Getting HPE_INVALID_CONSTANT response from conn.query using stardog.js in node with Stardog 3.x

[jrh...@thematix.com]

Code snippets from a node application I am building. This is a get handler I am using to test access to stardog.
Stardog is running locally, and I can execute the query successfully using the web console
Breakpointing the console.log(data.results.binding) line shows that the data object is an error object with error code HPE_INVALID_CONSTANT.
From what I see by searching the web, this appears to be a wrong header sent from stardog. I would be surprised if this was the case, but am at a loss to understand why I am getting this. Bytesparsed in the error object = 0.

var stardog = require("stardog");
var stardogconn = new stardog.Connection();
stardogconn.setEndpoint("http:localhost:5820/sdtest");
stardogconn.setCredentials("admin","admin");

vocabroutes.get('/:vocaburl/test', function(req,res) {
    console.log(stardogconn.getEndpoint());
    var qryobj = {
        database: "sdtest"
    };
    qryobj.query = "SELECT DISTINCT ?g ?s WHERE {GRAPH ?g {?s ?p ?o}}";
    stardogconn.query(qryobj, function (data) {
        console.log(data.results.bindings);
    });
})

[Edgar Rodriguez]

It seems like your endpoint has not been set up correctly, please refer to the following example that seems to do something similar to your code, but using express[1]: https://github.com/Complexible/stardog.js/blob/develop/examples/express-app/index.js#L14

[1] http://expressjs.com/

Cheers,

Edgar

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[Kendall Clark]

As Edgar implied, it might be good to spell the endpoint correctly. You want "http://".

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