Natanael Arndt created JENA-655:
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Summary: SPARQL query fails if answer contains extra content
Key: JENA-655
URL: https://issues.apache.org/jira/browse/JENA-655
Project: Apache Jena
Issue Type: Bug
Components: ARQ
Affects Versions: Jena 2.11.1
Reporter: Natanael Arndt
When sending a query to a service which doesn't only reply the fields "head"
and "results", but also some extra field the query execution will throw an
Exception.
An example is the myexperiment service [1] when you send this query "select ?s
{?s ?p ?o} limit 1" and an "application/sparql-results+json" Accept-Header you
will get something like that:
{"head":{"vars":["s"]},
"results": {
"bindings":[
{"s":{"type":"uri","value":"http://rdf.myexperiment.org/ontologies/snarm/Policy"}}
]
},
"warnings": ["parser warning: Variable o was bound but is unused in the query
on line 1",
"parser warning: Variable p was bound but is unused in the query on line 1"]
}
It also contains the not standard field "warnings", which makes jena to throw
an exception. I don't see any necessity for this behavior.
[1] http://rdf.myexperiment.org/sparql/
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