error loading database: "Content is not allowed in prolog."

[Grant Pax]

Protege 5.0.0 Build beta-15 (though I think I get the same from Protege 4.3 files) File saved as turtle. Reproducible. 

From terminal:

My-MacBook-Air:bin twostewards_fb$ ./stardog-admin db create -n test ~/test.owl 

Bulk loading data to new database.

Parsing triples: 100% complete in 00:00:00 (0 triples - 0.0K triples/sec)

Parsing triples finished in 00:00:00.048

Creating index: 100% complete in 00:00:00 (0.0K triples/sec)

Creating index finished in 00:00:00.006

Loading complete.

Inserted 0 triples in 00:00:00.569 at 0.0 triples/sec

Bulk load complete.  Loaded 0 triples from 1 file(s) in 00:00:00 @ 0K triples/sec.

Errors were encountered during loading:

File: /Users/twostewards_fb/Downloads/test.owl Message: Content is not allowed in prolog. [line 1, column 1]

Successfully created database 'test'.

My-MacBook-Air:bin twostewards_fb$ cat ~/test.owl 

@prefix : <http://www.semanticweb.org/twostewards_fb/ontologies/2014/5/untitled-ontology-77#> .

@prefix owl: <http://www.w3.org/2002/07/owl#> .

@prefix rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#> .

@prefix xml: <http://www.w3.org/XML/1998/namespace> .

@prefix xsd: <http://www.w3.org/2001/XMLSchema#> .

@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> .

@base <http://www.semanticweb.org/twostewards_fb/ontologies/2014/5/untitled-ontology-77> .

<http://www.semanticweb.org/twostewards_fb/ontologies/2014/5/untitled-ontology-77> rdf:type owl:Ontology .

#################################################################

#

#    Classes

#

#################################################################

###  #test

<#test> rdf:type owl:Class .

###  Generated by the OWL API (version 3.5.0) http://owlapi.sourceforge.net

[Zachary Whitley]

You might want to try changing the file extension to test.ttl. It's just a guess but it looks like it's assuming that it's XML.

Sent from my iPad

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[Evren Sirin]

The db create command guesses the file format based on the file
extension and .owl extension is assumed to be RDF/XML which causes the
error message. You can either rename the file extension to .ttl or add
the file contents later with data add command where you can provide
the --format TURTLE argument to specify the file format.

Best,
Evren