Bug 108143 [Import/Export] error message does not go away when resources are selected for import
The patch for 97523 should have included code to prevent this problem, but it was overlooked. -Import an Archive or from the File System -Ensure the the Into Folder: field is empty -Uncheck all the resources to import (notice an error message appears) then check it again BUG: the error message does not go away
bundles/org.eclipse.ui.ide/src/org/eclipse/ui/internal/wizards/datatransfer/WizardFileSystemResourceImportPage1.java
* @param map Map - key tree elements, values Lists of list elements
     */
    protected void updateSelections(Map map) {
        super.updateSelections(map);
    }
    /**
     * Check if widgets are enabled or disabled by a change in the dialog.
     * Provided here to give access to inner classes.
     */
    protected void updateWidgetEnablements() {
        super.updateWidgetEnablements();
    }
    /**
     *	Answer a boolean indicating whether self's source specification
     *	widgets currently all contain valid values.
     */
    protected boolean validateSourceGroup() {
        File sourceDirectory = getSourceDirectory();
        if (sourceDirectory == null) {
            setMessage(SOURCE_EMPTY_MESSAGE);
            enableButtonGroup(false);
            return false;
        }
        if (sourceConflictsWithDestination(new Path(sourceDirectory.getPath()))) {
            setErrorMessage(getSourceConflictMessage());
            enableButtonGroup(false);
            return false;
        }
        List resourcesToExport = selectionGroup.getAllWhiteCheckedItems();
        if (resourcesToExport.size() == 0){