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[protege-owl] Null pointer exception in Protege editor while reading pure RDF/RDFS ontologies - RDF/XML format with ENTITY definitions

John Armstrong johna318 at hotmail.com
Fri Nov 12 05:28:50 PST 2010


Running Protégé-owl 4.1.0.  Happens for both:

 

http://purl.org/captsolo/resume-rdf/0.2/base# (base.rdf)

http://purl.org/captsolo/resume-rdf/0.2/cv# (cv.rdf)

 

Page with links is:

 

http://rdfs.org/resume-rdf/

 

In  both cases exceptions are as below.

 

Is this a bug in the Protégé editor?  Are entities supposed to be supported?

 

-- John

 

 

 

... active ontology changed

Error logged

java.lang.NullPointerException

        at
org.protege.editor.owl.ui.prefix.PrefixMapperTables.<init>(PrefixMapperTable
s.java:31)

        at
org.protege.editor.owl.ui.prefix.PrefixMapperView.initialiseOntologyView(Pre
fixMapperView.java:38)

        at
org.protege.editor.owl.ui.view.AbstractActiveOntologyViewComponent.initialis
eOWLView(AbstractActiveOntologyViewComponent.java:68)

        at
org.protege.editor.owl.ui.view.AbstractOWLViewComponent.initialise(AbstractO
WLViewComponent.java:61)

        at org.protege.editor.core.ui.view.View.createContent(View.java:416)

        at org.protege.editor.core.ui.view.View.createUI(View.java:196)

        at
org.protege.editor.core.ui.view.View$1.hierarchyChanged(View.java:126)

        at java.awt.Component.processHierarchyEvent(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.Component.createHierarchyEvents(Unknown Source)

        at java.awt.Container.createHierarchyEvents(Unknown Source)

       at java.awt.Container.createHierarchyEvents(Unknown Source)

        at java.awt.Container.createHierarchyEvents(Unknown Source)

        at java.awt.Container.createHierarchyEvents(Unknown Source)

        at java.awt.Container.createHierarchyEvents(Unknown Source)

        at java.awt.Container.createHierarchyEvents(Unknown Source)

        at java.awt.Container.createHierarchyEvents(Unknown Source)

        at java.awt.Container.createHierarchyEvents(Unknown Source)

        at java.awt.Container.createHierarchyEvents(Unknown Source)

        at java.awt.Container.createHierarchyEvents(Unknown Source)

        at java.awt.Container.createHierarchyEvents(Unknown Source)

        at java.awt.Container.createHierarchyEvents(Unknown Source)

        at java.awt.Container.createHierarchyEvents(Unknown Source)

        at java.awt.Component.show(Unknown Source)

        at java.awt.Window.show(Unknown Source)

        at java.awt.Component.show(Unknown Source)

        at java.awt.Component.setVisible(Unknown Source)

        at java.awt.Window.setVisible(Unknown Source)

        at
org.protege.editor.core.ui.workspace.WorkspaceManager.addWorkspace(Workspace
Manager.java:49)

        at
org.protege.editor.core.editorkit.EditorKitManager.addEditorKit(EditorKitMan
ager.java:45)

        at
org.protege.editor.core.ProtegeManager.openAndSetupRecentEditorKit(ProtegeMa
nager.java:201)

        at
org.protege.editor.core.ProtegeWelcomeFrame$ProtegeWelcomePanel$6.actionPerf
ormed(ProtegeWelcomeFrame.java:262)

        at
org.protege.editor.core.ui.util.LinkLabel.activateLink(LinkLabel.java:102)

        at
org.protege.editor.core.ui.util.LinkLabel.access$100(LinkLabel.java:30)

        at
org.protege.editor.core.ui.util.LinkLabel$1.mouseReleased(LinkLabel.java:68)

        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.Window.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)

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