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Open a class after a failed test. Got the following NPE. Opening the same class a second time succeeded. Could not reproduce the problem. !ENTRY org.eclipse.jface 4 2 May 18, 2003 00:51:15.280 !MESSAGE Problems occurred when invoking code from plug-in: "org.eclipse.jface". !STACK 0 java.lang.NullPointerException at org.eclipse.jdt.internal.compiler.parser.SourceTypeConverter.convert (SourceTypeConverter.java:117) at org.eclipse.jdt.internal.compiler.parser.SourceTypeConverter.buildCompilationUni t(SourceTypeConverter.java:77) at org.eclipse.jdt.internal.core.hierarchy.HierarchyResolver.accept (HierarchyResolver.java:168) at org.eclipse.jdt.internal.compiler.lookup.LookupEnvironment.askForType (LookupEnvironment.java:106) at org.eclipse.jdt.internal.compiler.lookup.PackageBinding.getType (PackageBinding.java:116) at org.eclipse.jdt.internal.compiler.lookup.Scope.findType (Scope.java:740) at org.eclipse.jdt.internal.compiler.lookup.Scope.getTypeOrPackage (Scope.java:1333) at org.eclipse.jdt.internal.compiler.lookup.ClassScope.findSupertype (ClassScope.java:789) at org.eclipse.jdt.internal.compiler.lookup.ClassScope.connectSuperclass (ClassScope.java:582) at org.eclipse.jdt.internal.compiler.lookup.ClassScope.connectTypeHierarchy (ClassScope.java:675) at org.eclipse.jdt.internal.compiler.lookup.CompilationUnitScope.connectTypeHierarc hy(CompilationUnitScope.java:252) at org.eclipse.jdt.internal.compiler.lookup.LookupEnvironment.completeTypeBindings (LookupEnvironment.java:221) at org.eclipse.jdt.internal.core.hierarchy.HierarchyResolver.resolve (HierarchyResolver.java:546) at org.eclipse.jdt.internal.core.hierarchy.HierarchyBuilder.buildSupertypes (HierarchyBuilder.java:131) at org.eclipse.jdt.internal.core.hierarchy.IndexBasedHierarchyBuilder.build (IndexBasedHierarchyBuilder.java:170) at org.eclipse.jdt.internal.core.hierarchy.TypeHierarchy.compute (TypeHierarchy.java:322) at org.eclipse.jdt.internal.core.hierarchy.TypeHierarchy.refresh (TypeHierarchy.java:1368) at org.eclipse.jdt.internal.core.CreateTypeHierarchyOperation.executeOperation (CreateTypeHierarchyOperation.java:78) at org.eclipse.jdt.internal.core.JavaModelOperation.execute (JavaModelOperation.java:365) at org.eclipse.jdt.internal.core.JavaModelOperation.run (JavaModelOperation.java:704) at org.eclipse.jdt.internal.core.JavaElement.runOperation (JavaElement.java:540) at org.eclipse.jdt.internal.core.SourceType.newSupertypeHierarchy (SourceType.java:351) at org.eclipse.jdt.internal.core.SourceType.newSupertypeHierarchy (SourceType.java:340) at org.eclipse.jdt.internal.corext.util.SuperTypeHierarchyCache.getTypeHierarchy (SuperTypeHierarchyCache.java:70) at org.eclipse.jdt.ui.OverrideIndicatorLabelDecorator.getOverrideIndicators (OverrideIndicatorLabelDecorator.java:134) at org.eclipse.jdt.ui.OverrideIndicatorLabelDecorator.computeAdornmentFlags (OverrideIndicatorLabelDecorator.java:118) at org.eclipse.jdt.ui.OverrideIndicatorLabelDecorator.decorateImage (OverrideIndicatorLabelDecorator.java:92) at org.eclipse.jdt.internal.ui.viewsupport.JavaUILabelProvider.getImage (JavaUILabelProvider.java:125) at org.eclipse.jface.viewers.DecoratingLabelProvider.getImage (DecoratingLabelProvider.java:73) at org.eclipse.jdt.internal.ui.viewsupport.DecoratingJavaLabelProvider.getImage (DecoratingJavaLabelProvider.java:104) at org.eclipse.jface.viewers.TreeViewer.doUpdateItem(TreeViewer.java:96) at org.eclipse.jface.viewers.AbstractTreeViewer$UpdateItemSafeRunnable.run (AbstractTreeViewer.java:87) at org.eclipse.core.internal.runtime.InternalPlatform.run (InternalPlatform.java(Inlined