R
RFleming
Hello, I am using Netbeans 5.5.1 on Windows XP SP2, JAVA 1.6.0_01,
jdk1.6.0_01, VM1.6.0_01-b06
I keep getting a flicker occasionally when I update a screen. (This
happens both in and out of the development) Recently I have left the
application running in netbeans and keep getting a stack trace that
occurs occasionally. The problem is that the stack trace refers to
classes written by SUN, so I have been unable as of now to track the
root cause. Below I have pasted the error and stack trace. I was
just wondering if anyone recognizes this, or can offer a suggestion to
tell the IDE to provide me with more data to help me solve the
problem.
Thanks in advance!
Exception in thread "AWT-EventQueue-0" java.lang.NullPointerException
at
javax.swing.plaf.basic.BasicProgressBarUI.paint(BasicProgressBarUI.java:
391)
at javax.swing.plaf.ComponentUI.update(ComponentUI.java:143)
at javax.swing.JComponent.paintComponent(JComponent.java:758)
at javax.swing.JComponent.paint(JComponent.java:1022)
at javax.swing.JComponent.paintToOffscreen(JComponent.java:
5104)
at
javax.swing.BufferStrategyPaintManager.paint(BufferStrategyPaintManager.java:
285)
at javax.swing.RepaintManager.paint(RepaintManager.java:1128)
at javax.swing.JComponent._paintImmediately(JComponent.java:
5052)
at javax.swing.JComponent.paintImmediately(JComponent.java:
4862)
at
javax.swing.RepaintManager.paintDirtyRegions(RepaintManager.java:723)
at
javax.swing.RepaintManager.paintDirtyRegions(RepaintManager.java:679)
at
javax.swing.RepaintManager.seqPaintDirtyRegions(RepaintManager.java:
659)
at javax.swing.SystemEventQueueUtilities
$ComponentWorkRequest.run(SystemEventQueueUtilities.java:128)
at
java.awt.event.InvocationEvent.dispatch(InvocationEvent.java:209)
at java.awt.EventQueue.dispatchEvent(EventQueue.java:597)
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)
jdk1.6.0_01, VM1.6.0_01-b06
I keep getting a flicker occasionally when I update a screen. (This
happens both in and out of the development) Recently I have left the
application running in netbeans and keep getting a stack trace that
occurs occasionally. The problem is that the stack trace refers to
classes written by SUN, so I have been unable as of now to track the
root cause. Below I have pasted the error and stack trace. I was
just wondering if anyone recognizes this, or can offer a suggestion to
tell the IDE to provide me with more data to help me solve the
problem.
Thanks in advance!
Exception in thread "AWT-EventQueue-0" java.lang.NullPointerException
at
javax.swing.plaf.basic.BasicProgressBarUI.paint(BasicProgressBarUI.java:
391)
at javax.swing.plaf.ComponentUI.update(ComponentUI.java:143)
at javax.swing.JComponent.paintComponent(JComponent.java:758)
at javax.swing.JComponent.paint(JComponent.java:1022)
at javax.swing.JComponent.paintToOffscreen(JComponent.java:
5104)
at
javax.swing.BufferStrategyPaintManager.paint(BufferStrategyPaintManager.java:
285)
at javax.swing.RepaintManager.paint(RepaintManager.java:1128)
at javax.swing.JComponent._paintImmediately(JComponent.java:
5052)
at javax.swing.JComponent.paintImmediately(JComponent.java:
4862)
at
javax.swing.RepaintManager.paintDirtyRegions(RepaintManager.java:723)
at
javax.swing.RepaintManager.paintDirtyRegions(RepaintManager.java:679)
at
javax.swing.RepaintManager.seqPaintDirtyRegions(RepaintManager.java:
659)
at javax.swing.SystemEventQueueUtilities
$ComponentWorkRequest.run(SystemEventQueueUtilities.java:128)
at
java.awt.event.InvocationEvent.dispatch(InvocationEvent.java:209)
at java.awt.EventQueue.dispatchEvent(EventQueue.java:597)
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)