#23 closed defect (wontfix)
Frequent tree-view-related exceptions
| Reported by: | ke | Owned by: | jd |
|---|---|---|---|
| Priority: | minor | Milestone: | |
| Component: | core | Version: | |
| Keywords: | Cc: |
Description
Exceptions of the following forms occur very frequently while perusing the control flow tree:
Exception in thread "AWT-EventQueue?-0" java.lang.NullPointerException?
at javax.swing.BufferStrategyPaintManager?.flushAccumulatedRegion(BufferStrategyPaintManager?.java:403) at javax.swing.BufferStrategyPaintManager?.endPaint(BufferStrategyPaintManager?.java:363) at javax.swing.RepaintManager?.endPaint(RepaintManager?.java:1288) at javax.swing.JComponent._paintImmediately(JComponent.java:5078) at javax.swing.JComponent.paintImmediately(JComponent.java:4882) at javax.swing.RepaintManager?.paintDirtyRegions(RepaintManager?.java:785) at javax.swing.RepaintManager?.paintDirtyRegions(RepaintManager?.java:713) at javax.swing.RepaintManager?.seqPaintDirtyRegions(RepaintManager?.java:693) at javax.swing.SystemEventQueueUtilities?$ComponentWorkRequest?.run(SystemEventQueueUtilities?.java:125) at java.awt.event.InvocationEvent?.dispatch(InvocationEvent?.java:209) at java.awt.EventQueue?.dispatchEvent(EventQueue?.java:597) at java.awt.EventDispatchThread?.pumpOneEventForFilters(EventDispatchThread?.java:269) at java.awt.EventDispatchThread?.pumpEventsForFilter(EventDispatchThread?.java:184) at java.awt.EventDispatchThread?.pumpEventsForHierarchy(EventDispatchThread?.java:174) at java.awt.EventDispatchThread?.pumpEvents(EventDispatchThread?.java:169) at java.awt.EventDispatchThread?.pumpEvents(EventDispatchThread?.java:161) at java.awt.EventDispatchThread?.run(EventDispatchThread?.java:122)
Exception in thread "AWT-EventQueue?-0" java.lang.ArrayIndexOutOfBoundsException?: No such child: 0
at java.awt.Container.getComponent(Container.java:294) at javax.swing.JViewport.getView(JViewport.java:958) at javax.swing.JViewport.getViewSize(JViewport.java:1009) at javax.swing.plaf.basic.BasicScrollPaneUI.syncScrollPaneWithViewport(BasicScrollPaneUI.java:265) at javax.swing.plaf.basic.BasicScrollPaneUI$Handler.viewportStateChanged(BasicScrollPaneUI.java:1064) at javax.swing.plaf.basic.BasicScrollPaneUI$Handler.stateChanged(BasicScrollPaneUI.java:1006) at javax.swing.JViewport.fireStateChanged(JViewport.java:1384) at javax.swing.JViewport$ViewListener?.componentResized(JViewport.java:1302) at java.awt.Component.processComponentEvent(Component.java:6089) at java.awt.Component.processEvent(Component.java:6043) at java.awt.Container.processEvent(Container.java:2041) at java.awt.Component.dispatchEventImpl(Component.java:4630) at java.awt.Container.dispatchEventImpl(Container.java:2099) at java.awt.Component.dispatchEvent(Component.java:4460) at java.awt.EventQueue?.dispatchEvent(EventQueue?.java:599) at java.awt.EventDispatchThread?.pumpOneEventForFilters(EventDispatchThread?.java:269) at java.awt.EventDispatchThread?.pumpEventsForFilter(EventDispatchThread?.java:184) at java.awt.EventDispatchThread?.pumpEventsForHierarchy(EventDispatchThread?.java:174) at java.awt.EventDispatchThread?.pumpEvents(EventDispatchThread?.java:169) at java.awt.EventDispatchThread?.pumpEvents(EventDispatchThread?.java:161) at java.awt.EventDispatchThread?.run(EventDispatchThread?.java:122)
Exception in thread "AWT-EventQueue?-0" java.lang.NullPointerException?
at org.kahina.core.visual.tree.KahinaTreeView?.getNodeX(KahinaTreeView?.java:526) at org.kahina.core.visual.tree.KahinaTreeViewPanel?.scrollToNode(KahinaTreeViewPanel?.java:461) at org.kahina.core.visual.tree.KahinaTreeViewPanel?.updateDisplay(KahinaTreeViewPanel?.java:100) at org.kahina.core.visual.tree.KahinaTreeViewListener?.mouseClicked(KahinaTreeViewListener?.java:55) at java.awt.Component.processMouseEvent(Component.java:6266) at javax.swing.JComponent.processMouseEvent(JComponent.java:3267) at java.awt.Component.processEvent(Component.java:6028) at java.awt.Container.processEvent(Container.java:2041) at java.awt.Component.dispatchEventImpl(Component.java:4630) at java.awt.Container.dispatchEventImpl(Container.java:2099) at java.awt.Component.dispatchEvent(Component.java:4460) at java.awt.LightweightDispatcher?.retargetMouseEvent(Container.java:4574) at java.awt.LightweightDispatcher?.processMouseEvent(Container.java:4247) at java.awt.LightweightDispatcher?.dispatchEvent(Container.java:4168) at java.awt.Container.dispatchEventImpl(Container.java:2085) at java.awt.Window.dispatchEventImpl(Window.java:2478) at java.awt.Component.dispatchEvent(Component.java:4460) at java.awt.EventQueue?.dispatchEvent(EventQueue?.java:599) at java.awt.EventDispatchThread?.pumpOneEventForFilters(EventDispatchThread?.java:269) at java.awt.EventDispatchThread?.pumpEventsForFilter(EventDispatchThread?.java:184) at java.awt.EventDispatchThread?.pumpEventsForHierarchy(EventDispatchThread?.java:174) at java.awt.EventDispatchThread?.pumpEvents(EventDispatchThread?.java:169) at java.awt.EventDispatchThread?.pumpEvents(EventDispatchThread?.java:161) at java.awt.EventDispatchThread?.run(EventDispatchThread?.java:122)
Change History (2)
comment:1 Changed 8 years ago by jd
- Resolution set to wontfix
- Status changed from new to closed
comment:2 Changed 8 years ago by jd
Some further research suggests the remaining problems might be related to this Swing bug.
Exceptions of the last type are avoided since rev 485.
The first two types are a lot harder to fix because they happen far down in Swing's guts, and I don't even have a chance to catch these because I do not call these methods explicitly. Since there will be a major revamp of tree rendering sooner I later chances are that these mysterious error messages will vanish. I will therefore not invest too much time in this for now.