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[protege-owl] Import problems in 4.1 beta

Timothy Redmond tredmond at
Tue Aug 24 08:00:39 PDT 2010

On 08/23/2010 07:00 AM, Alexander Nakhimovsky wrote:
> I select "Import an ontology contained in a specific file", browse to
> D:\neh\onto\imports\wgs84_pos.rdf, and click Continue. Nothing gets
> copied in the next box, Confirm Imports. If I click Finish, I get a
> null pointer exception.

Thanks for the information.  This is a bug in Protege 4.1 that I fixed 
on trunk yesterday.  I will look into seeing if I can release an update 
for this.

The reason that it failed is that the ontology is anonymous.  Most OWL 
ontologies have names and it is clear that it was intended that this 
ontology would be named

However the OWL information has been stripped out so the the name of the 
ontology is lost.  Unfortunately the Protege 4.1 code was a bit sloppy 
with anonymous ontologies.


> Same problem when importing from the Web. Did import FOAF successfully.
> Working on Win 7 machine.
> Error 7 Logged at Mon Aug 23 09:48:57 EDT 2010
> NullPointerException: null
>      org.protege.editor.owl.ui.ontology.imports.OntologyImportsList.handleAdd(
>      org.protege.editor.core.ui.list.MList$2.actionPerformed(
>      org.protege.editor.core.ui.list.MList.handleMouseClick(
>      org.protege.editor.core.ui.list.MList.access$100(
>      org.protege.editor.core.ui.list.MList$5.mouseReleased(
>      java.awt.AWTEventMulticaster.mouseReleased(Unknown Source)
>      java.awt.Component.processMouseEvent(Unknown Source)
>      javax.swing.JComponent.processMouseEvent(Unknown Source)
>      java.awt.Component.processEvent(Unknown Source)
>      java.awt.Container.processEvent(Unknown Source)
>      java.awt.Component.dispatchEventImpl(Unknown Source)
>      java.awt.Container.dispatchEventImpl(Unknown Source)
>      java.awt.Component.dispatchEvent(Unknown Source)
>      java.awt.LightweightDispatcher.retargetMouseEvent(Unknown Source)
>      java.awt.LightweightDispatcher.processMouseEvent(Unknown Source)
>      java.awt.LightweightDispatcher.dispatchEvent(Unknown Source)
>      java.awt.Container.dispatchEventImpl(Unknown Source)
>      java.awt.Window.dispatchEventImpl(Unknown Source)
>      java.awt.Component.dispatchEvent(Unknown Source)
>      java.awt.EventQueue.dispatchEvent(Unknown Source)
>      java.awt.EventDispatchThread.pumpOneEventForFilters(Unknown Source)
>      java.awt.EventDispatchThread.pumpEventsForFilter(Unknown Source)
>      java.awt.EventDispatchThread.pumpEventsForHierarchy(Unknown Source)
>      java.awt.EventDispatchThread.pumpEvents(Unknown Source)
>      java.awt.EventDispatchThread.pumpEvents(Unknown Source)
> Source)

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