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Build: eclipse.buildId=M20050929-0840 In preferences I (accidentally) added a dangling comma to the list of prefixes for Fields. From this point on I found that attempts to rename an instance variable would fail with the uniformative reason "-1" and did not display dialog asking for a new name. The error log showed: java.lang.ArrayIndexOutOfBoundsException: -1 at org.eclipse.jdt.core.NamingConventions.removePrefixAndSuffix(NamingConventions.java:245) at org.eclipse.jdt.core.NamingConventions.removePrefixAndSuffixForFieldName(NamingConventions.java:364) at org.eclipse.jdt.core.NamingConventions.suggestAccessorName(NamingConventions.java:894) at org.eclipse.jdt.core.NamingConventions.suggestGetterName(NamingConventions.java:750) at org.eclipse.jdt.core.NamingConventions.suggestGetterName(NamingConventions.java:789) at org.eclipse.jdt.internal.corext.codemanipulation.GetterSetterUtil.getGetterName(GetterSetterUtil.java:50) at org.eclipse.jdt.internal.corext.codemanipulation.GetterSetterUtil.getGetterName(GetterSetterUtil.java:46) at org.eclipse.jdt.internal.corext.codemanipulation.GetterSetterUtil.getGetter(GetterSetterUtil.java:65) at org.eclipse.jdt.internal.corext.refactoring.rename.RenameFieldProcessor.getGetter(RenameFieldProcessor.java:256) at org.eclipse.jdt.internal.corext.refactoring.rename.RenameFieldProcessor.canEnableGetterRenaming(RenameFieldProcessor.java:208) at org.eclipse.jdt.internal.ui.refactoring.reorg.RenameFieldWizard$RenameFieldInputWizardPage.checkGetterRenamingEnablement(RenameFieldWizard.java:202) at org.eclipse.jdt.internal.ui.refactoring.reorg.RenameFieldWizard$RenameFieldInputWizardPage.access$3(RenameFieldWizard.java:198) at org.eclipse.jdt.internal.ui.refactoring.reorg.RenameFieldWizard$3.run(RenameFieldWizard.java:132) at org.eclipse.swt.custom.BusyIndicator.showWhile(BusyIndicator.java:69) at org.eclipse.jdt.internal.ui.refactoring.reorg.RenameFieldWizard$RenameFieldInputWizardPage.getGetterSetterRenamingEnablement(RenameFieldWizard.java:130) at org.eclipse.jdt.internal.ui.refactoring.reorg.RenameFieldWizard$RenameFieldInputWizardPage.createControl(RenameFieldWizard.java:87) at org.eclipse.ltk.internal.ui.refactoring.RefactoringWizardDialog2.createContents(RefactoringWizardDialog2.java:555) at org.eclipse.jface.window.Window.create(Window.java:418) at org.eclipse.jface.dialogs.Dialog.create(Dialog.java:996) at org.eclipse.jface.window.Window.open(Window.java:776) at org.eclipse.ltk.ui.refactoring.RefactoringWizardOpenOperation$1.run(RefactoringWizardOpenOperation.java:125) at org.eclipse.swt.custom.BusyIndicator.showWhile(BusyIndicator.java:69) at org.eclipse.ltk.ui.refactoring.RefactoringWizardOpenOperation.run(RefactoringWizardOpenOperation.java:138) at org.eclipse.jdt.internal.ui.refactoring.actions.RefactoringStarter.activate(RefactoringStarter.java:40) at org.eclipse.jdt.internal.ui.refactoring.UserInterfaceStarter.activate(UserInterfaceStarter.java:56) at org.eclipse.jdt.internal.ui.refactoring.reorg.RenameUserInterfaceStarter.activate(RenameUserInterfaceStarter.java:113) at org.eclipse.jdt.ui.refactoring.RenameSupport.openDialog(RenameSupport.java:114) at org.eclipse.jdt.internal.corext.refactoring.RefactoringExecutionStarter.startRenameRefactoring(RefactoringExecutionStarter.java:327) at org.eclipse.jdt.internal.ui.refactoring.actions.RenameJavaElementAction.run(RenameJavaElementAction.java:171) at