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[protege-discussion] Protege fails to open project on linux

David Forslund forslund at mail.com
Thu Aug 27 15:11:47 PDT 2009


The problem was actually simple.  The file names were saved in lower 
case, but the pprj file expected them in upper case.   It doesn't matter 
on Windows, but fails on Linux.  Correcting the filenames to be 
consistent with the pprj file made the problem go away.

Thanks for the help!

Dave
Tania Tudorache wrote:
> Hi David,
>
> Thanks a lot for sending the file. It is an OWL file that is 
> accompanied by the wrong pprj file.
>
> The pprj file indicates that you are using the RDF Backend (RDF 
> files), but you actually have an OWL file and it should be opened with 
> the OWL backend.
>
> You can open directly the OWL file and save. This will generate a new 
> pprj file that you can open next time. If you don't make any form 
> configuration, then you can work directly with the OWL file rather 
> than the pprj file in future.
>
> If you have Protege-OWL related questions, please post them in future 
> on the protege-owl mailing list:
>
> http://protege.stanford.edu/community/lists.html
>
> Thanks,
> Tania
>
>
> Tania Tudorache wrote:
>> Sorry, you're talking about a frames project :)
>>
>> I suspect this is a problem with the paths in the pprj file. Can you 
>> send the project files to take a look at them?
>>
>> You can also recreate the pprj file from the pins and pons, if you 
>> create a new file and enable the option "Create from existing 
>> sources" in the New project wizard.
>>
>> It is quite strange that you do not get any messages in the console. 
>> Can you please post the messages you see in the Protege console?
>>
>> Tania
>>
>>
>> Tania Tudorache wrote:
>>> Instead of opening the pprj file, open the owl file directly.
>>>
>>> If you still have problems, please send the owl and pprj files.
>>>
>>> Tania
>>>
>>> David Forslund wrote:
>>>> I've created a project in Protege 3.4.1 on Windows/XP & Vista and 
>>>> saved the project.  When I open the project on linux (RH and 
>>>> OpenSuse) with Protege 3.4.1, I get a window titled "Load Project 
>>>> Errors" with the errors listed.  java.lang.NullPointerException and 
>>>> Fatal error. execution stopped.  It says to see console and log for 
>>>> more details.  But the logs and console show now errors.  I've 
>>>> switched JVMs on linux with no changes.  Both are using Java 
>>>> 1.6.    I'm not sure how to identify and correct the problem.  The 
>>>> project file looks fine.
>>>>
>>>> thanks,
>>>>
>>>> Dave Forslund
>>>>
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