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From "Paolo Castagna (Updated) (JIRA)" <>
Subject [jira] [Updated] (JENA-158) QueryCancelledException not being caught in Fuseki
Date Fri, 11 Nov 2011 11:46:52 GMT


Paolo Castagna updated JENA-158:

    Fix Version/s:     (was: Fuseki 0.2.1)
> QueryCancelledException not being caught in Fuseki
> --------------------------------------------------
>                 Key: JENA-158
>                 URL:
>             Project: Jena
>          Issue Type: Improvement
>          Components: Fuseki
>            Reporter: Alexander Dutton
>            Priority: Minor
>         Attachments: jena-158.diff
>   Original Estimate: 1h
>  Remaining Estimate: 1h
> [This is a reformulation of
and following messages]
> When a query times out the client currently receives the following, which doesn't explain
> > Error 500: Server Error
> This is the result of a QueryCancelledException being caught at line 107 of SPARQL_ServletBase,
which has the comment "This should not happen"
> It'd be good if this were explicitly caught and a more user-friendly error message provided.
> I don't know what HTTP status code should be provided; the SPARQL spec says 500, but
that upsets me (and Hugh Glaser)¹. Andy points out that it should be a 5xx status code².
I've started a thread on ietf-http-wg asking for something along the lines of a "Request Too
Onerous" status code.³
> ¹
> ²
> ³

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