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mso-paper-source:0;}div.WordSection1 {page:WordSection1;}-->Hi Andy
Thank you for answering my email.
Actually, I am using Jena transactionally with (begin-commit-end)
I noticed that the error realted to the graphs in the data store because whenI
query the data targeting the default graph, there is no error even though with
emptyresults.ThanksAbdul
________________________________
From: Andy Seaborne <[email protected]>
To: [email protected]
Sent: Wednesday, 23 March 2016, 17:38
Subject: Re: Error 500: No known block type for 0
On 22/03/16 19:37, Abduladem Eljamel wrote:
> Hi allI hope you are all fine.I have a TDB store contains a small data. When
> I query that data directly from JENA, I got results and it works fine. But
> when I use Fuseki server (1.0.2) to query the same data with the same SPARQL
> code, I got this error:
> Error 500: No known block type for 0
>
> The data contains two named graphs and the SPARQL query is:
>
> SELECT * WHERE { GRAPH ?g { ?s ?p ?o}}
>
> I would be very gratefull if any one tell me what is the cause of this error.
>
> Thans in advance
> Abdul
>
A possible cause is that you used non-transactionally in the past and
didn't flush changes to disk one time, or the app crashed.
The files on disk are in a bad state and you need to reload the data.
Fuseki always updates TDB transactionally if the service is acting
directly on TDB. Direct use from Jena can be transactionally
(begine-commit-end) or non-transactionally.
Andy
