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[protege-discussion] Problem with Datamaster and Oracle

Csongor Nyulas csongor.nyulas at
Wed Aug 8 10:37:38 PDT 2012

Hi Marcelo,
I am not an very familiar with Oracle, but I wonder if you used the 
right JDBC connection string (called "JDBC URL" in DataMaster) and the 
right driver for the version of the database that you are trying to 
connect to. I found these pages with a quick Google search, which seem 
but you may very well know better resources that would help you choose 
the right configuration.

Also, I suppose you used "oracle.jdbc.driver.OracleDriver" (or 
"oracle.jdbc.OracleDriver", whichever is specified in the driver's 
documentation) as the driver class name. (For more see: )

If you tried all this and you still have problems, please let us know:
1) What have you in the "JDBC Driver" field?
2) What have you specified as the JDBC connection string (or if this 
information is of sensitive nature, at least what pattern you used)?
3) What message you have received?
4) What exception(s) or messages you see in the Protege console?

Final note: Please make sure that you don't have any leading or trailing 
spaces in any of the connection parameters. I am not sure whether or not 
DataMaster removes such spaces automatically, and that could cause problems.


On 8/7/2012 3:11 PM, m_arcel_o wrote:
> Hi everybody
> My name is marcelo and as part of my final career project I have to
> implement an ontology, mapping the data from my relational database in
> oracle but I can't find the jdbc in the datamaster's tab. I' ve already
> donwloaded de oracle jdbc (ojdbc5.jar) and I pasted it into the datamaster
> plug-in directory as well as in the protègè root directory,  but nothing...
> what else I need to do???
> if I conect with mysql no problem, but wtih oracle nothing works.
> if you could help, i'll thank you alot
> I am working with
> protègè 3.4.8
> oracle 11g r2
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