try {
resp.setStatus(HttpServletResponse.SC_OK);
resp.setContentType("application/zip");
OutputStream os = resp.getOutputStream();
try {
ExportTarget tgt = new JsonExport.ZipExportTarget(os,false,true);
JsonExport exp = new JsonExport(tgt);
exp.setItemFilter(new JsonImportExport.ItemFilter() {
@Override
public boolean accept(Item item) throws NotesException {
String name = item.getName();