afs opened a new issue, #1399:
URL: https://github.com/apache/jena/issues/1399
### Version
4.6.0-SNAPSHOT
### What happened?
Executing a query involving `SERVICE` with an empty context does not work
because there is no default service execution.
@Aklakan - for your improvements in this area, could you please ensure that
it executes when the context does not have a setting for
`ARQConstants.registryServiceExecutors`.
### Which environment is running?
- [ ] macOS
- [ ] Windows
- [X] Linux
- [ ] other
### Relevant output and stacktrace
```shell
public static void main(String...args) {
FusekiLogging.setLogging();
FusekiServer server = FusekiServer.create()
.port(0)
.add("/ds", DatasetGraphFactory.empty())
.start();
String SERVICE = "http://localhost:"+server.getPort()+"/ds";
Node expected = NodeFactory.createLiteral("28181",
XSDDatatype.XSDinteger);
String queryString = "SELECT * { SERVICE <"+SERVICE+"> { VALUES ?x {
28181 } } }";
// Empty context
Context cxt = new Context();
//Context cxt = ARQ.getContext().copy();
RowSet rs = QueryExec.dataset(DatasetGraphFactory.empty())
.query(queryString)
.context(cxt)
.select()
.materialize();
assertTrue(rs.hasNext());
Node n = rs.next().get("x");
assertEquals(expected, n);
}
```
### Are you interested in making a pull request?
_No response_
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