On 04/03/16 07:22, Andreas Kahl wrote:
[2] Stacktrace:
org.apache.jena.sparql.core.Var$NotAVariableException: Node_variable
(not a Var) found
     at org.apache.jena.sparql.core.Var.isVar(Var.java:146)

use Var.alloc, not NodeFactory.createVariable.

Var is a subclass of Node_variable that adds extra things for SPARQL.

        Andy

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