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I selected a type and pressed F4. This resulted in the following error. Sorry, that I can not provider a testcase because this happends only in a quite big project that I can not send. !ENTRY org.eclipse.jdt.ui 4 10001 Aug 30, 2004 15:55:10.124 !MESSAGE Internal Error !STACK 0 java.lang.reflect.InvocationTargetException at org.eclipse.jface.operation.ModalContext.run(ModalContext.java:284) at org.eclipse.jface.window.ApplicationWindow$1.run(ApplicationWindow.java:588) at org.eclipse.swt.custom.BusyIndicator.showWhile(BusyIndicator.java:69) at org.eclipse.jface.window.ApplicationWindow.run(ApplicationWindow.java:585) at org.eclipse.ui.internal.WorkbenchWindow.run(WorkbenchWindow.java:1653) at org.eclipse.jdt.internal.ui.typehierarchy.TypeHierarchyLifeCycle.ensureRefreshedTypeHierarchy(TypeHierarchyLifeCycle.java:107) at org.eclipse.jdt.internal.ui.typehierarchy.TypeHierarchyViewPart.updateInput(TypeHierarchyViewPart.java:496) at org.eclipse.jdt.internal.ui.typehierarchy.TypeHierarchyViewPart.setInputElement(TypeHierarchyViewPart.java:464) at org.eclipse.jdt.internal.ui.util.OpenTypeHierarchyUtil.openInViewPart(OpenTypeHierarchyUtil.java:98) at org.eclipse.jdt.internal.ui.util.OpenTypeHierarchyUtil.open(OpenTypeHierarchyUtil.java:75) at org.eclipse.jdt.ui.actions.OpenTypeHierarchyAction.run(OpenTypeHierarchyAction.java:176) at org.eclipse.jdt.ui.actions.OpenTypeHierarchyAction.run(OpenTypeHierarchyAction.java:142) at org.eclipse.jdt.ui.actions.SelectionDispatchAction.dispatchRun(SelectionDispatchAction.java:216) at org.eclipse.jdt.ui.actions.SelectionDispatchAction.run(SelectionDispatchAction.java:188) at org.eclipse.jface.action.Action.runWithEvent(Action.java:881) at org.eclipse.ui.commands.ActionHandler.execute(ActionHandler.java:141) at org.eclipse.ui.internal.commands.Command.execute(Command.java:132) at org.eclipse.ui.internal.keys.WorkbenchKeyboard.executeCommand(WorkbenchKeyboard.java:471) at org.eclipse.ui.internal.keys.WorkbenchKeyboard.press(WorkbenchKeyboard.java:889) at org.eclipse.ui.internal.keys.WorkbenchKeyboard.processKeyEvent(WorkbenchKeyboard.java:930) at org.eclipse.ui.internal.keys.WorkbenchKeyboard.filterKeySequenceBindings(WorkbenchKeyboard.java:548) at org.eclipse.ui.internal.keys.WorkbenchKeyboard.access$2(WorkbenchKeyboard.java:496) at org.eclipse.ui.internal.keys.WorkbenchKeyboard$1.handleEvent(WorkbenchKeyboard.java:261) at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:82) at org.eclipse.swt.widgets.Display.filterEvent(Display.java:740) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:795) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:820) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:805) at org.eclipse.swt.widgets.Control.sendKeyEvent(Control.java:1734) at org.eclipse.swt.widgets.Control.sendKeyEvent(Control.java:1730) at org.eclipse.swt.widgets.Control.WM_KEYDOWN(Control.java:3517) at org.eclipse.swt.widgets.Control.windowProc(Control.java:2997) at org.eclipse.swt.widgets.Display.windowProc(Display.java:3338) at org.eclipse.swt.internal.win32.OS.DispatchMessageW(Native Method) at org.eclipse.swt.internal.win32.OS.DispatchMessage(OS.java:1467) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:2429) at org.eclipse.ui.internal.Workbench.runEventLoop(Workbench.java:1377) at org.eclipse.ui.internal.Workbench.runUI(Workbench.java:1348) at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:254) at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:141) at org.eclipse.ui.internal.ide.IDEApplication.run(IDEApplication.java:96) at org.eclipse.core.internal.runtime.PlatformActivator$1.run(PlatformActivator.java:335) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:273) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:129) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) at java.lang.reflect.Method.invoke(Method.java:324) at org.eclipse.core.launcher.Main.basicRun(Main.java:183) at org.eclipse.core.launcher.Main.run(Main.java:644) at org.eclipse.core.launcher.Main.main(Main.java:628) Caused