Calling a servlet in java class

Question

Hello,
I try to call a servlet from java class
but is dose not work
what should be the problem
   public void callServlet()
          try
                        // xxservlet is the servlet name
               URL url = new URL("http://www.mydomain.com/xxservlet");
               URLConnection hpCon = url.openConnection();
               hpCon.setDoOutput(true);
               OutputStreamWriter out = new OutputStreamWriter(hpCon.getOutputStream());
               out.write("This Is a Test");
               out.flush();
               out.close();
          }catch(Exception ex){ex.printStackTrace();}     
// My Servlet  is in package servlets
public class XXServlet extends HttpServlet
    public void service(HttpServletRequest req, HttpServletResponse resp) {
        try {
             ServletInputStream sin = req.getInputStream();
             int len = req.getContentLength();
                byte[] input = new byte[len];
                ServletInputStream sin = req.getInputStream();
               int c, count = 0 ;
               while ((c = sin.read(input, count, input.length-count)) != -1) {
                   count +=c;
              sin.close();
              String inString = new String(input);
              System.out.println("Servlet is running ...."+inString);
        } catch (IOException e) {
            try{
                resp.setStatus(HttpServletResponse.SC_BAD_REQUEST);
                resp.getWriter().print(e.getMessage());
                resp.getWriter().close();
            } catch (IOException ioe) {
// web.xml
<servlet>
       <servlet-name>xxservlet</servlet-name>
       <servlet-class>servlets.XXServlet</servlet-class>
    </servlet>
   <servlet-mapping>
    <servlet-name>xxservlet</servlet-name>
    <url-pattern>/xxservlet</url-pattern>
  </servlet-mapping>
}regards
Edited by: the_Orient on Mar 30, 2009 3:16 AM

Answer 1

I have start servlet from brwoser only to test that servlet works fine
A gain what I need
I want to call a servlet from a javs class
URL url = new URL("http://www.mydomain.com/myservlet");
  URLConnection hpCon = url.openConnection();
  hpCon.setDoOutput(true);
  OutputStreamWriter out = new OutputStreamWriter(hpCon.getOutputStream());
  out.write("Hello Woprld");
  out.flush();
  out.close();// Servlet
public void doGet(HttpServletRequest req, HttpServletResponse resp) {
        try {
              String xp =req.getSession().getServletContext().getRealPath("/");
              File f = new File(xp+"/students/info.txt");
              f.createNewFile();
        } catch (IOException e) {
            try{
                resp.setStatus(HttpServletResponse.SC_BAD_REQUEST);
                resp.getWriter().print(e.getMessage());
                resp.getWriter().close();
            } catch (IOException ioe) {
problem file can not be created
    public void doPost(HttpServletRequest req, HttpServletResponse resp)
}I hope that is clear