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[protege-discussion] Protégé web browser help

Tiffani Bright tjb2106 at
Mon May 19 18:54:42 PDT 2008


After some trial-and-error, I'd like to share the solution that worked 
for me pertaining to my earlier email message.
1. The Protégé web browser readme file says to install Tomcat version 5 
or higher, but I recommend version 5 (an not 6) to avoid the errors I 
received and for it to work.  I installed Tomcat version 5.0.28.  As for 
Protégé, I started with Protégé 3.0 and after seeing that work, I tried 
Protégé 3.4 beta- and it works too (and saves a few steps).
2. The other thing I noticed was that the web browser application needs 
to have both the .owl and .pprj files in the 
"jakarta-tomcat-5.0.28\webapps\webprotege\kb\guest" folder (if you don't 
change the guest login settings). 
3.  Finally, I found the Protégé web browser readme file to be outdated 
and missing many details. I would say that the Protégé web protégé wiki 
page ( was 
more helpful than both the Protégé web browser readme file and Protégé 
web browser page I used first 
(  I hope 
this helps someone else!

-- TJ

Tiffani Bright wrote:
> Hi,
> I'm trying to use the Protégé Web Bowser to create a web interface for 
> my ontology and I keep receiving an error message. I followed the 
> instructions in the readme as well as the useful tips posted on the 
> Protégé wiki and I've set my class path to include the servlets and 
> webprotege (I've tested Tomcat and that is working). I'm open to any 
> suggestions! Here's a sample of the exception report:
> *description* _The server encountered an internal error () that 
> prevented it from fulfilling this request._
> *exception*
> javax.servlet.ServletException: java.lang.NoClassDefFoundError: org/w3c/dom/range/DocumentRange
> 	org.apache.jasper.servlet.JspServlet.service(
> 	javax.servlet.http.HttpServlet.service(
> *root cause*
> java.lang.NoClassDefFoundError: org/w3c/dom/range/DocumentRange
> Thanks!
> -- TJ
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