Compiled Code)) at org.eclipse.core.runtime.Platform.run(Platform.java(Compiled Code)) at org.eclipse.jface.viewers.AbstractTreeViewer.doUpdateItem (AbstractTreeViewer.java:406) at org.eclipse.jface.viewers.StructuredViewer$UpdateItemSafeRunnable.run (StructuredViewer.java:119) at org.eclipse.core.internal.runtime.InternalPlatform.run (InternalPlatform.java(Inlined Compiled Code)) at org.eclipse.core.runtime.Platform.run(Platform.java(Compiled Code)) at org.eclipse.jface.viewers.StructuredViewer.updateItem (StructuredViewer.java:1271) at org.eclipse.jface.viewers.AbstractTreeViewer.createTreeItem (AbstractTreeViewer.java:320) at org.eclipse.jface.viewers.AbstractTreeViewer$1.run (AbstractTreeViewer.java:303) at org.eclipse.swt.custom.BusyIndicator.showWhile(BusyIndicator.java:69) at org.eclipse.jface.viewers.AbstractTreeViewer.createChildren (AbstractTreeViewer.java:289) at org.eclipse.jface.viewers.AbstractTreeViewer.internalExpandToLevel (AbstractTreeViewer.java:840) at org.eclipse.jdt.internal.ui.javaeditor.JavaOutlinePage$JavaOutlineViewer.interna lExpandToLevel(JavaOutlinePage.java:400) at org.eclipse.jface.viewers.AbstractTreeViewer.internalExpandToLevel (AbstractTreeViewer.java:848) at org.eclipse.jdt.internal.ui.javaeditor.JavaOutlinePage$JavaOutlineViewer.interna lExpandToLevel(JavaOutlinePage.java:400) at org.eclipse.jface.viewers.AbstractTreeViewer$5.run (AbstractTreeViewer.java:730) at org.eclipse.jface.viewers.StructuredViewer.preservingSelection (StructuredViewer.java:801) at org.eclipse.jface.viewers.AbstractTreeViewer.inputChanged (AbstractTreeViewer.java:721) at org.eclipse.jface.viewers.ContentViewer.setInput (ContentViewer.java:238) at org.eclipse.jface.viewers.StructuredViewer.setInput (StructuredViewer.java:991) at org.eclipse.jdt.internal.ui.javaeditor.JavaOutlinePage.createControl (JavaOutlinePage.java:956) at org.eclipse.ui.views.contentoutline.ContentOutline.doCreatePage (ContentOutline.java:125) at org.eclipse.ui.part.PageBookView.createPage(PageBookView.java:306) at org.eclipse.ui.part.PageBookView.partActivated(PageBookView.java:561) at org.eclipse.ui.internal.PartListenerList$1.run (PartListenerList.java:43) at org.eclipse.core.internal.runtime.InternalPlatform.run (InternalPlatform.java(Inlined Compiled Code)) at org.eclipse.core.runtime.Platform.run(Platform.java(Compiled Code)) at org.eclipse.ui.internal.PartListenerList.firePartActivated (PartListenerList.java:41) at org.eclipse.ui.internal.WorkbenchPage.firePartActivated (WorkbenchPage.java:1175) at org.eclipse.ui.internal.WorkbenchPage.setActivePart (WorkbenchPage.java:2483) at org.eclipse.ui.internal.WorkbenchPage.activate (WorkbenchPage.java:406) at org.eclipse.ui.internal.WorkbenchPage.busyOpenEditor (WorkbenchPage.java:2050) at org.eclipse.ui.internal.WorkbenchPage.access$6 (WorkbenchPage.java:1983) at org.eclipse.ui.internal.WorkbenchPage$8.run(WorkbenchPage.java:1970) at org.eclipse.swt.custom.BusyIndicator.showWhile(BusyIndicator.java:69) at org.eclipse.ui.internal.WorkbenchPage.openEditor (WorkbenchPage.java:1965) at org.eclipse.ui.internal.WorkbenchPage.openEditor (WorkbenchPage.java:1866) at org.eclipse.jdt.internal.ui.javaeditor.EditorUtility.openInEditor (EditorUtility.java:129) at org.eclipse.jdt.internal.ui.javaeditor.EditorUtility.openInEditor (EditorUtility.java:107) at org.eclipse.jdt.internal.junit.ui.OpenEditorAction.run (OpenEditorAction.java:57) at org.eclipse.jdt.internal.junit.ui.HierarchyRunView.handleDoubleClick (HierarchyRunView.java:323) at org.eclipse.jdt.internal.junit.ui.HierarchyRunView$3.mouseDoubleClick (HierarchyRunView.java:307) at