Project: Eclipse_Platform_UI
Bug 6331 NPE using Advanced Tracing in PDE preference page.
Reported: 2001-11-26 17:04:49 | Status: resolved fixed

Open Advanced Tracing in PDE preference page. Select one of the true/false values in the page and try to change its value by opening the cell editor and typing "true" of "false". Log: Mon Nov 26 17:03:03 EST 2001 4 org.eclipse.core.runtime 0 Unhandled exception caught in event loop. java.lang.NullPointerException at org.eclipse.ui.views.properties.PropertySheetEntry.refreshChildEntries (PropertySheetEntry.java:425) at org.eclipse.ui.views.properties.PropertySheetEntry.refreshFromRoot (PropertySheetEntry.java:467) at org.eclipse.ui.views.properties.PropertySheetEntry.refreshFromRoot (PropertySheetEntry.java:469) at org.eclipse.ui.views.properties.PropertySheetEntry.setValue (PropertySheetEntry.java:575) at org.eclipse.ui.views.properties.PropertySheetEntry.applyEditorValue (PropertySheetEntry.java:111) at org.eclipse.ui.views.properties.PropertySheetViewer.applyEditorValue (PropertySheetViewer.java:194) at org.eclipse.ui.views.properties.PropertySheetViewer.handleSelect (PropertySheetViewer.java:527) at org.eclipse.ui.views.properties.PropertySheetViewer.access$6 (PropertySheetViewer.java:524) at org.eclipse.ui.views.properties.PropertySheetViewer$3.widgetSelected (PropertySheetViewer.java:601) at org.eclipse.swt.widgets.TypedListener.handleEvent(TypedListener.java (Compiled Code)) at org.eclipse.swt.widgets.Widget.notifyListeners(Widget.java(Compiled Code)) at org.eclipse.swt.widgets.Widget.notifyListeners(Widget.java(Compiled Code)) at org.eclipse.swt.custom.TableTree.onSelection(TableTree.java:416) at org.eclipse.swt.custom.TableTree$2.handleEvent(TableTree.java:75) at org.eclipse.swt.widgets.Widget.notifyListeners(Widget.java(Compiled Code)) at org.eclipse.swt.widgets.Widget.notifyListeners(Widget.java(Compiled Code)) at org.eclipse.swt.widgets.Display.runDeferredEvents(Display.java (Compiled Code)) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java (Compiled Code)) at org.eclipse.jface.window.Window.runEventLoop(Window.java(Compiled Code)) at org.eclipse.jface.window.Window.open(Window.java:523) at org.eclipse.ui.internal.OpenPreferencesAction.run (OpenPreferencesAction.java:47) at org.eclipse.jface.action.Action.runWithEvent(Action.java:452) at org.eclipse.jface.action.ActionContributionItem.handleWidgetSelection (ActionContributionItem.java:407) at org.eclipse.jface.action.ActionContributionItem.handleWidgetEvent (ActionContributionItem.java(Compiled Code)) at org.eclipse.jface.action.ActionContributionItem$ActionListener.handleEvent (ActionContributionItem.java(Compiled Code)) at org.eclipse.jface.action.ActionContributionItem$ActionListener.handleEvent (ActionContributionItem.java(Compiled Code)) at org.eclipse.swt.widgets.Widget.notifyListeners(Widget.java(Compiled Code)) at org.eclipse.swt.widgets.Widget.notifyListeners(Widget.java(Compiled Code)) at org.eclipse.swt.widgets.Display.runDeferredEvents(Display.java (Compiled Code)) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java (Compiled Code)) at org.eclipse.ui.internal.Workbench.runEventLoop(Workbench.java (Compiled Code)) at org.eclipse.ui.internal.Workbench.run(Workbench.java:758) at org.eclipse.core.internal.boot.InternalBootLoader.run (InternalBootLoader.java:820) at org.eclipse.core.boot.BootLoader.run(BootLoader.java:285) at java.lang.reflect.Method.invoke(Native Method) at org.eclipse.core.launcher.Main.basicRun(Main.java:151) at org.eclipse.core.launcher.Main.run(Main.java:502) at org.eclipse.core.launcher.Main.main(Main.java:362)

Files changed in fix:
bundles/org.eclipse.ui/Eclipse UI Standard Components/org/eclipse/ui/views/properties/PropertySheetEntry.java