Question

sslsocket --> javax.net.ssl.SSLException: Unrecognized SSL message, plaintext connection?

Asked by: ikhmer

Hi Xpert,

I trying to connect to server throught sslsocket, but i got the error message "javax.net.ssl.SSLException: Unrecognized SSL message, plaintext connection?"
anyone help me on this problem? Here is my code:

import java.net.*;
import java.io.*;
import java.security.*;
import javax.net.ssl.*;

public class sslTesting {
public static void main(String[] args) {

if (args.length == 0) {
      System.out.println("Usage: java HTTPSClient host");
      return;
}

int port = 4444;
String host = args[0];

try {
      Security.addProvider(new com.sun.net.ssl.internal.ssl.Provider( ));
      SSLSocketFactory factory = (SSLSocketFactory) SSLSocketFactory.getDefault( );
      SSLSocket mysocket = (SSLSocket)factory.createSocket(host, port);
      mysocket.setTcpNoDelay(true);
      mysocket.startHandshake();
                        
      Writer out = new OutputStreamWriter(mysocket.getOutputStream( ),"ASCII");
      out.write("login:name=uname,pass=passwd;\r\n");
      out.write("\r\n");
      out.flush( );            
      // read response
      BufferedReader in = new BufferedReader(
      new InputStreamReader(mysocket.getInputStream( )));
      int c;
      while ((c = in.read( )) != -1) {
            System.out.write(c);
      }
      out.close( );
      in.close( );
      mysocket.close( );
} catch (SSLHandshakeException reason){
                   System.out.println("Handaashake Exception :" +reason.getCause()+ ":" + reason.getMessage());
} catch (IOException e) {
      System.err.println(e);
}
}
}

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Asked On
2006-08-24 at 05:05:20ID21965839
Tags

plaintext

,

unrecognized

,

reason

Topic

Java Programming Language

Participating Experts
2
Points
500
Comments
11

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Answers

 

by: Ajay-SinghPosted on 2006-08-24 at 05:52:21ID: 17380785

This happens when client could not understand the server's response over ssl. Try upgrading jsse.jar to the latest

 

by: YagantappaPosted on 2006-08-24 at 06:00:55ID: 17380852

Are you sure that SSL is configured on the server side? If so check the port to which SSL is configured at the server.

 

by: ikhmerPosted on 2006-08-24 at 13:43:16ID: 17384699

Yesh, the port is correct.., i can connect from vender application to that server, but i am required to build an application for
automate task...,

I use j2se 1.5.. do i need to jsse.jar? as you mention "the client could not understand  the server's response ...". how can we display
what server response?

thanks,

ikhmer

 

by: Ajay-SinghPosted on 2006-08-24 at 19:01:02ID: 17386332

>how can we display what server response?

You can't display SSL data.

 

by: ikhmerPosted on 2006-08-25 at 02:20:50ID: 17387955

Well, any idea.. how can't i solve this problem?

thanks,
iKhmer

 

by: YagantappaPosted on 2006-08-25 at 02:25:24ID: 17387982

 

by: ikhmerPosted on 2006-08-25 at 04:54:14ID: 17388637

Can not solve..,

thanks,

ikhmer

 

by: ikhmerPosted on 2006-08-26 at 05:24:22ID: 17395546

could you guide me more detail about this please?

iKhmer

 

by: Ajay-SinghPosted on 2006-08-27 at 00:22:03ID: 17398478

> Well, any idea.. how can't i solve this problem?
Upgrade jsse library.

20120131-EE-VQP-002

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