if (! getter.exists())
if (getter == null || ! getter.exists())
	private String getRenameGetterLabel(){		String defaultLabel= RefactoringMessages.getString("RenameFiledInputWizardPage.rename_getter"); //$NON-NLS-1$		if (fGetterRenamingErrorMessage != null)			return constructDisabledGetterRenamingLabel(defaultLabel);		try {			IMethod	getter= getRenameFieldRefactoring().getGetter();			if (! getter.exists())				return defaultLabel;			String getterSig= JavaElementUtil.createMethodSignature(getter);			return RefactoringMessages.getFormattedString("RenameFiledInputWizardPage.rename_getter_to", new String[]{getterSig, createNewGetterName()}); //$NON-NLS-1$		} catch(JavaModelException e) {			JavaPlugin.log(e);			return defaultLabel;					}	}