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
* Creates the export destination specification visual components.
     * <p>
     * Subclasses must implement this method.
     * </p>
     *
     * @param parent the parent control
     */
    protected abstract void createDestinationGroup(Composite parent);
    /**
     * Creates the checkbox tree and list for selecting resources.
     *
     * @param parent the parent control
     */
    protected final void createResourcesGroup(Composite parent) {
        
        
        List input = new ArrayList();
        IProject[] projects = ResourcesPlugin.getWorkspace().getRoot()
                .getProjects();
        for (int i = 0; i < projects.length; i++) {
            if (projects[i].isOpen())
                input.add(projects[i]);
        }
        this.resourceGroup = new ResourceTreeAndListGroup(parent, input,
                getResourceProvider(IResource.FOLDER | IResource.PROJECT),
                WorkbenchLabelProvider.getDecoratingWorkbenchLabelProvider(),
                getResourceProvider(IResource.FILE), WorkbenchLabelProvider
                        .getDecoratingWorkbenchLabelProvider(), SWT.NONE,
                DialogUtil.inRegularFontMode(parent));