Hi Gofran,
If you turn server side tracing on in Virtuoso using the "trace_on()" [1]
command is the request actually reaching the server ?
Best Regards
Hugh Williams
Professional Services
OpenLink Software, Inc. // http://www.openlinksw.com/
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[1] http://docs.openlinksw.com/virtuoso/fn_trace_on.html
On 23 May 2014, at 11:11, Gofran Shukair <gofranshuk...@gmail.com> wrote:
>
> Hello all,
>
> I was hoping that you could help me with this issue related to Virtuoso. I
> have problem with the update query using HTTP call from Jena.
>
> Running the same query from the SPARQL interface in the conductor –logged in
> as DBA- works fine, but calling the SPARQL endpoint from Java program with
> the same credentials does not work. I know that SPARQL conductor runs using
> the “SPARQL” user, So I tried both “SPARQL” and “DBA” but still not working.
>
> There is no error or exception, but the update is not occurring.
>
> Do you have any idea about what is the right way to run an update query from
> Jena against a Virtuoso endpoint?
>
> Here is how I call the endpoint from Java using Jena:
>
>
> Context ctx = ARQ.getContext();
> Map<String, Context> serviceContext = new HashMap<String, Context>();
> Context authContext = new Context();
> authContext.put(Service.queryAuthUser, "dba");
> authContext.put(Service.queryAuthPwd, "pass");
> serviceContext.put(this.dataSetUpdateURL, authContext);
> ctx.put(Service.serviceContext, serviceContext);
>
> UpdateRequest update = new UpdateRequest();
> update.add(queryString);
>
> UpdateProcessRemoteBase ue = (UpdateProcessRemoteBase)
> UpdateExecutionFactory.createRemote(update, this.dataSetUpdateURL,ctx);
> ue.execute();
> The query is something like:
>
>
> With <http:/graph>
> Delete {
> ?s ?p ?o.
> }
> Insert {
> ?s ?p ?o2.
> }
> Where {
> ?s ?p ?o.
> }
> I tried both http://<ip>:<port>/sparql and http://<ip>:<port>/sparql-auth for
> the dataSetUpdateURL and changed the user to have the right group
> "SPARQL_UPDATE"
>
> Here are the logs
>
> 2014-05-22 17:19:52,724 DEBUG
> [com.hp.hpl.jena.sparql.modify.UpdateProcessRemoteBase]: Endpoint
> URIhttp://localhost/sparql-auth has SERVICE Context:
> symbol:http://jena.hpl.hp.com/Service#queryAuthPwd = pass_dba
> symbol:http://jena.hpl.hp.com/Service#queryAuthUser = dba
>
> 2014-05-22 17:19:52,724 DEBUG
> [com.hp.hpl.jena.sparql.modify.UpdateProcessRemoteBase]: Setting basic HTTP
> authentication for endpoint URI http://localhost/sparql-auth with username:
> dba
>
> Thanks,
> Gofran
>
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