[ECODP-dev] LOD2 CKAN tech question

Fri Feb 22 16:39:37 UTC 2013

Dear John,

Thank you very much for your quick reply! We will have to take the 
existence of custom schema into account then.

Thank you for pointing this out!

Karel

On 22/02/2013 17:25, John Glover wrote:
> Hello,
>
> Yes, the ODP CKAN repository has a custom schema that requires that 
> these fields are present. "published_by" must refer to an existing ODP 
> publisher.
>
> John
>
>
> On 22 February 2013 17:16, Bert Van Nuffelen 
> <bert.van.nuffelen at tenforce.com 
> <mailto:bert.van.nuffelen at tenforce.com>> wrote:
>
>     Hi,
>
>     in the context of LOD2 Karel is creating an dataset and resource
>     upload from a Linked Data workbench to a CKAN instance. For
>     testing he uses the ODP.
>     Now he is blocked in some aspects of the REST-calls to be
>     executed, if this is at all possible.
>
>     Can you assist him?
>
>     thanks a lot.
>     hereunder is the question.
>
>     Bert
>
>     ----
>     Hi,
>
>     I have been trying to get the CKAN upload to work in the case of
>     the LOD2 project. I noted however that our CKAN repository expects
>     some the package_create call to have some parameters that have not
>     been documented in the api
>     (http://docs.ckan.org/en/ckan-1.8/apiv3.html#action-api).
>
>     For instance, when I send the following json document to the server
>     {"name":"testCKANcreate","
>     notes":"Testing whether we can create a CKAN
>     package","title":"ckan package
>     test","url":"http://localhost:8080/index.html","version":"1.0"}
>
>     The server returns an error message:
>     {success:false,
>      help: "<long documentation string here, same as api>",
>      error: {"__type": "Validation Error",
>               "status": ["Missing value"],
>               "description": ["Missing value"],
>               "published_by": ["Missing value"]}}
>
>     When i enter testing values, the system complains (correctly) that
>     the published_by name is not found in the system.
>
>     My question is: is this behavior specific to our CKAN repository
>     at the ODP project? Because if it is, the LOD2 project will not be
>     able to communicate with just any CKAN repository, which is too bad.
>
>
>     Karel
>
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>
>

-- 
*Karel Kremer*
Software Engineer at Tenforce, Belgium
(Skype: karel.kremer)
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