I don't quite see how this would cause the problem, but I do note that of the three bindings in your code below, the first is _not_ to "s" (as you say in your description), but to "o".
--- A. Soroka The University of Virginia Library > On Jul 14, 2016, at 12:09 PM, Chris Jones <ch...@cjones.org> wrote: > > I'm building a simple query of the form "?s ?p1 / ?p2 ?o" and binding s, p1, > and p2 using QuerySolutionMap. I get this error back: > > Exception in thread "main" org.apache.jena.query.QueryParseException: > Encountered " "/" "/ "" at line 1, column 26. > > Here's the code that reproduces the error, using Jena 3.1.0: > > package org.cjones.test; > > import org.apache.jena.query.*; > import org.apache.jena.rdf.model.ResourceFactory; > import org.apache.jena.tdb.TDBFactory; > > public class Test { > public static void main(String[] args) { > Dataset dataset = TDBFactory.createDataset("db"); > String queryStr ="select ?o where { ?s ?p1 / ?p2 ?o }"; > QuerySolutionMap bindings =new QuerySolutionMap(); > bindings.add("o", > ResourceFactory.createResource("http://example.com/Alice")); > bindings.add("p1", > ResourceFactory.createResource("http://example.com/boss")); > bindings.add("p2", > ResourceFactory.createResource("http://example.com/givenName")); > dataset.begin(ReadWrite.READ); > QueryExecution qe = QueryExecutionFactory.create(queryStr, dataset, > bindings); > ResultSet rs = qe.execSelect(); > // ... dataset.end(); > } > } > > I don't think I'm doing anything wrong, am I? > > Chris >