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ERROR WHEN SAVE DOCUMENT AS

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Lee
2008-06-26
2013-04-29
  • Lee
    Lee
    2008-06-26

    Hi all,

    I got below error message after I pressed the "Save Document As".

    Exception in thread "AWT-EventQueue-0" java.lang.NullPointerException
            at com.pt.io.FileList$Dfs.<init>(Unknown Source)
            at com.pt.io.FileList.depthFirstIterator(Unknown Source)
            at com.pt.io.FileList.iterator(Unknown Source)
            at com.pt.io.FileList.copy(Unknown Source)
            at multivalent.std.ui.SaveAs.semanticEventAfter(SaveAs.java:91)
            at multivalent.Layer.semanticEventAfter(Layer.java:637)
            at multivalent.Layer.semanticEventAfter(Layer.java:637)
            at multivalent.Layer.semanticEventAfter(Layer.java:637)
            at multivalent.Browser.event(Browser.java:941)
            at multivalent.Browser.processEvent(Browser.java:841)
            at java.awt.Component.dispatchEventImpl(Component.java:4413)
            at java.awt.Container.dispatchEventImpl(Container.java:2116)
            at java.awt.Component.dispatchEvent(Component.java:4243)
            at java.awt.EventQueue.dispatchEvent(EventQueue.java:599)
            at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:273)
            at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:183)
            at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:173)
            at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:168)
            at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:160)
            at java.awt.EventDispatchThread.run(EventDispatchThread.java:121)
    saving history

    After than, system will be hangs. What is the problems ? Please help.

    Regards,
    Lee