Bug 114648 export file system/archive wizard initally has error when no selection seeded
Make sure nothing is selected in your Navigator or Package Explorer. File > Import/Export Select Archive or File System BUG: there is initially an error - There are no resources currently selected for export. There should not initially be an error in these wizards.
bundles/org.eclipse.ui.ide/extensions/org/eclipse/ui/dialogs/WizardResourceImportPage.java
private String initialContainerFieldValue;
    protected java.util.List selectedTypes = new ArrayList();
    
    private Text containerNameField;
    private Button containerBrowseButton;
    protected ResourceTreeAndListGroup selectionGroup;
    
    private static final String EMPTY_FOLDER_MESSAGE = IDEWorkbenchMessages.WizardImportPage_specifyFolder;
    private static final String EMPTY_PROJECT_MESSAGE = IDEWorkbenchMessages.WizardImportPage_specifyProject;
    
    private static final String INACCESSABLE_FOLDER_MESSAGE = IDEWorkbenchMessages.WizardImportPage_folderMustExist;
    /**
     * Creates an import wizard page. If the initial resource selection 
     * contains exactly one container resource then it will be used as the default
     * import destination.
     *
     * @param name the name of the page
     * @param selection the current resource selection
     */
    protected WizardResourceImportPage(String name,
            IStructuredSelection selection) {
        super(name);
        
        currentResourceSelection = null;
        if (selection.size() == 1) {
            Object firstElement = selection.getFirstElement();
            if (firstElement instanceof IAdaptable) {
                Object resource = ((IAdaptable) firstElement)
                        .getAdapter(IResource.class);
                if (resource != null)