java.lang.NullPointerException

Coderanch | Joe Jiggs | 1 decade ago
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    SWT: app close when trying to change text.setText()

    Coderanch | 1 decade ago | Joe Jiggs
    java.lang.NullPointerException

    Root Cause Analysis

    1. java.lang.NullPointerException

      No message provided

      at MainWin$5.widgetSelected()
    2. Unknown
      MainWin$5.widgetSelected
      1. MainWin$5.widgetSelected(MainWin.java:301)
      1 frame
    3. RWT
      Display.readAndDispatch
      1. org.eclipse.swt.widgets.TypedListener.handleEvent(TypedListener.java:90)
      2. org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:66)
      3. org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:843)
      4. org.eclipse.swt.widgets.Display.runDeferredEvents(Display.java:3125)
      5. org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:2758)
      5 frames
    4. Unknown
      MainWin.main
      1. MainWin.main(MainWin.java:103)
      1 frame