Hendrik,

Seems like FU Berlin (where D2RQ development started many many years ago) broke 
the redirect that allowed the d2rq namespace to continue to function despite 
the departure of everyone who was involved with D2RQ.

If you can configure Jena to load the namespace from somewhere else, then you 
should really do so. Use this location, which is going to remain stable for the 
future:

http://d2rq.org/terms/d2rq.ttl

(This is a nice illustration of what I call Brickley's Law: “When wondering 
what info to include in a namespace URI, try to leave *out* as much as 
possible.” [1])

Really sorry about this mess.

Richard


[1] https://www.jiscmail.ac.uk/cgi-bin/webadmin?A2=dc-architecture;d1bb9f31.1003



On 19 Nov 2013, at 17:35, Hendrik Adler <hendrik.ad...@ipv.uni-stuttgart.de> 
wrote:

> Hi,
> 
> since some hours I am not able to start Jena Fuseki with D2RQ any more.
> http://d2rq.org/jena
> 
> It's not starting because of the prefix
> @prefix d2rq: <http://www.wiwiss.fu-berlin.de/suhl/bizer/D2RQ/0.1#> . 
> defined in my config.ttl-assembler file.
> Jena Fuseki prints out the following error:
> "com.hp.hpl.jena.shared.JenaException: java.net.UnknownHostException: 
> www4..fu-berlin.de"
> 
> Maybe it's a DNS problem? I would be very glad, if someone has stored 
> and could post the content of 
> <http://www.wiwiss.fu-berlin.de/suhl/bizer/D2RQ/0.1#> ?
> 
> Many thanks
> Hendrik
> 
> 
> 
> 
> 
> 
> 
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