example input nest.nml file as is, without changing anything?). Instead, depending on what HYCOM data you are trying to download, it will be something like: http://tds.hycom.org/thredds/dodsC/GLBu0.08/expt_19.1.html. You need to browse the HYCOM data server (https://hycom.org/dataserver) for the experiment you want, and then navigate through to the OPENDAP link. This is also where you will get all the information to fill in the nest.nml file. See a post on this here

Hope that helps,

Sally

[Ibrahim Palma]

Hi Dr. Sally Wood. I appreciate your help
I worked in the corrections but when I try to run the ./getdata I get a similar mistake with the new direction.

--------------------------------------------------------------------------------------------------------------------------------------
$ ./getdata example 1
 fill_value and velocity_conversion_factor on read  -30.0000000       1.00000000   
 Opening file for reading: http://tds.hycom.org/thredds/dodsC/GLBu0.08/expt_19.1/2011
CURL Error: Couldn't resolve host name
curl error details:
 Error in the netCDF file: http://tds.hycom.org/thredds/dodsC/GLBu0.08/expt_19.1/2011
 NetCDF: I/O failure
------------------------------------------------------------------------------------------------------------------------------------

I tried to access by hand but needed termination. html to do it:

        "Http://tds.hycom.org/thredds/dodsC/GLBu0.08/expt_19.1/2011.html"

But ./getdata did not recognize the address.

Is this page correct (with .html termination) to download the files or do I need to add something else?

Thanks in advance for your help
Ibra

[Sally Wood]

No, you don't need the .html, the url you specified is correct:

http://tds.hycom.org/thredds/dodsC/GLBu0.08/expt_19.1/2011

So either you are doing something else wrong (maybe post the nest.nml file you are using), or it is a problem at the HYCOM server - see this recent thread on the HYCOM forum re access issues: https://groups.google.com/a/hycom.org/forum/#!topic/forum/XHYo28P4_hk

Sally

Dr Sally Wood  

School of Earth Sciences, University of Bristol

Wills Memorial Building, Queens Road, BRISTOL BS8 1RJ

+44 (0)117 954 5429 | w: salwood.weebly.com | t: @SalWood82

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[Ibrahim Palma]

Hi, Dr. Sally. I appreciate your help

I am asking in the forum of HyCOM

As you stated above my nest_1.nml file it is in the following form:
------------------------------------------------------------------------------------------------------------------------------
&nest_input
 filename=  "http://tds.hycom.org/thredds/dodsC/GLBu0.08/expt_19.1/2011"
 xaxis= "lon"
 yaxis= "lat"
 zaxis= "depth"
 taxis= "time"
 xstart=-10.0
 xend=10.0
 ystart=50.0
 yend=63.04
 zstart=0.0
 zend=0.0
 zaxis_positive_direction= "down"
 tstart_yy=2011
 tstart_mm=04
 tstart_dd=29
 tend_yy=2011
 tend_mm=06
 tend_dd=28
 time_step=86400
 time_units= "hours"
 jdate_yy=2000
 jdate_mm=01
 jdate_dd=01
 lon_name= "lon"
 lat_name= "lat"
 depth_name= "depth"
 depth_conversion_factor=1
 time_name= "time"
 uvel_name= "water_u"
 vvel_name= "water_v"
 wvel_name= ""
 wvel_positive_direction = ""
 velocity_conversion_factor=1
 dens_name= ""
 temp_name= "water_temp"
 saln_name= ""
 ssh_name= ""
 angle_file=""
 fill_value=-30
 agrid=.true.
$end
------------------------------------------------------------------------------------------------------------------------------
Thanks in advance
Ibra