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
data.widthHint = SIZING_TEXT_FIELD_WIDTH;
        containerNameField.setLayoutData(data);
        containerNameField.setFont(parent.getFont());
        
        containerBrowseButton = new Button(containerGroup, SWT.PUSH);
        containerBrowseButton.setText(IDEWorkbenchMessages.WizardImportPage_browse2);
        containerBrowseButton.setLayoutData(new GridData(
                GridData.HORIZONTAL_ALIGN_FILL));
        containerBrowseButton.addListener(SWT.Selection, this);
        containerBrowseButton.setFont(parent.getFont());
        setButtonLayoutData(containerBrowseButton);
        initialPopulateContainerField();
    }
    /**
     *	Create the import source selection widget
     */
    protected void createFileSelectionGroup(Composite parent) {
        
        this.selectionGroup = new ResourceTreeAndListGroup(parent,
                new FileSystemElement("Dummy", null, true),
                getFolderProvider(), new WorkbenchLabelProvider(),
                getFileProvider(), new WorkbenchLabelProvider(), SWT.NONE,
                DialogUtil.inRegularFontMode(parent));
        ICheckStateListener listener = new ICheckStateListener() {
            public void checkStateChanged(CheckStateChangedEvent event) {
                updateWidgetEnablements();
            }
        };
        WorkbenchViewerSorter sorter = new WorkbenchViewerSorter();
        this.selectionGroup.setTreeSorter(sorter);