Hello.
I have been working with D2R 0.7 server and the BSBM benchmark relational
data set. And I have come across this error while executing sparql queries
in D2R server against the mappings I have made:* Unknown character set index
for field '25959' received from server.:*
The set up of my mysql database is as follows:
I generated sql files from the BSBM
generator<http://www4.wiwiss.fu-berlin.de/bizer/BerlinSPARQLBenchmark/spec/>,
loaded them into a mysql database on mysql server 5.1, running on
a virtual Ubuntu 10.04 32 Bit within my server. All I did to load the
database was execute the sql files that the BSBM generated created. The sql
files from the BSBM generator all seem to set columns and the database
itself to a utf8 character set. The mysql server has its default character
set as latin1, but as far as I understand that character set is not used if
the database itself has set a default character set.
The set up of my D2R server is as follows:
Running D2R Server version 0.7 on a virtual Ubuntu 10.04 32 Bit within the
same server box the mysql database is running in. I created a mapping file
based on the specification. I connect from D2R server to the mysql database,
both located within my internal network, fine without any mapping validation
errors. Then once I start running queries against the mappings I get
the *Unknown
character set index for field '25959' received from server *error. Sometimes
I am able to get simple limited queries to return results from the database,
but the majority of the queries I run give me the Character Set error.
Do you all happen to know of any possible errors I am making or of any sort
of settings that may be causing this error?
Thanks.
--
Zachary Schweinfurth
Ontology Engineer
Revelytix, Inc.
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