by: java.lang.NullPointerException at org.eclipse.jdt.internal.core.search.indexing.IndexManager.getIndex(IndexManager.java:183) at org.eclipse.jdt.internal.core.search.PatternSearchJob.getIndexes(PatternSearchJob.java:90) at org.eclipse.jdt.internal.core.search.PatternSearchJob.execute(PatternSearchJob.java:58) at org.eclipse.jdt.internal.core.search.processing.JobManager.performConcurrentJob(JobManager.java:253) at org.eclipse.jdt.internal.core.hierarchy.IndexBasedHierarchyBuilder.searchAllPossibleSubTypes(IndexBasedHierarchyBuilder.java:487) at org.eclipse.jdt.internal.core.hierarchy.IndexBasedHierarchyBuilder.determinePossibleSubTypes(IndexBasedHierarchyBuilder.java:378) at org.eclipse.jdt.internal.core.hierarchy.IndexBasedHierarchyBuilder.build(IndexBasedHierarchyBuilder.java:120) at org.eclipse.jdt.internal.core.hierarchy.TypeHierarchy.compute(TypeHierarchy.java:319) at org.eclipse.jdt.internal.core.hierarchy.TypeHierarchy.refresh(TypeHierarchy.java:1234) at org.eclipse.jdt.internal.core.CreateTypeHierarchyOperation.executeOperation(CreateTypeHierarchyOperation.java:90) at org.eclipse.jdt.internal.core.JavaModelOperation.run(JavaModelOperation.java:700) at org.eclipse.jdt.internal.core.JavaModelOperation.runOperation(JavaModelOperation.java:739) at org.eclipse.jdt.internal.core.SourceType.newTypeHierarchy(SourceType.java:649) at org.eclipse.jdt.internal.ui.typehierarchy.TypeHierarchyLifeCycle.createTypeHierarchy(TypeHierarchyLifeCycle.java:118) at org.eclipse.jdt.internal.ui.typehierarchy.TypeHierarchyLifeCycle.doHierarchyRefresh(TypeHierarchyLifeCycle.java:157) at org.eclipse.jdt.internal.ui.typehierarchy.TypeHierarchyLifeCycle$1.run(TypeHierarchyLifeCycle.java:98) at org.eclipse.jface.operation.ModalContext$ModalContextThread.run(ModalContext.java:101) Root exception: java.lang.NullPointerException at org.eclipse.jdt.internal.core.search.indexing.IndexManager.getIndex(IndexManager.java:183) at org.eclipse.jdt.internal.core.search.PatternSearchJob.getIndexes(PatternSearchJob.java:90) at org.eclipse.jdt.internal.core.search.PatternSearchJob.execute(PatternSearchJob.java:58) at org.eclipse.jdt.internal.core.search.processing.JobManager.performConcurrentJob(JobManager.java:253) at org.eclipse.jdt.internal.core.hierarchy.IndexBasedHierarchyBuilder.searchAllPossibleSubTypes(IndexBasedHierarchyBuilder.java:487) at org.eclipse.jdt.internal.core.hierarchy.IndexBasedHierarchyBuilder.determinePossibleSubTypes(IndexBasedHierarchyBuilder.java:378) at org.eclipse.jdt.internal.core.hierarchy.IndexBasedHierarchyBuilder.build(IndexBasedHierarchyBuilder.java:120) at org.eclipse.jdt.internal.core.hierarchy.TypeHierarchy.compute(TypeHierarchy.java:319) at org.eclipse.jdt.internal.core.hierarchy.TypeHierarchy.refresh(TypeHierarchy.java:1234) at org.eclipse.jdt.internal.core.CreateTypeHierarchyOperation.executeOperation(CreateTypeHierarchyOperation.java:90) at org.eclipse.jdt.internal.core.JavaModelOperation.run(JavaModelOperation.java:700) at org.eclipse.jdt.internal.core.JavaModelOperation.runOperation(JavaModelOperation.java:739) at org.eclipse.jdt.internal.core.SourceType.newTypeHierarchy(SourceType.java:649) at org.eclipse.jdt.internal.ui.typehierarchy.TypeHierarchyLifeCycle.createTypeHierarchy(TypeHierarchyLifeCycle.java:118) at org.eclipse.jdt.internal.ui.typehierarchy.TypeHierarchyLifeCycle.doHierarchyRefresh(TypeHierarchyLifeCycle.java:157) at org.eclipse.jdt.internal.ui.typehierarchy.TypeHierarchyLifeCycle$1.run(TypeHierarchyLifeCycle.java:98) at org.eclipse.jface.operation.ModalContext$ModalContextThread.run(ModalContext.java:101)
Which build are you running? Try 3.0.1 Stream Maintenance Build if you can.
The issues showed up because of inconsistent eclipse index due to bug in a plugin that I have written. You can close this bug report or think about better reporting about inconsistent eclipse index.
Consider it as invalid due to the fact that you introduced an inconsistency in indexes. Report a better error would be in this peculiar case in JDT/UI land as the exception was raised in this component...
