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Posted to dev@jena.apache.org by "Sarven Capadisli (JIRA)" <ji...@apache.org> on 2013/08/13 16:05:51 UTC

[jira] [Created] (JENA-510) Incorrect content negotiation with */* in Accept header

Sarven Capadisli created JENA-510:
-------------------------------------

             Summary: Incorrect content negotiation with */* in Accept header
                 Key: JENA-510
                 URL: https://issues.apache.org/jira/browse/JENA-510
             Project: Apache Jena
          Issue Type: Bug
          Components: ARQ, Fuseki, TDB
    Affects Versions: Jena 2.10.2
            Reporter: Sarven Capadisli


If I'm not mistaken, when */* content type is used in Accept header, content negotiation is incorrect. For curl -X GET http://sparql.org/books/sparql?query=SELECT+*+WHERE+%7B+%3Fs+%3Fp+%3Fo+%7D+LIMIT+1 compare:

application/sparql-results+json                    => application/sparql-results+json
application/sparql-results+json;q=0.1              => application/sparql-results+json
*/*                                                => application/sparql-results+json
*/*;q=0.1                                          => application/sparql-results+json
application/sparql-results+json;q=0.1, */*;q=0.9   => application/sparql-results+json
application/sparql-results+json;q=0.9, */*;q=0.1   => text/csv
application/sparql-results+json;q=0.9, */*;q=0.9   => text/csv

It appears to be that, if the q-value of these two content-types are compared, the output content-type is incorrect.

Here is an awkward one:

application/sparql-results+xml;q=0.1, */*;q=0.9    => application/sparql-results+json
application/sparql-results+xml;q=0.9, */*;q=0.1    => application/sparql-results+json
application/sparql-results+xml;q=0.9, */*;q=0.9    => application/sparql-results+json

What's going on now?

Just for completeness:

application/sparql-results+xml;q=0.1, application/sparql-results+json;q=0.9    => application/sparql-results+json
application/sparql-results+xml;q=0.9, application/sparql-results+json;q=0.1    => application/sparql-results+xml
application/sparql-results+xml;q=0.9, application/sparql-results+json;q=0.9    => application/sparql-results+json

That looks okay.

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