Hi Bo! Would it be possible to get access / a URL to this test instance? Feel free to send it to me outside of this list (if possible)
Addshore On 11 August 2015 at 08:05, Bo Ferri <[email protected]> wrote: > Hi Addshore, > > currently, I can't see what's wrong with the Statement with the property > P251. It should refer to another Item (which should be possible within the > Wikidata data model). This is the difference between all other Statements - > they simply refer to literal Values. I also had a look at the JSON > serialisation documentation. In the Snak section [1] I can find an example > that looks similar to mine (or maybe I'm blind and oversee something). > Furthermore, I'm serialising POJO objects from the Wikidata Toolkit (i.e. I > do not construct the JSON at my own). The Item that is the Value of this > Statement exists already in my Wikibase instance (all properties exists as > well). > We are running a nightly snapshot of MediaWiki (incl. Wikibase extension). > > Thanks a lot in advance for all your help. > > Cheers, > > > Bo/T > > > [1] https://www.mediawiki.org/wiki/Wikibase/DataModel/JSON#Snaks > > > > Quoting Addshore <[email protected]>: > > At a guess this is due to a miss match between the datavalue of a property >> and the datavalue that you are trying to set in a statement for that >> property. >> >> The error also says that it gets an array where it expects a string so I >> guess the issue is with P251 where the value is an array instead of a >> string! >> >> Could P251 possibly be a string? >> >> On 10 August 2015 at 14:25, Bo Ferri <[email protected]> wrote: >> >> Hi all, >>> >>> (apologies, if this is not the right place for raising the following >>> issue >>> (if this is the case, then please delegate me to a more appropriated >>> place >>> ;) )) >>> >>> we are currently evaluating Wikibase as storage for D:SWARM GDM data (see >>> [1,2]). Right now, we have a prototype client [3] that makes use of a >>> Wikidata Toolkit fork [4]. So far, we were able to write/create simple >>> items and properties. However, we also would like to create new items >>> with >>> a given set of statements. Therefore, we intended to utilise the >>> 'wbeditentity' HTTP API (and I had (and still have) a lively conversation >>> with Markus Krötzsch about this topic, see [5]). We get (a kind of) item >>> JSON serialisation (e.g. with help of JacksonObjectFactory-based >>> DatamodelConverter (Wikidata Toolkit code)). However, when sending this >>> to >>> the 'webeditentity' API we always receive an error response like this: >>> >>> " >>> { >>> "error": { >>> "code": "modification-failed", >>> "info": "array instead of string", >>> "messages": [ >>> { >>> "name": "wikibase-validator-bad-type", >>> "parameters": [ >>> "string", >>> "array" >>> ], >>> "html": { >>> "*": "array instead of string" >>> } >>> } >>> ], >>> "*": "See http://[OUR WIKIBASE SERVICE IP]/api.php for API usage" >>> } >>> } >>> " >>> >>> We cannot really interpret what's wrong with the data model that we send >>> to this API (note: we make use of the POJOs below >>> 'org.wikidata.wdtk.datamodel.json.jackson' package of Wikidata Toolkit, >>> see >>> [6]). An example of a data JSON is attached to this e-mail. >>> >>> Thanks a lot in advance for all your help. >>> >>> Cheers, >>> >>> >>> Bo/T >>> >>> >>> [1] http://dswarm.org >>> [2] https://github.com/dswarm/dswarm-documentation/wiki/Graph-Data-Model >>> [3] >>> >>> https://github.com/zazi/wikidata-d-swarm-importer/tree/own_mediawiki_api_client >>> [4] >>> >>> https://github.com/zazi/Wikidata-Toolkit/tree/wikibase_api_write_modifications >>> [5] https://github.com/Wikidata/Wikidata-Toolkit/issues/162 >>> [6] >>> >>> https://github.com/zazi/wikidata-d-swarm-importer/blob/own_mediawiki_api_client/src/main/java/org/dswarm/wikidataimporter/WikibaseAPIClient.java#L368 >>> >>> _______________________________________________ >>> Wikidata-tech mailing list >>> [email protected] >>> https://lists.wikimedia.org/mailman/listinfo/wikidata-tech >>> >>> >>> >> >> -- >> Addshore >> > > > > > _______________________________________________ > Wikidata-tech mailing list > [email protected] > https://lists.wikimedia.org/mailman/listinfo/wikidata-tech > -- Addshore
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