Thread: Error in URL connection

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.io.OutputStreamWriter;
import java.io.PrintWriter;
import java.io.UnsupportedEncodingException;
import java.net.HttpURLConnection;
import java.net.MalformedURLException;
import java.net.Proxy;
import java.net.URL;
import java.net.URLConnection;
import java.net.URLEncoder;

/**
*
* @author sreenath
*/
public class Way2SMS {
private URLConnection sendSMSConnection;
private String sessionCookie;
private Proxy proxy;

//Function to support connection through an HTTP Proxy
public void setProxy(String proxyHost,int proxyPort)
{
proxy=new Proxy(Proxy.Type.HTTP,java.net.InetSocketAddress.c reateUnresolved(proxyHost, proxyPort));
}
//Logging in to Way2sms and returning the authentication cookie
//No need to Give the cookie back to sendSMS() but cookie is returned for expanding the flexibility of the code



/*public String loginWay2SMS(String userName,String password)
{
String cookie=null;
URL urlLogin;
String loginContent;
HttpURLConnection loginConnection;
if(userName==null || userName.isEmpty())
{
System.err.println("A Valid User Name must be present!");
System.exit(0);
}
if(password==null || password.isEmpty())
{
System.err.println("A Valid Password must be present!");
System.exit(0);
}
try {
//UTF-8 encoding is the web standard so data must be encoded to UTF-8
userName=URLEncoder.encode(userName, "UTF-8");
password=URLEncoder.encode(password, "UTF-8");
urlLogin=new URL("http://site5.way2sms.com/auth.cl");
if(proxy==null)
{
loginConnection = (HttpURLConnection) urlLogin.openConnection();
}
else
{
loginConnection = (HttpURLConnection) urlLogin.openConnection(proxy);
}

loginContent="username=" + userName + "&password=" + password;
//Faking that we are from a valid client
loginConnection.setDoOutput(true);
loginConnection.setRequestProperty("User-Agent","Mozilla/5.0 (Windows; U; Windows NT 6.0; en-US; rv:1.9.0.5) Gecko/2008120122 Firefox/3.0.5");
loginConnection.setRequestProperty("Content-Length", String.valueOf(loginContent.length()));
loginConnection.setRequestProperty("Content-Type","application/x-www-form-urlencoded");
loginConnection.setRequestProperty("Accept", "*/*");
loginConnection.setRequestProperty("Referer", "http://site5.way2sms.com//entry.jsp");
loginConnection.setRequestMethod("POST");
loginConnection.setInstanceFollowRedirects(false);
//Writing the Content to the site
PrintWriter printWriter = new PrintWriter(new OutputStreamWriter(loginConnection.getOutputStream ()), true);
printWriter.print(loginContent);
printWriter.flush();
printWriter.close();
//Reading the cookie
cookie = loginConnection.getHeaderField("Set-Cookie");


} catch (MalformedURLException ex) {
System.err.println("Login URL Error");
System.exit(0);
} catch (UnsupportedEncodingException ex) {
System.err.println("Error in encoding Username or Password");
System.exit(0);
}catch (IOException ex) {
System.err.println("Can not connect to Login URL");
System.exit(0);
}
if(cookie==null || cookie.isEmpty())
{
System.err.println("Some error occured...Try again in a few seconds..If still problem exists check your username and password");
}
sessionCookie=cookie;
return cookie;

}*/



public void sendSMS(String phoneNumber,String message,String action)
{

if(phoneNumber==null || phoneNumber.isEmpty())
{
System.err.println("Enter A Valid Phone Number");
System.exit(0);
}
else
{
try
{

long testLong=Long.valueOf(phoneNumber);
}catch(NumberFormatException ex)
{
System.err.println("Invalid Phone Number");
System.exit(0);
}


}

if(message==null || message.isEmpty())
{
System.err.println("Enter A Valid Phone Number");
System.exit(0);
}
else if(message.length()>140)
{
System.err.println("Message should be less than 140 characters");
}
if(action==null || action.isEmpty())
{
System.err.println("Enter Valid Action to send Message");
System.exit(0);
}

URL sendURL;
HttpURLConnection sendConnection;
String sendContent;
try {
message=URLEncoder.encode(message, "UTF-8");
sendURL=new URL("http://site5.way2sms.com/FirstServletsms?custid=");
if(proxy==null)
{
sendConnection = (HttpURLConnection) sendURL.openConnection();
}
else
{
sendConnection = (HttpURLConnection) sendURL.openConnection(proxy);
}
sendContent="custid=undefined&HiddenAction=instant sms&Action="+action+"&login=&pass=&MobNo="+ phoneNumber+ "&textArea="+message;
sendConnection.setDoOutput(true);
sendConnection.setRequestProperty("User-Agent","Mozilla/5.0 (Windows; U; Windows NT 6.0; en-US; rv:1.9.0.5) Gecko/2008120122 Firefox/3.0.5");
sendConnection.setRequestProperty("Content-Length", String.valueOf(sendContent.getBytes().length));
sendConnection.setRequestProperty("Content-Type","application/x-www-form-urlencoded");
sendConnection.setRequestProperty("Accept", "*/*");
sendConnection.setRequestProperty("Cookie", sessionCookie);
sendConnection.setRequestMethod("POST");
sendConnection.setInstanceFollowRedirects(false);

