issue inserting new triples via SPARQL endpoint

[Justin Lien]

Hello,

I'm attempting to insert new triples via the SPARQL endpoint using the following query:

 

INSERT DATA
    { GRAPH <urn:x-evn-master:update_test> { update_test:concepts
        skos:hasTopConcept  update_test:one .
    update_test:one  skos:prefLabel  "one" . } }
WHERE { ?s ?p ?o }

and receive the following error:

**Invalid SPARQL query string: Encountered " <INSERT_DATA> "INSERT DATA "" at
line 5, column 1. Was expecting one of: "base" ... "prefix" ... "select" ...
"json" ... "describe" ... "construct" ... "ask" ... .**

We have Enable SPARQL updates set to true in the Server Configuration Parameters and I'm also able to add triples with a slightly modified query 

INSERT
{
    update_test:concepts
        skos:hasTopConcept  update_test:six .
    update_test:six skos:prefLabel  "six" .
  }
WHERE {
  ?s ?p ?o .
}

using the SPARQL query feature in the taxonomy without issue.

Any ideas on how to resolve?

Thank you,

Justin

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[Holger Knublauch]

Hi Justin,

INSERT DATA is not followed by a WHERE clause - just try removing that WHERE line - none of the variables there are used in the INSERT clause anyway.

https://www.w3.org/TR/2013/REC-sparql11-update-20130321/#insertData

It probably fails to parse this on its first attempt and then falls back to trying the query parser, thus the error message.

Holger

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[Justin Lien]

Hi Holger,

Thanks for your response. I tried removing the WHERE line but unfortunately I'm still receiving the same error as before. 

Justin

[Holger Knublauch]

To clarify, how are you running this query - are you making web service calls or do you go through the Web UI? Maybe the prefix definitions are missing and the parsing fails? Can you make the INSERT DATA variation work from the web UI?

Holger

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[Justin Lien]

Hi Holger,

I actually just figured it out; it was user error. I was accidentally hitting to the query endpoint instead of the update endpoint. Everything works as expected now.

Thank you!

Justin