[JENA-510] Incorrect content negotiation with */* in Accept header

• Type: Bug
• Status: Closed
• Priority: Minor
• Resolution: Fixed
• Affects Version/s: Jena 2.10.1, Fuseki 0.2.7
• Fix Version/s: Jena 2.11.0
• Component/s: ARQ, Fuseki, TDB
• Assignee: Andy Seaborne
• Reporter: Sarven Capadisli
• Created: 13/Aug/13 14:04
• Updated: 08/Nov/13 11:02
• Resolved: 14/Aug/13 12:53

Description

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.