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[protege-discussion] WebProtege load failure

Tania Tudorache tudorache at stanford.edu
Thu Jan 8 17:55:14 PST 2009


Lexing Xie wrote:
> Syncing the metaproject and restarting both the protege server and 
> servelet container solved of the problem
> Thank you very much !
>
> Another question (somewhat far-fetched ):
> has anyone worked on ontologies involving image/video instances, and in 
> particular displaying non-textual data within Protege?
> I'd imagine it being doable by developing a media display plugin, just 
> wanted to check if anyone has already tred down the path.
>
>   

Here is some documentation about how to use images in protege ontology:

http://protegewiki.stanford.edu/index.php/DisplayImages

Tania

> Thanks,
> Lexing
>
>
> Jennifer Vendetti wrote:
>   
>> Lexing Xie wrote:
>>   
>>     
>>> Error symptom:
>>> WebProtege ontology list displays fine at an url looking like 
>>> http://server.domain.com:8080/webprotege/WebProtege.html,
>>>       .. logging in seemed to work but there was no username displayed 
>>> on the overview page.
>>> *but *individual ontology files refused to open, with an error box 
>>> saying "load project Collaborative Pizza failed. message: the call 
>>> failed on the server, see server log for details"
>>> enclosed  below are (1) server log message about "Exception while 
>>> dispatching incoming RPC call"; (2) screenshot of the error box.
>>> I tried changing the project location to absolute paths in either or 
>>> both copies of metaproject but did not help.
>>>     
>>>       
>> Please note that the metaproject must be identical in both places for 
>> the WebProtege application to work properly.  If you make any changes to 
>> the metaproject, you must restart the servlet container.
>>
>>   
>>     
>>> System setup:
>>> - downloaded and installed copies of stand-alone full Protege (build 
>>> 513) + webprotege.war (built Nov 26 16:00, w. Tomcat 5.5)
>>> - edited the metaproject, protege.properties etc according to the 
>>> Protege Client-Server and the WebProtegeAdmin guides.
>>>
>>> Q1: could you see why there is an error?
>>> Q2: which copy of metaproject is read (in examples/server or  in 
>>> Tomcat5.5/webapps/webprotege/projects/) ... should they be always kept 
>>> identical? where is relative path example/* resolved ...
>>>     
>>>       
>> Both copies of the metaproject are read and must be kept identical.  The 
>> location of your projects must be either a) absolute in both copies - or 
>> - b) if they are relative paths, the paths should be relative to where 
>> the Protege server is executing from (not WebProtege).
>>
>> Please verify that both copies of the metaproject are identical and that 
>> both copies list the location of your projects as absolute, or relative 
>> to the Protege server installation.  Once you have done this, please 
>> restart your servlet container.
>>
>> This information is listed in the admin's guide in the following two 
>> sections:
>>
>> http://protegewiki.stanford.edu/index.php/WebProtegeAdminGuide#Configure_the_Protege_server.27s_metaproject
>> http://protegewiki.stanford.edu/index.php/WebProtegeAdminGuide#Copy_the_metaproject_to_your_Servlet_container
>>
>> ... which you may find helpful for reference.
>>
>> Jennifer
>>
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