org.eclipse.swt.widgets.TypedListener.handleEvent (TypedListener.java:136) 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:1322) at org.eclipse.core.internal.boot.InternalBootLoader.run (InternalBootLoader.java:845) at org.eclipse.core.boot.BootLoader.run(BootLoader.java:461) at java.lang.reflect.Method.invoke(Native Method) at org.eclipse.core.launcher.Main.basicRun(Main.java:291) at org.eclipse.core.launcher.Main.run(Main.java:747) at org.eclipse.core.launcher.Main.main(Main.java:583) !ENTRY org.eclipse.jface 4 2 May 18, 2003 00:51:15.340 !MESSAGE Problems occurred when invoking code from plug-in: "org.eclipse.jface". !STACK 0 java.lang.NullPointerException at org.eclipse.jdt.internal.compiler.parser.SourceTypeConverter.convert (SourceTypeConverter.java:117) at org.eclipse.jdt.internal.compiler.parser.SourceTypeConverter.buildCompilationUni t(SourceTypeConverter.java:77) at org.eclipse.jdt.internal.core.hierarchy.HierarchyResolver.accept (HierarchyResolver.java:168) at org.eclipse.jdt.internal.compiler.lookup.LookupEnvironment.askForType (LookupEnvironment.java:106) at org.eclipse.jdt.internal.compiler.lookup.PackageBinding.getType (PackageBinding.java:116) at org.eclipse.jdt.internal.compiler.lookup.Scope.findType (Scope.java:740) at org.eclipse.jdt.internal.compiler.lookup.Scope.getTypeOrPackage (Scope.java:1333) at org.eclipse.jdt.internal.compiler.lookup.ClassScope.findSupertype (ClassScope.java:789) at org.eclipse.jdt.internal.compiler.lookup.ClassScope.connectSuperclass (ClassScope.java:582) at org.eclipse.jdt.internal.compiler.lookup.ClassScope.connectTypeHierarchy (ClassScope.java:675) at org.eclipse.jdt.internal.compiler.lookup.CompilationUnitScope.connectTypeHierarc hy(CompilationUnitScope.java:252) at org.eclipse.jdt.internal.compiler.lookup.LookupEnvironment.completeTypeBindings (LookupEnvironment.java:221) at org.eclipse.jdt.internal.core.hierarchy.HierarchyResolver.resolve (HierarchyResolver.java:546) at org.eclipse.jdt.internal.core.hierarchy.HierarchyBuilder.buildSupertypes (HierarchyBuilder.java:131) at org.eclipse.jdt.internal.core.hierarchy.IndexBasedHierarchyBuilder.build (IndexBasedHierarchyBuilder.java:170) at org.eclipse.jdt.internal.core.hierarchy.TypeHierarchy.compute (TypeHierarchy.java:322) at org.eclipse.jdt.internal.core.hierarchy.TypeHierarchy.refresh (TypeHierarchy.java:1368) at org.eclipse.jdt.internal.core.CreateTypeHierarchyOperation.executeOperation (CreateTypeHierarchyOperation.java:78) at org.eclipse.jdt.internal.core.JavaModelOperation.execute (JavaModelOperation.java:365) at org.eclipse.jdt.internal.core.JavaModelOperation.run (JavaModelOperation.java:704) at org.eclipse.jdt.internal.core.JavaElement.runOperation (JavaElement.java:540) at org.eclipse.jdt.internal.core.SourceType.newSupertypeHierarchy (SourceType.java:351) at org.eclipse.jdt.internal.core.SourceType.newSupertypeHierarchy (SourceType.java:340) at org.eclipse.jdt.internal.corext.util.SuperTypeHierarchyCache.getTypeHierarchy (SuperTypeHierarchyCache.java:70) at org.eclipse.jdt.ui.OverrideIndicatorLabelDecorator.getOverrideIndicators (OverrideIndicatorLabelDecorator.java:134) at org.eclipse.jdt.ui.OverrideIndicatorLabelDecorator.computeAdornmentFlags (OverrideIndicatorLabelDecorator.java:118) at org.eclipse.jdt.ui.OverrideIndicatorLabelDecorator.decorateImage (OverrideIndicatorLabelDecorator.java:92) at org.eclipse.jdt.internal.ui.viewsupport.JavaUILabelProvider.getImage (JavaUILabelProvider.java:125) at org.eclipse.jface.viewers.DecoratingLabelProvider.getImage (DecoratingLabelProvider.java:73) at org.eclipse.jdt.internal.ui.viewsupport.DecoratingJavaLabelProvider.getImage (DecoratingJavaLabelProvider.java:104) at org.eclipse.jface.viewers.TreeViewer.doUpdateItem(TreeViewer.java:96) at org.eclipse.jface.viewers.AbstractTreeViewer$UpdateItemSafeRunnable.run (AbstractTreeViewer.java:87) at org.eclipse.core.internal.runtime.InternalPlatform.run (InternalPlatform.java(Inlined Compiled Code)) at org.eclipse.core.runtime.Platform.run(Platform.java(Compiled Code)) at org.eclipse.jface.viewers.AbstractTreeViewer.doUpdateItem (AbstractTreeViewer.java:406) at org.eclipse.jface.viewers.AbstractTreeViewer.internalRefresh (AbstractTreeViewer.java:932) at org.eclipse.jface.viewers.AbstractTreeViewer.internalRefresh (AbstractTreeViewer.java:949) at org.eclipse.jface.viewers.AbstractTreeViewer.internalRefresh (AbstractTreeViewer.java:949) at org.eclipse.jface.viewers.AbstractTreeViewer.labelProviderChanged (AbstractTreeViewer.java:1059) at org.eclipse.jface.viewers.ContentViewer.handleLabelProviderChanged (ContentViewer.java:161) at org.eclipse.jface.viewers.StructuredViewer.handleLabelProviderChanged (StructuredViewer.java:641) at org.eclipse.jdt.internal.ui.javaeditor.JavaOutlinePage$JavaOutlineViewer.handleL abelProviderChanged(JavaOutlinePage.java:652) at org.eclipse.jface.viewers.ContentViewer$1.labelProviderChanged (ContentViewer.java:74) at org.eclipse.jdt.ui.ProblemsLabelDecorator.fireProblemsChanged (ProblemsLabelDecorator.java:346) at org.eclipse.jdt.ui.ProblemsLabelDecorator.access$0 (ProblemsLabelDecorator.java:341) at org.eclipse.jdt.ui.ProblemsLabelDecorator$1.problemsChanged (ProblemsLabelDecorator.java:321) at org.eclipse.jdt.internal.ui.viewsupport.ProblemMarkerManager$1.run (ProblemMarkerManager.java:183) at org.eclipse.swt.widgets.RunnableLock.run(RunnableLock.java(Inlined Compiled Code)) at org.eclipse.swt.widgets.Synchronizer.runAsyncMessages (Synchronizer.java(Compiled Code)) at org.eclipse.swt.widgets.Display.runAsyncMessages(Display.java (Inlined Compiled Code)) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java (Compiled Code)) at org.eclipse.jface.window.Window.runEventLoop(Window.java:583) at org.eclipse.jface.window.Window.open(Window.java:563) at org.eclipse.jface.dialogs.MessageDialog.openError (MessageDialog.java:286) at org.eclipse.jface.util.SafeRunnable.handleException (SafeRunnable.java:50) at org.eclipse.jface.viewers.AbstractTreeViewer$UpdateItemSafeRunnable.handleExcept ion(AbstractTreeViewer.java:90) at org.eclipse.core.internal.runtime.InternalPlatform.handleException (InternalPlatform.java:450) at org.eclipse.core.internal.runtime.InternalPlatform.run (InternalPlatform.java(Inlined Compiled Code)) at org.eclipse.core.runtime.Platform.run(Platform.java(Compiled Code)) at org.eclipse.jface.viewers.AbstractTreeViewer.doUpdateItem (AbstractTreeViewer.java:406) at org.eclipse.jface.viewers.StructuredViewer$UpdateItemSafeRunnable.run (StructuredViewer.java:119) at org.eclipse.core.internal.runtime.InternalPlatform.run (InternalPlatform.java(Inlined Compiled Code)) at org.eclipse.core.runtime.Platform.run(Platform.java(Compiled Code)) at org.eclipse.jface.viewers.StructuredViewer.updateItem (StructuredViewer.java:1271) at org.eclipse.jface.viewers.AbstractTreeViewer.createTreeItem (AbstractTreeViewer.java:320) at org.eclipse.jface.viewers.AbstractTreeViewer$1.run (AbstractTreeViewer.java:303) at org.eclipse.swt.custom.BusyIndicator.showWhile(BusyIndicator.java:69) at org.eclipse.jface.viewers.AbstractTreeViewer.createChildren (AbstractTreeViewer.java:289) at org.eclipse.jface.viewers.AbstractTreeViewer.internalExpandToLevel (AbstractTreeViewer.java:840) at org.eclipse.jdt.internal.ui.javaeditor.JavaOutlinePage$JavaOutlineViewer.interna