[jira] [Created] (JENA-2133) Jena sends multiple media types in accept header when reading knowledge via a url

["Rem Collier (Jira)" <ji...@apache.org>]

Rem Collier created JENA-2133:
---------------------------------

             Summary: Jena sends multiple media types in accept header when reading knowledge via a url
                 Key: JENA-2133
                 URL: https://issues.apache.org/jira/browse/JENA-2133
             Project: Apache Jena
          Issue Type: Bug
          Components: RIOT
    Affects Versions: Jena 4.1.0
         Environment: Windows / WSL2 / Maven / Java 14.0.2
            Reporter: Rem Collier
             Fix For: Jena 4.2.0


When I create a basic model and use the read(...) method to read a remote file, Jena includes multiple media types in the request header.

 
{code:java}
Accept: text/turtle,application/n-triples;q=0.9,application/rdf+xml;q=0.7,application/trig,application/n-quads;q=0.9,application/ld+json;q=0.8,*/*;q=0.5{code}
The ordering and priorities of the media types does not change, even when different formats are chosen.

i.e. the following code gives the above list of media types:

 

 
{code:java}
Model model = ModelFactory.createDefaultModel();
model.read("http://localhost:8080/sim", "TURTLE");   {code}
However, the code below also gives the same list of media types:
 
{code:java}
Model model = ModelFactory.createDefaultModel(); model.read("http://localhost:8080/sim", "RDF/XML");{code}
 
This results in the knowledge being downloaded in the incorrect format...



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