error message


    Feb 21 2008 | 3:55 pm
    Since I installed Leopard, I keep getting this error message:
    Exception in thread "AWT-EventQueue-0" java.lang.NullPointerException at apple .awt.CGraphicsEnvironment.displayChanged(CGraphicsEnvironment.java:65) at apple.awt.CToolkit$4.run(CToolkit.java:1259) at java.awt.event.InvocationEvent.dispatch(InvocationEvent.java:209) at java.awt.EventQueue.dispatchEvent(EventQueue.java:461) at java .awt .EventDispatchThread.pumpOneEventForHierarchy(EventDispatchThread.java: 269) at java .awt .EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java: 190) at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java: 184) at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java: 176) at java.awt.EventDispatchThread.run(EventDispatchThread.java:110)
    Does anyone know what may be causing it?
    Georg
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    • Jun 29 2009 | 8:36 am
      I also get this message every now and then, but it only started 1 or 2 weeks ago. Is it possible that this has to do with the recent mac os x java update? when it has occured once it will reoccur when minimizing, or maximizing any window (even non-max window like firefox)
      os x v10.5.7 2.5Ghz Intel Core 2 Duo java version "1.5.0_19" Java(TM) 2 Runtime Environment, Standard Edition (build 1.5.0_19-b02-304) Java HotSpot(TM) Client VM (build 1.5.0_19-137, mixed mode, sharing)
      here is the full error: Exception in thread "AWT-EventQueue-0" java.lang.NullPointerException at apple.awt.CGraphicsEnvironment.resetDisplays(CGraphicsEnvironment.java:99) at apple.awt.CGraphicsEnvironment.displayChanged(CGraphicsEnvironment.java:49) at apple.awt.CToolkit$4.run(CToolkit.java:1310) at java.awt.event.InvocationEvent.dispatch(InvocationEvent.java:209) at java.awt.EventQueue.dispatchEvent(EventQueue.java:461) at java.awt.EventDispatchThread.pumpOneEventForHierarchy(EventDispatchThread.java:269) at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:190) at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:184) at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:176) at java.awt.EventDispatchThread.run(EventDispatchThread.java:110)