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[protege-discussion] Why my applet can't run in explore

刘康 liukzg at
Fri Oct 15 17:44:40 PDT 2010

Hi, thank your help.
I have put the jena.jar and pellet.jar on the dictionary, and add them to
the "archive=...". It seem the pakage is ok now, but the errors exist remain
as follow:

java.lang.RuntimeException: java.lang.ExceptionInInitializerError

       at sun.plugin2.applet.Plugin2Manager.createApplet(Unknown Source)


       at Source)

Caused by: java.lang.ExceptionInInitializerError





       at JenaOWL.JenaOWLTool.<init>(

       at JenaOWL.FuncJenaOWL.<init>(
According to the errors, the jena's createDefaultModel, or the ModelFactory
is not work. I don't know why? It works ok in eclipse. I use the
pellet-1.4-RC1, and the package of pellet.jar is the one of in it's
pellet-1.4-RC1/lib, the jena.jar is the one of in the
pellet-1.4-RC1/lib/jena. Is there any mistake?

在 2010年10月15日 下午11:08,Timothy Redmond <tredmond at>写道:

>  On 10/15/2010 07:47 AM, 刘康 wrote:
> I have write a OWL applet with jena and pellet, it works in the eclipse,
> but can't do in explore.The error's imformations as bellow:
>  You have some type of configuration problem in your applet.  The jena jar
> is not on the classpath.  Debugging applets can be difficult actually but in
> this case you are doing well because you see the exception.
> -Timothy
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