org.eclipse.jdt.internal.ui.refactoring.actions.RenameJavaElementAction.run(RenameJavaElementAction.java:131) at org.eclipse.jdt.ui.actions.RenameAction.run(RenameAction.java:117) at org.eclipse.jdt.ui.actions.SelectionDispatchAction.dispatchRun(SelectionDispatchAction.java:226) at org.eclipse.jdt.ui.actions.SelectionDispatchAction.run(SelectionDispatchAction.java:198) at org.eclipse.jface.action.Action.runWithEvent(Action.java:996) at org.eclipse.ui.commands.ActionHandler.execute(ActionHandler.java:182) at org.eclipse.ui.internal.handlers.LegacyHandlerWrapper.execute(LegacyHandlerWrapper.java:108) at org.eclipse.core.commands.Command.execute(Command.java:311) at org.eclipse.core.commands.ParameterizedCommand.execute(ParameterizedCommand.java:396) at org.eclipse.ui.internal.keys.WorkbenchKeyboard.executeCommand(WorkbenchKeyboard.java:459) at org.eclipse.ui.internal.keys.WorkbenchKeyboard.press(WorkbenchKeyboard.java:781) at org.eclipse.ui.internal.keys.WorkbenchKeyboard.processKeyEvent(WorkbenchKeyboard.java:828) at org.eclipse.ui.internal.keys.WorkbenchKeyboard.filterKeySequenceBindings(WorkbenchKeyboard.java:550) at org.eclipse.ui.internal.keys.WorkbenchKeyboard.access$3(WorkbenchKeyboard.java:493) at org.eclipse.ui.internal.keys.WorkbenchKeyboard$KeyDownFilter.handleEvent(WorkbenchKeyboard.java:117) at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:66) at org.eclipse.swt.widgets.Display.filterEvent(Display.java:917) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:842) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:867) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:852) at org.eclipse.swt.widgets.Control.traverse(Control.java:2778) at org.eclipse.swt.widgets.Control.translateMnemonic(Control.java:2619) at org.eclipse.swt.widgets.Composite.translateMnemonic(Composite.java:827) at org.eclipse.swt.widgets.Control.translateMnemonic(Control.java:2637) at org.eclipse.swt.widgets.Display.translateMnemonic(Display.java:3514) at org.eclipse.swt.widgets.Display.filterMessage(Display.java:931) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:2709) at org.eclipse.ui.internal.Workbench.runEventLoop(Workbench.java:1699) at org.eclipse.ui.internal.Workbench.runUI(Workbench.java:1663) at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:367) at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:143) at org.eclipse.ui.internal.ide.IDEApplication.run(IDEApplication.java:103) at org.eclipse.core.internal.runtime.PlatformActivator$1.run(PlatformActivator.java:226) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:376) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:163) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) at java.lang.reflect.Method.invoke(Unknown Source) at org.eclipse.core.launcher.Main.invokeFramework(Main.java:334) at org.eclipse.core.launcher.Main.basicRun(Main.java:278) at org.eclipse.core.launcher.Main.run(Main.java:973) at org.eclipse.core.launcher.Main.main(Main.java:948) Removing the dangling "," resolves the issue.
Fixed and test added NamingConventionTests#testRemovePrefixAndSuffixForFieldName004() The bug can be reproduced in 3.1.1 but not with I20051102-0010 (3.2). The bug isn't visible in 3.2 but still exist because some protections were added in JDT/UI. I added protections in JDT/Core to ignore empty prefixes/suffixes.
Verified for 3.2 M4 using build I20051212-0010
*** Bug 117982 has been marked as a duplicate of this bug. ***
*** Bug 167546 has been marked as a duplicate of this bug. ***