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
* Do nothing by default.
     */
    protected void setupSelectionsBasedOnSelectedTypes() {
    }
    /**
     * Update the selections with those in map .
     * @param map Map - key tree elements, values Lists of list elements
     */
    protected void updateSelections(final Map map) {
        Runnable runnable = new Runnable() {
            public void run() {
                selectionGroup.updateSelections(map);
            }
        };
        BusyIndicator.showWhile(getShell().getDisplay(), runnable);
    }
    /**
     * Check if widgets are enabled or disabled by a change in the dialog.
     */
    protected void updateWidgetEnablements() {
        boolean pageComplete = determinePageCompletion();
        setPageComplete(pageComplete);
        if (pageComplete)
            setMessage(null);
        super.updateWidgetEnablements();
    }
    /* (non-Javadoc)
     * Method declared on WizardDataTransferPage.
     */
    protected final boolean validateDestinationGroup() {