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[protege-discussion] Problem with the protégé server: SEVERE: Invalid Class:

Tania Tudorache tudorache at stanford.edu
Fri Jan 5 13:32:05 PST 2007


Henk-Jan,

Thank you very much for the bug report. I have added it to Bugzilla: 
http://smi-protege.stanford.edu/bugzilla/show_bug.cgi?id=318

This is not a serious bug and we will fix it in the Protege 3.3 betas. 
So, don't worry about the integrity of the ontology, it should be fine.

Tania

Henk-Jan Lebbink wrote:
> Dear List,
>
> I have a problem with the protégé server, well, I get the rather
> intimidating message: "SEVERE: Invalid Class: Instance with type = class
> java.lang.String -- ValueTypeConstraint.ensureClses()."
>
> Luckily, this error can be reproduced easily.
>
> 1] Start the server (with run_protege_server.bat) and open a server
> project (eg the newspaper).
> 2] Create three classes in thing: class1, class2, class3.
> 3] Create one slot: slot1 with a value type: instance, allowed classes:
> class3, and domain: class1.
> 4] Create an instance in class3.
> 5] Create an instance in class1, add the instance from class3 to slot1,
> and add class2 to the types of this instance (in class1).
>
> Select class1, class2 or class3 in the instances tab, and the error
> message should appear.
>
> (I'm using Protege 3.2.1 Build 365, JVM 1.5.0_07-b03, memory=104M, Windows
> XP, encoding=UTF-8, language=nl, country=NL)
>
> Is this error as severe is may seem?
>
> With regards and thanx in advance,
> Henk-Jan.
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