PrintWriter printWriter = new PrintWriter(new OutputStreamWriter(sendConnection.getOutputStream( )),true);
printWriter.print(sendContent);
printWriter.flush();
printWriter.close();
//Reading the returned web page to analyse whether the operation was sucessfull
BufferedReader bufferedReader = new BufferedReader(new InputStreamReader(sendConnection.getInputStream()) );
StringBuilder SendResult=new StringBuilder();
String line;
while ((line=bufferedReader.readLine()) != null)
{
SendResult.append(line);
SendResult.append('\n');
//Message has been submitted successfully
}
if(SendResult.toString().contains("Message has been submitted successfully"))
{
System.out.println("Message sent to "+phoneNumber+" successfully.");
}
else
{
System.err.println("Message could not send to "+phoneNumber+". Also check login credentials");
}
bufferedReader.close();

}catch (UnsupportedEncodingException ex) {
System.err.println("Message content encoding error");
System.exit(0);
}catch (MalformedURLException ex) {
System.err.println("Sending URL Error");
System.exit(0);
}catch (IOException ex) {
System.err.println("Sending URL Connection Error");
System.exit(0);
}


}
public void logoutWay2SMS()
{
try {
HttpURLConnection logoutConnection;
URL logoutURL;
logoutURL = new URL("http://site5.way2sms.com/jsp/logout.jsp");
if(proxy==null)
{
logoutConnection = (HttpURLConnection) logoutURL.openConnection();
}
else
{
logoutConnection = (HttpURLConnection) logoutURL.openConnection(proxy);
}

logoutConnection.setRequestProperty("User-Agent","Mozilla/5.0 (Windows; U; Windows NT 6.0; en-US; rv:1.9.0.5) Gecko/2008120122 Firefox/3.0.5");
logoutConnection.setRequestProperty("Accept", "*/*");
logoutConnection.setRequestProperty("Cookie", sessionCookie);
logoutConnection.setRequestMethod("GET");
logoutConnection.setInstanceFollowRedirects(false) ;
BufferedReader bufferedReader = new BufferedReader(new InputStreamReader(logoutConnection.getInputStream( )));
while ((bufferedReader.readLine()) != null);
bufferedReader.close();
} catch (MalformedURLException ex) {
System.err.println("Logout URL Error");
System.exit(0);
}catch (IOException ex) {
System.err.println("Logout URL Connection Error");
System.exit(0);
}
}
Way2SMS()
{
proxy=null;
sendSMSConnection=null;
}
public static void main(String args[])
{
final String USERNAME="";//REQUIRED
final String PASSWORD="";//REQUIRED
final String ACTION="";//REQUIRED : In order to understand ACTION value please read the blog
Way2SMS sms=new Way2SMS();
//HTTP PROXY
//sms.setProxy("10.1.1.1",8080); //REQUIRED ONLY IF CONNECTING THROUGH A PROXY

StringBuilder phoneNumber= new StringBuilder();
StringBuilder message=new StringBuilder();
if(args.length>0)
{
if(args[0].toLowerCase().compareTo("phone")==0)
{
int i=1;
while(args[i].toLowerCase().compareTo("message")!=0)
{
phoneNumber.append(args[i]);
phoneNumber.append(';');
i++;
}
for(i=i+1;i<args.length;i++)
{
message.append(args[i]);
message.append(' ');
}
}
else
{
System.out.println("USAGE : Way2SMS phone <phonenumber1> <phonenumber2> ... message <message>");
System.exit(0);
}
}
else
{
System.out.println("USAGE : Way2SMS phone <phonenumber1> <phonenumber2> ... message <message>");
System.exit(0);
}



String cookie=sms.loginWay2SMS(USERNAME,PASSWORD);
String textMessage=message.toString();
String strPhoneNumber=phoneNumber.toString();
String arrPhoneNUmber[]=strPhoneNumber.split(";");
for(int i=0;i<arrPhoneNUmber.length;i++)
{

sms.sendSMS(arrPhoneNUmber[i], textMessage, ACTION);
}

sms.logoutWay2SMS();
}
}

You forgot to post the full text of the error message.
Also please Edit your post and wrap your code with
[code=java]<YOUR CODE HERE>[/code] to get highlighting