Project: JDT
Bug 146116 [render] npe in BindingLabelProvider
Reported: 2006-06-08 16:57:07 | Status: verified fixed

while trying to inline the variable "test", got an error. public class X { { int test = 3; System.out.println(test); } } java.lang.reflect.InvocationTargetException at org.eclipse.jface.operation.ModalContext.run(ModalContext.java:350) at org.eclipse.ltk.internal.ui.refactoring.RefactoringWizardDialog2.run(RefactoringWizardDialog2.java:304) at org.eclipse.ltk.ui.refactoring.RefactoringWizard.internalPerformFinish(RefactoringWizard.java:545) at org.eclipse.ltk.ui.refactoring.UserInputWizardPage.performFinish(UserInputWizardPage.java:154) at org.eclipse.ltk.ui.refactoring.RefactoringWizard.performFinish(RefactoringWizard.java:611) at org.eclipse.ltk.internal.ui.refactoring.RefactoringWizardDialog2.okPressed(RefactoringWizardDialog2.java:433) at org.eclipse.jface.dialogs.Dialog.buttonPressed(Dialog.java:508) at org.eclipse.jface.dialogs.Dialog$3.widgetSelected(Dialog.java:660) at org.eclipse.swt.widgets.TypedListener.handleEvent(TypedListener.java:90) at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:66) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1085) at org.eclipse.swt.widgets.Display.runDeferredEvents(Display.java:3164) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:2840) at org.eclipse.jface.window.Window.runEventLoop(Window.java:820) at org.eclipse.jface.window.Window.open(Window.java:796) at org.eclipse.ltk.ui.refactoring.RefactoringWizardOpenOperation$1.run(RefactoringWizardOpenOperation.java:132) at org.eclipse.swt.custom.BusyIndicator.showWhile(BusyIndicator.java:67) at org.eclipse.ltk.ui.refactoring.RefactoringWizardOpenOperation.run(RefactoringWizardOpenOperation.java:145) at org.eclipse.jdt.internal.ui.refactoring.actions.RefactoringStarter.activate(RefactoringStarter.java:40) at org.eclipse.jdt.internal.corext.refactoring.RefactoringExecutionStarter.startInlineTempRefactoring(RefactoringExecutionStarter.java:280) at org.eclipse.jdt.ui.actions.InlineTempAction.run(InlineTempAction.java:100) at org.eclipse.jdt.ui.actions.InlineTempAction.tryInlineTemp(InlineTempAction.java:123) at org.eclipse.jdt.ui.actions.InlineAction.run(InlineAction.java:108) at org.eclipse.jdt.ui.actions.SelectionDispatchAction.dispatchRun(SelectionDispatchAction.java:271) at org.eclipse.jdt.ui.actions.SelectionDispatchAction.run(SelectionDispatchAction.java:243) at org.eclipse.jface.action.Action.runWithEvent(Action.java:499) at org.eclipse.jface.action.ActionContributionItem.handleWidgetSelection(ActionContributionItem.java:539) at org.eclipse.jface.action.ActionContributionItem.access$2(ActionContributionItem.java:488) at org.eclipse.jface.action.ActionContributionItem$5.handleEvent(ActionContributionItem.java:400) at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:66) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1085) at org.eclipse.swt.widgets.Display.runDeferredEvents(Display.java:3164) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:2840) at org.eclipse.jdt.internal.ui.actions.QuickMenuAction.run(QuickMenuAction.java:77) at org.eclipse.jface.action.Action.runWithEvent(Action.java:499) at org.eclipse.ui.commands.ActionHandler.execute(ActionHandler.java:185) at org.eclipse.ui.internal.handlers.LegacyHandlerWrapper.execute(LegacyHandlerWrapper.java:109) at org.eclipse.core.commands.Command.executeWithChecks(Command.java:461) at org.eclipse.core.commands.ParameterizedCommand.executeWithChecks(ParameterizedCommand.java:424) at org.eclipse.ui.internal.handlers.HandlerService.executeCommand(HandlerService.java:160) at org.eclipse.ui.internal.keys.WorkbenchKeyboard.executeCommand(WorkbenchKeyboard.java:466) at org.eclipse.ui.internal.keys.WorkbenchKeyboard.press(WorkbenchKeyboard.java:799) at org.eclipse.ui.internal.keys.WorkbenchKeyboard.processKeyEvent(WorkbenchKeyboard.java:846) at org.eclipse.ui.internal.keys.WorkbenchKeyboard.filterKeySequenceBindings(WorkbenchKeyboard.java:564) at org.eclipse.ui.internal.keys.WorkbenchKeyboard.access$3(WorkbenchKeyboard.java:506) at org.eclipse.ui.internal.keys.WorkbenchKeyboard$KeyDownFilter.handleEvent(WorkbenchKeyboard.java:122) at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:66) at