Hendy Irawan created JENA-735:
---------------------------------

             Summary: Cannot write using TURTLE_FLAT: 
com.hp.hpl.jena.shared.NoWriterForLangException: TURTLE_FLAT
                 Key: JENA-735
                 URL: https://issues.apache.org/jira/browse/JENA-735
             Project: Apache Jena
          Issue Type: Bug
          Components: RIOT
    Affects Versions: Jena 2.11.2
            Reporter: Hendy Irawan


https://jena.apache.org/documentation/io/rdf-output.html mentioned:

bq. This page describes the RIOT (RDF I/O technology) output capabilities 
introduced in Jena 2.10.1. ... There are two ways to write RDF data using 
Apache Jena RIOT, either via the RDFDataMgr ... or using the model API:

{code}
model.write(output, "format") ;
{code}

The Model API (I'm using {{DefaultModel}}) method throws exception for 
{{TURTLE_FLAT}} (it works for {{TURTLE}}):

{code}
05:14:19.797 [main] DEBUG o.a.j.riot.stream.JenaIOEnvironment - Failed to find 
configuration: 
location-mapping.ttl;location-mapping.rdf;location-mapping.n3;etc/location-mapping.rdf;etc/location-mapping.n3;etc/location-mapping.ttl
05:14:19.851 [main] INFO  c.hendyirawan.wordnet.Wn30CoreToWn31 - Loading 
WordNet 3.0 core file 
'/media/ceefour/passport/Tech/Intelligent_Systems/WordNet3/wn30-core-synsets.tab'...
05:14:19.993 [main] INFO  c.hendyirawan.wordnet.Wn30CoreToWn31 - Converted to 
9920 RDF statements
05:14:19.993 [main] INFO  c.hendyirawan.wordnet.Wn30CoreToWn31 - Saving TURTLE 
to '/home/ceefour/git/wordnet-extras/wn31-core-synsets.ttl'...
Exception in thread "main" com.hp.hpl.jena.shared.NoWriterForLangException: 
TURTLE_FLAT
        at 
com.hp.hpl.jena.rdf.model.impl.RDFWriterFImpl.getWriter(RDFWriterFImpl.java:125)
        at com.hp.hpl.jena.rdf.model.impl.ModelCom.getWriter(ModelCom.java:305)
        at com.hp.hpl.jena.rdf.model.impl.ModelCom.write(ModelCom.java:354)
        at com.hendyirawan.wordnet.Wn30CoreToWn31.main(Wn30CoreToWn31.java:96)
{code}



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