lExpandToLevel(JavaOutlinePage.java:400) at org.eclipse.jface.viewers.AbstractTreeViewer.internalExpandToLevel (AbstractTreeViewer.java:848) at org.eclipse.jdt.internal.ui.javaeditor.JavaOutlinePage$JavaOutlineViewer.interna lExpandToLevel(JavaOutlinePage.java:400) at org.eclipse.jface.viewers.AbstractTreeViewer$5.run (AbstractTreeViewer.java:730) at org.eclipse.jface.viewers.StructuredViewer.preservingSelection (StructuredViewer.java:801) at org.eclipse.jface.viewers.AbstractTreeViewer.inputChanged (AbstractTreeViewer.java:721) at org.eclipse.jface.viewers.ContentViewer.setInput (ContentViewer.java:238) at org.eclipse.jface.viewers.StructuredViewer.setInput (StructuredViewer.java:991) at org.eclipse.jdt.internal.ui.javaeditor.JavaOutlinePage.createControl (JavaOutlinePage.java:956) at org.eclipse.ui.views.contentoutline.ContentOutline.doCreatePage (ContentOutline.java:125) at org.eclipse.ui.part.PageBookView.createPage(PageBookView.java:306) at org.eclipse.ui.part.PageBookView.partActivated(PageBookView.java:561) at org.eclipse.ui.internal.PartListenerList$1.run (PartListenerList.java:43) at org.eclipse.core.internal.runtime.InternalPlatform.run (InternalPlatform.java(Inlined Compiled Code)) at org.eclipse.core.runtime.Platform.run(Platform.java(Compiled Code)) at org.eclipse.ui.internal.PartListenerList.firePartActivated (PartListenerList.java:41) at org.eclipse.ui.internal.WorkbenchPage.firePartActivated (WorkbenchPage.java:1175) at org.eclipse.ui.internal.WorkbenchPage.setActivePart (WorkbenchPage.java:2483) at org.eclipse.ui.internal.WorkbenchPage.activate (WorkbenchPage.java:406) at org.eclipse.ui.internal.WorkbenchPage.busyOpenEditor (WorkbenchPage.java:2050) at org.eclipse.ui.internal.WorkbenchPage.access$6 (WorkbenchPage.java:1983) at org.eclipse.ui.internal.WorkbenchPage$8.run(WorkbenchPage.java:1970) at org.eclipse.swt.custom.BusyIndicator.showWhile(BusyIndicator.java:69) at org.eclipse.ui.internal.WorkbenchPage.openEditor (WorkbenchPage.java:1965) at org.eclipse.ui.internal.WorkbenchPage.openEditor (WorkbenchPage.java:1866) at org.eclipse.jdt.internal.ui.javaeditor.EditorUtility.openInEditor (EditorUtility.java:129) at org.eclipse.jdt.internal.ui.javaeditor.EditorUtility.openInEditor (EditorUtility.java:107) at org.eclipse.jdt.internal.junit.ui.OpenEditorAction.run (OpenEditorAction.java:57) at org.eclipse.jdt.internal.junit.ui.HierarchyRunView.handleDoubleClick (HierarchyRunView.java:323) at org.eclipse.jdt.internal.junit.ui.HierarchyRunView$3.mouseDoubleClick (HierarchyRunView.java:307) at org.eclipse.swt.widgets.TypedListener.handleEvent (TypedListener.java:136) 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:1322) at org.eclipse.core.internal.boot.InternalBootLoader.run (InternalBootLoader.java:845) at org.eclipse.core.boot.BootLoader.run(BootLoader.java:461) at java.lang.reflect.Method.invoke(Native Method) at org.eclipse.core.launcher.Main.basicRun(Main.java:291) at org.eclipse.core.launcher.Main.run(Main.java:747) at org.eclipse.core.launcher.Main.main(Main.java:583)
Which VM are you using ?
*** Bug 37805 has been marked as a duplicate of this bug. ***
I was using Sun JDK 1.4.1
*** Bug 37949 has been marked as a duplicate of this bug. ***
It feels then like a concurrency issue. When resolving multiple units at the same time, some required types can be requested simultaneously from different threads.
The imports list cannot contain nulls per construction, and the concurrency issue shouldn't occur based on the implementation which is protected by the model lock. Steps to reproduce would be welcome.
*** This bug has been marked as a duplicate of 36854 ***