On 19/03/13 18:59, Sarven Capadisli wrote:
Hi,

I'm having an issue that I can't pinpoint its source. The complete log
from the Fuseki server is at [1].

I get the following error when my application sends a query with
DESCRIBE or CONSTRUCT:

org.apache.jena.riot.RiotException: No graph writer for null

The request URL has:

....&output=html

and there is no HTML return type. Needs a better message and better handling (and no stacktrace) but it's a bad request.

Remove the &output=html (and still use Accept: */*) and I get RDF/XML.



The same query works fine when I use the SPARQL Endpoint or TDB directly.

I used tdbloader to load the RDF data into a named graph and used a
vanilla TDB assembler file.

I've checked permissions of the store files too.

As far as I can tell, the query makes it to the service fine.

And because I like to live on the bleeding edge:

Jena:       VERSION: 2.10.1-SNAPSHOT
Jena:       BUILD_DATE: 20130319-1018
ARQ:        VERSION: 2.10.1-SNAPSHOT
ARQ:        BUILD_DATE: 20130319-1018
RIOT:       VERSION: 2.10.1-SNAPSHOT
RIOT:       BUILD_DATE: 20130319-1018
TDB:        VERSION: 0.10.1-SNAPSHOT
TDB:        BUILD_DATE: 20130319-1018

which includes all the new writer stuff :-)


Any direction would be great.. otherwise, I might have to convince
myself to step away from keyboard for a long time.

Thanks,

[1] https://gist.github.com/csarven/5198926

-Sarven
http://csarven.ca/#i


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