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exception -possibly- during repaint
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Posted By:   cem_tekin
Posted On:   Friday, April 1, 2005 07:27 AM

hi, i get the following exception in the application i'm working on. the app does a lot of updates to the screen (so calls repaint() quite often). does anyone have an idea why i keep getting these exceptions, and how to fix it? java.lang.Exception: Stack trace at java.lang.Thread.dumpStack(Unknown Source) at javax.swing.SwingGraphics.createSwingGraphics(Unknown Source) at javax.swing.JComponent._paintImmediately(Unknown Source) at javax.swing.JComponent.paintImmediately(Unknown Source) at javax.swing.RepaintManager.paintDirtyRegions(Unknown Source) at javax.swing.SystemEventQueueUtilities$ComponentWorkRequest.run(Unknow n Source)    More>>

hi,


i get the following exception in the application i'm working on.


the app does a lot of updates to the screen (so calls repaint() quite often). does anyone have an idea why i keep getting these exceptions, and how to fix it?



java.lang.Exception: Stack trace

at java.lang.Thread.dumpStack(Unknown Source)

at javax.swing.SwingGraphics.createSwingGraphics(Unknown Source)

at javax.swing.JComponent._paintImmediately(Unknown Source)

at javax.swing.JComponent.paintImmediately(Unknown Source)

at javax.swing.RepaintManager.paintDirtyRegions(Unknown Source)

at javax.swing.SystemEventQueueUtilities$ComponentWorkRequest.run(Unknow
n Source)

at java.awt.event.InvocationEvent.dispatch(Unknown Source)

at java.awt.EventQueue.dispatchEvent(Unknown Source)

at java.awt.EventDispatchThread.pumpOneEventForHierarchy(Unknown Source)


at java.awt.EventDispatchThread.pumpEventsForHierarchy(Unknown Source)

at java.awt.EventDispatchThread.pumpEvents(Unknown Source)

at java.awt.EventDispatchThread.pumpEvents(Unknown Source)

at java.awt.EventDispatchThread.run(Unknown Source)
java.lang.NullPointerException

at javax.swing.JComponent._paintImmediately(Unknown Source)

at javax.swing.JComponent.paintImmediately(Unknown Source)

at javax.swing.RepaintManager.paintDirtyRegions(Unknown Source)

at javax.swing.SystemEventQueueUtilities$ComponentWorkRequest.run(Unknow
n Source)

at java.awt.event.InvocationEvent.dispatch(Unknown Source)

at java.awt.EventQueue.dispatchEvent(Unknown Source)

at java.awt.EventDispatchThread.pumpOneEventForHierarchy(Unknown Source)


at java.awt.EventDispatchThread.pumpEventsForHierarchy(Unknown Source)

at java.awt.EventDispatchThread.pumpEvents(Unknown Source)

at java.awt.EventDispatchThread.pumpEvents(Unknown Source)

at java.awt.EventDispatchThread.run(Unknown Source)
In paintImmediately null graphics


thanks.


cem.

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