On Tue, Jan 12, 2021 at 9:03 PM Ryan Kemper <rkem...@wikimedia.org> wrote:
> Hi Maciej, > > Thanks for noticing the error in the ticket provided. I did a search on > "*Linked > Data Fragments endpoint returns IllegalStateException*" and found the > correct ticket: > > *https://phabricator.wikimedia.org/T270476 > <https://phabricator.wikimedia.org/T270476>* (looks like the last two > digits got chomped in Guillaume's message) > > I don't see the ticket assigned/triaged at the moment so I'll try to make > sure it gets looked at in our next planning cycle. Sorry for the delay. > For some precision on the timeline: this means we'll push this ticket on our queue of current work next Monday. It might take a few weeks before we have time to actually work on it. But this is definitely not lost! > Ryan > > On Tue, Jan 12, 2021 at 8:29 AM Maciej Gawinecki <mgawine...@gmail.com> > wrote: > >> Hi Guillaume, >> >> Thanks for reporting the issue in the bug tracker. Is the link you have >> provided, https://phabricator.wikimedia.org/T2704, correct? >> >> The last activity in that ticket was in 2014... >> >> Thanks, >> Maciej Gawinecki >> >> czw., 17 gru 2020 o 16:05 Maciej Gawinecki <mgawine...@gmail.com> >> napisał(a): >> >>> Hi, >>> >>> I am trying to get alternative names of given names in WikiData with the >>> following simple query: >>> >>> PREFIX ps: <http://www.wikidata.org/prop/direct/> >>> PREFIX wd: <http://www.wikidata.org/entity/> >>> PREFIX rdfs: <http://www.w3.org/2000/01/rdf-schema#> >>> CONSTRUCT {?s rdfs:label ?o} >>> WHERE { ?s ps:P31 wd:Q202444. ?s rdfs:label ?o} >>> LIMIT 1000 >>> >>> Initially, the query was much more complex, but I was getting time-outs >>> on the public WikiData SPARQL endpoint. I decided to use Linked Data >>> Fragments to offload some filtering from the server to the client. >>> >>> comunica-sparql "https://query.wikidata.org/bigdata/ldf"; -f query > >>> given_names.n3 >>> >>> (where "query" is a file with the SPARQL query shown above). >>> Unfortunately, the client tries to get output from the 3rd page, I am >>> getting the following error: >>> >>> Could not retrieve >>> https://query.wikidata.org/bigdata/ldf?subject=http%3A%2F%2Fwww.wikidata.org%2Fentity%2FQ21147790&predicate=http%3A%2F%2Fwww.w3.org%2F2000%2F01%2Frdf-schema%23label&page=3 >>> (500: unknown error) >>> >>> Following the link in fact returns HTTP 500 error with >>> >>> Error details >>> java.lang.IllegalStateException >>> >>> The link points to the 3rd page. It works if you try to go the second >>> page: >>> https://query.wikidata.org/bigdata/ldf?subject=http%3A%2F%2Fwww.wikidata.org%2Fentity%2FQ21147790&predicate=http%3A%2F%2Fwww.w3.org%2F2000%2F01%2Frdf-schema%23label&page=2 >>> >>> Is this a bug or a limitation of a service? >>> >>> With kind regards, >>> Maciej Gawinecki >>> >> _______________________________________________ >> Wikidata mailing list >> Wikidata@lists.wikimedia.org >> https://lists.wikimedia.org/mailman/listinfo/wikidata >> > _______________________________________________ > Wikidata mailing list > Wikidata@lists.wikimedia.org > https://lists.wikimedia.org/mailman/listinfo/wikidata > -- *Guillaume Lederrey* (he/him) Engineering Manager Wikimedia Foundation <https://wikimediafoundation.org/>
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