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[p4-feedback] Nimbus Look'n Feel Makes Protege 4 Beta crash on Linux

Abdullah Battal abdullah_battal at yahoo.com
Sat Apr 18 13:14:28 PDT 2009


Hello;
I'm new to protege. I've recently downloaded protege 4 to my pc on which I run Pardus Linux 2008.2.
Everything was going well until I changed the look'n feel of protege to Nimbus (I still don't know why I needed to do that?!). Actually nothing happened right away when I selected Nimbus, but then I closed Protege and, after a while, I tried to re-open it and it didn't work, prompting me a large error message. I tried to uninstall protege using the uninstaller and then reinstall, but that didn't spare me the error message too.

Here is what I do:
I follow the path to where Protege 4 is installed, and type "./Protege"
"Welcome to protege" screen appears. Then I want to open an ontology (a new one, an existing one, from the Tones repository... it doesn't matter) and the error message something like below appears:

ERROR:
Error 1 Logged at Sat Apr 18 23:10:19 EEST 2009
NullPointerException: null
    java.util.Hashtable.put(Hashtable.java:394)
    javax.swing.text.SimpleAttributeSet.addAttribute(SimpleAttributeSet.java:176)
    javax.swing.text.StyleContext.addAttribute(StyleContext.java:293)
    javax.swing.text.StyleContext$NamedStyle.addAttribute(StyleContext.java:1488)
    javax.swing.text.StyleConstants.setForeground(StyleConstants.java:544)
    org.protege.editor.owl.ui.renderer.OWLCellRenderer.prepareStyles(OWLCellRenderer.java:624)
    org.protege.editor.owl.ui.renderer.OWLCellRenderer.<init>(OWLCellRenderer.java:148)
    org.protege.editor.owl.model.OWLWorkspace.createOWLCellRenderer(OWLWorkspace.java:639)
    org.protege.editor.owl.model.OWLWorkspace.createOWLCellRenderer(OWLWorkspace.java:634)
    org.protege.editor.owl.ui.find.EntityFinderField.<init>(EntityFinderField.java:77)
    org.protege.editor.owl.model.OWLWorkspace.createActiveOntologyPanel(OWLWorkspace.java:475)
    org.protege.editor.owl.model.OWLWorkspace.initialise(OWLWorkspace.java:129)
    org.protege.editor.owl.OWLEditorKit.getWorkspace(OWLEditorKit.java:103)
    org.protege.editor.owl.OWLEditorKit.getWorkspace(OWLEditorKit.java:43)
    org.protege.editor.core.editorkit.EditorKitManager.addEditorKit(EditorKitManager.java:47)
    org.protege.editor.core.ProtegeManager.openAndSetupRecentEditorKit(ProtegeManager.java:174)
    org.protege.editor.core.ProtegeWelcomeFrame$ProtegeWelcomePanel$5.actionPerformed(ProtegeWelcomeFrame.java:233)
    org.protege.editor.core.ui.util.LinkLabel.activateLink(LinkLabel.java:97)
    org.protege.editor.core.ui.util.LinkLabel.access$100(LinkLabel.java:30)
    org.protege.editor.core.ui.util.LinkLabel$1.mouseReleased(LinkLabel.java:63)
    java.awt.Component.processMouseEvent(Component.java:6216)
    javax.swing.JComponent.processMouseEvent(JComponent.java:3265)
........GOES ON...

Now, I would like to know if anybody else had seen this problem and if there is any solution. Any help is appreciated.

Regards.
--
Abdullah Battal.




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