详细信息:
java.lang.NullPointerException
at org.openide.filesystems.MultiFileSystem.findResource(MultiFileSystem.java:289)
at com.sun.tools.ide.modeling.drawingarea.CreatePalette.createPalette(CreatePalette.java:62)
[catch] at com.sun.tools.ide.modeling.drawingarea.DiagramTopComponent$3.run(DiagramTopComponent.java:885)
at java.awt.event.InvocationEvent.dispatch(InvocationEvent.java:209)
at java.awt.EventQueue.dispatchEvent(EventQueue.java:461)
at java.awt.EventDispatchThread.pumpOneEventForHierarchy(EventDispatchThread.java:242)
at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:163)
at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:157)
at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:149)
at java.awt.EventDispatchThread.run(EventDispatchThread.java:110)
java.lang.NullPointerException
at com.sun.tools.ide.modeling.drawingarea.DiagramTopComponent.getFullNamespace(DiagramTopComponent.java:199)
at com.sun.tools.ide.modeling.drawingarea.DiagramTopComponent.access$000(DiagramTopComponent.java:96)
[catch] at com.sun.tools.ide.modeling.drawingarea.DiagramTopComponent$1.run(DiagramTopComponent.java:179)
at java.awt.event.InvocationEvent.dispatch(InvocationEvent.java:209)
at java.awt.EventQueue.dispatchEvent(EventQueue.java:461)
at java.awt.EventDispatchThread.pumpOneEventForHierarchy(EventDispatchThread.java:242)
at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:163)
at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:157)
at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:149)
at java.awt.EventDispatchThread.run(EventDispatchThread.java:110)