Sanjiv,
Your problem is that you have to write before doing the connect.
Moving the connect after the out.close() will fix your problem.
Rob Griffin
Quest Software
E-mail: [EMAIL PROTECTED]
Web site: http://www.quest.com
> -----Original Message-----
> From: A mailing list for discussion about Sun Microsystem's Java Servlet
> API Technology. [mailto:[EMAIL PROTECTED]]On Behalf Of
> Sanjiv Arun Sahayam
> Sent: Monday, 7 February 2000 21:48
> To: [EMAIL PROTECTED]
> Subject: small problem with applet servlet communication
>
>
> Hi all,
>
> I am having some trouble sending binary data to a servlet from an
> applet/application.
>
> The following exception is thrown when I try to send the data :
>
>
> java.net.ProtocolException: Can't reset method: already connected
> at
> java.net.HttpURLConnection.setRequestMethod(HttpURLConnection.java:10
> 6)
> at
> sun.net.www.protocol.http.HttpURLConnection.getOutputStream(HttpURLCo
> nnection.java:406)
> at Sender.main(Sender.java:28)
>
>
>
> The code I used is shown below:
>
>
>
> import java.net.*;
> import java.io.*;
>
> public class Sender
> {
>
> public static void main(String args[])
> {
> try
> {
>
> URL url = new URL("http","sanjiv",80,"/servlet/SvltReceiver");
> URLConnection con = url.openConnection();
> con.setDoOutput(true);
> con.setDoInput(false);
> String str = "hello";
>
> ByteArrayOutputStream baos = new ByteArrayOutputStream();
> DataOutputStream dos = new DataOutputStream(baos);
> dos.writeUTF(str);
> dos.close();
>
> byte buffer[] = baos.toByteArray();
> con.setRequestProperty("Content-type",";application/octet-stream");
> con.setRequestProperty("Content-length",""+buffer.length);
> con.connect();
>
> DataOutputStream out = new DataOutputStream(con.getOutputStream());
> // assertion occurs here
> out.write(buffer);
> out.close();
> }
> catch(Exception e)
> {
> e.printStackTrace(System.out);
> }
> }
>
> }
>
>
>
> thanks,
>
> Sanjiv
>
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