клиент:
| Код |
public static categories_list geCategoryList() {
OutputStreamWriter wr;
try {
// Construct data
String data = URLEncoder.encode("LoadCategories", "UTF-8");
// Send data
URL url = new URL("http://localhost:8080/RS-Blog__server_/CategoryServlet");
URLConnection conn = url.openConnection();
conn.setDoOutput(true);
wr = new OutputStreamWriter(conn.getOutputStream());
wr.write(data);
wr.flush();
// Get the response
XMLDecoder d = new XMLDecoder(new BufferedInputStream(
conn.getInputStream()));
allCategory = (categories_list) d.readObject();
d.close();
wr.close();
}
catch (Exception e) {
}
return allCategory;
}
}
|
сервер:
| Код |
protected void categoriesLoad(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
HibernateUtil.getSessionFactory();
category cat = new category();
cat.setTitle("title1");
HibernateUtil.Save(cat);
String d = (String) request.getAttribute("LoadCategories");
if (d != null) {
categories_list catl = new categories_list();
HibernateUtil.Load(catl);
XMLEncoder e = new XMLEncoder(
new BufferedOutputStream(response.getOutputStream()));
e.writeObject(catl);
e.close();
}
}
protected void doGet(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
categoriesLoad(request, response);
}
|
При запуске клиента возникает такая ошибка:
| Код |
org.xml.sax.SAXParseException: Premature end of file.
Continuing ...
Exception in thread "AWT-EventQueue-0" java.lang.NullPointerException
|
Кто-нибудь знает, почему???? |
