Hi David Revision 1148852 [1] adds support for improved Error handling SPARQL EntityDereferencer and EntitySearcher.
Now the content typically shown in the browser in case of errors should be included as message of the thrown IOException. best Rupert [1] http://svn.apache.org/viewvc?view=revision&revision=1148852 On Wed, Jul 20, 2011 at 3:27 PM, David Riccitelli <[email protected]> wrote: > Thanks Rupert, > > I experienced similar problems from time to time and concluded that it >> will most likely related to dbpedia denying additional requests an IP >> already sent a lot of them in a short period of time. > > > I had a similar guess, but the tests I conduct with curl are from the same > machine hosting Stanbol. > > However it is just an assumption so I am working currently to >> improvements to the loggings so that the content sent by the Server in >> case of 4** and 5** responses is printed to the log. > > > Perfect, I'll test it as soon as it is avail. > > Thanks, > David > > On Wed, Jul 20, 2011 at 4:24 PM, Rupert Westenthaler < > [email protected]> wrote: > >> Hi David >> >> On Wed, Jul 20, 2011 at 1:07 PM, David Riccitelli >> <[email protected]> wrote: >> > I'm running a query using the engines end-point. Eventually I get a >> failure >> > with an exception [1] in the logs, whose underlying cause seems to be: >> > *Server returned HTTP response code: 500 for URL*: >> > >> http://dbpedia.org/sparql?query=SELECT+DISTINCT+?id+%0AWHERE+%7B+%0A++%7B+%0A++++?id+%3Chttp://www.w3.org/1999/02/22-rdf-syntax-ns%23type%3E+%3Chttp://dbpedia.org/ontology/Organisation%3E+.+%0A++++?id+%3Chttp://www.w3.org/2000/01/rdf-schema%23label%3E+?tmp1+.+%0A++++++?tmp1+bif:contains+'%22News%22+AND+%22of%22+AND+%22the%22+AND+%22World%22'+.+%0A%7D+%0A%7D+%0AORDER+BY+DESC+(+%3CLONG::IRI_RANK%3E+(?id)+)+%0ALIMIT+20+%0A&format=application/sparql-results%2Bjson >> > >> > But if I copy and paste the URL and run it with curl, I don't get 500. >> How >> > is that possible? >> >> I experienced similar problems from time to time and concluded that it >> will most likely related to dbpedia denying additional requests an IP >> already sent a lot of them in a short period of time. >> However it is just an assumption so I am working currently to >> improvements to the loggings so that the content sent by the Server in >> case of 4** and 5** responses is printed to the log. >> >> This should help to see what is really happening. >> >> best >> Rupert >> >> -- >> | Rupert Westenthaler [email protected] >> | Bodenlehenstraße 11 ++43-699-11108907 >> | A-5500 Bischofshofen >> > > > > -- > David Riccitelli > > Interact SpA > Via A. Bargoni 78 (scala F) > 00153 Roma > > T +39 06 58318 301 > F +39 06 58318 303 > -- | Rupert Westenthaler [email protected] | Bodenlehenstraße 11 ++43-699-11108907 | A-5500 Bischofshofen