org.eclipse.swt.widgets.Display.filterEvent(Display.java:1341) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1084) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1109) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1094) at org.eclipse.swt.widgets.Widget.sendKeyEvent(Widget.java:1121) at org.eclipse.swt.widgets.Widget.gtk_key_press_event(Widget.java:655) at org.eclipse.swt.widgets.Control.gtk_key_press_event(Control.java:2082) at org.eclipse.swt.widgets.Composite.gtk_key_press_event(Composite.java:637) at org.eclipse.swt.widgets.Widget.windowProc(Widget.java:1434) at org.eclipse.swt.widgets.Display.windowProc(Display.java:3796) at org.eclipse.swt.internal.gtk.OS._gtk_main_do_event(Native Method) at org.eclipse.swt.internal.gtk.OS.gtk_main_do_event(OS.java:5245) at org.eclipse.swt.widgets.Display.eventProc(Display.java:1133) at org.eclipse.swt.internal.gtk.OS._g_main_context_iteration(Native Method) at org.eclipse.swt.internal.gtk.OS.g_main_context_iteration(OS.java:1427) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:2838) at org.eclipse.ui.internal.Workbench.runEventLoop(Workbench.java:1914) at org.eclipse.ui.internal.Workbench.runUI(Workbench.java:1878) at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:419) at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:143) at org.eclipse.ui.internal.ide.IDEApplication.run(IDEApplication.java:95) at org.eclipse.core.internal.runtime.PlatformActivator$1.run(PlatformActivator.java:78) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:92) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:68) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:400) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:177) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) at java.lang.reflect.Method.invoke(Method.java:585) at org.eclipse.core.launcher.Main.invokeFramework(Main.java:336) at org.eclipse.core.launcher.Main.basicRun(Main.java:280) at org.eclipse.core.launcher.Main.run(Main.java:977) at org.eclipse.core.launcher.Main.main(Main.java:952) Caused by: java.lang.NullPointerException at org.eclipse.jdt.internal.ui.viewsupport.BindingLabelProvider.getMethodLabel(BindingLabelProvider.java:211) at org.eclipse.jdt.internal.ui.viewsupport.BindingLabelProvider.getLocalVariableLabel(BindingLabelProvider.java:136) at org.eclipse.jdt.internal.ui.viewsupport.BindingLabelProvider.getBindingLabel(BindingLabelProvider.java:446) at org.eclipse.jdt.internal.corext.refactoring.code.InlineTempRefactoring.createChange(InlineTempRefactoring.java:228) at org.eclipse.ltk.core.refactoring.CreateChangeOperation.run(CreateChangeOperation.java:121) at org.eclipse.ltk.core.refactoring.PerformChangeOperation.run(PerformChangeOperation.java:189) at org.eclipse.core.internal.resources.Workspace.run(Workspace.java:1737) at org.eclipse.ltk.internal.ui.refactoring.WorkbenchRunnableAdapter.run(WorkbenchRunnableAdapter.java:87) at org.eclipse.jface.operation.ModalContext$ModalContextThread.run(ModalContext.java:113) Root exception: java.lang.NullPointerException at org.eclipse.jdt.internal.ui.viewsupport.BindingLabelProvider.getMethodLabel(BindingLabelProvider.java:211) at org.eclipse.jdt.internal.ui.viewsupport.BindingLabelProvider.getLocalVariableLabel(BindingLabelProvider.java:136) at org.eclipse.jdt.internal.ui.viewsupport.BindingLabelProvider.getBindingLabel(BindingLabelProvider.java:446) at org.eclipse.jdt.internal.corext.refactoring.code.InlineTempRefactoring.createChange(InlineTempRefactoring.java:228) at org.eclipse.ltk.core.refactoring.CreateChangeOperation.run(CreateChangeOperation.java:121) at org.eclipse.ltk.core.refactoring.PerformChangeOperation.run(PerformChangeOperation.java:189) at org.eclipse.core.internal.resources.Workspace.run(Workspace.java:1737) at org.eclipse.ltk.internal.ui.refactoring.WorkbenchRunnableAdapter.run(WorkbenchRunnableAdapter.java:87) at org.eclipse.jface.operation.ModalContext$ModalContextThread.run(ModalContext.java:113)

Files changed in fix:
org.eclipse.jdt.ui/ui/org/eclipse/jdt/internal/ui/viewsupport/BindingLabelProvider.java