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
createDestinationGroup(composite);
        createOptionsGroup(composite);
        restoreWidgetValues();
        updateWidgetEnablements();
        setPageComplete(determinePageCompletion());
        setControl(composite);
    }
    /**
     * Creates the import destination specification controls.
     *
     * @param parent the parent control
     */
    protected final void createDestinationGroup(Composite parent) {
        
        Composite containerGroup = new Composite(parent, SWT.NONE);
        GridLayout layout = new GridLayout();
        layout.numColumns = 3;
        containerGroup.setLayout(layout);
        containerGroup.setLayoutData(new GridData(
                GridData.HORIZONTAL_ALIGN_FILL | GridData.GRAB_HORIZONTAL));
        containerGroup.setFont(parent.getFont());
        
        Label resourcesLabel = new Label(containerGroup, SWT.NONE);
        resourcesLabel.setText(IDEWorkbenchMessages.WizardImportPage_folder);
        resourcesLabel.setFont(parent.getFont());
        
        containerNameField = new Text(containerGroup, SWT.SINGLE | SWT.BORDER);
        containerNameField.addListener(SWT.Modify, this);
        GridData data = new GridData(GridData.HORIZONTAL_ALIGN_FILL
                | GridData.GRAB_HORIZONTAL);