Thu Jan 24 13:56:36 CET 2002: java.lang.NoClassDefFoundError: org.netbeans.tax.TreeDocumentRoot
java.lang.NoClassDefFoundError: org.netbeans.tax.TreeDocumentRoot
        at org.netbeans.modules.xml.core.sync.DataObjectSyncSupport.class$(DataObjectSyncSupport.java:50)
        at org.netbeans.modules.xml.core.sync.DataObjectSyncSupport.removeRepresentation(DataObjectSyncSupport.java:151)
        at org.netbeans.modules.xml.core.text.TextEditorSupport.notifyClosed(TextEditorSupport.java:251)
        at org.netbeans.modules.xml.tree.editor.TreeEditorSupport.notifyClosed(TreeEditorSupport.java:130)
        at org.openide.text.CloneableEditor.closeLast(CloneableEditor.java:292)
        at org.openide.windows.CloneableTopComponent$Ref.unregister(CloneableTopComponent.java:286)
        at org.openide.windows.CloneableTopComponent.canClose(CloneableTopComponent.java:143)
        at org.openide.text.CloneableEditor.canClose(CloneableEditor.java:157)
        at org.openide.windows.TopComponent.close(TopComponent.java:266)
        at org.openide.windows.TopComponent.close(TopComponent.java:243)
        at org.openide.windows.CloneableOpenSupport$2.run(CloneableOpenSupport.java:120)
        at org.openide.util.Mutex.doEventAccess(Mutex.java:917)
        at org.openide.util.Mutex.writeAccess(Mutex.java:253)
        at org.openide.windows.CloneableOpenSupport.close(CloneableOpenSupport.java:108)
        at org.openide.text.CloneableEditorSupport.close(CloneableEditorSupport.java:1057)
        at org.openide.windows.CloneableOpenSupport$Listener.run(CloneableOpenSupport.java:298)
        at java.awt.event.InvocationEvent.dispatch(InvocationEvent.java:154)
[catch] at java.awt.EventQueue.dispatchEvent(EventQueue.java:337)
        at java.awt.EventDispatchThread.pumpOneEventForHierarchy(EventDispatchThread.java:131)
        at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:98)
        at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:93)
        at java.awt.EventDispatchThread.run(EventDispatchThread.java:85)