W3C home > Mailing lists > Public > public-cwm-talk@w3.org > April to June 2010

Re: problem with a SPARQL QUERY

From: Sergio Fernández <sergio.fernandez@fundacionctic.org>
Date: Mon, 26 Apr 2010 18:57:59 +0200
To: Story Henry <henry.story@bblfish.net>
Cc: public-cwm-talk@w3.org
Message-ID: <1272301079.12438.25.camel@frink.fundacionctic.org>
Looking to the python's tracebak, actually it's not a problem on your
query, but a problem accessing the grammar file at [1]. Try to make a
request with other console tool, such as curl, just in order to be sure
that you can access to that N3 document.

Best,

[1] http://www.w3.org/2000/10/swap/grammar/sparql

On Mon, 2010-04-26 at 17:32 +0100, Story Henry wrote:
> I think I have  a pretty simple SPARQL query here, and it looks fine. But running it on the head of
> swap seems to cause trouble.
> 
> $ cat p1.sparql 
> SELECT ?r
> WHERE {
>    ?s ?r ?pk .
> }
> 
> 
> $ cwm --mode=rse proof1.n3 ont.n3  --think --sparql=p1.sparql 
> #Processed by Id: cwm.py,v 1.197 2007/12/13 15:38:39 syosi Exp 
>         #    using base file:///Users/hjs/Programming/FoafSSL/foafssl-java/papers/spot2009/n3/
>         Traceback (most recent call last):
>   File "/Users/hjs/Programming/w3.org/2000/10/swap/cwm.py", line 750, in <module>
>     doCommand()
>   File "/Users/hjs/Programming/w3.org/2000/10/swap/cwm.py", line 564, in doCommand
>     referer="", contentType="x-application/sparql")
>   File "/Users/hjs/Programming/w3.org/2000/10/swap/llyn.py", line 1616, in load
>     referer=referer, why=why)  
>   File "/Users/hjs/Programming/w3.org/2000/10/swap/webAccess.py", line 195, in load
>     p = sparql_parser.N3Parser(StringIO.StringIO(buffer), sparql_parser.branches, convertor)
>   File "/Users/hjs/Programming/w3.org/2000/10/swap/sparql/sparql_parser.py", line 47, in __init__
>     lexer = sparql_tokens.Lexer()
>   File "/Users/hjs/Programming/w3.org/2000/10/swap/sparql/sparql_tokens.py", line 272, in __init__
>     self.fixTokens()
>   File "/Users/hjs/Programming/w3.org/2000/10/swap/sparql/sparql_tokens.py", line 314, in fixTokens
>     importTokens()
>   File "/Users/hjs/Programming/w3.org/2000/10/swap/sparql/sparql_tokens.py", line 40, in importTokens
>     F = myStore.load('http://www.w3.org/2000/10/swap/grammar/sparql')
>   File "/Users/hjs/Programming/w3.org/2000/10/swap/myStore.py", line 166, in load
>     remember=remember, flags=flags)
>   File "/Users/hjs/Programming/w3.org/2000/10/swap/llyn.py", line 1616, in load
>     referer=referer, why=why)  
>   File "/Users/hjs/Programming/w3.org/2000/10/swap/webAccess.py", line 178, in load
>     raise DocumentAccessError(addr, sys.exc_info() )
> swap.webAccess.DocumentAccessError: Unable to access document <http://www.w3.org/2000/10/swap/grammar/sparql>, because:
>     HTTP Error 406: Not Acceptable
> 
> 
> It seems like it is trying to make a local request, and having problems with the mime type...
> 
> Henry
> 
> Social Web Architect
> http://bblfish.net/
> 
> 

-- 
Sergio Fernández
CTIC - Technological Center
Parque Científico y Tecnológico de Gijón
C/ Ada Byron, 39 Edificio Centros Tecnológicos
33203 Gijón - Asturias - Spain
Tel.: +34 984 29 12 12
Fax: +34 984 39 06 12
E-mail: sergio.fernandez@fundacionctic.org
http://www.fundacionctic.org
Privacy Policy: http://www.fundacionctic.org/privacidad
Received on Monday, 26 April 2010 16:58:36 GMT

This archive was generated by hypermail 2.2.0+W3C-0.50 : Monday, 26 April 2010 16:58:43 GMT