Applet-servlet java.io.StreamCorruptedException

Per Hubinette Tue, 14 Dec 1999 01:34:26 -0800

I have had the same problem for a week now. I have a applet communicating with a servlet.

I can write a object to the servlet but when I try to read back a object to the applet I get an error.

The error occures when I try to make the inputstream from the servlet to an objectinputstream.

Please help

/Pelle Hubinette

Error:

java.io.StreamCorruptedException: Caught EOFException while reading the stream header

at java.io.ObjectInputStream.readStreamHeader(Unknown Source)

at java.io.ObjectInputStream.<init>(Unknown Source)

at Appe$Appeproxyservlet.skickastrang(Appe.java:71)

at Appe.init(Appe.java:38)

at sun.applet.AppletPanel.run(Unknown Source)

at java.lang.Thread.run(Unknown Source)

Applet:

import java.io.*;
import java.util.*;
import java.awt.*;
import java.net.*;
import java.applet.*;

public class Appe extends Applet{
public void init()
{
  try {
   URL codebase = this.getCodeBase();
   Appeproxyservlet aserv=new Appeproxyservlet(servletBase);
   aserv.skickastrang("pelle �r b�st");

  } catch (Exception ex) {
   ex.printStackTrace();
  }
}
class Appeproxyservlet {
  URL servlet;
URL webBase;
ObjectInputStream in;
public Appeproxyservlet(URL web){
  webBase = web;
}
public void skickastrang(String data) throws Exception {
  servlet = new URL(webBase, "servlet/AppeServlet101");
  URLConnection con = servlet.openConnection();
  con.setDoInput(true);
  con.setDoOutput(true);
  con.setUseCaches(false);
  con.setRequestProperty("Content-Type", "application/x-www-form-urlencoded");
  ObjectOutputStream out = new ObjectOutputStream(con.getOutputStream());
  out.writeObject(data);

  InputStream inp=con.getInputStream(); // this works fine

  in=new ObjectInputStream(inp); // this doesn't work

  String id = (String)in.readObject();

  in.close();
  out.flush();
  out.close();
}
}
}

Servlet:

import java.io.*;
import java.util.*;
import javax.servlet.*;
import javax.servlet.http.*;
public class AppeServlet101 extends HttpServlet
{
public void service(HttpServletRequest req, HttpServletResponse resp)
throws ServletException, IOException
{
  ObjectInputStream in = new ObjectInputStream(req.getInputStream() );
  ObjectOutputStream out = new ObjectOutputStream( resp.getOutputStream() );
  try {
   String st=(String)in.readObject();
   st=st+"PELLE PELLE";
   out.writeObject(st);
   in.close();
   out.close();
  } catch (Exception e) {
      in.close();
      out.close();
      e.printStackTrace(); }
}
}

Applet-servlet java.io.StreamCorruptedException

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