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[protege-discussion] Running the Protege Applet - NoClassDefFoundError: Could not initialize class edu.stanford.smi.protege.Application

Olivier Mocquais RD-BIZZ olivier.mocquais at orange-ftgroup.com
Tue Mar 27 09:19:08 PDT 2007


Hi,

I want to use the Protégé applet in a browser and open a Protege file 
(with the pprj extension) : the KB is stored  in a database.

    <applet
     code="edu.stanford.smi.protege.Applet.class"
     codebase="http://localhost:8080/MdaManager/Protege_3.2.1/"
     archive="looks.jar, unicode_panel.jar, protege.jar, driver.jar"
     width="130"
     height="60">
        <param name="project_name" 
value="upload/monProjet.emx.nt_kb.pprj" />
        Your browser doesn't support the <code>applet</code> tag!
    </applet>

I have an Exception when I click on the Protege picture which opens the 
Protege frame.

Exception in thread "AWT-EventQueue-8" java.lang.NoClassDefFoundError: 
Could not initialize class edu.stanford.smi.protege.Application
    at edu.stanford.smi.protege.Applet$1.actionPerformed(Unknown Source)
    at javax.swing.AbstractButton.fireActionPerformed(Unknown Source)
    at javax.swing.AbstractButton$Handler.actionPerformed(Unknown Source)
    at javax.swing.DefaultButtonModel.fireActionPerformed(Unknown Source)
    at javax.swing.DefaultButtonModel.setPressed(Unknown Source)
    at javax.swing.plaf.basic.BasicButtonListener.mouseReleased(Unknown 
Source)
    at java.awt.Component.processMouseEvent(Unknown Source)
    at javax.swing.JComponent.processMouseEvent(Unknown Source)
    at java.awt.Component.processEvent(Unknown Source)
    at java.awt.Container.processEvent(Unknown Source)
    at java.awt.Component.dispatchEventImpl(Unknown Source)
    at java.awt.Container.dispatchEventImpl(Unknown Source)
    at java.awt.Component.dispatchEvent(Unknown Source)
    at java.awt.LightweightDispatcher.retargetMouseEvent(Unknown Source)
    at java.awt.LightweightDispatcher.processMouseEvent(Unknown Source)
    at java.awt.LightweightDispatcher.dispatchEvent(Unknown Source)
    at java.awt.Container.dispatchEventImpl(Unknown Source)
    at java.awt.Component.dispatchEvent(Unknown Source)
    at java.awt.EventQueue.dispatchEvent(Unknown Source)
    at java.awt.EventDispatchThread.pumpOneEventForFilters(Unknown Source)
    at java.awt.EventDispatchThread.pumpEventsForFilter(Unknown Source)
    at java.awt.EventDispatchThread.pumpEventsForHierarchy(Unknown Source)
    at java.awt.EventDispatchThread.pumpEvents(Unknown Source)
    at java.awt.EventDispatchThread.pumpEvents(Unknown Source)
    at java.awt.EventDispatchThread.run(Unknown Source)

All the jars needed (looks.jar, unicode_panel.jar, protege.jar, 
driver.jar) are available in the folder 
http://localhost:8080/MdaManager/Protege_3.2.1/ and the pprj file is 
store in the upload folder 
(http://localhost:8080/MdaManager/Protege_3.2.1/upload/monProjet.emx.nt_kb.pprj)

Any ideas to solve my problem (maybe a jar is missing in the archive 
atribute) ?

Regards.

Olivier



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