Hi Pat,
That gives the HTTP Error 500 as shown in the below screen shot. And
when I look at the stack trace(at the bottom of the page) interestingly
there is HTTP 401 error as shown below.
Caused by: HttpException: 401
at
org.apache.jena.sparql.engine.http.HttpQuery.rewrap(HttpQuery.java:411)
at
org.apache.jena.sparql.engine.http.HttpQuery.execGet(HttpQuery.java:355)
at org.apache.jena.sparql.engine.http.HttpQuery.exec(HttpQuery.java:292)
at org.apache.jena.sparql.engine.http.Service.exec(Service.java:183)
Thanks,
sanjeev
On Friday, April 14, 2017 at 6:45:42 PM UTC+5:30, Pat Doyle wrote:
>
> Sanjeev,
>
> This is just a guess - but what happens if you move the FILTER outside of
> the service call? In other words, do you get better results with something
> like this?:
> <ui:forEach ui:resultSet="{#
> SELECT ?p ?o
> WHERE {
> SERVICE ?sparqlEndPoint {
> GRAPH ?graphURI {
> ?s ?p ?o .
> } .
> } .
> FILTER (?s = ?conceptURI) .
> } }" ui:separator=",">
>
> Let me know,
> Pat
>
>
> On Fri, Apr 14, 2017 at 9:09 AM, sanjeev devireddy <[email protected]
> <javascript:>> wrote:
>
>> Hello,
>> By following the examples given at http://uispin.org/swon.html, a
>> service is developed to get the properties(Predicates & Objects) of a
>> Concept as shown below. This code snippet works fine without the SERVICE
>> Keyword. But when the SERVICE keyword is used then the concept URI value
>> has to be hard coded otherwise zero results are returned.
>>
>> <swon:Array>
>> <ui:forEach ui:resultSet="{#
>> SELECT ?p ?o
>> WHERE {
>> SERVICE ?sparqlEndPoint {
>> GRAPH ?graphURI {
>> ?s ?p ?o .
>> FILTER (?s = ?conceptURI) .
>> } .
>> } .
>> } }" ui:separator=",">
>> <swon:Object>
>> <swon:Value arg:name="result" arg:value="{= ui:label(?p) }"/>
>> <swon:Value arg:name="label" arg:value="{= ui:label(?o) }"/>
>> </swon:Object>
>> </ui:forEach>
>> </swon:Array>
>>
>>
>> *URL to invoke the REST service*
>>
>> http://localhost:8083/tbl/swp?_viewClass=g:getProperties&graphURI=urn:x-evn-master:geo&conceptURI=http://topquadrant.com/ns/examples/geography%23Asia&sparqlEndPoint=
>> <sparqlEndPoint_URI>
>>
>> I hope it is something to do with the way the URI is placed/passed
>> dynamically at the line FILTER (?s = ?conceptURI), when the SERVICE keyword
>> is used. Could some one please help us here?
>>
>>
>> Thanks,
>> sanjeev
>>
>>
>>
>>
>>
>>
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