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
IPath containerPath = getContainerFullPath();
        if (containerPath == null) {
            setMessage(EMPTY_FOLDER_MESSAGE);
            return false;
        }
        
        IContainer container = getSpecifiedContainer();
        if (container == null) {
        	
        	if(IDEWorkbenchPlugin.getPluginWorkspace().getRoot().exists(getContainerFullPath()))
        		return false;
        	
            
            IWorkspace workspace = IDEWorkbenchPlugin.getPluginWorkspace();
            IPath projectPath = containerPath.removeLastSegments(containerPath
                    .segmentCount() - 1);
            if (workspace.getRoot().exists(projectPath))
                return true;
            setErrorMessage(IDEWorkbenchMessages.WizardImportPage_projectNotExist);
            return false;
        } 
        if (!container.isAccessible()) {
             setErrorMessage(INACCESSABLE_FOLDER_MESSAGE);
             return false;
        }
        if (container.getLocation() == null) {
          if (container.isLinked()) {
               setErrorMessage(IDEWorkbenchMessages.WizardImportPage_undefinedPathVariable);
          } else {
               setErrorMessage(IDEWorkbenchMessages.WizardImportPage_containerNotExist);