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[protege-owl] Minor SPARQL Bug

Tania Tudorache tudorache at stanford.edu
Thu Sep 28 10:46:43 PDT 2006


Steven,

Thanks for the bug report. I have fixed this and added some minor 
enhancements to the SPARQL panel. The code is committed into the SVN 
repository. The fix will be available in the next beta build.

Tania


Steven Wartik wrote:
> Hi,
>
> In the category of things you shouldn't do but which I did anyway, you 
> get a null pointer exception if you execute the following SPARQL query:
>
>     SELECT ?entity WHERE { }
>
> The direct cause is a need to test whether varNode is null after line 
> 96 of 
> edu.stanford.smi.protegex.owl.model.query.SPARQLQueryResults.java (I'm 
> using source from the SVN repository).
>
> Steve Wartik
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>
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