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/WizardExportResourcesPage.java
* for export (element type: <code>IResource</code>)
     */
    protected List getWhiteCheckedResources() {
        return this.resourceGroup.getAllWhiteCheckedItems();
    }
    /**
     * Queries the user for the types of resources to be exported and selects
     * them in the checkbox group.
     */
    protected void handleTypesEditButtonPressed() {
        Object[] newSelectedTypes = queryResourceTypesToExport();
        if (newSelectedTypes != null) { 
            this.selectedTypes = new ArrayList(newSelectedTypes.length);
            for (int i = 0; i < newSelectedTypes.length; i++) {
                this.selectedTypes.add(newSelectedTypes[i]);
            }
            setupSelectionsBasedOnSelectedTypes();
        }
    }
    /**
     * Returns whether the extension of the given resource name is an extension that
     * has been specified for export by the user.
     *
     * @param resourceName the resource name
     * @return <code>true</code> if the resource name is suitable for export based 
     *   upon its extension
     */
    protected boolean hasExportableExtension(String resourceName) {
        if (selectedTypes == null) 
            return true;